CN103612833A - Device containing phase change materials and used for heat insulation of solution in open system - Google Patents
Device containing phase change materials and used for heat insulation of solution in open system Download PDFInfo
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- CN103612833A CN103612833A CN201310650142.8A CN201310650142A CN103612833A CN 103612833 A CN103612833 A CN 103612833A CN 201310650142 A CN201310650142 A CN 201310650142A CN 103612833 A CN103612833 A CN 103612833A
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Abstract
The invention relates to a device containing phase change materials and used for heat insulation of solution in an open system. The device is arranged on the surface of liquid of the open system. A hollow casing is filled with the phase change materials and made of stainless steel or high-temperature resistance plastics and is in a cylinder or sphere shape. By enabling the device filled with the plenty of phase change materials to cover the surface of the liquid of the open system, a contact area between the liquid and outside air is reduced, and great phase change heat discharged when the phase change materials in the device perform phase change can greatly slow down temperature changes of the liquid in the system. The heat insulation temperature range and time can be regulated by changing kinds and the quantity of the phase change materials. The heat insulation of the liquid in the system which cannot be sealed in industries, such as heat insulation of plating solution in a plating bath in an electroplating industry, can be achieved through the device, no interference is caused to electroplating operation, the temperature in operation can also be maintained, and energy consumption is greatly reduced; and the device is simple in structure, low in preparation cost and convenient to use and has an extremely large industrial application value.
Description
Technical field
The present invention relates to a kind of cannot sealing and have the attemperator of electroplate liquid in the attemperator, particularly a kind of electroplating industry of liquid in the equipment of heat preservation energy-saving demand.
Background technology
In electroplating industry, a lot of plating all must be carried out under specified temp, and if chromium plating range of temperatures is at 53-55 ℃, nickel plating range of temperatures is at 85-90 ℃, and electroplate liquid is maintained to specific temperature needs specific attemperator.Now main heat preserving method is to use heat pump to heat electroplate liquid, but because plating bath belongs to typical open system, the interchange of heat of plating solution and air is violent, and a large amount of heats is taken away in the volatilization of plating solution, and energy consumption is large, and efficiency of utilization is low.And a large amount of volatilizations of plating solution make to electroplate working environment and become very severe.
Phase-change material is widely used in field of thermal insulation, due to the huge latent heat of phase change that phase-change material has, phase-change material is filled to particular space or mix and apply with other materials, can play good heat insulation effect.As the application number patent that is 200820092893.7,201210033691.6,201220625291.X, by phase-change material being filled in to specific interlayer, to play the effect of insulation; Application number is 200810039459.7 patent, by phase-change material and the building materials that mixes, to play the effect of insulation.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of device for the insulation of uncovered system solution containing phase-change material, and this apparatus structure is simple, and productive costs is low, can be widely used in open-top receptacle and has in the solution system of insulation demand.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of device for the insulation of uncovered system solution containing phase-change material, be located at the liquid surface of open-top receptacle, and comprise hollow casing, in hollow casing, be filled with phase-change material.
Hollow casing is made by corrosion-resistant steel or high-temperature resistance plastice, is shaped as cylinder or spherical, and hollow casing is detachable shell.
Phase-change material is by palmitic acid, stearic acid, and refined paraffin wax organic phase change material forms.
The holding temperature scope of phase-change material is at 40-80 degree Celsius,
.
Beneficial effect of the present invention:
1. by using this device, can effectively reduce the area of contact of solution and air, effectively reduce the heat transmission of solution and air.
2. by selecting suitable phase-change material, the range of temperatures that solution need to be incubated is overlapped with the phase transition temperature of phase-change material, a large amount of latent heat that phase transformation by phase-change material has, can weaken the fluctuation of solution in this range of temperatures, guarantee the temperature stabilization of solution.
3. the material category of the phase transformation of filling by change and quality, can, according to production requirement, change solution holding temperature scope and time flexibly.
Accompanying drawing explanation
Fig. 1 is apparatus structure schematic diagram of the present invention;
Fig. 2 is solution temperature curve over time in embodiment mono-in the present invention;
Fig. 3 is solution temperature curve over time in embodiment bis-in the present invention;
Fig. 4 is solution temperature curve over time in embodiment tri-in the present invention;
Fig. 5 is solution temperature curve over time in embodiment tetra-in the present invention.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment are only not used in and limit the scope of the invention for explanation.In addition should be understood that those skilled in the art can make various changes or modifications the present invention after having read the content that the present invention tells about, these equivalent form of values fall within the application's appended claims limited range equally.
As shown in Figure 1, the device for uncovered system solution insulation containing phase-change material of the present invention, device is comprised of hollow casing 1 and phase change material inside 2 two parts, is located at the liquid surface of open-top receptacle.
(1) stainless steel or resistant to elevated temperatures plastic material are made georama or cylinder blanket, hollow casing 1 is detachable assembles the rear good airproof performance of phase-change material 2 to fill phase-change material at hollow parts, and hollow casing 1 can float on liquid level.
(2) phase-change material 2 is mainly paraffin class and fatty acid.The advantages such as organic material has stable performance, and phase transition temperature is lower, and latent heat of phase change is large.
Phase change material inside 2 is mainly organic material, is specifically mainly paraffin and fatty acid.Concrete kind is as follows:
Refined paraffin wax kind is as follows:
| Paraffin model | 48# | 50# | 52# | 54# | 56# | 58# | 60# |
| Fusing point ℃ | 48-50 | 50-52 | 52-54 | 54-56 | 56-58 | 58-60 | 60-62 |
Refined paraffin wax is compound, and melting enthalpy is about 168J/g, and density is about 0.9g/cm
3.
The theoretical temperature retention time of apparatus of the present invention can be calculated by following formula:
While undergoing phase transition due to phase-change material, heat release continues the regular hour (kind of time span and phase-change material and the kind of external solution and temperature correlation), so can not keep the constant of solution temperature during practical operation, but can effectively slow down the decline of solution temperature in phase transition temperature scope left and right.
By the attemperator of having filled in a large number phase-transition heat-preserving material being covered in to the liquid surface of open-top receptacle, reduce the area of contact of liquid and outside air, the huge heat of transformation of emitting during with phase-change material phase transformation in timer, the significantly temperature traverse of liquid in relieving system.By changing the kind of phase transformation packing material and range of temperatures and the time that quantity can regulate insulation.This heat insulation energy-saving device can solve the insulation of liquid in the industrial system that cannot seal, and for example insulation of electroplate liquid in plating bath in electroplating industry neither can produce and disturb electroplating operations, and the temperature in the time of maintaining again operation, significantly reduces energy consumption; And apparatus structure is simple, preparation expense is low, easy to use, has very large industrial application value.
Embodiment mono-:
Take the cylindrical plastic bottle that 10g water is placed in pp material, plastic bottle diameter be 3.5cm, height is 6.5cm, covers tightly bottle cap, makes 32 of said apparatus.4L water is placed in to constant temperature water bath, the device of making is suspended on liquid level, be heated to 80 ℃, close heater switch, record the temperature traverse of trough inner water.The temperature lowering curve of water as shown in Figure 2.
Embodiment bis-:
Take the column type plastic bottle that 10g palmitic acid is placed in pp material, plastic bottle diameter be 3.5cm, height is 6.5cm, covers tightly bottle cap, makes 32 of said apparatus.4L water is placed in to constant temperature water bath, the device of making is suspended on liquid level, be heated to 80 ℃, close heater switch, record the temperature traverse of trough inner water.The temperature lowering curve of water as shown in Figure 3.As shown in Figure 3, at the phase transition temperature scope 62-65 ℃ of palmitic acid, temperature declines and obviously slows down, and the time is 60min, and the water for cooling speed in water bath is 0.05 ℃/min; And do not add in the case study on implementation 1 of phase-change material, in same temperature interval, rate of temperature fall is 0.2 ℃/min.
Embodiment tri-:
Take the column type plastic bottle that 10g stearic acid is placed in pp material, plastic bottle diameter be 3.5cm, height is 6.5cm, covers tightly bottle cap, makes 32 of said apparatus.4L water is placed in to constant temperature water bath, the device of making is suspended on liquid level, be heated to 80 ℃, close heater switch, record the temperature traverse of trough inner water.The temperature lowering curve of water as shown in Figure 4.As shown in Figure 4, at stearic phase transition temperature scope 66-68 ℃, temperature declines and slows down, and the time is 40min, and in water bath, the rate of temperature fall of water is 0.0625 ℃/min; And do not add in the case study on implementation 1 of phase-change material, in same temperature interval, rate of temperature fall is 0.22 ℃/min
Embodiment tetra-:
Take the column type plastic bottle that 10g48# paraffin is placed in pp material, plastic bottle diameter be 3.5cm, height is 6.5cm, covers tightly bottle cap, makes 32 of said apparatus.4L water is placed in to constant temperature water bath, the device of making is suspended on liquid level, be heated to 80 ℃, close heater switch, record the temperature traverse of trough inner water.The temperature lowering curve of water as shown in Figure 5.As shown in Figure 5, at the phase transition temperature scope 48-50 ℃ of 48# paraffin, temperature declines and slows down, and the time is 50min, and in water bath, the rate of temperature fall of water is 0.05 ℃/min; And do not add in the case study on implementation 1 of phase-change material, in same temperature interval, rate of temperature fall is 0.09 ℃/min.
Claims (4)
1. containing the device for uncovered system solution insulation of phase-change material, be located at the liquid surface of open-top receptacle, comprise hollow casing (1), it is characterized in that: in described hollow casing (1), be filled with phase-change material (2).
2. the device for the insulation of uncovered system solution containing phase-change material according to claim 1, it is characterized in that: described hollow casing (1) is made by corrosion-resistant steel or high-temperature resistance plastice, be shaped as cylinder or spherical, hollow casing (1) is detachable shell.
3. the device for the insulation of uncovered system solution containing phase-change material according to claim 1, is characterized in that: described phase-change material (2) is by palmitic acid, stearic acid, and refined paraffin wax organic phase change material forms.
4. according to the device for the insulation of uncovered system solution containing phase-change material described in claim 1 or 3, it is characterized in that: the holding temperature scope of described phase-change material (2) is at 40-80 degree Celsius,
.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310650142.8A CN103612833A (en) | 2013-12-06 | 2013-12-06 | Device containing phase change materials and used for heat insulation of solution in open system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0240960A2 (en) * | 1986-04-08 | 1987-10-14 | Europa Carton Aktiengesellschaft | Thin-walled pallet container for receiving fluid or pourable bulk material |
| CN101038132A (en) * | 2007-04-28 | 2007-09-19 | 杨会龙 | Underground cooling device |
| CN101139030A (en) * | 2007-09-20 | 2008-03-12 | 中国人民解放军徐州空军学院 | Method for controlling evaporating loss of light fuel oil in oil tank |
| JP2008201438A (en) * | 2007-02-19 | 2008-09-04 | Kurabo Ind Ltd | Folding type thermal insulation container |
| CN201334211Y (en) * | 2008-11-27 | 2009-10-28 | 中国人民解放军徐州空军学院 | Evaporation loss control system for light fuel oil in an oil tank |
-
2013
- 2013-12-06 CN CN201310650142.8A patent/CN103612833A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0240960A2 (en) * | 1986-04-08 | 1987-10-14 | Europa Carton Aktiengesellschaft | Thin-walled pallet container for receiving fluid or pourable bulk material |
| JP2008201438A (en) * | 2007-02-19 | 2008-09-04 | Kurabo Ind Ltd | Folding type thermal insulation container |
| CN101038132A (en) * | 2007-04-28 | 2007-09-19 | 杨会龙 | Underground cooling device |
| CN101139030A (en) * | 2007-09-20 | 2008-03-12 | 中国人民解放军徐州空军学院 | Method for controlling evaporating loss of light fuel oil in oil tank |
| CN201334211Y (en) * | 2008-11-27 | 2009-10-28 | 中国人民解放军徐州空军学院 | Evaporation loss control system for light fuel oil in an oil tank |
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Application publication date: 20140305 |