CN112387237A - Automatic preparation device of composite phase-change material and control method thereof - Google Patents
Automatic preparation device of composite phase-change material and control method thereof Download PDFInfo
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- CN112387237A CN112387237A CN202011303004.9A CN202011303004A CN112387237A CN 112387237 A CN112387237 A CN 112387237A CN 202011303004 A CN202011303004 A CN 202011303004A CN 112387237 A CN112387237 A CN 112387237A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/0073—Degasification of liquids by a method not covered by groups B01D19/0005 - B01D19/0042
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/02—Foam dispersion or prevention
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/0013—Controlling the temperature of the process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
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- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/06—Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice versa
- C09K5/063—Materials absorbing or liberating heat during crystallisation; Heat storage materials
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- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
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Abstract
The invention discloses an automatic preparation device of a composite phase-change material and a control method thereof, wherein the automatic preparation device comprises a reaction furnace, a heat-insulating layer, a heating device, a stirring device, an ultrasonic generator, a vacuum pump, an air compressor and a control panel; the stirring device and the heating device are positioned inside the tank body, and the heat-insulating layer is positioned outside the tank body; the vacuum pump and the ultrasonic generator are arranged to discharge small bubbles in reactants, the air compressor is arranged to increase the pressure in the reaction to discharge the composite phase change material with high viscosity, and the temperature sensing bulb is arranged to control when the heating is stopped. The invention utilizes the control panel to control the orderly operation of each component, does not need manual intervention in the whole process, achieves the aim of automatically preparing the composite phase-change material, and can also utilize data fed back by the flowmeter to output specific parameters for filling the composite phase-change material.
Description
Technical Field
The invention relates to a preparation device and a preparation method of a composite phase-change material, and belongs to the technical field of phase-change energy storage.
Background
The phase change material is a substance which changes the state of a substance under the condition of constant temperature and can provide latent heat. The process of changing physical properties is called a phase change process, and in this case, the phase change material absorbs or releases a large amount of latent heat. However, the conventional phase change material has a problem of low thermal conductivity. At this time, the composite phase-change material is produced.
The composite phase change material is formed by adding a heat conduction filler in the traditional phase change material to increase the heat conduction coefficient of the original phase change material, and the newly generated material becomes the composite phase change material.
Early composite phase change material preparation devices simply heated phase change materials and heat-conducting fillers and poured into energy storage devices, and the amount of composite phase change materials filled into the energy storage devices cannot be known. And a large amount of bubbles exist in the prepared composite phase-change material, the existing preparation device of the composite phase-change material is added with the function of removing bubbles by ultrasonic waves, but the existing equipment is operated manually.
Disclosure of Invention
Aiming at the defects of the existing equipment, the invention aims to provide an automatic preparation device of a composite phase-change material and a control method thereof.
In order to achieve the purpose, the invention provides a composite phase-change material preparation device, which comprises a reaction furnace, a heat insulation layer, a heating device, a stirring device, an ultrasonic generator and a control panel, wherein the reaction furnace is arranged on the bottom of the reaction furnace; the stirring device and the heating device are positioned inside the reaction furnace, and the heat insulation layer is positioned outside the reaction furnace.
The vacuum pump and the air compressor are connected with the reaction furnace through pipes.
The control panel is electrically connected with a vacuum pump valve, a feeding valve, a pressure release valve, a temperature sensing bulb, a flow meter, a discharging valve, an air compressor valve, the ultrasonic generator, the stirring device, the heating device, the vacuum pump and the air compressor.
Further, the control panel controls the opening and closing of the vacuum pump valve, the feeding valve, the pressure release valve, the discharging valve and the air compressor valve.
Further, the control panel controls the start and stop of the ultrasonic generator, the stirring device, the heating device, the vacuum pump and the air compressor.
Further, the control panel collects temperature parameters inside the reaction furnace through the temperature sensing bulb; the control panel collects the flow parameters of the composite phase change material flowing out through the flowmeter.
Further, the feed inlet is arranged at the top of the reaction furnace, and the feed valve is arranged between the feed inlet and the reaction furnace.
Further, a cover above the reaction furnace is movably connected with the main body of the reaction furnace, the cover is opened when feeding is needed, and the cover is closed after feeding is finished.
Furthermore, a discharge pipe is arranged at the lower part of the reaction furnace and used for discharging the composite phase change material, and the flow meter and the discharge valve are arranged on the discharge pipe.
Further, the flow meter is arranged between the reaction furnace and the discharge valve.
Further, the control panel is fixedly connected to the reaction furnace.
The invention also provides a control method of the composite phase-change material preparation device, which comprises the following steps:
step 101, starting to set parameters on the control panel;
step 102, opening the feeding valve, adding a phase change material and a heat conduction filler, and closing the feeding valve;
step 103, opening a valve of the vacuum pump, opening the air compressor and starting to vacuumize;
step 104, starting the stirring device, starting the heating device, starting the ultrasonic generator, starting the temperature detection function of the temperature sensing bulb, feeding back a temperature parameter to the control panel in real time, and stopping heating when the internal temperature T > of the reaction furnace is equal to the phase change temperature of the composite material plus 15 ℃;
step 105, turning off the ultrasonic generator, stopping the stirring device, turning off the vacuum pump, stopping vacuumizing, and turning off a valve of the vacuum pump;
step 106, opening a valve of the air compressor, starting the air compressor, and starting to pressurize the interior of the reaction furnace; opening the discharge valve, discharging the composite phase change material by using high pressure in the reaction furnace, and filling the composite phase change material into an energy storage device or a power battery;
step 107, after the filling is finished, closing the discharging valve, closing the air compressor and closing the air compressor valve; opening the pressure relief valve to relieve pressure, and closing the pressure relief valve after pressure relief is finished; outputting the volume of the phase-change material on a screen of the control panel, and outputting energy stored in an energy storage device or a power battery on the screen of the control panel; and returning to the beginning after the execution is finished.
The invention has the following beneficial effects:
the reaction furnace of the invention adopts heat preservation measures, so that the heat loss is less, and the reaction furnace is more environment-friendly and energy-saving. Secondly, the composite phase-change material after reaction is difficult to flow out due to high viscosity, but the air compressor is connected with the reaction furnace, so that the composite phase-change material can flow out more easily after internal pressurization. The ultrasonic generator is also arranged on the reaction furnace, so that the composite phase-change material gradually discharges air bubbles in the reaction process, and the prepared composite phase-change material has higher density and better mechanical stability. The invention is also provided with a vacuum pump which is also helpful for discharging bubbles in the reaction process.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention.
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without inventive labor.
Furthermore, the drawings are not to scale of 1:1, and the relative dimensions of the various elements in the drawings are drawn only by way of example and not necessarily to true scale.
FIG. 1 is a schematic view of an apparatus according to a first embodiment;
FIG. 2 is a diagram of a control system of the first embodiment;
FIG. 3 is a schematic view of the apparatus of the second embodiment in an open state;
FIG. 4 is a schematic closing diagram of the apparatus of the second embodiment;
FIG. 5 is a schematic feed diagram of a second embodiment;
description of reference numerals:
1. the device comprises a reaction furnace, 2, a feeding hole, 3, a feeding valve, 4, a pressure release valve, 5, a heat insulation layer, 6, a control panel, 7, an ultrasonic generator, 8, a vacuum pump valve, 9, a stirring device, 10, a temperature sensing bag, 11, a heating device, 12, a flowmeter, 13, a discharging valve, 14, a filling hole, 15, an air compressor valve, 16, a vacuum pump, 17 and an air compressor.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The invention provides a device and a control method capable of automatically preparing a composite phase-change material and outputting filling parameters.
A first embodiment of the invention is explained below in conjunction with fig. 1 and 2;
the upper part of the reaction furnace 1 is provided with a feeding hole 2 for adding phase-change materials and heat-conducting fillers. Between the feed inlet 2 and the reactor 1, a feed valve 3 is provided, which is opened when the feed is required and closed after the feed is completed. A pressure relief valve 4 is further provided at the top of the reaction furnace 1, and the pressure relief valve 4 is used for relieving the high pressure inside the reaction furnace 1. The heat preservation layer 5 is arranged outside the reaction furnace 1 and used for preserving heat of the reaction furnace, and energy waste caused by heat dissipation is avoided. Two pipes are arranged above the reaction furnace 1, wherein the first pipe is used for connecting a vacuum pump, and the second pipe is used for connecting an air compressor. A vacuum pump valve 8 is arranged on a pipe connected with a vacuum pump, and an air compressor valve 15 is arranged on a pipe connected with an air compressor. The reaction furnace 1 is also provided with an ultrasonic generator 7 for emitting ultrasonic waves to enable the composite phase-change material to gradually discharge air bubbles in the reaction process, so that the prepared composite phase-change material has higher density and better mechanical stability. A thermal bulb 7 for detecting the internal temperature of the reaction furnace 1 is further provided inside the reaction furnace 1. A stirring device 9 is also arranged in the reaction furnace and is used for stirring the materials in the reaction furnace 1, so that the reaction speed can be increased, and the reaction is more complete and thorough. A heating device 11 is further disposed inside the reaction furnace 1 to heat the phase change material and the heat conductive filler. A pipe is further provided at the bottom of the reaction furnace 1 for discharging the composite phase change material after the reaction is completed. A flow meter 12 and a discharge valve 13 are arranged in this pipe. The flow meter 12 is used to detect the volume of composite phase change material flowing out and feed it back to the control panel 6 in real time. The discharge valve 13 is used for controlling whether the composite phase-change material flows out or not. The end of the tube is a fill port 14.
A control panel 6 is arranged in front of the reaction furnace 1, and the control panel 6 is electrically connected with a vacuum pump valve 8, a feeding valve 3, a pressure release valve 4, an ultrasonic generator 7, a stirring device 9, a temperature sensing bulb 10, a heating device 11, a flow meter 12, a discharge valve 13, an air compressor valve 15, a vacuum pump 16 and an air compressor 17. The control panel 6 is used for controlling the opening and closing of each valve and controlling the starting and stopping of the ultrasonic generator 7, the heating device 11, the stirring device 9, the vacuum pump 16 and the air compressor 17. Is used to collect the temperature signal of the thermal bulb 10 to determine when to stop heating.
The operation of the apparatus will be described in detail below.
At the beginning, all valves are in a closed state, and various parameters including, but not limited to, the selection of the type of phase change material, the type of heat conductive filler, the feeding percentage, the phase change temperature, etc. are set on the control panel 6, step 101. The physical parameters of the respective common phase change materials are written in the control panel 6 in advance.
Step 102, opening the feeding valve 3, adding the phase change material and the heat conducting filler, and closing the feeding valve 3.
And 103, opening the vacuum pump valve 8, opening the air compressor 17, and starting to vacuumize.
And step 104, starting the stirring device 9, starting the heating device 11, starting the ultrasonic generator 7, discharging bubbles in the reactant, starting the temperature detection function of the temperature sensing bulb 10, feeding back the temperature parameter to the control panel 6 in real time, and stopping heating when the internal temperature T1> of the reaction furnace is equal to the phase change temperature of the composite material plus 15 ℃.
And 105, closing the ultrasonic generator 7, stopping the stirring device 9, closing the vacuum pump 16, stopping vacuumizing, and closing the vacuum pump valve 8.
And step 106, opening the air compressor valve 15, starting the air compressor 17, and starting to pressurize the inside of the reaction furnace. And opening the discharge valve 13, discharging the composite phase change material by using high pressure in the reaction furnace, and filling the composite phase change material into the energy storage device or the power battery.
Step 107, after filling, closing the discharge valve 13, closing the air compressor 17 and closing the air compressor valve 15; opening the pressure relief valve 4 to relieve pressure, and closing the pressure relief valve 4 after pressure relief is finished; outputting the volume of the phase change material on the screen of the control panel 6 according to the data fed back to the control panel 6 by the flow meter 12, and outputting the energy stored in the energy storage device or the power battery as a whole on the screen of the control panel 6 according to the volume and the physical quantities of the various phase change materials stored in the control panel in advance; and returning to the beginning after the execution is finished.
A second embodiment of the invention is explained below in conjunction with fig. 3, 4 and 5;
the feed port 2 and the feed valve 3 in the first embodiment are eliminated and the reactor is changed to a mode in which the upper lid is opened, as shown in fig. 4. The upper cover of the reaction furnace 1 is opened when the feeding is needed, and the upper cover is closed after the feeding is finished.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A composite phase-change material preparation device is characterized by comprising a reaction furnace, a heat insulation layer, a heating device, a stirring device, an ultrasonic generator and a control panel; the stirring device and the heating device are positioned inside the reaction furnace, and the heat-insulating layer is positioned outside the reaction furnace;
the vacuum pump and the air compressor are connected with the reaction furnace through pipes;
the control panel is electrically connected with a vacuum pump valve, a feeding valve, a pressure release valve, a temperature sensing bulb, a flow meter, a discharging valve, an air compressor valve, the ultrasonic generator, the stirring device, the heating device, the vacuum pump and the air compressor.
2. The apparatus of claim 1, wherein the control panel controls the vacuum pump valve, the feeding valve, the pressure relief valve, the discharging valve, and the air compressor valve to open and close.
3. The apparatus of claim 2, wherein the control panel controls the ultrasonic generator, the stirring device, the heating device, the vacuum pump and the air compressor to start and stop.
4. The apparatus of claim 3, wherein the control panel collects temperature parameters inside the reaction furnace through the thermal bulb; the control panel collects the flow parameters of the composite phase change material flowing out through the flowmeter.
5. The apparatus of claim 1, wherein the feeding port is disposed at the top of the reaction furnace, and the feeding valve is disposed between the feeding port and the reaction furnace.
6. The apparatus of claim 1, wherein a cover is movably connected to the main body of the reaction furnace, and the cover is opened when feeding is required and closed after feeding is completed.
7. The apparatus of claim 1, wherein a discharge pipe is disposed at a lower portion of the reaction furnace for discharging the composite phase-change material, and the flow meter and the discharge valve are disposed on the discharge pipe.
8. The apparatus of claim 7, wherein the flow meter is disposed between the reaction furnace and the discharge valve.
9. The apparatus of claim 1, wherein the control panel is fixedly connected to the reaction furnace.
10. A control method of a composite phase-change material preparation device is characterized by comprising the following steps:
step 101, starting to set parameters on the control panel;
step 102, opening the feeding valve, adding a phase change material and a heat conduction filler, and closing the feeding valve;
step 103, opening a valve of the vacuum pump, opening the air compressor and starting to vacuumize;
step 104, starting the stirring device, starting the heating device, starting the ultrasonic generator, starting the temperature detection function of the temperature sensing bulb, feeding back a temperature parameter to the control panel in real time, and stopping heating when the internal temperature T > of the reaction furnace is equal to the phase change temperature of the composite material plus 15 ℃;
step 105, turning off the ultrasonic generator, stopping the stirring device, turning off the vacuum pump, stopping vacuumizing, and turning off a valve of the vacuum pump;
step 106, opening a valve of the air compressor, starting the air compressor, and starting to pressurize the interior of the reaction furnace; opening the discharge valve, discharging the composite phase change material by using high pressure in the reaction furnace, and filling the composite phase change material into an energy storage device or a power battery;
step 107, after the filling is finished, closing the discharging valve, closing the air compressor and closing the air compressor valve; opening the pressure relief valve to relieve pressure, and closing the pressure relief valve after pressure relief is finished; outputting the volume of the phase-change material on a screen of the control panel, and outputting energy stored in an energy storage device or a power battery on the screen of the control panel; and returning to the beginning after the execution is finished.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011303004.9A CN112387237A (en) | 2020-11-19 | 2020-11-19 | Automatic preparation device of composite phase-change material and control method thereof |
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| CN202011303004.9A CN112387237A (en) | 2020-11-19 | 2020-11-19 | Automatic preparation device of composite phase-change material and control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114259951A (en) * | 2021-12-10 | 2022-04-01 | 珠海格力电器股份有限公司 | Self-cleaning phase-change material melting and filling equipment and control method |
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| ROYALHANSON，VIVIANGRAY: "《溶出度试验技术 第3版》", 30 November 2007 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114259951A (en) * | 2021-12-10 | 2022-04-01 | 珠海格力电器股份有限公司 | Self-cleaning phase-change material melting and filling equipment and control method |
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