WO2019096017A1

WO2019096017A1 - Mixing device for heat storing material

Info

Publication number: WO2019096017A1
Application number: PCT/CN2018/113885
Authority: WO
Inventors: 曾智勇; 崔小敏; 廖小亮; 周厚国
Original assignee: 深圳市爱能森科技有限公司
Priority date: 2017-11-17
Filing date: 2018-11-05
Publication date: 2019-05-23
Also published as: CN107661717A

Abstract

A mixing device for a heat storing material, comprising: a mixing tank (1) configured to prepare a heat storing material; a mixing mechanism (2) comprising a mixing motor (21), a mixing shaft (22), and multiple mixing blades (23), the mixing blades (23) being disposed at intervals from top to bottom on the mixing shaft (22); a cooling layer (3); an exterior wall covering the mixing tank (1); a water inlet (31) and a water outlet (32) provided at an upper portion of the cooling layer (3); and a control assembly (5) electrically connected to the mixing mechanism (2).

Description

Thermal storage material compounding device

The present application claims the priority of the Chinese Patent Application No. PCT Application No. No. No. No. No. No. No. No. No. No. No. No. No. No. No. No. in.

Technical field

The present disclosure relates to the field of heat storage material cooling technology, for example, to a heat storage material compounding device.

Background technique

The heat storage material energy storage system can effectively increase the stability of renewable energy or industrial waste heat output, while the heating heat storage material has a slower compounding speed and a large heat release during compounding. Before the heating heat storage material enters the heat storage system, it is necessary to carry out the compound cooling and filtration process. In the heating project, the amount of heating and heat storage materials is particularly large, so how to achieve the heating and cooling materials in a short time to complete the compound cooling and filtration becomes a difficult problem in the storage of energy storage materials.

The heating and heat storage materials are mainly artificially compounded, that is, the heat storage materials are stirred by human resources. This type of compounded heat storage material takes a long time to cool before it can be filtered, and is pumped into the hot pool tank after filtration. However, in the specific implementation process, the thermal storage material compounding requires a large amount of manpower and material resources, and requires a relatively large site and a long time of cooling, thereby affecting the compounding efficiency of the heat storage material, thereby delaying the project construction period.

Summary of the invention

The present disclosure provides a heat storage material compounding device, which can solve the problem of slow compounding speed and slow cooling speed in the heat storage material cooling technology.

The utility model relates to a heat storage material compounding device, comprising: a stirring tank, which is arranged to prepare a heat storage material; and a stirring mechanism, the stirring mechanism comprises a stirring motor, a stirring shaft and a plurality of stirring blades, wherein the plurality of stirring blades are on the stirring shaft The upper layer is spaced from the top to the bottom; a cooling layer is coated on the outer wall of the agitating tank, an upper portion of the cooling layer is provided with a water inlet and a water outlet; and a control unit is electrically connected to the stirring mechanism.

DRAWINGS

FIG. 1 is a schematic structural view of a heat storage material compounding device provided by an embodiment.

In the picture:

10. Universal wheel;

1. Stirring tank; 11, feeding port; 12, base; 13, temperature sensor; 14, liquid level sensor; 15, sewage outlet;

2, stirring mechanism; 21, stirring motor; 22, stirring shaft; 23, stirring blade;

3, cooling layer; 31, water inlet; 32, water outlet;

4. Support frame; 41, first support frame; 411, support bar; 42, second support frame; 43, third support frame;

5, control components; 51, controller; 52, display;

6. Feeding mechanism; 61, metering scale; 62, storage bin; 63, feed valve;

7. Inlet mechanism; 71, inlet port; 72, inlet valve;

8, the discharge mechanism; 81, the discharge port; 82, the discharge valve; 83, the filter; 84, the liquid pump.

Detailed ways

As shown in FIG. 1 , the present embodiment provides a heat storage material compounding device, comprising a stirring tank 1 configured to prepare a heat storage material, a stirring mechanism 2, a cooling layer 3 and a control assembly 5, wherein the stirring mechanism 2 is provided In the center of the agitating tank 1, the stirring mechanism 2 includes a stirring motor 21 and a stirring shaft 22, and the stirring shaft 22 is located below the stirring motor 21, and is connected to the stirring motor 21, and the stirring shaft 22 is provided with a plurality of intervals from top to bottom. The agitating blade 23; the cooling layer 3 is coated on the outer wall of the agitating tank 1, and the upper portion of the cooling layer 3 is provided with a water inlet 31 and a water outlet 32; and the control unit 5 is electrically connected to the stirring mechanism 2. The present disclosure makes the compounding speed of the heat storage material greatly improved by using the stirring blade 23 of the stirring mechanism 2 to sufficiently and uniformly mix the heat storage material in the stirring tank 1, and passes through the cooling layer disposed around the outer wall of the stirring tank 1. 3, and the cooling layer 3 is introduced into the circulating water, cooling and cooling the entire agitating tank 1, and the water inlet 31 and the water outlet 32 of the cooling layer 3 are disposed at the upper portion, so that the entire mixing tank 1 can be more fully cooled. Heat, wherein the water inlet 31 can also be disposed at the lower portion of the cooling layer 3, so that the water flow turbulence characteristic of the water inlet 31 preferentially promotes the cooling effect of the lower portion of the stirring tank 1, thereby solving the slow compounding speed in the heat storage material cooling technology and The problem of slow cooling.

In an embodiment, the heat storage material compounding device further includes a support frame 4, the support frame 4 includes a first support frame 41, a second support frame 42 and a third support frame 43. The bottom of the stirring tank 1 is provided with a base 12, and the stirring is performed. The can 1 is disposed on the first support frame 41 through the base 12, and the universal support 10 is disposed at the bottom of the first support frame 41. The support frame 4 can be an integral molding mechanism, which is supported by carbon steel and has good rigidity and strength. The stirring tank 1 is supported by stainless steel and can be used for making one ton of heat storage material. To ensure the smoothness of the stirring tank 1, a base 12 is arranged at the bottom of the stirring tank 1, and the base 12 can be welded to the first supporting frame 41, or The first support frame 41 is screwed, and the base 12 is made of carbon steel. The shape of the base 12 is adapted to the shape of the bottom of the agitating tank 1, so that the agitating tank 1 can be better supported. A plurality of support bars 411 extend from the bottom of the first support frame 41. The end of the support bar 411 is provided with a universal wheel 10. Through the universal wheel 10, the entire heat storage material compounding device can be freely moved, which is more convenient for engineering. application.

In an embodiment, the control component 5 includes a controller 51 and a display 52. The controller 51 is electrically connected to the stirring mechanism 2 and the display 52, respectively. The second support frame 42 is provided with a plurality of fixed card slots (not shown). The control unit 5 is provided with a plurality of buckles (not shown) adapted to the card slot, so that the control assembly 5 is movably disposed on the second support frame 42. The controller 51 can transmit the operating condition parameters of the agitating tank 1 to the display 52, such as the temperature and liquid level inside the agitating tank 1, the inflow rate of the inlet mechanism 7, the mass of each component of the feeding mechanism 6, and the like. In an embodiment, a third support frame 43 extends from the top of the second support frame 42 , a first support frame 41 extends from the bottom of the second support frame 42 , and the first support frame 41 and the third support frame 43 . Relative settings. In an embodiment, the third support frame 43 and the second support frame 42 may be screwed together, so that the third support frame 43 can adjust the height of the third support frame 43 on the second support frame 42 according to actual needs; Moreover, the horizontal position of the feeding mechanism 6 on the third supporting frame 43 can be adjusted to facilitate the alignment of the feeding port 11 of the agitating tank 1, so that the feeding mechanism 6 is movably disposed on the third supporting frame 43 and located at The upper portion of the tank 1 is stirred. The above design makes the whole heat storage material compounding device form the integration of feeding, compounding, cooling and discharging, ensuring the stability of the special heat storage material for heating, so that the hot pool can be quickly and safely ( The heat storage material for heating is not shown in the figure, which provides guarantee for the safe, continuous and stable operation of the system.

In an embodiment, the feeding mechanism 6 comprises a metering gauge 61, a storage bin 62 and a feed valve 63. The metering scale 61 is located at the top of the feeding mechanism 6, and the storage bin 62 is located at the lower portion of the metering scale 61 and is fixed to On the third support frame 43, the storage bin 62 is a funnel structure with an upper width and a lower structure, and a feed valve 63 is located at the outlet of the storage bin 62. The heat storage material is made up of a mixture of multiple components. When the heat storage material is compounded, the required quality of each component is manually calculated. When the material is fed, each component is weighed by a weighing scale 61, and then The storage bin 62 is stored, and when the blanking is required, the feed valve 63 at the exit position of the storage bin 62 is opened for feeding. The feeding mechanism 6 may be a manual feeding or an automatic feeding. In an embodiment, the feeding mechanism 6 is an automatic feeding, that is, the feeding mechanism 6 is electrically connected to the control assembly 5, wherein the storage bin 62 is provided with The liquid level sensor (not shown) and the preset liquid level height can monitor the liquid level of the current material in real time. When the actual material liquid level is lower than the preset liquid level, the control component 5 controls the feeding mechanism 6 The material valve 63 is opened to perform feeding; when the actual material level is not lower than the preset liquid level, the control unit 5 controls the feed valve 63 of the feeding mechanism 6 to be closed. For the convenience of feeding, a feed port 11 is provided at the top of the agitation tank 1, and the feed port 11 is disposed opposite to the feed valve 63, so that the components of the heat storage material are more conveniently and accurately entered into the agitation tank 1. The storage bin 62 is arranged in a wide and narrow structure, which is more convenient for the falling and collecting of the components of the heat storage material. The controller 51 is electrically connected to the metering 61 and the feed valve 63, and can control the working condition of the material in real time.

In one embodiment, the top of the agitating tank 1 is provided with a liquid inlet mechanism 7 including an inlet valve 72 and a liquid inlet 71 which are sequentially disposed in the liquid inlet direction, and the inlet port 71 is connected to the agitating tank 1. The agitation tank 1 is provided with a temperature sensor 13 and a level sensor 14, and both the temperature sensor 13 and the level sensor 14 are electrically connected to the control unit 5. When the heat storage material is compounded, water or other liquid is required to be dissolved, and the liquid enters the agitating tank 1 through the liquid inlet mechanism 7, and the liquid inlet valve 72 is electrically connected to the control unit 5, and the water or other liquid can be controlled to enter the stirring in real time. The volume in tank 1. For the sake of safety, the temperature sensor 13 monitors the temperature in the stirring tank 1 in real time to avoid adverse effects caused by excessive temperature when the heat storage material is compounded; at the same time, the liquid level sensor 14 is used to monitor the volume of the liquid entering the stirring tank 1 in real time to ensure storage. The hot material solution is always in the range of the optimum ratio of solute to solvent.

In an embodiment, the bottom of the agitation tank 1 is provided with a discharge mechanism 8 including a discharge port 81, a discharge valve 82, a filter 83 and a liquid pump 84 which are sequentially disposed along the discharge direction, and discharge The port 81 is connected to the agitating tank 1. A drain outlet 15 is also provided at the bottom of the agitating tank 1. After the solution of the heat storage material is successfully compounded and cooled completely, the solution of the heat storage material is discharged to the agitation tank 1 through the discharge port 81, and the discharge valve 82 is electrically connected to the control unit 5, and the control unit 5 is set to control the flow rate of the discharge. As the heat storage material is compounded, some impurities will enter with the solute, which affects the quality of the heat storage material. After the heat storage material passes through the discharge valve 82, a filter 83 is provided, which can filter out the impurities to ensure heat storage. The quality of the material solution in which the filter 83 is filtered using a mesh screen of 3 mm or less. The liquid pump 84 provides power during the discharge of the heat storage material solution. When the heat storage material solution is discharged from the stirring tank 1, some heat storage material solution remains at the bottom of the stirring tank 1, for the convenience of storage, the heat storage material is prevented from corroding the inner wall of the stirring tank 1, and the water is supplied to the liquid inlet mechanism 7 and opened. The drain port 15 provided at the bottom of the tank 1 is stirred to clean the inside of the tank 1.

The present disclosure provides a heat storage material compounding device by using the stirring blade 23 of the stirring mechanism 2 to sufficiently and uniformly mix the heat storage material in the stirring tank 1, so that the compounding speed of the heat storage material is greatly improved; The entire agitating tank 1 is cooled and cooled by introducing circulating water into the cooling layer 3 around the outer wall of the agitating tank 1, and the water inlet 31 and the water outlet 32 of the cooling layer 3 are disposed at the upper portion, so that the entire stirring can be more fully performed. The tank 1 performs cooling heat exchange; the feeding mechanism 6 and the stirring tank are integrated by the support frame 4, which is more convenient for the cooling work of the heat storage material to be compounded; by setting the weighing scale 61, the feeding mechanism 6 can be accurately measured. The quality of each component; by setting the universal wheel 10, it can ensure that the entire compound cooling device can be used immediately and is easy to move; the temperature sensor 13 and the liquid level sensor 14 are set to monitor the temperature and liquid level in the stirring tank 1 in real time. And indicating the speed of the stirring mechanism 2 and the volume of the liquid inlet; by providing the filter 83 at the discharge port 81, the impurities of the stirring tank 1 can be filtered to ensure that the heat storage material for discharging is a high quality material. After 1 through the bottom discharge port 15 is provided to ensure that the heat storage material solution was stirred tank 1 in the interior of the stirred tank drained, and rinsed mixing tank 1, facilitates the cleaning liquid discharge port 15 through the sewage.

Claims

A heat storage material compounding device, comprising:

a stirring tank (1) arranged to prepare a heat storage material;

a stirring mechanism (2), the stirring mechanism includes a stirring motor (21), a stirring shaft (22) and a plurality of stirring blades (23), wherein the plurality of stirring blades (23) are above the stirring shaft (22) Down interval setting;

a cooling layer (3) covering an outer wall of the stirring tank (1), wherein the upper portion of the cooling layer (3) is provided with a water inlet (31) and a water outlet (32);

The control unit (5) is electrically connected to the stirring mechanism (2).
The heat storage material compounding device according to claim 1, further comprising a support frame (4), a base (12), and a universal wheel (10);

The support frame includes a first support frame (41), a second support frame (42) and a third support frame (43), and the first support frame (41) and the second support frame (42) Connected at one end, the third support frame (43) is connected to the second end of the second support frame (42), and the base (12) is disposed at the bottom of the stirring tank (1), the stirring The can (1) is disposed on the first support frame (41) through the base (12), and the universal wheel (10) is disposed at a bottom of the first support frame (41).
The heat storage material compounding device according to claim 2, wherein said control unit (5) comprises a controller (51) and a display (52), said controller (51) and said stirring mechanism (2) And electrically connected to the display (52), the control assembly (5) being movably disposed on the second support frame (42).
A heat storage material compounding device according to claim 2, further comprising a feeding mechanism (6) located at an upper portion of said stirring tank (1), said feeding mechanism (6) being movably disposed at said On the third support frame (43).
The heat storage material compounding device according to claim 4, wherein said feeding mechanism (6) comprises a weighing scale (61), a storage bin (62) and a feed valve (63), said storage bin (62) Located in the lower portion of the gauge (61), the storage bin (62) is a funnel structure, and the feed valve (63) is located at the outlet of the storage bin (62).
The heat storage material compounding device according to claim 5, wherein a top of the stirring tank (1) is provided with a feed port (11), the feed port (11) and the feed valve (63) ) Relative settings.
The heat storage material compounding device according to any one of claims 2 to 6, further comprising a liquid inlet mechanism (7), the liquid inlet mechanism (7) being disposed at the top of the stirring tank (1) The liquid inlet mechanism (7) includes an inlet valve (72) and a liquid inlet (71) which are sequentially disposed in the liquid inlet direction.
The heat storage material compounding device according to any one of claims 2 to 6, wherein the stirring tank (1) further comprises a temperature sensor (13) and a liquid level sensor (14), the temperature sensor (13) And the liquid level sensor (14) are both electrically connected to the control assembly (5).
The heat storage material compounding device according to any one of claims 2 to 6, further comprising a discharging mechanism (8) disposed at a bottom of the stirring tank (1) The discharge mechanism (8) includes a discharge port (81), a discharge valve (82), a filter (83), and a liquid pump (84) which are sequentially disposed in the discharge direction.
The heat storage material compounding device according to claim 9, wherein a bottom of the stirring tank (1) is further provided with a drain port (15).