Device for producing distilled water using waste heat

Abstract

The present invention provides a device for producing distilled water by utilizing waste heat, wherein: a plurality of water source layers and a plurality of condensation layers are alternately nested and arranged on the first side of a bottom plate, the outermost layer and the innermost layer are both condensation layers, and the top of the water source layer is connected with the top of the condensation layer adjacent to the outside thereof; a heat exchange module is arranged on the bottom plate in the internal area surrounded by the innermost layer, and the internal area is connected with the top of the innermost layer; a spray device is arranged above the heat exchange module; the water source layer adjacent to the innermost layer is connected to the spray device through a spray booster pump arranged on the second side of the bottom plate; two adjacent condensation layers and two adjacent water source layers are respectively connected through pipes and water level control valves on the second side of the bottom plate; the water source layer adjacent to the outermost layer is provided with a water inlet on the bottom plate; the condensation layer is provided with a collection port on the bottom plate; the heat source inlet and the heat source outlet of the heat exchange module pass through the bottom plate and are connected to the outside, thereby realizing a technical solution for producing distilled water by utilizing waste heat that is energy-saving, carbon-reducing and environmentally friendly.

Description

Technical Field

[0001] The present invention relates to the field of energy conservation, carbon reduction and environmental protection, and in particular to a device for producing distilled water by utilizing waste heat. Background Art

[0002] Energy conservation and carbon reduction are challenges that must be addressed in the current process of social development. Currently, in thermal power plants and other scenarios, high-temperature steam from existing generators is typically cooled through cooling tower systems, with the condensed water recovered and reused. However, most of the heat in existing cooling tower systems is discharged into the atmosphere. In some areas, some high-temperature steam is transported through heat pipes to residential areas for heating or to textile or printing and dyeing factories that require high-temperature steam. However, overall, the current waste heat utilization rate is relatively low, resulting in significant heat energy waste. Furthermore, the heat energy discharged into the air can have a negative impact on the atmospheric environment.

[0003] Therefore, it is necessary to provide a technical solution that can effectively improve the utilization rate of waste heat. Summary of the Invention

[0004] In order to solve the above technical problems, the present invention provides a device for producing distilled water using waste heat.

[0005] The present invention provides a device for producing distilled water using waste heat, comprising: a bottom plate, a water source layer, a condensation layer, a heat exchange module, and a spray device;

[0006] A plurality of the water source layers and a plurality of the condensation layers are nested and arranged on the first side of the bottom plate in an alternating manner, the outermost layer and the innermost layer are both the condensation layers, and the top of the water source layer is connected to the top of the condensation layer adjacent to the outer side thereof;

[0007] The heat exchange module is arranged on the bottom plate at the location of the inner area surrounded by the innermost condensation layer, and the inner area is communicated with the top of the innermost condensation layer;

[0008] The spray device is arranged above the heat exchange module in the inner area;

[0009] The water source layer adjacent to the innermost condensation layer is connected to the spray device via a spray booster pump provided on the second side of the bottom plate;

[0010] Two adjacent condensation layers are connected to each other via a pipe on the second side of the bottom plate, and two adjacent water source layers are connected to each other via a water level control valve on the second side of the bottom plate;

[0011] The water source layer adjacent to the outermost condensation layer is provided with a water inlet on the bottom plate;

[0012] The condensation layer is provided with a collecting port on the bottom plate;

[0013] The heat source inlet and the heat source outlet of the heat exchange module pass through the bottom plate and are connected to the outside;

[0014] The heat emitted by the heat exchange module is transferred layer by layer from the internal area to the external condensation layer and the water source layer. The water required in the water source layer is input through the water inlet and then transported from the outermost water source layer to the inner water source layer layer by layer.

[0015] In a possible implementation, the outermost condensation layer is provided with an exhaust valve on its top.

[0016] In a possible implementation, the water source layer is provided with an overflow pipe passing through the bottom plate.

[0017] In a possible implementation, a water full sensor is provided on the overflow pipe on the second side of the bottom plate.

[0018] In a possible implementation, a wastewater discharge port is provided on the bottom plate where the inner area is located.

[0019] In a possible implementation, the collection port is connected to a collection device.

[0020] In a possible implementation, the water inlet is connected to a water inlet valve.

[0021] In a possible implementation, the heat source inlet is connected to an inlet valve.

[0022] In a possible implementation, the heat exchange module and the base plate are detachably connected.

[0023] In a possible implementation, the heights of the water source layers and the condensation layers increase sequentially from the innermost layer to the outermost layer.

[0024] The technical solution provided by the present invention has at least the following beneficial effects:

[0025] By nesting several water source layers and several condensation layers in an alternating manner on the bottom plate, a multi-layer condensation structure is constructed, which allows the heat of the internally arranged heat exchange module to be transferred outward layer by layer through the multiple water source layers and condensation layers. The water in the water source layer is supplied from the outside to the inside layer by layer, which can well control the temperature difference between the water source layers of each layer, fully utilize waste heat to realize the production of distilled water, effectively improve the utilization rate of waste heat, solve the problem of waste of industrial surplus heat energy, and realize an energy-saving, carbon-reducing and environmentally friendly technical solution for producing distilled water using waste heat. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A schematic diagram of the overall structure of a device for producing distilled water using waste heat provided by an embodiment of the present invention;

[0027] Figure 2 A top and bottom cross-sectional view of an apparatus for producing distilled water using waste heat provided by an embodiment of the present invention;

[0028] Figure 3 A top-section perspective view of a device for producing distilled water using waste heat provided by an embodiment of the present invention;

[0029] Figure 4 A longitudinal sectional perspective view of a portion of the structure of a device for producing distilled water using waste heat provided by an embodiment of the present invention;

[0030] Figure 5 A partial structural perspective diagram of a device for producing distilled water using waste heat provided by an embodiment of the present invention;

[0031] In the accompanying drawings, 10, bottom plate; 11, water source layer; 12, condensation layer; 13, heat exchange module; 14, spray device; 15, spray booster pump; 16, pipeline; 17, water level control valve; 18, water inlet; 19, collecting port; 20, heat source inlet; 21, heat source outlet; 22, exhaust valve; 23, overflow pipe; 24, water full sensor; 25, wastewater discharge port; 26, collecting device; 27, water inlet valve; 28, inlet valve; 121, through hole; 161, air flow hole; 171, water flow hole. DETAILED DESCRIPTION

[0032] In order to deepen the understanding of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. The embodiments are only used to explain the present invention and do not limit the scope of protection of the present invention.

[0033] Please refer to Figures 1 to 5 , the present invention provides a device for producing distilled water using waste heat, comprising: a bottom plate 10, a water source layer 11, a condensation layer 12, a heat exchange module 13, and a spray device 14;

[0034] The water source layers 11 and the condensation layers 12 are nested and arranged on the first side of the bottom plate 10 in an alternating manner, with the outermost layer and the innermost layer both being the condensation layer 12, and the top of the water source layer 11 being connected to the top of the condensation layer 12 adjacent to the outer side thereof;

[0035] The heat exchange module 13 is disposed on the bottom plate 10 at the location of the inner area surrounded by the innermost condensation layer 12, and the inner area is connected to the top of the innermost condensation layer 12;

[0036] The spray device 14 is disposed above the heat exchange module 13 in the inner area;

[0037] The water source layer 11 adjacent to the innermost condensation layer 12 is connected to the spray device 14 via a spray booster pump 15 provided on the second side of the bottom plate 10;

[0038] The two adjacent condensation layers 12 are connected on the second side of the bottom plate 10 via a pipe 16, and the two adjacent water source layers 11 are connected on the second side of the bottom plate 10 via a water level control valve 17;

[0039] The water source layer 11 adjacent to the outermost condensation layer 12 is provided with a water inlet 18 on the bottom plate 10;

[0040] The condensation layer 12 is provided with a collecting port 19 on the bottom plate 10;

[0041] The heat source inlet 20 and the heat source outlet 21 of the heat exchange module 13 pass through the bottom plate 10 and are connected to the outside;

[0042] The heat emitted by the heat exchange module is transferred layer by layer from the internal area to the external condensation layer and the water source layer. The water required in the water source layer is input through the water inlet and then transported from the outermost water source layer to the inner water source layer layer by layer.

[0043] In this embodiment, when the device is placed flat on the ground for use, the side of the bottom plate 10 that is perpendicular to the ground and facing upward is its first side, and the side that is perpendicular to the ground and facing downward is its second side. The number of water source layers 11 and condensation layers 12 is determined according to actual needs. The adjacent water source layers 11 and condensation layers 12 share a common layer wall, that is, the inner wall of the water source layer 11 is used as the outer wall of the condensation layer 12, and the outer wall of the water source layer 11 is used as the inner wall of the condensation layer 12. The specific material can be a metal material with good thermal conductivity. In the structural design of the layer wall, a number of through holes 121 are provided on the top of the inner wall of the outermost condensation layer 12, and the top of the inner wall of all water source layers 11 is conical in design. No valve is provided on the pipe 16 to ensure that the two adjacent condensation layers 12 are always connected. It should be pointed out that, Figure 1 The pipe 16 and the water level control valve 17 are shown together for the purpose of illustrating the working principle thereof, and are not used to define the specific positions of the pipe 16 and the water level control valve 17. The heat exchange module 13 can use a conventional heat exchanger, which can be selected according to actual implementation needs, such as an aluminum radiator.

[0044] like Figure 2, a plurality of air flow holes 161 located in the same straight line are provided on the bottom plate 10, and the connecting line thereof passes through the center of the bottom plate 10 in the first direction. A plurality of water flow holes 171 located in the same straight line are also provided on the bottom plate 10, and the connecting line thereof passes through the center of the bottom plate 10 in the second direction. In a specific implementation, the first direction and the second direction can be two directions perpendicular to each other in the horizontal plane. The air flow holes 161 are provided at the bottom of the condensation layer 12, and the water flow holes 171 are provided at the bottom of the water source layer 11. The water inlet 18 is connected to the outermost water flow hole 171. In a specific embodiment, assuming that the water source layer 11 has 4 layers, namely the first layer, the second layer, the third layer, and the fourth layer from the outside to the inside, Figure 2 The left side of the center of the midsole plate 10 is the first side, and the right side is the second side; the condensation layer 12 has 5 layers, which are the first layer, the second layer, the third layer, the fourth layer, and the fifth layer from the outside to the inside. Figure 2 The upper side of the center of the midsole plate 10 is the third side, and the lower side is the fourth side. The water inlet 18 is connected to the water flow holes 171 on the first side of the water source layer 11 of the first layer. The water flow holes 171 on the second side of the water source layer 11 of the first layer are connected to the water flow holes 171 on the second side of the water source layer 11 of the second layer via a water level control valve 17. The water flow holes 171 on the first side of the water source layer 11 of the second layer are connected to the water flow holes 171 on the first side of the water source layer 11 of the third layer via a water level control valve 17. The water flow holes 171 on the second side of the water source layer 11 of the third layer are connected to the water flow holes 171 on the second side of the water source layer 11 of the fourth layer via a water level control valve 17. The water flow holes 171 on the first side of the water source layer 11 of the fourth layer are connected to the spray device 14 via a spray booster pump 15. The air holes 161 on the third side of the first condensation layer 12 are connected to the air holes 161 on the third side of the second condensation layer 12 via the pipe 16. The air holes 161 on the fourth side of the second condensation layer 12 are connected to the air holes 161 on the fourth side of the third condensation layer 12 via the pipe 16. The air holes 161 on the third side of the third condensation layer 12 are connected to the air holes 161 on the third side of the fourth condensation layer 12 via the pipe 16. The air holes 161 on the fourth side of the fourth condensation layer 12 are connected to the air holes 161 on the fourth side of the fifth condensation layer 12 via the pipe 16. By connecting each water source layer 11 and each condensation layer 12 in an alternating manner, the operation of the entire device can be made more stable.

[0045] In one specific embodiment, an external heat source is directed to the heat exchange module 13, causing water sprayed above the heat exchange module 13 to instantly vaporize, forming high-temperature saturated steam. This steam, upon encountering the fourth water source layer 11, forms condensed water, simultaneously releasing heat to the adjacent third water source layer 11, further heating the water in the third water source layer 11. After absorbing a certain amount of heat, the water in the third water source layer 11 forms water vapor. This vapor condenses in the outer second water source layer 11, simultaneously releasing heat to the outer first water source layer 11, further heating the water. This cycle repeatedly utilizes heat energy, achieving optimal thermal energy utilization and significantly increasing condensed water production. The specific number of condensation layers can be selected based on actual needs.

[0046] The device for producing distilled water using waste heat in this application has high practical value. The details are as follows:

[0047] Assume the specific heat capacity of steam is 2100 J / (kg·°C), 1 ton of water weighs 1000 kg, and the saturation temperature of steam is 160°C. According to the formula: Heat = Mass * Specific Heat * Temperature, then: Heat = 2100 * 1000 * 160 = 336,000,000 M = 336 MJ. The heat required to evaporate 1 ton of water is approximately 336 MJ.

[0048] Taking an aluminum heat sink as an example, assuming the thermal conductivity of aluminum is approximately 205 W / mK. According to the first law of thermodynamics, Q = H*A*(T1-T2). Where Q is the heat sink power, H is the thermal conductivity, A is the heat sink surface area, T1 is the heat sink surface temperature, and T2 is the ambient temperature. Assuming the heat sink surface area is 2 square meters and the steam saturation temperature is 160 degrees Celsius, then:

[0049] Heat dissipation power = 205*2*(160-100) = 24600W.

[0050] Conversion formula: 1J = 1W·s, so the heat dissipation of 24600W is:

[0051] Heat dissipation = 24600 * 3600 = 88560000 J

[0052] The heat dissipation of a 2-square-meter radiator, 88,560,000 J, divided by the heat required to evaporate 1 ton of water, 336 MJ, is approximately equal to 0.2636, which means that about 263 liters of water can be evaporated in one hour.

[0053] Of course, the actual water production is primarily determined by the device's heat source temperature and the actual area of ​​the heat exchanger. The higher the heat source temperature, the greater the water production. Similarly, the larger the heat exchanger area, the greater the water production.

[0054] In a possible implementation, the outermost condensation layer 12 is provided with an exhaust valve 22 on its top.

[0055] In this embodiment, when there is too much steam, the excess steam can be discharged from the exhaust valve 22 to achieve normal pressure maintenance.

[0056] In a possible implementation, the water source layer 11 is provided with an overflow pipe 23 passing through the bottom plate 10 .

[0057] In this embodiment, the overflow pipe 23 is a conventional type. When the amount of water stored in the water source layer 11 where the overflow pipe 23 is installed is too much, the excess water can flow out from the overflow pipe 23.

[0058] In a possible implementation, a water full sensor 24 is provided on the overflow pipe 23 on the second side of the bottom plate 10 .

[0059] In this embodiment, the water full sensor 24 can be a conventional sensor capable of detecting water flow. In specific implementation, the water full sensor 24 can transmit corresponding monitoring data to a corresponding control system. For example, when the amount of water stored in the water source layer 11 is excessive, the excess water will overflow from the overflow pipe 23 and flow through the water full sensor 24. The water full sensor 24 will emit a corresponding water full signal. The control system can then control the external water source to stop supplying water to the water source layer 11 based on the water full signal.

[0060] In a possible implementation, a wastewater discharge port 25 is provided on the bottom plate 10 where the inner area is located.

[0061] In this embodiment, the wastewater discharge port 25 is used to discharge the unvaporized residual liquid water out of the device.

[0062] In a possible implementation, the collecting port 19 is connected to a collecting device 26 .

[0063] In this embodiment, the collecting device 26 is used to collect the finally collected distilled water, and a conventional collecting container can be used.

[0064] In a possible implementation, the water inlet 18 is connected to a water inlet valve 27 .

[0065] In this embodiment, the water inlet valve 27 is used to introduce an external water source into the water source layer 11, and can control the flow of water between the external water source and the water source layer 11 according to the amount of water in the water source layer 11. In a specific implementation, the water inlet valve 27 can be a solenoid valve. By connecting the solenoid valve and the water fullness sensor 24 to the same control system, automatic control of water inlet can be achieved.

[0066] In a possible implementation, the heat source inlet 20 is connected to an inlet valve 28 .

[0067] In this embodiment, the inlet valve 28 is used to control the connection between the external heat source and the heat exchange module 13 .

[0068] In a possible implementation, the heat exchange module 13 and the base plate 10 are detachably connected.

[0069] In this embodiment, the heat exchange module 13 and the base plate 10 are provided with a detachable connection, so as to facilitate replacement of heat exchange modules 13 of different specifications according to different heat sources, thereby improving the utilization rate of waste heat.

[0070] In a possible implementation, the heights of the water source layers 11 and the condensation layers 12 increase sequentially from the innermost layer to the outermost layer.

[0071] In this embodiment, the height of the innermost water source layer 11 and the condensation layer 12 is the lowest. With each additional layer, the height of the additional water source layer 11 and the condensation layer 12 increases accordingly, so that the heat of the inner layer can be evenly transferred to the outer layer, preventing the heat energy from diffusing to the outside of the device due to insufficient thickness of the top, and effectively improving the utilization rate of thermal energy.

[0072] The above embodiments should not limit the present invention in any way, and any technical solutions obtained by equivalent replacement or equivalent conversion fall within the protection scope of the present invention.

Claims

1. A device for producing distilled water using waste heat, characterized in that: include: Bottom plate, water source layer, condensation layer, heat exchange module, spray device; A plurality of the water source layers and a plurality of the condensation layers are nested and arranged on the upper side of the bottom plate in an alternating manner, the outermost layer and the innermost layer are both the condensation layers, and the top of the water source layer is connected to the top of the condensation layer adjacent to the outer side thereof; The heat exchange module is arranged on the bottom plate at the location of the inner area surrounded by the innermost condensation layer, and the inner area is communicated with the top of the innermost condensation layer; The spray device is arranged above the heat exchange module in the inner area; The water source layer adjacent to the innermost condensation layer is connected to the spray device via a spray booster pump provided on the lower side of the bottom plate; The two adjacent condensation layers are connected by a pipe on the lower side of the bottom plate; a plurality of air flow holes located in the same straight line are provided on the bottom plate, and the connecting line passes through the center of the bottom plate in a first direction; the air flow holes are provided at the bottom of the condensation layer; the air flow holes on the third side of the condensation layer of the first layer are connected to the air flow holes on the third side of the condensation layer of the second layer through a pipe, the air flow holes on the fourth side of the condensation layer of the second layer are connected to the air flow holes on the fourth side of the condensation layer of the third layer through a pipe, the air flow holes on the third side of the condensation layer of the third layer are connected to the air flow holes on the third side of the condensation layer of the fourth layer through a pipe, and the air flow holes on the fourth side of the condensation layer of the fourth layer are connected to the air flow holes on the fourth side of the condensation layer of the fifth layer through a pipe; ensuring that the two adjacent condensation layers are always connected; the outermost condensation layer is provided with an exhaust valve at its top; The water source layer adjacent to the outermost condensation layer is provided with a water inlet on the bottom plate; The two adjacent water source layers are connected at the lower side of the bottom plate through a water level control valve; a plurality of water flow holes located in the same straight line are provided on the bottom plate, and the connecting line thereof passes through the center of the bottom plate in the second direction; the water flow holes are provided at the bottom of the water source layer; the water inlet is connected to the water flow holes on the first side of the water source layer of the first layer, the water flow holes on the second side of the water source layer of the first layer are connected to the water flow holes on the second side of the water source layer of the second layer through a water level control valve, the water flow holes on the first side of the water source layer of the second layer are connected to the water flow holes on the first side of the water source layer of the third layer through a water level control valve, the water flow holes on the second side of the water source layer of the third layer are connected to the water flow holes on the second side of the water source layer of the fourth layer through a water level control valve, and the water flow holes on the first side of the water source layer of the fourth layer are connected to the spray device through a spray booster pump provided on the lower side of the bottom plate; The first direction and the second direction are two directions perpendicular to each other in a horizontal plane; The condensation layer is provided with a collecting port on the bottom plate; The heat source inlet and the heat source outlet of the heat exchange module pass through the bottom plate and are connected to the outside; The heights of the plurality of water source layers and the plurality of condensation layers increase sequentially from the innermost layer to the outermost layer; The heat emitted by the heat exchange module is transferred layer by layer from the internal area to the external condensation layer and the water source layer. The water required in the water source layer is input through the water inlet and then transported from the outermost water source layer to the inner water source layer layer by layer, so as to control a temperature difference between the water source layers.

2. The device according to claim 1, characterized in that The water source layer is provided with an overflow pipe passing through the bottom plate.

3. The device according to claim 2, characterized in that A water full sensor is provided on the overflow pipe on the lower side of the bottom plate.

4. The device according to claim 1, characterized in that A wastewater discharge port is provided on the bottom plate at the location of the inner area.

5. The device according to claim 1, characterized in that The collecting port is connected with a collecting device.

6. The device according to claim 1, characterized in that The water inlet is connected with a water inlet valve.

7. The device according to claim 1, characterized in that The heat source inlet is connected with an inlet valve.

8. The device according to claim 1, characterized in that The heat exchange module and the base plate are detachably connected.

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