CN110855184A

CN110855184A - Power plant's generating set recirculated cooling water heat recovery unit

Info

Publication number: CN110855184A
Application number: CN201911066290.9A
Authority: CN
Inventors: 王海银
Original assignee: Xian Yongxin Technology Co Ltd
Current assignee: Xian Yongxin Technology Co Ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-02-28

Abstract

The invention discloses a heat recovery device for circulating cooling water of a power plant generator set, which comprises a hot water box, a cold water box and a water tank, wherein the hot water box is positioned right above the cold water box, a Peltier power generation sheet is arranged between the top end of the bottom of the hot water box and the top of the cold water box, and a plurality of upper heat conduction plates are arranged inside the hot water box. When the water cooling device is used, hot water in cooling water is conveyed into the hot water box, the hot water heats the bottom of the hot water box to raise the temperature of the hot water box, and the water is conveyed into the cold water coil pipe to be cooled; the water after the cold water is conveyed into the cold water box, the top temperature of the Peltier power generation sheet is high, the bottom temperature of the Peltier power generation sheet is low at the moment, so that temperature difference is caused, and the Peltier power generation sheet generates power under the action of the Peltier effect so as to supply power to the fan and the water pump.

Description

Power plant's generating set recirculated cooling water heat recovery unit

Technical Field

The invention relates to a heat recovery device, in particular to a circulating cooling water heat recovery device for a power plant generator set.

Background

The generator set is a complete set of mechanical equipment for converting energy of other forms into electric energy, consists of a power system, a control system, a silencing system, a damping system and an exhaust system, is driven by a water turbine, a steam turbine, a diesel engine or other power machines, converts energy generated by water flow, air flow, fuel combustion or nuclear fission into mechanical energy to be transmitted to a generator, and then converts the mechanical energy into electric energy to be output to electric equipment for use. The generator has wide application in industrial and agricultural production, national defense, science and technology and daily life. With the technical progress in recent years, light-weight portable small-sized generator sets are also beginning to enter the daily life of residents as high-quality choices of household emergency power supplies and field trip power supplies, and the temperature of the generator sets can rise during working.

In view of the above, chinese patent No. CN209046448U proposes a water-conducting external circulation system for a generator set; chinese patent No. CN208431089U proposes an online back-washing device for a thrust bearing cooler of a hydroelectric generating set; chinese patent No. CN209293913U proposes an integrated heat dissipation and dust removal device for a generator set. However, the above patents all use the circulating water device to directly cool, thereby reducing the temperature of the circulating water, directly removing the absorbed heat in the cooling water, not utilizing the absorbed heat, causing the waste of energy, and the existing cooling device also consumes a large amount of power resources, which is not environment-friendly.

Disclosure of Invention

The invention aims to provide a heat recovery device for circulating cooling water of a power plant generator set, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a generating set recirculated cooling water heat reclamation device of power plant, includes hot-water box, cold water box and water tank, the hot-water box is located the cold water box directly over, install the paster electricity generation piece between the bottom top of hot-water box and the top of cold water box, the internally mounted of hot-water box has a plurality of heat-conducting plates of going up, adjacent two go up crisscross distribution between the heat-conducting plate, the internally mounted of cold water box has a plurality of heat-conducting plates down, adjacent two crisscross distribution between the heat-conducting plate down, the both sides of cold water box fixedly connected with cooling water respectively advance pipe and raceway, the left and right sides of hot-water box fixedly connected with cooling water return pipe and connecting pipe respectively, paster electricity generation piece electric connection has the battery.

Preferably, the bottom of the water tank is provided with a water pump, the water outlet end of the water pump is communicated with a water delivery pipe, and the water pump is electrically connected with the storage battery.

Preferably, the front side of the water tank is provided with an air outlet, the back side of the water tank is provided with a fan, and the fan is electrically connected with the storage battery.

Preferably, the water tank internally mounted has cooling coil, cooling coil's the end of intaking communicates with being connected the water pipe, cooling coil's play water end is located the inside of water tank.

Preferably, the outer surface of the connecting water pipe is fixedly connected with a plurality of heat dissipation plates, and the heat dissipation plates are annular.

Preferably, the outer surface of the cooling water return pipe is sleeved with a heat insulation sleeve, and the outer surface of the hot water box except the bottom is provided with heat insulation cotton.

Compared with the prior art, the invention has the beneficial effects that: when the water heater is used, hot water in the cooling water is conveyed into the hot water box, the hot water heats the bottom of the hot water box to raise the temperature of the hot water box, and the water is conveyed into the cold water coil pipe to be cooled; the water after the cold water is conveyed into the cold water box, the top temperature of the Peltier power generation sheet is high, the bottom temperature of the Peltier power generation sheet is low at the moment, so that temperature difference is caused, and the Peltier power generation sheet generates power under the action of the Peltier effect so as to supply power to the fan and the water pump.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the water tank of the present invention;

fig. 3 is a schematic structural view of the peltier power generation piece of the present invention.

In the figure: 1. a water tank; 2. an air outlet; 3. a fan; 4. a heat dissipation plate; 5. connecting a water pipe; 6. a hot water box; 7. a cooling water return pipe; 8. a cooling water inlet pipe; 9. a Peltier power generation sheet; 10. a cold water box; 11. a water delivery pipe; 12. a cooling coil; 13. a lower heat conducting plate; 14. an upper heat conducting plate; 15. a thermal insulation sleeve; 16. heat preservation cotton; 17. a water pump; 18. and (4) a storage battery.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

referring to fig. 1-3, a heat recovery device for recirculated cooling water of a power plant generator set comprises a hot water box 6, a cold water box 10 and a water tank 1, wherein the hot water box 6 is positioned right above the cold water box 10, a peltier power generation sheet 9 is arranged between the top of the bottom of the hot water box 6 and the top of the cold water box 10, a plurality of upper heat conduction plates 14 are arranged inside the hot water box 6, two adjacent upper heat conduction plates 14 are distributed in a staggered manner, a plurality of lower heat conduction plates 13 are arranged inside the cold water box 10, two adjacent lower heat conduction plates 13 are distributed in a staggered manner, a cooling water inlet pipe 8 and a water delivery pipe 11 are respectively and fixedly connected to two sides of the cold water box 10, a cooling water return pipe 7 and a connecting water pipe 5 are respectively and fixedly connected to the left side and the right side of the hot water box 6, a storage battery 18 is electrically connected to the peltier power generation sheet 9, the hot water in the cooling water is delivered to the, at this time, the top temperature of the peltier power generation piece 9 is high, and the bottom temperature is low, so that temperature difference is caused, and the peltier power generation piece 9 generates power under the action of the peltier effect.

Example two:

on the basis of the first embodiment, referring to fig. 2, a water pump 17 is installed at the bottom of the water tank 1, the water outlet end of the water pump 17 is communicated with the water delivery pipe 11, the water pump 17 is electrically connected with a storage battery 18, the water pump 17 conveys water in the water tank 1 towards the water delivery pipe 11, referring to fig. 1, an insulation sleeve 15 is sleeved on the outer surface of the cooling water return pipe 7, insulation cotton 16 is arranged on the outer surface of the hot water box 6 except the bottom, the insulation sleeve 15 and the insulation cotton 16 are used for keeping the temperature of the hot water not lost when the hot water reaches the hot water box 6, and the temperature of the top of the peltier power generation piece.

Example three:

on the basis of embodiment one and embodiment two, refer to fig. 2 and fig. 1, gas outlet 2 has been seted up to the front of water tank 1, fan 3 is installed to the back of water tank 1, fan 3 and battery 18 electric connection, water tank 1 internally mounted has cooling coil 12, the end of intaking of cooling coil 12 communicates with connecting pipe 5, the play water end of cooling coil 12 is located the inside of water tank 1, hot water arrives behind cooling coil 12, fan 3 bloies to the surface of cooling coil 12 this moment, the velocity of flow of air around cooling coil 12 is accelerated, and then cool down the water in cooling coil 12, the outer fixed surface that connects water pipe 5 is connected with a plurality of heating panels 4, heating panel 4 shape is the annular, be used for when carrying water, dispel the heat through a plurality of heating panels 4, reduce the cooling water temperature step by step.

It should be noted that, when the circulating cooling water heat recovery device for the power plant generator set is used, the cooling water return pipe 7 is connected with the water outlet end of the generator set heat dissipation device, the cooling water inlet pipe 8 is connected with the water inlet end of the generator set heat dissipation device, at the moment, the water pump 17 conveys water in the water tank 1 to the cold water box 10 through the water conveying pipe 11, at the moment, the plurality of lower heat conduction plates 13 transmit the temperature of cold water to the top of the cold water box 10, simultaneously, the flow rate of the water is reduced, then, the cold water is conveyed to the generator set heat dissipation device through the cooling water inlet pipe 8, then, the generated hot water is conveyed to the hot water box 6 through the cooling water return pipe 7, at the moment, the plurality of upper heat conduction plates 14 transmit the temperature of hot water to the bottom of the hot water box 6, simultaneously, the flow rate of the water is reduced, at the moment, the top temperature of the peltier power generation, under the action of the Peltier effect, the Peltier power generation sheet 9 generates power, the power is transmitted to the storage battery 18 to be stored, then hot water is transmitted to the cooling coil 12 through the connecting water pipe 5, at the moment, the fan 3 blows air to the surface of the cooling coil 12, the flow velocity of air around the cooling coil 12 is accelerated, the water in the cooling coil 12 is cooled, the cooled water returns to the water tank 1, circulation of the cooling water is completed, in the process, the power of the fan 3 and the water pump 17 is supplied through the storage battery 18, and heat energy in the cooling water is converted into electric energy, so that the electric power is supplied to cooling equipment, the energy consumption is reduced, and the energy-saving and environment-friendly effects are achieved.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a power plant's generating set recirculated cooling water heat reclamation device, includes hot water box (6), cold water box (10) and water tank (1), its characterized in that: hot-water box (6) are located cold water box (10) directly over, install peltier power generation piece (9) between the bottom top of hot-water box (6) and the top of cold water box (10), the internally mounted of hot-water box (6) has a plurality of heat-conducting plates (14), adjacent two go up crisscross distribution between heat-conducting plate (14), the internally mounted of cold water box (10) has a plurality of heat-conducting plates (13) down, adjacent two crisscross distribution between heat-conducting plate (13) down, the both sides of cold water box (10) are fixedly connected with cooling water respectively and advance pipe (8) and raceway (11), the left and right sides of hot-water box (6) is fixedly connected with cooling water return pipe (7) and connection water pipe (5) respectively, peltier power generation piece (9) electrically connected with battery (18).

2. The power plant power generating unit circulating cooling water heat recovery device of claim 1, characterized in that: the water tank is characterized in that a water pump (17) is installed at the bottom of the water tank (1), the water outlet end of the water pump (17) is communicated with the water delivery pipe (11), and the water pump (17) is electrically connected with a storage battery (18).

3. The power plant power generating unit circulating cooling water heat recovery device of claim 1, characterized in that: the front of the water tank (1) is provided with an air outlet (2), the back of the water tank (1) is provided with a fan (3), and the fan (3) is electrically connected with the storage battery (18).

4. The power plant power generating unit circulating cooling water heat recovery device of claim 1, characterized in that: the water tank (1) is internally provided with a cooling coil (12), the water inlet end of the cooling coil (12) is communicated with a connecting water pipe (5), and the water outlet end of the cooling coil (12) is positioned inside the water tank (1).

5. The power plant power generating unit circulating cooling water heat recovery device of claim 1, characterized in that: the outer surface of the connecting water pipe (5) is fixedly connected with a plurality of heat dissipation plates (4), and the heat dissipation plates (4) are annular.

6. The power plant power generating unit circulating cooling water heat recovery device of claim 1, characterized in that: the outer surface of the cooling water return pipe (7) is sleeved with a heat insulation sleeve (15), and heat insulation cotton (16) is arranged on the outer surface of the hot water box (6) except the bottom.