CN218510930U

CN218510930U - Energy-saving device of thermal power plant

Info

Publication number: CN218510930U
Application number: CN202222893187.5U
Authority: CN
Inventors: 范诗磊; 彭安迪
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-02-21
Anticipated expiration: 2032-10-31

Abstract

The utility model belongs to the technical field of heat recovery, especially, relate to an economizer of thermal power plant, comprising a water storage tank, the top left side of storage water tank is provided with the filler, the right side below of storage water tank is provided with the delivery port, the internally mounted of storage water tank has heating mechanism, the below of heating mechanism and the bottom that is located the storage water tank are inside to be provided with and to homogenize the mechanism. The utility model discloses an installation piece rotates, can extrude the movable rod who opens and be equipped with the guide way, make the movable rod drive the gas-supply pipe and carry out reciprocating type swing, and the gas-supply pipe is "S" shape and sets up, can prolong the flow and the contact time of the steam in the gas-supply pipe, can with the cold water contact of different positions in the water tank through the wobbling gas-supply pipe, can realize the improvement of heat recovery efficiency, it is energy-conserving more abundant, the connecting rod that drives a plurality of equidistance settings moves simultaneously, with higher speed the stirring to water, can realize accelerating the purpose of heat conduction, further improve heat recovery' S efficiency.

Description

Energy-saving device of thermal power plant

Technical Field

The utility model belongs to the technical field of heat recovery, especially, relate to an economizer of thermal power plant.

Background

The thermal power plant is a plant for producing electric energy by using combustible materials as fuels, and the basic production process comprises the following steps: the fuel heats water to generate steam during combustion, chemical energy of the fuel is converted into heat energy, the steam pressure pushes the steam turbine to rotate, the heat energy is converted into mechanical energy, and then the steam turbine drives the generator to rotate to convert the mechanical energy into electric energy.

In the daily use process, the exhaust gas temperature of a boiler air preheater of a thermal power plant is generally 120-160 ℃, certain waste heat recovery value is still provided, in order to fully utilize energy, an energy-saving device is required to be used for recovering heat in the exhaust gas, and a common energy-saving device on the market at present is insufficient in heat recovery, still has the condition that more heat is discharged along with the exhaust gas, and the energy-saving efficiency of the device is not high. Therefore, it is urgently needed to improve the existing energy-saving device and provide an energy-saving device of a thermal power plant.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the not enough that exists among the prior art, provide a reasonable in design, simple structure, the energy-conserving efficient economizer for solve the heat recovery that exists among the prior art not enough, still there is more heat to follow the flue gas exhaust condition, the not high scheduling problem of energy-conserving efficiency of device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an economizer of thermal power plant, its includes the storage water tank, the top left side of storage water tank is provided with the filler, the right side below of storage water tank is provided with the delivery port, the internally mounted of storage water tank has heating mechanism, the below of heating mechanism and the bottom that is located the storage water tank are inside to be provided with and to homogenize the mechanism.

As a preferred embodiment, heating mechanism includes mounting bracket, first motor, installation piece, movable rod, gas-supply pipe, gas injection hole and venthole, the middle part top of mounting bracket is provided with first motor, the output fixedly connected with installation piece of first motor, the installation piece deviates from first motor one side and is provided with the movable rod, the inside gas-supply pipe that is fixed with in top of movable rod, the left side of gas-supply pipe is provided with the gas injection hole, the right side of gas-supply pipe is provided with the venthole.

As a preferred embodiment, the mounting bracket is fixedly mounted on the left side wall of the water storage tank, a horizontal extension end extending into the guide groove inside the movable rod is arranged at one end of the mounting block away from the first motor, and the mounting block is connected with the movable rod in a clamping sliding manner.

As a preferred embodiment, the air conveying pipe is arranged in an S shape, and the left end and the right end of the air conveying pipe are rotatably connected with the water storage tank.

As a preferred embodiment, stir the mechanism evenly and include second motor, rotary disk, connecting rod and stirring board, the output of second motor runs through the storage water tank and links to each other with the rotary disk is fixed, the one end centre of a circle department that the second motor was kept away from to the rotary disk is provided with the connecting rod, the week side of connecting rod is connected with the stirring board.

In a preferred embodiment, the peripheral side of the rotating disc is in a shape of a rodent, the rotating disc is positioned in the water storage tank at equal intervals, and the rotating discs are in meshed connection.

In a preferred embodiment, the connecting rod is fixedly connected with the rotating disc and the stirring plate, and the stirring plate is distributed in a ring shape on the peripheral side of the connecting rod.

Compared with the prior art, the beneficial effects of the utility model are that:

in the scheme of the utility model:

the movable rod with the guide groove can be pressed through the rotation of the mounting block, so that the movable rod drives the gas transmission pipe to perform reciprocating swing, the gas transmission pipe is arranged in an S shape, the flow and the contact time of hot gas in the gas transmission pipe can be prolonged, the swinging gas transmission pipe can be contacted with cold water at different positions in the water storage tank, the heat recovery efficiency can be improved, and the energy is saved more fully;

the control rotary disk rotates, and the connecting rod that corresponds the setting can rotate simultaneously with the stirring board, can stir the water of storage water tank bottom and all mix, makes the inside rivers of storage water tank flow, is convenient for heat, and connects through two adjacent rotary disk meshing, can drive the connecting rod simultaneous operation that a plurality of equidistance set up, to the stirring of water with higher speed, can realize accelerating the purpose of heat conduction, further improves heat recovery's efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and the following description will be made with reference to the drawings:

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

FIG. 2 is a schematic view of the overall rear view structure of the present invention;

FIG. 3 is a schematic view of the sectional structure of the water storage tank of the present invention;

FIG. 4 is a left side view of the heating mechanism of the present invention;

FIG. 5 is a schematic structural view of the mounting block and the movable rod of the present invention in a disassembled state;

fig. 6 is the utility model discloses homogenize mechanism rear view structure schematic diagram.

In the figure:

1. a water storage tank; 2. a water filling port; 3. a water outlet; 4. a heating mechanism; 41. a mounting frame; 42. a first motor; 43. mounting blocks; 44. a movable rod; 45. a gas delivery pipe; 46. a gas injection hole; 47. an air outlet; 5. a homogenizing mechanism; 51. a second motor; 52. rotating the disc; 53. a connecting rod; 54. and (4) stirring the plate.

Detailed Description

The embodiments described below are only a part of the embodiments of the present invention, and do not represent all embodiments consistent with the present invention. Exemplary embodiments will now be described with reference to the accompanying drawings, in which:

as shown in fig. 1-6, the utility model discloses economizer of thermal power plant, it includes storage water tank 1, storage water tank 1's top left side is provided with filler 2, setting through filler 2, be convenient for add cold water in to storage water tank 1, storage water tank 1's right side below is provided with delivery port 3, setting through delivery port 3, the hot water recovery of being convenient for, storage water tank 1's internally mounted has heating mechanism 4, under heating mechanism 4's effect, can carry out quick recovery to the heat that contains in the flue gas, heating mechanism 4's below and the bottom that is located storage water tank 1 are inside to be provided with homogenizes mechanism 5, homogenizes under mechanism 5's effect, can accelerate the conduction of heat in the cold water, be favorable to improving thermal recovery efficiency.

As preferred embodiment, on the basis of above-mentioned structure, it is further, heating mechanism 4 includes mounting bracket 41, first motor 42, installation piece 43, movable rod 44, gas-supply pipe 45, gas injection hole 46 and venthole 47, the middle part top of mounting bracket 41 is provided with first motor 42, first motor 42's output fixedly connected with installation piece 43, installation piece 43 deviates from first motor 42 one side and is provided with movable rod 44, the inside gas-supply pipe 45 that is fixed with in top of movable rod 44, the left side of gas-supply pipe 45 is provided with gas injection hole 46, the right side of gas-supply pipe 45 is provided with venthole 47, setting through heating mechanism 4, can retrieve the heat that contains in the flue gas.

In a preferred embodiment, in addition to the above structure, the mounting bracket 41 is fixedly mounted on the left side wall of the water storage tank 1, one end of the mounting block 43, which is far away from the first motor 42, is provided with a horizontally extending end extending into the guide groove inside the movable rod 44, the mounting block 43 and the movable rod 44 are connected in a manner of engaging and sliding, and the movable rod 44 can drive the air pipe 45 to swing in a reciprocating manner by controlling the rotation of the mounting block 43.

As a preferred embodiment, on the basis of the above structure, further, the air pipe 45 is arranged in an "S" shape, the left and right ends of the air pipe 45 are rotatably connected with the water storage tank 1, and the air pipe 45 arranged in the "S" shape can prolong the flow of the flue gas in the water storage tank 1 and the contact time with the cold water, thereby facilitating the sufficient recovery of heat.

As a preferable embodiment, in addition to the above structure, the homogenizing mechanism 5 further includes a second motor 51, a rotating disk 52, a connecting rod 53 and a stirring plate 54, an output end of the second motor 51 penetrates through the water storage tank 1 and is fixedly connected with the rotating disk 52, the connecting rod 53 is arranged at a circle center of one end of the rotating disk 52 far away from the second motor 51, the stirring plate 54 is connected to the periphery of the connecting rod 53, and water in the water storage tank 1 can be stirred and flowed under the action of the homogenizing mechanism 5, so that the situation that the cold water is locally heated is avoided.

In a preferred embodiment, in addition to the above-described structure, the peripheral side of the rotating disk 52 is in the shape of a tooth, a plurality of rotating disks 52 are provided at equal intervals inside the water storage tank 1, the plurality of rotating disks 52 are engaged with each other, and the plurality of connecting rods 53 are controlled to rotate synchronously by the rotating disks 52 engaged with each other.

In addition to the above configuration, in a preferred embodiment, the connecting rod 53 is fixedly connected to both the rotating disk 52 and the stirring plate 54, and the stirring plates 54 are annularly distributed on the circumferential side of the connecting rod 53, so that the cold water in the water storage tank 1 can be stirred by the rotating stirring plate 54, thereby facilitating sufficient heat absorption of the cold water.

The working principle of the utility model is as follows:

when the water heater is used, firstly, cold water is added into the water storage tank 1 through the water filling port 2, hot air is transmitted into the air conveying pipe 45 through the air injection hole 46, the hot air transmitted in the air conveying pipe 45 can heat water, the air conveying pipe 45 arranged in an S shape can prolong the flow of the hot air in the air conveying pipe 45 and the contact time with the cold water, then the first motor 42 is started to control the mounting block 43 to rotate, the mounting block 43 can extrude the movable rod 44 with the guide groove formed inside while rotating, the movable rod 44 drives the air conveying pipe 45 to perform reciprocating small-amplitude swing, the swinging air conveying pipe 45 can be contacted with the cold water at different positions in the water storage tank 1, the cold water is heated at multiple positions, the heat recovery efficiency can be improved, and the energy is saved more fully;

start second motor 51 control rotary disk 52 simultaneously and rotate, rotary disk 52 can drive the connecting rod 53 and the synchronous rotation of stirring board 54 that correspond the setting, can stir the water of storage water tank 1 bottom through stirring board 54 and all mix, make the inside water of storage water tank 1 flow, and connect through two adjacent rotary disk 52 meshing, can drive the connecting rod 53 and the stirring board 54 simultaneous rotation that a plurality of equidistance set up, the stirring to water with higher speed, can realize accelerating the mesh of heat conduction, avoid appearing the condition that cold water local heating, can further improve heat recovery's efficiency, finally, the flue gas after the heat is absorbed passes through venthole 47 discharge gas-supply pipe 45.

The above are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; the present invention is intended to cover such alternatives, modifications, substitutions and variations as may be suggested by those skilled in the art based on the teachings herein and by their equivalents through analysis of logic, reasoning and limited experimentation.

Claims

1. The utility model provides an economizer of thermal power plant, includes storage water tank (1), its characterized in that: the top left side of storage water tank (1) is provided with filler (2), the right side below of storage water tank (1) is provided with delivery port (3), the internally mounted of storage water tank (1) has heating mechanism (4), the below of heating mechanism (4) and the bottom that is located storage water tank (1) are inside to be provided with and to homogenize mechanism (5).

2. The economizer of a thermal power plant as claimed in claim 1, wherein: heating mechanism (4) include mounting bracket (41), first motor (42), installation piece (43), movable rod (44), gas-supply pipe (45), gas injection hole (46) and venthole (47), the middle part top of mounting bracket (41) is provided with first motor (42), the output fixedly connected with installation piece (43) of first motor (42), installation piece (43) deviate from first motor (42) one side and are provided with movable rod (44), the inside gas-supply pipe (45) that is fixed with in top of movable rod (44), the left side of gas-supply pipe (45) is provided with gas injection hole (46), the right side of gas-supply pipe (45) is provided with venthole (47).

3. The economizer of a thermal power plant as claimed in claim 2, wherein: mounting bracket (41) fixed mounting is in the left side wall of storage water tank (1), the one end that first motor (42) was kept away from in installation piece (43) is equipped with the horizontal extension end that extends to in movable rod (44) inside guide way, the connected mode of installation piece (43) and movable rod (44) is block sliding connection.

4. The economizer of a thermal power plant as claimed in claim 2, wherein: the air delivery pipe (45) is arranged in an S shape, and the left end and the right end of the air delivery pipe (45) are rotatably connected with the water storage tank (1).

5. The economizer of a thermal power plant as claimed in claim 1, wherein: homogenize mechanism (5) and include second motor (51), rotary disk (52), connecting rod (53) and stirring board (54), the output of second motor (51) runs through storage water tank (1) and links to each other with rotary disk (52) are fixed, the one end centre of a circle department that second motor (51) were kept away from in rotary disk (52) is provided with connecting rod (53), the week side of connecting rod (53) is connected with stirring board (54).

6. An economizer for a thermal power plant as claimed in claim 5, wherein: the periphery of the rotating disc (52) is in a rodent shape, the rotating disc (52) is located in the water storage tank (1) and is provided with a plurality of rotating discs (52) at equal intervals, and the rotating discs (52) are connected in a meshed mode.

7. An economizer for a thermal power plant as claimed in claim 5, wherein: the connecting rod (53) is fixedly connected with the rotating disk (52) and the stirring plate (54), and the stirring plate (54) is annularly distributed on the peripheral side of the connecting rod (53).