CN219473965U

CN219473965U - Condensing boiler with waste heat recovery mechanism

Info

Publication number: CN219473965U
Application number: CN202320355525.1U
Authority: CN
Inventors: 赵成岩; 曹明; 白延峰
Original assignee: Shenyang Dongnuan Thermal Technology Co ltd
Current assignee: Shenyang Dongnuan Thermal Technology Co ltd
Priority date: 2023-03-01
Filing date: 2023-03-01
Publication date: 2023-08-04
Anticipated expiration: 2033-03-01

Abstract

The utility model relates to the technical field of boilers and discloses a condensing boiler with a waste heat recovery mechanism, which comprises a shell, a combustion chamber, a water tank and a pipeline, wherein the upper left side of the water tank is fixedly connected with one end of a water inlet, the other end of the water inlet penetrates through a water inlet valve, the lower left side of the water tank is fixedly connected with one end of a water outlet, the other end of the water outlet penetrates through a water outlet valve, the inside of the water inlet is rotationally connected with one end of a first rotating shaft, and the outer wall of the first rotating shaft is fixedly connected with the axis of a fan blade. This condensation boiler with waste heat recovery mechanism can press the straight-bar when using and let the scraper blade scrape on the inner wall of water tank, makes the incrustation scale on the water tank inner wall get into the water tank and discharges along the delivery port, has avoided influencing the volume of water tank and influencing heat conduction's efficiency owing to the attached incrustation scale on the inner wall of water tank.

Description

Condensing boiler with waste heat recovery mechanism

Technical Field

The utility model relates to the technical field of boilers, in particular to a condensing boiler with a waste heat recovery mechanism.

Background

The boiler is an energy conversion device, the energy input to the boiler is chemical energy and electric energy in fuel, the boiler outputs steam, high temperature water or organic heat carrier with certain heat energy, the original meaning of the boiler refers to a water container heated on fire, the boiler refers to a place where fuel is burned, the boiler comprises two parts of boiler and boiler, the hot water or steam generated in the boiler can directly provide the needed heat energy for industrial production and people life, and can also be converted into mechanical energy through a steam power device, or the mechanical energy is converted into electric energy through a generator.

The waste heat recovery device on the market generally flushes high-temperature water vapor into cold water, so that the cold water is heated to achieve the effect of recovering waste heat.

The water in the water tank can lead to adhering to the incrustation scale on the water tank inner wall after many times heating, influences the volume and the heat transfer efficiency of water tank, and the water tank is bulky, can lead to the water in the water tank to be heated unevenly, and the water in the water tank is exchanging always, and the heat transfer efficiency that is heated unevenly can lead to the boiler reduces.

Disclosure of Invention

The utility model aims to provide a condensing boiler with a waste heat recovery mechanism, so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a condensation boiler with waste heat recovery mechanism, includes shell, combustion chamber, water tank, pipeline, the inside bottom side of shell and the bottom fixed connection of combustion chamber, the top of combustion chamber and the bottom fixed connection of water tank, the top of water tank and the one end fixed connection of pipeline, the other end of pipeline passes the top of shell and is connected to the inside of heat collecting vessel, the left side upper portion of water tank and the one end fixed connection of water inlet, the other end of water inlet runs through water inlet valve, the left side lower part of water tank and the one end fixed connection of delivery port, the other end of delivery port runs through water outlet valve, the inside of water inlet is rotated with the one end of a pivot and is connected, the outer wall of a pivot and the axle center department fixed connection of flabellum, the upper portion outer wall of a pivot and the axle center department fixed connection of a gear, the tooth groove department of a gear meshes with the department of No. three gears tooth groove department, the axle center department of No. three gears and the upper end fixed connection of No. three pivots, the lower extreme of No. outer wall and the one end fixed connection of a pivot and a stirring rod are rotated, the inside of a mechanism is scraped to be provided with, the mechanism is scraped to be scraped to the inside the mechanism:

the scraper blade, one side of the scraper blade close to the third rotating shaft is fixedly connected with one end of a spring, the other end of the spring is fixedly connected with one side of the mounting plate far away from the third rotating shaft, and a straight groove is formed in one side of the mounting plate far away from the third rotating shaft;

the middle part of the inclined rod is in sliding connection with the inclined groove of the straight rod, and the top end of the straight rod penetrates through the top of the third rotating shaft and the top of the shell;

the middle part of connecting rod and the outer wall fixed connection of No. three pivots.

Preferably, the number of the springs is three, and the springs are uniformly distributed between the scraping plate and the mounting plate, so that the scraping effect is better.

Preferably, the stirring rod is four in number, and two groups of stirring rods are distributed at the upper end and the lower end of the third rotating shaft, so that the stirring effect is better.

Preferably, the axle center of the second gear is rotationally connected with one end of the second rotating shaft, and the other end of the second rotating shaft is fixedly connected with the upper side of the water tank, so that the second rotating shaft is more stable.

Preferably, an annular groove is formed in the bottom side of the inner portion of the water tank, and the inner portion of the annular groove is in sliding connection with the protruding portion of the lower side of the mounting plate, so that the mounting plate can be vertically placed in the water tank.

Preferably, the top of the first rotating shaft rotates with the inner top side of the shell, and the first rotating shaft is more stable due to connection.

Compared with the prior art, the utility model provides the condensing boiler with the waste heat recovery mechanism, which has the following beneficial effects:

1. this condensation boiler with waste heat recovery mechanism can press the straight-bar when using and let the scraper blade scrape on the inner wall of water tank, makes the incrustation scale on the water tank inner wall get into the water tank and discharges along the delivery port, has avoided influencing the volume of water tank and influencing heat conduction's efficiency owing to the attached incrustation scale on the inner wall of water tank.

2. This condensation boiler with waste heat recovery mechanism, when intaking, can drive the puddler and stir the water in the water tank, make the water in the water tank be heated evenly, avoid leading to heat transfer efficiency to reduce because the water in the water tank is heated unevenly.

Drawings

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

FIG. 2 is a schematic view of the front cross-section structure of the present utility model;

FIG. 3 is an enlarged schematic view of the structure A of the present utility model;

FIG. 4 is a schematic side view of the mounting plate of the present utility model.

In the figure: 1. a housing; 2. a combustion chamber; 3. a scraping mechanism; 4. a water inlet valve; 5. a water inlet; 6. a water outlet; 7. a water outlet valve; 8. a pipe; 9. a water tank; 10. a heat collecting barrel; 11. a fan blade; 12. a first rotating shaft; 13. a first gear; 14. a second gear; 15. a second rotating shaft; 16. a third gear; 17. a third rotating shaft; 301. a straight rod; 302. a stirring rod; 303. a connecting rod; 304. a spring; 305. an annular groove; 306. a scraper; 307. a mounting plate; 308. a straight groove; 309. and (5) a diagonal rod.

Detailed Description

As shown in fig. 1-4, the present utility model provides a technical solution: the utility model provides a condensation boiler with waste heat recovery mechanism, including shell 1, combustion chamber 2, water tank 9, pipeline 8, the inside downside of shell 1 and the bottom fixed connection of combustion chamber 2, the top of combustion chamber 2 and the bottom fixed connection of water tank 9, the top of water tank 9 and the one end fixed connection of pipeline 8, the other end of pipeline 8 passes the top of shell 1 and is connected to the inside of heat collecting vessel 10, the left side upper portion of water tank 9 and the one end fixed connection of water inlet 5, the other end of water inlet 5 runs through inlet valve 4, the left side lower part of water tank 9 and the one end fixed connection of delivery port 6, the other end of delivery port 6 runs through outlet valve 7, the inside of water inlet 5 and the one end rotation connection of a pivot 12, the outer wall of a pivot 12 and the axle center department fixed connection of flabellum 11, the upper portion outer wall of a pivot 12 and the axle center department fixed connection of a gear 13, the tooth groove department of a gear 14 tooth groove department of No. 13 meshes, the tooth groove department of No. 14 and No. 16 tooth groove department of No. 16, the axle center department of No. 16 and the upper end fixed connection of No. 17 of a tooth groove department of No. 17, the other end of No. 17 runs through outlet valve 7, the inside of a pivot 3 is provided with a 3, the mechanism of a 3 is connected with a 3 of a 3-bar fixed connection of a 3, the inside of a 3: the scraper 306, the diagonal rod 309, the connecting rod 303, one side of the scraper 306 near the third rotating shaft 17 is fixedly connected with one end of the spring 304, the other end of the spring 304 is fixedly connected with one side of the mounting plate 307 far away from the third rotating shaft 17, a straight slot 308 is formed on one side of the mounting plate 307 far away from the third rotating shaft 17, the middle part of the diagonal rod 309 is slidably connected with the chute of the straight rod 301, the top end of the straight rod 301 penetrates through the top of the third rotating shaft 17 and the top of the shell 1, the middle part of the connecting rod 303 is fixedly connected with the outer wall of the third rotating shaft 17, fuel is put into the combustion chamber 2 to be ignited, water in the water tank 9 is heated, water vapor enters the pipeline 8 to finally reach the cold water position in the heat collecting barrel 10 and heat the cold water, heat recovery is realized, when the water inlet valve 4 is opened, water flows into the water tank 9 along the water inlet 5, and the fan blade 11 rotates anticlockwise, the fan blade 11 rotates anticlockwise to drive the first rotating shaft 12 to rotate anticlockwise to drive the second gear 14 to rotate clockwise, so that the third gear 16 rotates anticlockwise to drive the third rotating shaft 17 to rotate anticlockwise, the stirring rod 302 rotates anticlockwise in the water tank 9, stirring of water in the water tank 9 is realized, when the inner wall of the water tank 9 needs to be scraped, the straight rod 301 is pressed down, the straight rod 301 moves downwards to drive the inclined rod 309 to move leftwards, the inclined rod 309 extends out of the connecting rod 303, when the end part of the inclined rod 309 enters the straight groove 308 of the mounting plate 307, the mounting plate 307 is driven to rotate anticlockwise in the water tank 9, the scraping plate 306 moves on the inner wall of the water tank 9 to realize scraping, the condensation boiler with the waste heat recovery mechanism can press down the straight rod 301 to scrape on the inner wall of the water tank 9 when in use, scale on the inner wall of the water tank 9 enters the water tank 9 to be discharged along the water outlet 6, the water in the water tank 9 can be stirred by the stirring rod 302 when water enters, so that the water in the water tank 9 is heated uniformly, and the reduction of heat transfer efficiency caused by uneven heating of the water in the water tank 9 is avoided.

In addition, in order to make the scraping effect better, the number of the springs 304 is set to be three and evenly distributed between the scraping plate 306 and the mounting plate 307, in order to make the stirring effect better, the number of the stirring rods 302 is set to be four, and two groups of the stirring rods are distributed at the upper end and the lower end of the third rotating shaft 17, in order to make the rotation of the second gear 14 more stable, the axis center of the second gear 14 is rotationally connected with one end of the second rotating shaft 15, the other end of the second rotating shaft 15 is fixedly connected with the upper side of the water tank 9, in order to make the scraping plate 306 vertically placed in the water tank 9, an annular groove 305 is formed in the inner bottom side of the water tank 9, the inner part of the annular groove 305 is slidingly connected with the lower protruding part of the mounting plate 307, and in order to make the first rotating shaft 12 more stable, the top end of the first rotating shaft 12 is rotationally connected with the inner top side of the housing 1.

Working principle: the fuel is put into the combustion chamber 2 to be ignited, water in the water tank 9 is heated, steam finally reaches the cold water position in the heat collecting barrel 10 through the water inlet pipe 8 and heats the cold water, heat recovery is achieved, when the water inlet valve 4 is opened, water flows into the water tank 9 along the water inlet 5, the water flows drive the fan blades 11 to rotate anticlockwise, the fan blades 11 rotate anticlockwise to drive the first rotating shaft 12 to rotate anticlockwise to drive the second gear 14 to rotate clockwise, the third gear 16 rotates anticlockwise to drive the third rotating shaft 17 to rotate anticlockwise, the stirring rod 302 rotates anticlockwise in the water tank 9, stirring of water in the water tank 9 is achieved, when the inner wall of the water tank 9 needs to be scraped, the straight rod 301 is pressed down, the straight rod 301 moves downwards to drive the inclined rod 309 to move leftwards, the inclined rod 309 stretches out of the connecting rod 303, when the end part of the inclined rod 309 enters the straight groove 308 of the mounting plate 307, the mounting plate 307 rotates anticlockwise in the water tank 9, and the scraping plate 306 moves on the inner wall of the water tank 9 to scrape.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims

1. The utility model provides a condensing boiler with waste heat recovery mechanism, includes shell (1), combustion chamber (2), water tank (9), pipeline (8), the inside downside of shell (1) and the bottom fixed connection of combustion chamber (2), the top of combustion chamber (2) and the bottom fixed connection of water tank (9), the top of water tank (9) and the one end fixed connection of pipeline (8), the inside that the top of shell (1) is connected to heat collecting vessel (10) is passed to the other end of pipeline (8), its characterized in that: the upper left part of the water tank (9) is fixedly connected with one end of the water inlet (5), the other end of the water inlet (5) penetrates through the water inlet valve (4), the lower left part of the water tank (9) is fixedly connected with one end of the water outlet (6), the other end of the water outlet (6) penetrates through the water outlet valve (7), the inside of the water inlet (5) is rotationally connected with one end of the first rotating shaft (12), the outer wall of the first rotating shaft (12) is fixedly connected with the axle center of the fan blade (11), the outer wall of the upper part of the first rotating shaft (12) is fixedly connected with the axle center of the first gear (13), tooth groove department of gear No. one (13) tooth groove department meshing of gear No. two (14), tooth groove department of gear No. two (14) and tooth groove department meshing of gear No. three (16), the axle center department of gear No. three (16) and the upper end fixed connection of No. three pivot (17), the lower extreme outer wall of No. three pivot (17) and the one end fixed connection of puddler (302), the inside of water tank (9) is provided with scrapes and gets mechanism (3), scrape and get mechanism (3) include:

the scraper blade (306), one side of the scraper blade (306) close to the third rotating shaft (17) is fixedly connected with one end of a spring (304), the other end of the spring (304) is fixedly connected with one side, far away from the third rotating shaft (17), of a mounting plate (307), and a straight groove (308) is formed in one side, far away from the third rotating shaft (17), of the mounting plate (307);

the middle part of the inclined rod (309) is in sliding connection with the inclined groove of the straight rod (301), and the top end of the straight rod (301) penetrates through the top of the third rotating shaft (17) and the top of the shell (1);

the middle part of connecting rod (303) is fixedly connected with the outer wall of No. three pivot (17).

2. A condensing boiler with waste heat recovery mechanism according to claim 1, characterized in that: the number of the springs (304) is three, and the springs are uniformly distributed between the scraping plate (306) and the mounting plate (307).

3. A condensing boiler with waste heat recovery mechanism according to claim 1, characterized in that: the stirring rods (302) are four in number, and are in two groups of left and right, and two groups of two stirring rods are distributed at the upper end and the lower end of the third rotating shaft (17).

4. A condensing boiler with waste heat recovery mechanism according to claim 1, characterized in that: the axis of the second gear (14) is rotationally connected with one end of the second rotating shaft (15), and the other end of the second rotating shaft (15) is fixedly connected with the upper side of the water tank (9).

5. A condensing boiler with waste heat recovery mechanism according to claim 1, characterized in that: an annular groove (305) is formed in the bottom side of the inside of the water tank (9), and the inside of the annular groove (305) is in sliding connection with the lower side bulge of the mounting plate (307).

6. A condensing boiler with waste heat recovery mechanism according to claim 1, characterized in that: the top end of the first rotating shaft (12) is rotationally connected with the inner top side of the shell (1).