CN215446512U

CN215446512U - Boiler with waste heat recovery function

Info

Publication number: CN215446512U
Application number: CN202121816446.3U
Authority: CN
Inventors: 曹利武
Original assignee: Wuhan Zhenzongxing Wood Industry Co ltd
Current assignee: Wuhan Zhenzongxing Wood Industry Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-01-07
Anticipated expiration: 2031-08-05

Abstract

The utility model discloses a boiler with a waste heat recovery function, which comprises a boiler main body, wherein one side of the boiler main body is fixedly connected with a first water tank, the inside of the first water tank is fixedly connected with a first heat exchange pipe, the side wall of one side of the first water tank, which is connected with the boiler main body, is fixedly connected with a smoke exhaust pipe, the other side of the boiler main body is fixedly connected with a second water tank, and the insides of the second water tank and the first water tank are filled with water, and the boiler has the beneficial effects that: according to the utility model, the first water tank and the second water tank are respectively arranged on two sides of the boiler, and the first water tank is communicated with the combustion chamber of the boiler main body through the smoke exhaust pipe, when the boiler is used, smoke is exhausted into water in the first water tank, the water in the first water tank is used for absorbing heat in the smoke, the temperature of the water in the first water tank can gradually rise, the temperature of the first heat exchange pipe can gradually rise, the pipeline can be prevented from being damaged due to rapid temperature difference change, and meanwhile, smoke dust in the smoke can be removed by the water in the first water tank, so that pollution is avoided.

Description

Boiler with waste heat recovery function

Technical Field

The utility model relates to the technical field of machinery, in particular to a boiler with a waste heat recovery function.

Background

The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy, and is common mechanical equipment.

When the heat of present used boiler in retrieving the flue gas, most make the pipeline of discharging the flue gas pass through the aquatic, utilize the heat on the water absorption pipeline, reach the purpose of retrieving, but can't handle the smoke and dust in the flue gas, and the damage appears easily in the direct and cold water contact of pipeline of high temperature.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a boiler with waste heat recovery function, so as to solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a boiler with a waste heat recovery function comprises a boiler body, wherein a first water tank is fixedly connected to one side of the boiler body, a first heat exchange tube is fixedly connected to the inside of the first water tank, a smoke exhaust tube is fixedly connected to the side wall, on one side, connected with the boiler body, of the first water tank, a second water tank is fixedly connected to the other side of the boiler body, water is filled in the second water tank and the first water tank, a second heat exchange tube is fixedly connected to the inside of the second water tank, an air outlet tube penetrates through and is fixedly connected to the side wall, away from the boiler body, of the upper end of the second water tank, a vent tube is fixedly connected between the upper end of the second water tank and the upper end of the first water tank, a fixing tube is fixedly connected between the upper end of the second water tank and the upper end of the first water tank, and a water outlet tube penetrates through and is fixedly connected to the side wall of the lower end, away from the boiler body, of the second water tank, the utility model discloses a boiler, including boiler main body, conduction oil tank, connecting pipe, first water tank, second water tank, first defeated oil pipe and second defeated oil pipe of output fixedly connected with of circulating pump, the positive lower extreme fixedly connected with batch oil tank of boiler main body, the conduction oil has been irritated to the inside of batch oil tank, run through and the fixedly connected with connecting pipe on the lateral wall of one side upper end of batch oil tank, the one end that the batch oil tank was kept away from to the connecting pipe passes the positive lateral wall of first water tank and the lower extreme of fixed connection at first heat exchange tube, the first defeated oil pipe one end of keeping away from the circulating pump extends to the inside upper end of batch oil tank, the defeated oil pipe of second is kept away from the one end of circulating pump and is passed the positive lateral wall of second water tank and the lower extreme of fixed connection at the second heat exchange tube.

Preferably, the smoke exhaust pipe is of an L-shaped structure, the horizontal part of the smoke exhaust pipe is communicated with the combustion chamber of the boiler main body, and the lower end of the vertical part of the smoke exhaust pipe extends to the lower end of the inside of the first water tank.

Preferably, one end of the vent pipe extends to the upper end of the inside of the first water tank, and the other end of the vent pipe extends to the lower end of the inside of the second water tank.

Preferably, one end of the fixed pipe penetrates through the front side wall of the first water tank and is fixedly connected to the upper end of the first heat exchange pipe, and the other end of the fixed pipe penetrates through the front side wall of the second water tank and is fixedly connected to the upper end of the second heat exchange pipe.

Preferably, the second heat exchange tube and the first heat exchange tube are both made of copper metal and have spiral structures.

Preferably, the lower extreme of first water tank is the toper structure, just the lower extreme of first water tank has seted up the bin outlet that the joint has the piston.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the first water tank and the second water tank are respectively arranged on two sides of the boiler, and the first water tank is communicated with the combustion chamber of the boiler main body through the smoke exhaust pipe, when the boiler is used, smoke is exhausted into water in the first water tank, the water in the first water tank is used for absorbing heat in the smoke, the temperature of the water in the first water tank can gradually rise, the temperature of the first heat exchange pipe can gradually rise, the pipeline can be prevented from being damaged due to rapid temperature difference change, and meanwhile, smoke dust in the smoke can be removed by the water in the first water tank, so that pollution is avoided.

Drawings

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

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

FIG. 3 is a schematic view of the internal structure of the oil storage tank of the present invention;

fig. 4 is a schematic view of the vent structure of the present invention.

In the figure: 1. a boiler main body; 2. a first water tank; 3. a first heat exchange tube; 4. a smoke exhaust pipe; 5. a second water tank; 6. an air outlet pipe; 7. a breather pipe; 8. a second heat exchange tube; 9. a water outlet pipe; 10. an oil storage tank; 11. a connecting pipe; 12. a circulation pump; 13. a first oil delivery pipe; 14. a second oil delivery pipe; 15. and fixing the tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a boiler with a waste heat recovery function comprises a boiler main body 1, a first water tank 2 is fixedly connected to one side of the boiler main body 1, a first heat exchange tube 3 is fixedly connected to the inside of the first water tank 2, a smoke exhaust tube 4 is fixedly connected to the side wall, connected with the boiler main body 1, of the first water tank 2, a second water tank 5 is fixedly connected to the other side of the boiler main body 1, water is filled in the second water tank 5 and the first water tank 2, a second heat exchange tube 8 is fixedly connected to the inside of the second water tank 5, an air outlet tube 6 penetrates through and is fixedly connected to the side wall, far away from the boiler main body 1, of the upper end of the second water tank 5 and the upper end of the first water tank 2, a vent pipe 7 is fixedly connected between the upper end of the front of the second water tank 5 and the upper end of the front of the first water tank 2, a fixing tube 15 is fixedly connected between the upper end of the front of the second water tank 5 and the side wall, far away from the boiler main body 1, a water outlet tube 9 penetrates through and is fixedly connected to the side wall of the lower end of the side of the second water tank 5, boiler body 1's front lower extreme fixedly connected with batch oil tank 10, the conduction oil has been irritated to the inside of batch oil tank 10, run through and fixedly connected with connecting pipe 11 on the lateral wall of one side upper end of batch oil tank 10, the one end that the batch oil tank 10 was kept away from to connecting pipe 11 passes the front lateral wall of first water tank 2 and the lower extreme of fixed connection at first heat exchange tube 3, the upper end fixedly connected with circulating pump 12 of batch oil tank 10, the first defeated oil pipe 13 of output fixedly connected with and the defeated oil pipe 14 of second of circulating pump 12, the one end that circulating pump 12 was kept away from to first defeated oil pipe 13 extends to the inside upper end of batch oil tank 10, the one end that second defeated oil pipe 14 kept away from circulating pump 12 passes the front lateral wall of second water tank 5 and the lower extreme of fixed connection at second heat exchange tube 8, can carry the inside of second heat exchange tube 8 with the conduction oil in the batch oil tank 10 during the use, flow to the inside of first heat exchange tube 3, accomplish the heat transfer action.

One end of a fixed pipe 15 passes through the front side wall of the first water tank 2 and is fixedly connected with the upper end of the first heat exchange pipe 3, the other end of the fixed pipe 15 passes through the front side wall of the second water tank 5 and is fixedly connected with the upper end of the second heat exchange pipe 8, the first heat exchange pipe 3 and the second heat exchange pipe 8 are conveniently connected together, heat conducting oil flows between the first heat exchange pipe 3 and the second heat exchange pipe 8, the second heat exchange pipe 8 and the first heat exchange pipe 3 are both made of copper metal and are in a spiral structure, the heat exchange time is conveniently prolonged, the lower end of the first water tank 2 is in a conical structure, the lower end of the first water tank 2 is provided with a discharge port in which a piston is clamped, smoke dust and sewage precipitated in the first water tank 2 are conveniently discharged, the smoke exhaust pipe 4 is in an L-shaped structure, the horizontal part of the smoke exhaust pipe 4 is communicated with a combustion chamber of the boiler main body 1, and the lower end of the vertical part of the smoke exhaust pipe 4 extends to the inner lower end of the first water tank 2, the convenience is arranged the aquatic in first water tank 2 with the flue gas, and the one end of breather pipe 7 extends to the inside upper end of first water tank 2, and the other end of breather pipe 7 extends to the inside lower extreme of second water tank 5, makes things convenient for the water absorption residual water in the flue gas in the second water tank 5.

Specifically, when the utility model is used, a power supply is switched on, the boiler body 1 and the circulating pump 12 are started, the flue gas in the combustion chamber is discharged into the water in the first water tank 2 through the smoke discharge pipe 4, the water in the first water tank 2 absorbs the heat in the flue gas, the temperature of the water in the first water tank 2 gradually rises, the first heat exchange pipe 3 is heated, the smoke dust in the flue gas is removed, the flue gas is discharged into the water in the second water tank 5 through the vent pipe 7, the water in the second water tank 5 absorbs the heat remained in the flue gas, the heat is discharged out of the second water tank 5 through the air outlet pipe 6, the circulating pump 12 simultaneously discharges the heat conducting oil in the oil storage tank 10 into the second heat exchange pipe 8 through the first oil conveying pipe 13 and the second oil conveying pipe 14, then discharges the heat conducting oil into the first heat exchange pipe 3 through the fixed pipe 15, and then flows back into the oil storage tank 10 through the connecting pipe 11, and in the process, the heat conducting oil on the first heat exchange pipe 3 is conducted to the second heat exchange pipe 8, then the water in the second water tank 5 is conducted through the second heat exchange tube 8 to achieve the purpose of recovering heat in the flue gas, and then the water in the second water tank 5 is discharged through the water outlet tube 9 and is refilled with cold water.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The boiler with the waste heat recovery function is characterized by comprising a boiler main body (1), wherein a first water tank (2) is fixedly connected to one side of the boiler main body (1), a first heat exchange pipe (3) is fixedly connected to the inside of the first water tank (2), a smoke exhaust pipe (4) is fixedly connected to one side wall of the first water tank (2) connected with the boiler main body (1), a second water tank (5) is fixedly connected to the other side of the boiler main body (1), water is filled in the second water tank (5) and the first water tank (2), a second heat exchange pipe (8) is fixedly connected to the inside of the second water tank (5), an air outlet pipe (6) penetrates through and is fixedly connected to one side wall of the second water tank (5) far away from the boiler main body (1), and a vent pipe (7) is fixedly connected between the upper end of the second water tank (5) and the upper end of the first water tank (2), a fixed pipe (15) is fixedly connected between the upper end of the front face of the second water tank (5) and the upper end of the front face of the first water tank (2) together, a water outlet pipe (9) penetrates and is fixedly connected onto the side wall of the lower end of one side, far away from the boiler main body (1), of the second water tank (5), an oil storage tank (10) is fixedly connected onto the lower end of the front face of the boiler main body (1), heat conducting oil is filled into the oil storage tank (10), a connecting pipe (11) penetrates and is fixedly connected onto the side wall of the upper end of one side of the oil storage tank (10), one end, far away from the oil storage tank (10), of the connecting pipe (11) penetrates through the side wall of the front face of the first water tank (2) and is fixedly connected onto the lower end of the first heat exchange pipe (3), a circulating pump (12) is fixedly connected onto the upper end of the oil storage tank (10), and a first oil conveying pipe (13) and a second oil conveying pipe (14) are fixedly connected onto the output end of the circulating pump (12), one end of the first oil delivery pipe (13) far away from the circulating pump (12) extends to the upper end of the inside of the oil storage tank (10), and one end of the second oil delivery pipe (14) far away from the circulating pump (12) penetrates through the front side wall of the second water tank (5) and is fixedly connected to the lower end of the second heat exchange pipe (8).

2. The boiler with waste heat recovery function according to claim 1, characterized in that: the smoke exhaust pipe (4) is of an L-shaped structure, the horizontal part of the smoke exhaust pipe (4) is communicated with a combustion chamber of the boiler main body (1), and the lower end of the vertical part of the smoke exhaust pipe (4) extends to the lower end of the interior of the first water tank (2).

3. The boiler with waste heat recovery function according to claim 1, characterized in that: one end of the vent pipe (7) extends to the upper end of the interior of the first water tank (2), and the other end of the vent pipe (7) extends to the lower end of the interior of the second water tank (5).

4. The boiler with waste heat recovery function according to claim 1, characterized in that: the one end of fixed pipe (15) passes the front lateral wall and the fixed connection in the upper end of first heat exchange tube (3) of first water tank (2), the other end of fixed pipe (15) passes the front lateral wall and the fixed connection in the upper end of second heat exchange tube (8) of second water tank (5).

5. The boiler with waste heat recovery function according to claim 1, characterized in that: the second heat exchange tube (8) and the first heat exchange tube (3) are both made of copper metal and are of spiral structures.

6. The boiler with waste heat recovery function according to claim 1, characterized in that: the lower extreme of first water tank (2) is the toper structure, just the bin outlet that the joint has the piston has been seted up to the lower extreme of first water tank (2).