CN216448127U

CN216448127U - Exhaust gas heating boiler by waste heat of marine diesel engine

Info

Publication number: CN216448127U
Application number: CN202122625825.0U
Authority: CN
Inventors: 郑方丽; 周长杰; 管玉玲; 刘衍玲; 姜鹏
Original assignee: Qingdao Marine Boiler Co ltd
Current assignee: Qingdao Marine Boiler Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-05-06
Anticipated expiration: 2031-10-29

Abstract

The utility model relates to a marine diesel engine waste heat heating exhaust gas boiler, which comprises a boiler body, wherein an exhaust cavity, a heat exchange cavity and an air inlet cavity are arranged in the boiler body, the exhaust cavity and the air inlet cavity are symmetrically distributed at two sides of the heat exchange cavity, an exhaust pipe is fixedly arranged at one side of the boiler body close to the exhaust cavity, an air inlet pipe is fixedly arranged at one side of the boiler body close to the air inlet cavity, a plurality of first smoke pipes and second smoke pipes are symmetrically and fixedly arranged in the heat exchange cavity, air supply pipes are fixedly arranged at one sides of the second smoke pipes close to the air inlet cavity, the other ends of the air supply pipes are fixedly connected with the adjacent first smoke pipes, fixing plates are symmetrically and fixedly arranged in the exhaust pipes, air supply pipes are fixedly embedded in the fixing plates, and one ends of the exhaust pipes extend into the exhaust cavity, thereby avoiding the waste of energy.

Description

Exhaust gas heating boiler by waste heat of marine diesel engine

Technical Field

The utility model relates to a waste heat heating exhaust gas boiler of a marine diesel engine, and belongs to the technical field of marine exhaust gas boiler equipment.

Background

The exhaust gas boiler is a small boiler which utilizes the heat of smoke gas discharged from diesel engine to heat water to produce steam, the produced steam is mainly used for heating oil and supplying domestic steam, and on the diesel engine ship, it is mounted on the exhaust pipeline of diesel engine on the top of engine room, when the main machine is fed into rated working condition, it can be operated, and its evaporation quantity is dependent on the power produced by diesel engine.

The existing waste gas boiler can not be adjusted according to the amount of water liquid in the boiler, so that when the water liquid in the boiler is less, the measured flue gas can not exchange heat with the water liquid, waste of waste heat is caused, and waste gas and waste heat can not be effectively utilized.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a waste gas boiler heated by waste heat of a marine diesel engine, which has a simple structure and is convenient to use, and can effectively utilize the waste heat in waste gas so as to avoid energy waste and solve the problems in the background art.

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

marine diesel engine waste heat heating exhaust gas boiler, including the boiler body, set up exhaust chamber, heat transfer chamber and the chamber of admitting air in the boiler body, exhaust chamber with the chamber symmetric distribution of admitting air is in the both sides in heat transfer chamber, the boiler body is close to the fixed blast pipe that is equipped with in one side in exhaust chamber, the boiler body is close to the fixed intake pipe that is equipped with in one side in the chamber of admitting air, heat transfer intracavity symmetric fixation is equipped with a plurality of tobacco pipes one and tobacco pipe two, tobacco pipe two is close to one side in the chamber of admitting air all is fixed and is equipped with the air feed pipe, the other end of air feed pipe all with adjacent a tobacco pipe fixed connection, the fixed plate that is equipped with of symmetry in the blast pipe, all fixed the gas-supply pipe that has inlayed on the fixed plate.

Furthermore, one end of the exhaust pipe extends into the exhaust cavity, and one end of the air inlet pipe extends into the air inlet cavity.

Furthermore, a steam output pipe is fixedly arranged at the top end of one side of the boiler body, a liquid inlet pipe is fixedly arranged at the top end of the other side of the boiler body, a liquid outlet pipe is fixedly arranged at the bottom end of one side of the boiler body, the steam output pipe, the liquid inlet pipe and the liquid outlet pipe are all communicated with the inner space of the heat exchange cavity, and valves are arranged on the steam output pipe, the liquid inlet pipe, the liquid outlet pipe and the gas pipe.

Furthermore, two ends of the first smoke pipe extend into the adjacent air inlet cavity or the adjacent exhaust cavity respectively, and one end of the second smoke pipe close to the exhaust cavity extends into the exhaust cavity.

Furthermore, a sliding rod is fixedly arranged in the heat exchange cavity, and a liquid level sensor is arranged on the sliding rod in a sliding mode.

Further, this internal fixed control panel that is equipped with of boiler, level sensor with control panel's input electric connection, valve on the gas-supply pipe all with control panel's output electric connection.

The utility model has the beneficial effects that:

the utility model is provided with the liquid level sensor and the gas pipe, when in use, the liquid level sensor slides on the slide bar according to the liquid level height of the water liquid, the liquid level height of the water liquid in the heat exchange cavity can be detected through the liquid level sensor, then the signal is transmitted into the control panel, at the moment, the control panel controls the opening of the valve on the corresponding gas pipe, the waste gas can be transmitted into the gas inlet cavity through the gas inlet pipe, then the waste gas enters into the corresponding space through the gas pipe, and then is transmitted into the gas outlet cavity through the corresponding first smoke pipe, at the moment, the waste gas in the corresponding first smoke pipe is transmitted into the second smoke pipe through the gas transmitting pipe, so that the waste gas is transmitted into the gas outlet cavity through the second smoke pipe, the waste gas after heat exchange is discharged through the gas outlet pipe, the steam generated after heat exchange in the heat exchange cavity is transmitted to the proper position through the steam output pipe, so that the waste gas can be more effectively utilized, the waste heat recovery device is simple in structure and convenient to use, and can effectively utilize waste heat in waste gas, so that the waste of energy is avoided.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model without limiting the utility model.

FIG. 1 is a front view of a marine diesel engine exhaust heat-heated exhaust gas boiler of the present invention;

FIG. 2 is a schematic structural diagram of a waste heat heating exhaust gas boiler of a marine diesel engine according to the present invention;

FIG. 3 is a side view of a heat exchange chamber of the marine diesel exhaust heat-heating exhaust gas boiler of the present invention;

FIG. 4 is a top view of a stationary plate of the marine diesel exhaust heat-heated exhaust gas boiler according to the present invention;

reference numbers in the figures: 1. a boiler body; 2. an exhaust chamber; 3. a heat exchange cavity; 4. an air inlet cavity; 5. an exhaust pipe; 6. an air inlet pipe; 7. a first smoke pipe; 8. a second smoke pipe; 9. an air feed pipe; 10. a fixing plate; 11. a gas delivery pipe; 12. a steam output pipe; 13. a liquid inlet pipe; 14. a liquid discharge pipe; 15. a slide bar; 16. a liquid level sensor; 17. a control panel.

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.

In embodiment 1, please refer to fig. 1 to 4, the present invention provides a technical solution:

marine diesel engine waste heat heating exhaust gas boiler, including boiler body 1, exhaust chamber 2 has been seted up in boiler body 1, heat transfer chamber 3 and chamber 4 that admits air, exhaust chamber 2 and the both sides of chamber 4 symmetric distribution at heat transfer chamber 3 that admit air, boiler body 1 is close to one side of exhaust chamber 2 and fixedly is equipped with blast pipe 5, boiler body 1 is close to one side of chamber 4 that admits air and fixedly is equipped with

intake pipe

6, 3 internal symmetry of heat transfer chamber is fixed and is equipped with a plurality of tobacco pipes 7 and tobacco pipe two 8, one side that tobacco pipe two 8 are close to chamber 4 that admits air all fixedly is equipped with air feed pipe 9, the other end of air feed pipe 9 all with adjacent tobacco pipe 7 fixed connection, 5 internal symmetry of blast pipe are fixed and are equipped with fixed plate 10, all fixed the gas-supply pipe 11 of inlaying on the fixed plate 10.

Specifically, as shown in fig. 1-4, one end of the exhaust pipe 5 extends into the exhaust cavity 2, one end of the intake pipe 6 extends into the intake cavity 4, the top end of one side of the boiler body 1 is fixedly provided with a steam output pipe 12, the top end of the other side of the boiler body 1 is fixedly provided with a liquid inlet pipe 13, the bottom end of one side of the boiler body 1 is fixedly provided with a liquid outlet pipe 14, the steam output pipe 12, the liquid inlet pipe 13 and the liquid outlet pipe 14 are all communicated with the inner space of the heat exchange cavity 3, valves are arranged on the steam output pipe 12, the liquid inlet pipe 13, the liquid outlet pipe 14 and the gas pipe 11, exhaust gas can be conveyed into the intake cavity 4 through the intake pipe 6, then enters into the corresponding space through the gas pipe 11 and is conveyed into the exhaust cavity 2 through the corresponding first smoke pipe 7, at this time, exhaust gas in the corresponding first smoke pipe 7 is conveyed into the second smoke pipe 8 through the gas pipe 9, and is conveyed into the exhaust cavity 2 through the second smoke pipe 8, and then make the waste gas after the heat transfer discharge through blast pipe 5, can add water liquid in heat transfer chamber 3 through feed liquor pipe 13, water liquid in heat transfer chamber 3 can discharge through fluid-discharge tube 14, and the steam that produces after the heat transfer in heat transfer chamber 3 will be carried to suitable position department through steam output tube 12.

Specifically, as shown in fig. 2 and 3, two ends of the first smoke pipe 7 extend into the adjacent air inlet cavity 4 or the adjacent air exhaust cavity 2, one end of the second smoke pipe 8 close to the air exhaust cavity 2 extends into the air exhaust cavity 2, a control panel 17 is fixedly embedded in the boiler body 1, the liquid level sensor 16 is electrically connected with an input end of the control panel 17, valves on the air pipes 11 are electrically connected with an output end of the control panel 17, and the opening and closing of the valves in the air pipes 11 can be controlled through the control panel 17.

Embodiment 2, please refer to fig. 1 and fig. 2, the difference between this embodiment and embodiment 1 is: a sliding rod 15 is fixedly arranged in the heat exchange cavity 3, a liquid level sensor 16 is arranged on the sliding rod 15 in a sliding mode, and the liquid level height of water liquid in the heat exchange cavity 3 can be detected by arranging the liquid level sensor 16.

The working principle of the utility model is as follows: when in use, the liquid level sensor 16 slides on the slide bar 15 according to the liquid level height of the water liquid, the liquid level sensor 16 can detect the liquid level height of the water liquid in the heat exchange cavity 3, then the signal is transmitted to the control panel 17, at the moment, the control panel 17 controls the valve on the corresponding air delivery pipe 11 to open, waste gas can be delivered into the air inlet cavity 4 through the air inlet pipe 6, then enters the corresponding space through the air pipe 11 and is conveyed into the exhaust cavity 2 through the corresponding first smoke pipe 7, at the moment, the waste gas in the corresponding first smoke pipe 7 is conveyed into the second smoke pipe 8 through the air pipe 9 and is conveyed into the exhaust cavity 2 through the second smoke pipe 8, and then make the waste gas after the heat transfer discharge through blast pipe 5, can add water liquid in heat transfer chamber 3 through feed liquor pipe 13, water liquid in heat transfer chamber 3 can discharge through fluid-discharge tube 14, and the steam that produces after the heat transfer in heat transfer chamber 3 will be carried to suitable position department through steam output tube 12.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Marine diesel engine waste heat heating exhaust boiler, including boiler body (1), its characterized in that: an exhaust cavity (2), a heat exchange cavity (3) and an air inlet cavity (4) are arranged in the boiler body (1), the exhaust cavity (2) and the air inlet cavity (4) are symmetrically distributed at two sides of the heat exchange cavity (3), an exhaust pipe (5) is fixedly arranged on one side of the boiler body (1) close to the exhaust cavity (2), an air inlet pipe (6) is fixedly arranged on one side of the boiler body (1) close to the air inlet cavity (4), a plurality of first smoke pipes (7) and second smoke pipes (8) are symmetrically and fixedly arranged in the heat exchange cavity (3), an air supply pipe (9) is fixedly arranged on one side of the second smoke pipe (8) close to the air inlet cavity (4), the other end of the air supply pipe (9) is fixedly connected with the adjacent first smoke pipe (7), the exhaust pipe (5) is internally and symmetrically and fixedly provided with fixing plates (10), and gas conveying pipes (11) are fixedly embedded in the fixing plates (10).

2. The marine diesel engine waste heat-heated exhaust gas boiler of claim 1, characterized in that: one end of the exhaust pipe (5) extends into the exhaust cavity (2), and one end of the air inlet pipe (6) extends into the air inlet cavity (4).

3. The marine diesel engine waste heat-heated exhaust gas boiler of claim 1, characterized in that: the boiler comprises a boiler body (1), and is characterized in that a steam output pipe (12) is fixedly arranged at the top end of one side of the boiler body (1), a liquid inlet pipe (13) is fixedly arranged at the top end of the other side of the boiler body (1), a liquid discharge pipe (14) is fixedly arranged at the bottom end of one side of the boiler body (1), the steam output pipe (12), the liquid inlet pipe (13) and the liquid discharge pipe (14) are communicated with the inner space of a heat exchange cavity (3), and valves are arranged on the steam output pipe (12), the liquid inlet pipe (13), the liquid discharge pipe (14) and a gas pipe (11).

4. The marine diesel engine waste heat-heated exhaust gas boiler of claim 3, characterized in that: two ends of the first smoke pipe (7) respectively extend into the adjacent air inlet cavity (4) or the adjacent exhaust cavity (2), and one end of the second smoke pipe (8) close to the exhaust cavity (2) extends into the exhaust cavity (2).

5. The marine diesel engine waste heat-heated exhaust gas boiler of claim 4, characterized in that: the heat exchange cavity (3) is internally fixed with a sliding rod (15), and the sliding rod (15) is provided with a liquid level sensor (16) in a sliding manner.

6. The marine diesel engine waste heat-heated exhaust gas boiler of claim 5, characterized in that: boiler body (1) internal fixation inlays and is equipped with control panel (17), level sensor (16) with the input electric connection of control panel (17), the valve on gas-supply pipe (11) all with the output electric connection of control panel (17).