CN216954033U

CN216954033U - Tubular heating furnace with waste heat recovery function

Info

Publication number: CN216954033U
Application number: CN202123185013.5U
Authority: CN
Inventors: 孙全松; 游泽盛
Original assignee: Jiangsu Xingneng Environmental Protection Technology Co ltd
Current assignee: Jiangsu Xingneng Environmental Protection Technology Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-07-12
Anticipated expiration: 2031-12-17

Abstract

The utility model relates to the technical field of tubular heating furnaces, in particular to a tubular heating furnace with a waste heat recovery function, which comprises a heating furnace body, wherein one side of the heating furnace body is provided with a recovery cleaning component, the recovery cleaning component comprises a protective box, one side of the protective box is provided with an exhaust pipe, the right side of the exhaust pipe is fixedly connected with a fan, and an output shaft of the fan is fixedly connected with a cleaning component. This tubular heating furnace that possesses waste heat recovery function, through the recovery cleaning assembly that sets up on the heating furnace body, the convenience is washd filterable otter board when retrieving through carrying out the waste heat when using, improve waste heat recovery's quality and efficiency, it is when retrieving the heat to have solved tubular heating furnace, need filter the back and using to inside steam, but in long-time repeated filtration, filterable otter board can be stopped up by the residue meeting dust in the gas, the problem of filterable effect when carrying out waste heat recovery has been reduced.

Description

Tubular heating furnace with waste heat recovery function

Technical Field

The utility model relates to the technical field of tubular heating furnaces, in particular to a tubular heating furnace with a waste heat recovery function.

Background

The tubular heating furnace is a directly heated heating device and is mainly used for heating liquid or gas chemical raw materials, the used fuel generally comprises fuel oil and fuel gas, and the heat transfer mode of the tubular heating furnace is mainly radiation heat transfer.

When the tubular heating furnace recovers heat, the tubular heating furnace needs to filter internal hot gas and then is used, but in long-time repeated filtration, the filtered screen plate can be blocked by dust in the residual gas, and the filtering effect in the process of recovering waste heat is reduced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a tubular heating furnace with a waste heat recovery function, which has the advantages of recovering and cleaning components and the like, and solves the problems that when the tubular heating furnace recovers heat, hot gas in the tubular heating furnace needs to be filtered and then used, but in long-time repeated filtering, a filtering screen plate is blocked by dust in the gas, and the filtering effect in waste heat recovery is reduced.

In order to achieve the purpose of recovering and cleaning the components, the utility model provides the following technical scheme: a tubular heating furnace with a waste heat recovery function comprises a heating furnace body, wherein a recovery cleaning component is arranged on one side of the heating furnace body;

the recycling and cleaning assembly comprises a protective box, an exhaust pipe is arranged on one side of the protective box, a fan is fixedly connected to the right side of the exhaust pipe, a cleaning assembly is fixedly connected to an output shaft of the fan, an insulation box is fixedly connected to the right side of the cleaning assembly, insulation boards are fixedly connected to the tops of the protective box and the insulation box, and a return pipe is fixedly connected to the interior of each insulation board;

the cleaning assembly comprises a connecting box, a top fixedly connected with motor of the connecting box, an output shaft fixedly connected with rotating shaft of the motor, a filter frame fixedly connected with the rotating shaft, a cleaning ball movably connected with the inside of the filter frame, a top fixedly connected with water tank of the motor, a bottom fixedly connected with water outlet pipe of the water tank, a right side fixedly connected with ventilation pipe of the connecting box, and an electric control valve fixedly connected with the outside of the ventilation pipe.

Furthermore, the inside packing of heated board has the heat preservation cotton, and the cotton outside of enclosing at the back flow that just keeps warm.

Further, the number of the cleaning balls is three, and the outer sides of the cleaning balls are sharp triangles.

Furthermore, the filtering frame is rectangular and is in a porous net shape.

Further, the top of connecting box is seted up quantity and is two extension holes, the outlet pipe extends to the inside of connecting box through extending the hole.

Furthermore, connecting holes are formed in the tops of the heat insulation box and the protective box, and the return pipe is connected with the heat insulation box, the protective box and the heating furnace body through the connecting holes.

Compared with the prior art, the utility model provides a tubular heating furnace with a waste heat recovery function, which has the following beneficial effects:

this tubular heating furnace that possesses waste heat recovery function, through the recovery cleaning assembly that sets up on the heating furnace body, the convenience is washd filterable otter board when retrieving through carrying out the waste heat when using, improve waste heat recovery's quality and efficiency, it is when retrieving the heat to have solved tubular heating furnace, need filter the back and using to inside steam, but in long-time repeated filtration, filterable otter board can be stopped up by the residue meeting dust in the gas, the problem of filterable effect when carrying out waste heat recovery has been reduced.

Drawings

FIG. 1 is a cross-sectional view of the structure of the present invention;

FIG. 2 is a schematic view of a cleaning assembly according to the present invention.

In the figure: the device comprises a heating furnace body 1, a protective box 2, an air exhaust pipe 3, a fan 4, a cleaning component 5, a heat preservation box 6, a heat preservation plate 7, a return pipe 8, a connecting box 51, a motor 52, a rotating shaft 53, a filter frame 54, a cleaning ball 55, a water tank 56, a water outlet pipe 57, a ventilation pipe 58 and an electric control valve 59.

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. 1-2, a tube heating furnace with waste heat recovery function includes a heating furnace body 1, and a recovery cleaning assembly is disposed on one side of the heating furnace body 1.

In the embodiment, the recovery cleaning component comprises a protective box 2, an exhaust pipe 3 is arranged on one side of the protective box 2, a fan 4 is fixedly connected to the right side of the exhaust pipe 3, the fan 4 collects waste heat through the exhaust pipe 3, a cleaning component 5 is fixedly connected to an output shaft of the fan 4, an insulation box 6 is fixedly connected to the right side of the cleaning component 5, the waste heat is conveniently insulated, insulation boards 7 are fixedly connected to the tops of the protective box 2 and the insulation box 6, a return pipe 8 is fixedly connected to the interior of the insulation board 7, the heat preservation effect of the backflow pipe 8 is improved by the heat preservation plate 7 during backflow, heat preservation cotton is filled in the heat preservation plate 7, and the cotton outside that surrounds at back flow pipe 8 that keeps warm, and the connecting hole has all been seted up at the top of insulation can 6 and protective housing 2, and back flow 8 is connected with insulation can 6 and protective housing 2 and heating furnace body 1 through the connecting hole, and the convenience makes heat used repeatedly through the backward flow of back flow 8 when using.

In this embodiment, the cleaning assembly 5 comprises a connection box 51, a drain pipe and a water control valve are fixedly connected to the bottom of the connection box 51, so that water flows out through the drain pipe after cleaning, the water control valve is convenient to control water flow, the top of the connecting box 51 is fixedly connected with the motor 52, the output shaft of the motor 52 is fixedly connected with the rotating shaft 53, the filter frame 54 is fixedly connected between the rotating shafts 53, the motor 52 drives the rotating shaft 53 and the filter frame 54 to rotate when in work, the rotation is convenient to filter gas, and also convenient to rotate and clean, the filter frame 54 is rectangular, the filter frame 54 is porous and netted, so that the gas can be conveniently filtered by the filter frame 54 and then circulated when in use, the number of the cleaning balls 55 is three, and the outside of cleaning ball 55 is sharp-pointed triangle-shaped, conveniently hits filter frame 54 through cleaning ball 55 when using, conveniently avoids filterable dust pile to block up filter frame 54.

In this embodiment, the inside swing joint of filter frame 54 has cleaning ball 55, the top fixedly connected with water tank 56 of motor 52, the bottom fixedly connected with outlet pipe 57 of water tank 56, the manual valve of outside fixedly connected with of outlet pipe 57, the rivers of convenient control outlet pipe 57, the extension hole that quantity is two is seted up at the top of connecting box 51, outlet pipe 57 extends to the inside of connecting box 51 through extending the hole, conveniently spray water to the inside of connecting box 51 when using, the right side fixedly connected with ventilation pipe 58 of connecting box 51, the outside fixedly connected with electric control valve 59 of ventilation pipe 58.

This embodiment is when using, preheat heating furnace body 1 through fan 4 and extract when using, enter into the inside of connecting box 51 after the extraction, then filter the inside of back going into insulation can 6 through pivoted filter frame 54, through the back flow 8 that sets up on insulation can 6, make steam pass through back flow 8 and reenter the inside of heating furnace body 1 and use, and drive filter frame 54 on the pivot 53 through motor 52 and rotate when not using, then utilize the cleaning ball 55 to wash filter frame 54, improve the filter effect in the follow-up work.

The beneficial effects of the above embodiment are as follows:

this tubular heating furnace that possesses waste heat recovery function, through the recovery cleaning assembly that sets up on heating furnace body 1, the convenience is washd filterable otter board when retrieving through carrying out the waste heat when using, improve waste heat recovery's quality and efficiency, tubular heating furnace has been solved when retrieving the heat, need filter the back and using inside steam, but in long-time repeated filtration, filterable otter board can be stopped up by the residue meeting dust in the gas, the problem of filterable effect when carrying out waste heat recovery has been reduced.

The electrical components shown herein are electrically connected to a main controller and a power supply, the main controller can be a conventional known device controlled by a computer, and the conventional power connection technology disclosed in the prior art is not described in detail herein.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 utility model provides a tubular heating furnace that possesses waste heat recovery function, includes heating furnace body (1), its characterized in that: a recycling and cleaning component is arranged on one side of the heating furnace body (1);

the recycling and cleaning assembly comprises a protective box (2), an exhaust pipe (3) is arranged on one side of the protective box (2), a fan (4) is fixedly connected to the right side of the exhaust pipe (3), a cleaning assembly (5) is fixedly connected to an output shaft of the fan (4), a heat preservation box (6) is fixedly connected to the right side of the cleaning assembly (5), heat preservation plates (7) are fixedly connected to the tops of the protective box (2) and the heat preservation box (6), and a return pipe (8) is fixedly connected to the interior of each heat preservation plate (7);

the cleaning assembly (5) comprises a connecting box (51), a top fixedly connected with motor (52) of the connecting box (51), an output shaft fixedly connected with rotating shaft (53) of the motor (52), a filter frame (54) fixedly connected with the rotating shaft (53), a cleaning ball (55) movably connected with the inside of the filter frame (54), a top fixedly connected with water tank (56) of the motor (52), a bottom fixedly connected with water outlet pipe (57) of the water tank (56), a right side fixedly connected with ventilation pipe (58) of the connecting box (51), and an outer side fixedly connected with electric control valve (59) of the ventilation pipe (58).

2. The tube furnace with a waste heat recovery function according to claim 1, characterized in that: the heat preservation cotton is filled in the heat preservation plate (7), and the heat preservation cotton surrounds the outer side of the return pipe (8).

3. The tube furnace with a waste heat recovery function according to claim 1, characterized in that: the number of the cleaning balls (55) is three, and the outer sides of the cleaning balls (55) are sharp triangles.

4. The tube heating furnace with a waste heat recovery function according to claim 1, characterized in that: the filter frame (54) is rectangular, and the filter frame (54) is porous and reticular.

5. The tube furnace with a waste heat recovery function according to claim 1, characterized in that: the top of connecting box (51) is seted up the quantity and is two extension holes, outlet pipe (57) extend to the inside of connecting box (51) through extending the hole.

6. The tube heating furnace with a waste heat recovery function according to claim 1, characterized in that: the top of the heat preservation box (6) and the top of the protection box (2) are both provided with connecting holes, and the return pipe (8) is connected with the heat preservation box (6), the protection box (2) and the heating furnace body (1) through the connecting holes.