CN215217225U

CN215217225U - Waste heat recovery device of industrial heating furnace

Info

Publication number: CN215217225U
Application number: CN202120706831.6U
Authority: CN
Inventors: 李炫�; 张学峰
Original assignee: Tairan Electromechanical Engineering Suzhou Co ltd
Current assignee: Tairan Electromechanical Engineering Suzhou Co ltd
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-12-17
Anticipated expiration: 2031-04-08

Abstract

The utility model discloses a waste heat recovery device of industrial heating furnace, including the waste heat recovery case, the inside evenly distributed of waste heat recovery case has the heat-conducting plate, all form the heat flow channel with the waste heat recovery case lateral wall between the heat-conducting plate is adjacent, the middle part all is provided with the waste heat recovery pipe in the heat-conducting plate, the equal evenly distributed in both sides of heat-conducting plate has the heat conduction stick, the heat conduction stick is the copper product, the heat-conducting plate is the copper product matter, waste heat recovery case left side bottom front end runs through there is the intake pipe, the right-hand member at the return bend is passed through to intake pipe left end lower part, the inside fixedly connected with filter of intake pipe left end. The utility model discloses in, the waste heat recovery case passes through the heat-conducting plate and makes heating furnace waste heat high-efficient utilization with the heat conduction stick, and the filter filters smoke and dust in with steam, and the return bend is collected the smoke and dust of heating furnace flue gas and is avoided blockking up the waste heat recovery case, is worth wideling popularize.

Description

Waste heat recovery device of industrial heating furnace

Technical Field

The utility model relates to a heating furnace waste heat recovery device field especially relates to a waste heat recovery device of industrial heating furnace.

Background

In the metal processing trade, the heating furnace is the equipment with the metal material heating to the uniform temperature, and when the metal material heating reached rolling temperature, take out from the heating furnace and carry out subsequent processing, the heating furnace was used very extensively, and the heating furnace can produce a large amount of heat when using, and a part of heat of heating furnace can flow out from the chimney pipeline, has just so caused thermal waste.

Although there is the device to heating furnace waste heat recovery on the market now, because have some smoke and dust in the steam that flows out among the heating furnace chimney way, use for a long time will block up heating furnace waste heat recovery device, heating furnace waste heat recovery device's heat exchange efficiency now is very low simultaneously, can not reach the heat transfer effect of maximize.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing a waste heat recovery device of an industrial heating furnace.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a waste heat recovery device of industrial heating furnace, includes the waste heat recovery case, the inside evenly distributed of waste heat recovery case has the heat-conducting plate, all form the hot gas runner with the waste heat recovery case lateral wall between the heat-conducting plate is adjacent, the middle part all is provided with the waste heat recovery pipe in the heat-conducting plate, the equal evenly distributed in both sides of heat-conducting plate has the heat conduction stick, the heat conduction stick is the copper product, the heat-conducting plate is the copper product, waste heat recovery case left side bottom front end runs through there is the intake pipe, the intake pipe left end lower part is through the right-hand member of ring flange fixed connection at the return bend, the inside fixedly connected with filter of intake pipe left end.

As a further description of the above technical solution:

the heat conducting plates are distributed in a snake shape alternately between adjacent heat conducting plates.

As a further description of the above technical solution:

the one end fixedly connected with inlet tube of waste heat recovery pipe, the inlet tube runs through the left front end in waste heat recovery case top.

As a further description of the above technical solution:

the other end of the waste heat recovery pipe is fixedly connected with a water outlet pipe, and the water outlet pipe penetrates through the rear end of the right side of the top wall of the waste heat recovery tank.

As a further description of the above technical solution:

the periphery of waste heat recovery case is provided with the lagging casing, the lagging casing is the asbestos material.

As a further description of the above technical solution:

an air outlet pipe penetrates through the front end of the bottom of the right side of the waste heat recovery tank.

As a further description of the above technical solution:

the left end of the bent pipe is fixedly connected with a flue gas pipe through a flange plate.

As a further description of the above technical solution:

the bent pipe is U-shaped.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, at first through the setting of U-shaped return bend, the steam that makes in the heating furnace flow in the return bend from the flue gas pipe, and the steam that has the smoke and dust simultaneously is filtered by the filter, and in the smoke and dust was whole to fall into the return bend, if need clear up the smoke and dust only need with the return bend through the ring flange demolish pour the smoke and dust can, guarantee that the waste heat recovery box can not blockked up by the smoke and dust in the heating furnace.

2. The utility model discloses in, clean steam after the filter filters gets into waste heat recovery case, and steam successively snakelike heat-conducting plate that passes through, can fully contact the heat-conducting plate, and in the time of through the heat-conducting plate, the heat of steam is absorbed by heat-conducting plate, heat conduction stick and is heated waste heat recovery pipe, and waste heat recovery pipe can be with the liquid heating that inside flows through, makes the waste heat of heating furnace can be retrieved by the high efficiency, has promoted the thermal utilization ratio of heating furnace, is worth wideling popularize.

Drawings

Fig. 1 is a perspective view of a waste heat recovery tank of a waste heat recovery device of an industrial heating furnace according to the present invention;

FIG. 2 is a front view of a heat recovery device of an industrial heating furnace according to the present invention;

fig. 3 is a sectional view of a waste heat recovery tank of a waste heat recovery device of an industrial heating furnace according to the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 1;

fig. 5 is an enlarged view of fig. 3 at B.

Illustration of the drawings:

1. an air inlet pipe; 2. a water inlet pipe; 3. a water outlet pipe; 4. a waste heat recovery tank; 5. an air outlet pipe; 6. a flue gas pipe; 7. bending the pipe; 8. a waste heat recovery pipe; 9. a heat conducting rod; 10. a heat conducting plate; 11. a filter plate; 12. a flange plate; 13. a gasket; 14. a heat-insulating shell; 15. a hot gas flow channel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides an embodiment: a waste heat recovery device of an industrial heating furnace comprises a waste heat recovery box 4, heat conducting plates 10 are uniformly distributed in the waste heat recovery box 4, a heat flow channel 15 is formed between every two adjacent heat conducting plates 10 and the side wall of the waste heat recovery box 4, waste heat recovery pipes 8 are arranged in the middle of each heat conducting plate 10, heat conducting rods 9 are uniformly distributed on two sides of each heat conducting plate 10, each heat conducting rod 9 is made of copper, each heat conducting plate 10 is made of copper, an air inlet pipe 1 penetrates through the front end of the bottom of the left side of the waste heat recovery box 4, the lower portion of the left end of the air inlet pipe 1 is fixedly connected to the right end of a bent pipe 7 through a flange 12, a filter plate 11 is fixedly connected in the left end of the air inlet pipe 1, in conclusion, when the waste heat recovery device of the industrial heating furnace works, firstly, a flue gas pipe 6 is connected to the heating furnace, hot gas with smoke discharged by the heating furnace enters the bent pipe 7, and the flue gas enters the air inlet pipe 1 from the bent pipe 7, the filter plate 11 in the left end of the air inlet pipe 1 can filter smoke dust in hot air, the hot air is enabled to smoothly enter the waste heat recovery box 4 through the air inlet pipe 1, the smoke dust is filtered by the filter plate 11 and then falls into the bent pipe 7, if the smoke dust in the bent pipe 7 is accumulated too much, the bent pipe 7 is dismantled through the flange plate 12, the smoke dust is removed, the hot air can not block the waste heat recovery box 4 through the waste heat recovery box 4, the normal work of the waste heat recovery box is ensured, after the hot air enters the waste heat recovery box 4, the hot air passes through the heat conduction plate 10 in a serpentine distribution mode and then flows through the hot air flow channel 15, when the hot air flows through the heat conduction plate 10, the heat is absorbed by the heat conduction plate 10 and the heat conduction rod 9, the heat conduction plate 10 absorbs the waste heat recovery pipe 8 in the waste heat recovery pipe 8, the water to be heated flows into the waste heat recovery pipe 8 from the water inlet pipe 2, and flows out of the heat recovery pipe from the water outlet pipe 3 after being heated, the arrangement can ensure that the waste heat recovery tank 4 can fully recycle the heat flowing out of the heating furnace, and ensure the waste heat recovery efficiency of the heating furnace.

The heat conducting plates 10 are distributed in a snake-shaped alternative manner between adjacent heat conducting plates 10 to ensure that hot gas can sufficiently heat the heat conducting plates 10 and the heat conducting rods 9, one end of the waste heat recovery pipe 8 is fixedly connected with a water inlet pipe 2 for feeding water to the waste heat recovery pipe 8, the water inlet pipe 2 penetrates through the front end on the left side of the top of the waste heat recovery box 4, the other end of the waste heat recovery pipe 8 is fixedly connected with a water outlet pipe 3 for leading out hot water in the waste heat recovery pipe 8, the water outlet pipe 3 penetrates through the rear end on the right side of the top wall of the waste heat recovery box 4, a heat insulation shell 14 is arranged on the periphery of the waste heat recovery box 4 and used for insulating the waste heat recovery box 4, the waste heat recovery box can be well utilized by the heat, the heat insulation shell 14 is made of asbestos, an air outlet pipe 5 penetrates through the front end on the bottom on the right side of the waste heat recovery box 4, the left end of the bent pipe 7 is fixedly connected with a flue gas pipe 6 through a flange plate 12, and the flange plate 12 is convenient for disassembling of the bent pipe 7, the bent pipe 7 is U-shaped, so that the smoke dust can be conveniently collected.

The working principle is as follows: when the waste heat recovery device is used, the flue gas pipe 6 is connected to a heating furnace, hot gas with smoke dust discharged by the heating furnace enters the bent pipe 7 through the flue gas pipe 6, the flue gas enters the air inlet pipe 1 from the bent pipe 7, the filter plate 11 in the left end of the air inlet pipe 1 can filter the smoke dust in the hot gas, after the hot gas enters the waste heat recovery box 4, the hot gas passes through the heat conduction plate 10 distributed in a snake shape and then circulates through the hot gas flow channel 15, heat is absorbed by the heat conduction plate 10 and the heat conduction rod 9 when the hot gas flows through the heat conduction plate 10, the heat conduction plate 10 absorbs the waste heat recovery pipe 8 in the waste heat recovery box, water to be heated flows through the waste heat recovery pipe 8, the water flows into the waste heat recovery pipe 8 from the water inlet pipe 2 and flows out of the heating recovery pipe from the water outlet pipe 3, and the arrangement can ensure that the waste heat recovery box 4 can fully recycle the heat flowing out of the heating furnace and ensure the waste heat recovery efficiency of the heating furnace, is worthy of being widely popularized.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a waste heat recovery device of industrial heating furnace, includes waste heat recovery case (4), its characterized in that: the utility model discloses a waste heat recovery case, including waste heat recovery case (4), heat-conducting plate (10) and heat-conducting rod (9), the heat-conducting rod (9) is copper material, heat-conducting plate (10) are copper material, waste heat recovery case (4) left side bottom front end has run through intake pipe (1), intake pipe (1) left end lower part is through the right-hand member of ring flange (12) fixed connection at return bend (7), intake pipe (1) left end inside fixedly connected with filter (11), heat-conducting plate (10) are adjacent between all with waste heat recovery case (4) lateral wall formation heat flow channel (15), the middle part all is provided with waste heat recovery pipe (8) in heat-conducting plate (10), the equal evenly distributed in both sides of heat-conducting plate (10) has heat-conducting rod (9).

2. The heat recovery device of the industrial heating furnace according to claim 1, wherein: the heat conducting plates (10) are distributed in a snake-shaped alternate mode between adjacent heat conducting plates.

3. The heat recovery device of the industrial heating furnace according to claim 1, wherein: one end fixedly connected with inlet tube (2) of waste heat recovery pipe (8), inlet tube (2) run through the left front end in waste heat recovery case (4) top.

4. The heat recovery device of the industrial heating furnace according to claim 1, wherein: the other end of the waste heat recovery pipe (8) is fixedly connected with a water outlet pipe (3), and the water outlet pipe (3) penetrates through the rear end of the right side of the top wall of the waste heat recovery tank (4).

5. The heat recovery device of the industrial heating furnace according to claim 1, wherein: the periphery of waste heat recovery case (4) is provided with lagging casing (14), lagging casing (14) are the asbestos material.

6. The heat recovery device of the industrial heating furnace according to claim 1, wherein: an air outlet pipe (5) penetrates through the front end of the bottom of the right side of the waste heat recovery tank (4).

7. The heat recovery device of the industrial heating furnace according to claim 1, wherein: the left end of the elbow pipe (7) is fixedly connected with a flue gas pipe (6) through a flange plate (12).

8. The heat recovery device of the industrial heating furnace according to claim 1, wherein: the bent pipe (7) is U-shaped.