CN214891882U

CN214891882U - Heat preservation stove with heat transfer function

Info

Publication number: CN214891882U
Application number: CN202120979270.7U
Authority: CN
Inventors: 施辉
Original assignee: Ningbo Xingzhanwang Energy Saving Technology Co ltd
Current assignee: Ningbo Xingzhanwang Energy Saving Technology Co ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-11-26
Anticipated expiration: 2031-05-08

Abstract

The utility model provides a heat preservation stove with heat transfer function, which comprises a furnace body, the heat transfer case, air-blower and nozzle, the heat transfer case includes the box, hot cigarette admission pipe, cold cigarette discharge pipe, cold wind admission pipe, hot-blast output tube and heat exchange tube, the heat exchange tube is installed inside the box, hot cigarette admission pipe upper end is linked together with the box is internal, hot cigarette admission pipe lower extreme is connected with the outlet flue of furnace body, the both ends of heat exchange tube are connected respectively to cold wind admission pipe and hot-blast output tube, the upper end of cold wind admission pipe is connected with the air-blower, hot-blast output tube is connected with the nozzle. The utility model discloses can carry out the heat transfer with hot cigarette and cold wind, reduce the temperature of furnace body exhaust hot cigarette, improve the life of nozzle, improve the stability of stove operation, and energy-conserving effectual.

Description

Heat preservation stove with heat transfer function

Technical Field

The utility model relates to a heat preservation stove with heat transfer function belongs to equipment for heat treatment technical field.

Background

Among the prior art, the holding furnace needs the nozzle to heat just can guarantee that the material body in the holding furnace maintains the heat preservation, and the interior hot cigarette of stove is because the higher and hot cigarette of temperature has volatility, and long-time work can lead to the electrical system of nozzle to burn out, influences product life, carries out the cooling of certain degree to the nozzle based on the aforesaid needs, just can guarantee that the nozzle operation is stable.

Disclosure of Invention

The utility model discloses a main aim at provides a heat preservation stove with heat transfer function can carry out the heat transfer to the nozzle of heat preservation stove, has fine energy-conserving effect simultaneously.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a heat preservation furnace with a heat exchange function comprises a furnace body, a heat exchange box, a blower and a burner, wherein the burner is inserted into the furnace body, the heat exchange box and the blower are both arranged on the furnace body, the heat exchange box comprises a box body, a hot smoke inlet pipe, a cold smoke outlet pipe, a cold air inlet pipe, a hot air outlet pipe and a heat exchange pipe, the heat exchange pipe is arranged inside the box body, the hot smoke inlet pipe is arranged on the bottom surface of the box body, the upper end of the hot smoke inlet pipe is communicated with the inside of the box body, the lower end of the hot smoke inlet pipe is connected with a smoke outlet of the furnace body, the cold smoke outlet pipe is arranged on the top surface of the box body, the lower end of the cold smoke outlet pipe is communicated with the inside of the box body, the cold air inlet pipe and the hot air outlet pipe are both inserted from the top surface of the box body, the cold air inlet pipe and the hot air outlet pipe are respectively connected with both ends of the heat exchange pipe, and the upper end of the blower is connected with the blower, the hot air output pipe is connected with the burner.

Further, above-mentioned holding furnace with heat transfer function, wherein: the heat exchange tube comprises a plurality of U-shaped tubes, U-shaped surfaces of the U-shaped tubes are parallel to a horizontal plane and are stacked in the vertical direction to form a U-shaped tube group, and gaps exist among the U-shaped tubes.

Further, above-mentioned holding furnace with heat transfer function, wherein: the rod body of the cold air inlet pipe is communicated with one end of each U-shaped pipe, and the rod body of the hot air output pipe is communicated with the other end of each U-shaped pipe.

Further, the holding furnace with the heat exchange function is characterized in that: and heat insulation bricks are filled between the box body and the heat exchange tubes.

Further, the holding furnace with the heat exchange function is characterized in that: the furnace body top is equipped with the furnace roof, air-blower and heat transfer case all install on the furnace roof.

Still further, above-mentioned holding furnace with heat transfer function, wherein: the burner is inserted into the furnace body from the top of the furnace.

Compared with the prior art, the utility model discloses following beneficial effect has: (1) the utility model is provided with the heat exchange box, the heat exchange box exchanges heat with the hot smoke and the cold air in the furnace, the temperature of the hot smoke discharged by the furnace body is reduced, the service life of the burner is prolonged, and the stability of the operation of the furnace is improved; (2) the utility model discloses be connected exhaust hot-blast with the nozzle, supply with the nozzle and use, utilized the heat energy well, had fine energy-conserving effect.

Drawings

FIG. 1 is a front view of a holding furnace with heat exchange function of the present invention;

FIG. 2 is a right side view of the heat preservation furnace with heat exchange function of the present invention;

FIG. 3 is a front view of the heat exchange box;

FIG. 4 is a right side view of the heat exchange box;

FIG. 5 is a top view of the heat exchange box;

in the figure: 1-a furnace body; 11-a furnace roof; 2-a heat exchange box; 21-hot smoke inlet pipe; 22-a cold smoke exhaust pipe; 23-a cold air inlet pipe; 24-a hot air output pipe; 25-heat exchange tube; 26-insulating bricks; 3-a blower; 4-burner.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-5, a heat preservation furnace with heat exchange function comprises a furnace body 1, a heat exchange box 2, a blower 3 and a burner 4, wherein the burner 4 is inserted into the furnace body 1, the heat exchange box 2 and the blower 3 are both mounted on the furnace body 1, the heat exchange box 2 comprises a box body, a hot smoke inlet pipe 21, a cold smoke outlet pipe 22, a cold air inlet pipe 23, a hot air outlet pipe 24, a heat exchange pipe 25 and heat preservation bricks 26, the heat exchange pipe 25 is mounted inside the box body, the hot smoke inlet pipe 21 is mounted on the bottom surface of the box body, the upper end of the hot smoke inlet pipe 21 is communicated with the inside of the box body, the lower end of the hot smoke inlet pipe 21 is connected with a smoke outlet of the furnace body 1, the cold smoke outlet pipe 22 is mounted on the top surface of the box body, the lower end of the cold smoke outlet pipe 22 is communicated with the inside of the box body, the cold air inlet pipe 23 and the hot air outlet pipe 24 are both inserted from the top surface of the box body, and the cold air inlet pipe 23 and the hot air outlet pipe 24 are respectively connected with both ends of the heat exchange pipe 25, the upper end of the cold air inlet pipe 23 is connected with the blower 3, and the hot air outlet pipe 24 is connected with the burner 4.

Preferably, as shown in fig. 3 to 5, insulating bricks 26 are filled between the tank and the heat exchange tubes 25, and the heat exchange tubes comprise a plurality of U-shaped tubes, each of which has a U-shaped surface parallel to the horizontal plane and is stacked in the vertical direction to form a U-shaped tube group, with a gap between each of the U-shaped tubes. The rod body of the cold air inlet pipe 23 is communicated with one end of each U-shaped pipe, and the rod body of the hot air outlet pipe 24 is communicated with the other end of each U-shaped pipe.

Preferably, as shown in fig. 1 and 2, a furnace top 11 is arranged at the top of the furnace body 1, the blower 3 and the heat exchange box 2 are both mounted on the furnace top 11, and the burner 4 is inserted into the furnace body 1 from the furnace top.

The utility model discloses the theory of operation as follows: when the heat preservation furnace works, discharged hot smoke enters the box body of the heat exchange box 2 from the hot smoke inlet pipe 21, meanwhile, the air blower 3 outputs cold air to enter the heat exchange pipe 25 from the cold air inlet pipe 23, the hot smoke and the cold air carry out heat exchange, the hot smoke is discharged from the cold smoke discharge pipe 22 after being cooled, and the cold air is input into the burner through the hot air output pipe 24 after being heated.

As can be seen from the above description, the utility model is provided with the heat exchange box 2, the heat exchange is carried out on the hot smoke and the cold air in the furnace through the heat exchange box 2, the temperature of the hot smoke discharged by the furnace body is reduced, the service life of the burner 4 is prolonged, and the stability of the operation of the furnace is improved; and the hot air exhausted after the heat exchange is connected with the burner 4 and supplied to the burner 4 for use, so that the heat energy is well utilized, and the energy-saving effect is good.

Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.

Claims

1. A heat preservation furnace with a heat exchange function comprises a furnace body (1), a heat exchange box (2), a blower (3) and a burner (4), wherein the burner (4) is inserted into the furnace body (1), the heat exchange box (2) and the blower (3) are both arranged on the furnace body (1), the heat exchange box (2) comprises a box body, a hot smoke inlet pipe (21), a cold smoke discharge pipe (22), a cold air inlet pipe (23), a hot air outlet pipe (24) and a heat exchange pipe (25), the heat exchange pipe (25) is arranged inside the box body, the hot smoke inlet pipe (21) is arranged on the bottom surface of the box body, the upper end of the hot smoke inlet pipe (21) is communicated with the inside of the box body, the lower end of the hot smoke inlet pipe (21) is connected with a smoke outlet of the furnace body (1), the cold smoke discharge pipe (22) is arranged on the top surface of the box body, and the lower end of the cold smoke discharge pipe (22) is communicated with the inside of the box body, the cold air inlet pipe (23) and the hot air outlet pipe (24) are inserted from the top surface of the box body, the cold air inlet pipe (23) and the hot air outlet pipe (24) are respectively connected with two ends of the heat exchange pipe (25), the upper end of the cold air inlet pipe (23) is connected with the air blower (3), and the hot air outlet pipe (24) is connected with the burner (4).

2. The holding furnace with the heat exchange function according to claim 1, characterized in that: the heat exchange tube (25) comprises a plurality of U-shaped tubes, U-shaped surfaces of the U-shaped tubes are parallel to the horizontal plane and are stacked in the vertical direction to form a U-shaped tube group, and gaps exist among the U-shaped tubes.

3. The holding furnace with the heat exchange function as claimed in claim 2, wherein: the rod body of the cold air inlet pipe (23) is communicated with one end of each U-shaped pipe, and the rod body of the hot air outlet pipe (24) is communicated with the other end of each U-shaped pipe.

4. The holding furnace with the heat exchange function according to claim 1, characterized in that: and heat-insulating bricks (26) are filled between the box body and the heat exchange tubes (25).

5. The holding furnace with the heat exchange function according to claim 1, characterized in that: the furnace body (1) top is equipped with furnace roof (11), air-blower (3) and heat transfer case (2) are all installed on furnace roof (11).

6. The holding furnace with the heat exchange function according to claim 5, characterized in that: the burner (4) is inserted into the furnace body (1) from the top of the furnace.