CN211651249U

CN211651249U - Preheating furnace with good heat conduction effect

Info

Publication number: CN211651249U
Application number: CN201921873534.XU
Authority: CN
Inventors: 宋中军; 宋承泽
Original assignee: Yancheng Weipu Machinery Manufacturing Co ltd
Current assignee: Yancheng Weipu Machinery Manufacturing Co ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-10-09
Anticipated expiration: 2029-11-04

Abstract

The utility model discloses a preheating furnace that heat conduction effect is good, including preheating furnace shell, heating chamber, teeter chamber, first blast pipe, first heating chamber, second heating chamber and water tank, it is provided with the water tank shell to preheat furnace shell upside, the air inlet has been run through in the heating chamber left side, the teeter chamber right side is provided with driving motor, first blast pipe one end has run through the teeter chamber, the water tank upside has run through the water inlet, the second heating chamber right side has run through the pipe of discharging fume, activated carbon filter screen right side is provided with sealed outdoor shell, all be provided with the heat preservation on heating chamber, teeter chamber, preheating chamber, first blast pipe and the first heating chamber inner wall. This preheating furnace that heat conduction effect is good is provided with puddler and heat preservation, and the setting of puddler ensures that steam is more even, and the heat preservation keeps warm to the steam after the stirring, and last steam gets into first heating chamber, and the heat-conducting plate in the first heating chamber carries out the heat conduction, ensures like this that the heat-conducting plate is heated evenly, ensures heat conduction effect.

Description

Preheating furnace with good heat conduction effect

Technical Field

The utility model relates to a preheater technical field specifically is a preheater that heat conduction effect is good.

Background

The preheating furnace is used when low-quality fuel (mainly low-calorific-value fuel such as blast furnace gas, hot gas and tail gas) or air passes through a heat exchanger to exchange heat in high-temperature flue gas of the heating furnace, and workpieces are required to be preheated when processed in a factory.

The existing preheating furnace can not conduct heat better and more uniformly, the quality of a workpiece can be affected due to uneven heating after the workpiece is preheated, and the residual waste heat after the workpiece is preheated by the preheating furnace is not recycled and is directly discharged into the air, so that resources are wasted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a preheating furnace that heat conduction effect is good to solve the current preheating furnace that provides in the above-mentioned background art can not be better more even carry out heat conduction, can the work piece can influence the quality because of being heated inequality after preheating the work piece, and the preheating furnace preheats the surplus waste heat after using to the work piece and does not recycle, directly arranges into the air, the problem of extravagant resource.

In order to achieve the above object, the utility model provides a following technical scheme: a preheating furnace with good heat conduction effect comprises a preheating furnace shell, a heating chamber, a stirring chamber, a first exhaust pipe, a first heating chamber, a second heating chamber and a water tank, wherein a water tank shell is arranged on the upper side of the preheating furnace shell, an air inlet is formed in the left side of the heating chamber in a penetrating mode, an igniter is formed in the right side of the heating chamber in a penetrating mode, an air outlet is formed in the upper side of the heating chamber in a penetrating mode, a driving motor is arranged on the right side of the stirring chamber and is connected with a stirring rod in a rotating mode, the stirring rod is arranged in the stirring chamber, a first exhaust pipe penetrates through one end of the first exhaust pipe, a first exhaust pipe penetrates through the first exhaust pipe, a preheating chamber penetrates through one end of the first exhaust pipe, a water inlet is formed in the upper side of the water tank, a water outlet is formed in the right side of the water tank in a penetrating mode, activated carbon filter screen right side is provided with sealed outdoor shell, and inlays on the sealed outdoor shell and have sealed lid, all be provided with the heat preservation on heating chamber, teeter chamber, preheating chamber, first blast pipe, first trachea and the first heating chamber inner wall.

Preferably, the preheating furnace shell is internally provided with a heating chamber, a stirring chamber and a preheating chamber, the upper side of the heating chamber is provided with the stirring chamber, and the upper side of the stirring chamber is provided with the preheating chamber.

Preferably, the inner diameter of the first branch pipe is larger than that of the second branch pipe.

Preferably, a first heating chamber is arranged in the preheating chamber, a slide is fixed on the inner wall of the first heating chamber, the slide is connected with a drawing box in a sliding mode, a heat conducting plate is arranged on the lower side of the drawing box, one end of the second gas distribution pipe penetrates through the first heating chamber, and a second exhaust pipe penetrates through the other end of the second gas distribution pipe.

Preferably, a second heating chamber penetrates through the upper side of the second exhaust pipe, a water tank is arranged on the upper side of the second heating chamber, and the water tank and the second heating chamber are both arranged inside the water tank shell.

Preferably, the activated carbon filter screen is provided with two layers, and the grid density of the activated carbon filter screen on the upper layer is smaller than that of the activated carbon filter screen on the lower layer.

Preferably, a sealing ring is arranged on the sealing cover.

Compared with the prior art, the beneficial effects of the utility model are that: the preheating furnace with good heat conduction effect is provided,

(1) the heating device is provided with the stirring rod and the heat-insulating layer, hot air in the heating chamber is stirred by the stirring rod, uneven hot air is uniformly stirred, the hot air after uniform stirring enters the first exhaust pipe and the first gas distribution pipe, the heat-insulating layer in the first exhaust pipe and the first gas distribution pipe is used for heat insulation, the hot air finally enters the first heating chamber, and the heat conducting plate in the first heating chamber conducts heat, so that the uniform heating of the heat conducting plate is ensured, and the heat conducting effect is ensured;

(2) be provided with water tank and active carbon filter screen, the waste heat after the preheating chamber used up gets into the second heating chamber through second blast pipe and second gas distribution pipe to water tank on the second heating chamber carries out heat treatment, recycles the waste heat like this, reduces the wasting of resources, and the setting of active carbon filter screen filters the waste heat after using, adsorbs the harmful gas in the waste heat, ensures to emit into other qualities in the air, pollution abatement.

Drawings

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

FIG. 2 is a schematic view of the distribution structure of the heat insulating layer on the first exhaust pipe;

fig. 3 is a schematic diagram of the distribution structure of the slide rails on the first heating chamber according to the present invention.

Fig. 4 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention.

In the figure: 1. the preheating furnace comprises a preheating furnace shell, 2, a heating chamber, 3, a stirring chamber, 4, a preheating chamber, 5, a water tank shell, 6, an air inlet, 7, an igniter, 8, a driving motor, 9, a stirring rod, 10, a first exhaust pipe, 11, a first branch air pipe, 12, a slide way, 13, a drawing box, 14, a first heating chamber, 15, a second exhaust pipe, 16, a second branch air pipe, 17, a second heating chamber, 18, a water tank, 19, a water inlet, 20, a water outlet, 21, a smoke exhaust pipe, 22, an activated carbon filter screen, 23, a sealing chamber shell, 24, a sealing cover, 25, a heat insulation layer, 26, an air outlet, 27 and a heat conduction plate.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a preheating furnace with good heat conduction effect is disclosed, as shown in figure 1, figure 2 and figure 3, a heating chamber 2, a stirring chamber 3 and a preheating chamber 4 are arranged inside a preheating furnace shell 1, the stirring chamber 3 is arranged on the upper side of the heating chamber 2, the preheating chamber 4 is arranged on the upper side of the stirring chamber 3, a water tank shell 5 is arranged on the upper side of the preheating furnace shell 1, an air inlet 6 penetrates through the left side of the heating chamber 2, an igniter 7 penetrates through the right side of the heating chamber 2, an air outlet 26 penetrates through the upper side of the heating chamber 2, a driving motor 8 is arranged on the right side of the stirring chamber 3, the driving motor 8 is rotatably connected with a stirring rod 9, the stirring rod 9 is arranged inside the stirring chamber 3, one end of a first exhaust pipe 10 penetrates through the stirring chamber 3, a first exhaust pipe 11 penetrates through the first exhaust pipe 10, one end of the first exhaust pipe 11 penetrates through the preheating chamber 4, a first heating chamber, the inner wall of the first heating chamber 14 is fixed with a slideway 12, the slideway 12 is connected with a drawing box 13 in a sliding way, the lower side of the drawing box 13 is provided with a heat conducting plate 27, the first heating chamber 14 is provided with four first heating chambers 14 which are distributed in the preheating chamber 4 at equal intervals, the number of the preheating workpieces is increased by the arrangement of the four first heating chambers 14, the preheating time of the whole workpiece is shortened, and the workpieces are placed by the drawing box, so that the workpieces can be conveniently taken, the operation is simple and convenient, one end of the second gas distributing pipe 16 penetrates through the first heating chamber 14, the other end of the second gas distributing pipe 16 penetrates through the second gas exhausting pipe 15, the upper side of the second gas exhausting pipe 15 penetrates through the second heating chamber 17, the upper side of the second heating chamber 17 is provided with a water tank 18, meanwhile, the water tank 18 and the second heating chamber 17 are both arranged in the water, the inner diameter of the second gas distributing pipe 16 is smaller than that of the first gas distributing pipe 11, so that excessive hot gas is prevented from entering the second gas distributing pipe 16 from the inside of the first heating chamber 14, the heat conduction effect of the heat conduction plate 27 in the first heating chamber 14 is influenced, and the preheating of workpieces is finally influenced.

As shown in fig. 1 and 4, a water inlet 19 penetrates through the upper side of the water tank 18, a water outlet 20 penetrates through the right side of the water tank 18, a smoke exhaust pipe 21 penetrates through the right side of the second heating chamber 17, an activated carbon filter screen 22 is connected to the inside of the smoke exhaust pipe 21 in a sliding manner, two layers of activated carbon filter screens 22 are arranged, the grid density of the upper layer of activated carbon filter screen 22 is smaller than that of the lower layer of activated carbon filter screen 22, a sealing ring is arranged on the sealing cover 24, the sealing ring can prevent waste heat from being exhausted from the joint of the sealing cover 24 and the sealing chamber housing 23, harmful gas in the waste heat directly enters the air to pollute the air, the harmful gas in the used waste heat is adsorbed by the two layers of activated carbon filter screens 22, the gas in the exhausted air is ensured to reach the standard, the atmospheric pollution is reduced, the sealing chamber housing 23 is arranged on the right, the inner walls of the heating chamber 2, the stirring chamber 3, the preheating chamber 4, the first exhaust pipe 10, the first gas distribution pipe 11 and the first heating chamber 14 are all provided with heat preservation layers 25.

The working principle is as follows: when the preheating furnace with good heat conduction effect is used, an external power supply is switched on, a workpiece is placed on the pulling box 13, the pulling box 13 is pushed backwards and is placed in the first heating chamber 14, water is stored in the water tank 18 through the water inlet 19, natural gas enters the heating chamber 2 through the air inlet 6, the igniter 7 ignites the natural gas, hot air at the upper end enters the stirring chamber 3 through the air outlet 26, the driving motor 8 is started, the driving motor 8 rotates to drive the stirring rod 9 to rotate, the stirring rod 9 rotates to uniformly stir the non-uniform hot air entering the stirring chamber 3, the stirred hot air enters the first exhaust pipe 10, the hot air enters the first exhaust pipe 11 through the first exhaust pipe 10, the hot air enters the first heating chamber 14 through the first exhaust pipe 11, the heat conduction plate 27 in the first heating chamber 14 conducts heat, and preheats the workpiece on the pulling box 13 after heat conduction, the redundant hot air enters the second air distributing pipe 16 at the left end of the first heating chamber 14, the redundant hot air enters the second exhaust pipe 15 through the second air distributing pipe 16, the hot air is exhausted into the second heating chamber 17 from the second exhaust pipe 15, the water tank 18 on the second heating chamber 17 is heated, the used hot air finally enters the exhaust pipe 21, the activated carbon filter screen 22 in the exhaust pipe 21 is filtered, and finally the hot air is exhausted into the air.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

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 may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a preheating furnace that conduction of heat is effectual, includes preheating furnace shell (1), heating chamber (2), teeter chamber (3), first blast pipe (10), first heating chamber (14), second heating chamber (17) and water tank (18), its characterized in that: the preheating furnace is characterized in that a water tank shell (5) is arranged on the upper side of the preheating furnace shell (1), an air inlet (6) penetrates through the left side of the heating chamber (2), an igniter (7) penetrates through the right side of the heating chamber (2), an air outlet (26) penetrates through the upper side of the heating chamber (2), a driving motor (8) is arranged on the right side of the stirring chamber (3), the driving motor (8) is rotatably connected with a stirring rod (9), the stirring rod (9) is arranged inside the stirring chamber (3), one end of a first exhaust pipe (10) penetrates through the stirring chamber (3), a first exhaust pipe (11) penetrates through the first exhaust pipe (10), a preheating chamber (4) penetrates through one end of the first exhaust pipe (11), a water inlet (19) penetrates through the upper side of the water tank (18), a water outlet (20) penetrates through the right side of the water tank (18), a smoke exhaust pipe (21) penetrates through the right side of the second heating chamber (17, and the inside sliding connection of tub (21) of discharging fume has active carbon filter screen (22), active carbon filter screen (22) right side is provided with sealed outdoor shell (23), and inlays on sealed outdoor shell (23) and have sealed lid (24), all be provided with heat preservation (25) on heating chamber (2), teeter chamber (3), preheating chamber (4), first exhaust pipe (10), first trachea (11) and first heating chamber (14) inner wall.

2. The preheating furnace with good heat conduction effect as claimed in claim 1, wherein: the preheating furnace is characterized in that a heating chamber (2), a stirring chamber (3) and a preheating chamber (4) are arranged in the preheating furnace shell (1), the stirring chamber (3) is arranged on the upper side of the heating chamber (2), and the preheating chamber (4) is arranged on the upper side of the stirring chamber (3).

3. The preheating furnace with good heat conduction effect as claimed in claim 1, wherein: the inner diameter of the first gas distribution pipe (11) is larger than that of the second gas distribution pipe (16).

4. The preheating furnace with good heat conduction effect as claimed in claim 3, wherein: be provided with first heating chamber (14) in preheating chamber (4), and be fixed with slide (12) on first heating chamber (14) inner wall, slide (12) sliding connection has pull box (13), and pull box (13) downside is provided with heat-conducting plate (27), second gas distribution pipe (16) one end is run through and is had first heating chamber (14), and second gas distribution pipe (16) other end runs through and has second blast pipe (15).

5. The preheating furnace with good heat conduction effect as claimed in claim 4, wherein: and a second heating chamber (17) penetrates through the upper side of the second exhaust pipe (15), a water tank (18) is arranged on the upper side of the second heating chamber (17), and meanwhile, the water tank (18) and the second heating chamber (17) are arranged inside the water tank shell (5).

6. The preheating furnace with good heat conduction effect as claimed in claim 1, wherein: the active carbon filter screen (22) is provided with two layers, and the grid density of the active carbon filter screen (22) on the upper layer is smaller than that of the active carbon filter screen (22) on the lower layer.

7. The preheating furnace with good heat conduction effect as claimed in claim 1, wherein: and a sealing ring is arranged on the sealing cover (24).