CN215261190U

CN215261190U - Cupola furnace convenient for replacing energy-saving device

Info

Publication number: CN215261190U
Application number: CN202120682744.1U
Authority: CN
Inventors: 吕荣伏
Original assignee: Shandong Tiege Furnace Industry Co ltd
Current assignee: Shandong Tiege Furnace Industry Co ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-12-21
Anticipated expiration: 2031-04-02

Abstract

The utility model provides an iron melting furnace convenient for replacing an energy-saving device, which comprises an exhaust pipe and an extension pipe, wherein the bottom of the exhaust pipe is provided with a heat exchange pipe, and the top end of the exhaust pipe is of a closed flange structure; the extension pipe install in the bottom of heat exchange tube, and the axis of heat exchange tube, the axis of extension pipe and the axis of blast pipe are all on same vertical straight line, be provided with the heat exchange tube, the internally mounted of heat exchange tube has the module that catchments, the basin, the heat transfer log raft, inlet tube and drain pipe, through inlet tube and drain pipe cooperation module that catchments and the inside formation rivers circulation of heat exchange tube, when the flue gas passes the heat transfer log raft, heat transfer to aquatic in the flue gas, accomplish whole heat transfer process, because the top of heat exchange tube is binding off structure, consequently can increase the atmospheric pressure in the heat exchange tube temporarily, and because the certain effect that blocks of baffle, make the flue gas stop the time increase in the heat exchange tube, further increase heat exchange efficiency.

Description

Cupola furnace convenient for replacing energy-saving device

Technical Field

The utility model belongs to the technical field of the cupola is relevant, especially, relate to a cupola convenient to change economizer.

Background

Cupola is a shaft furnace used for melting pig iron for casting iron, and the lining is made of refractory bricks, metal, coke and flux, and the blast is from near the bottom, and the cupola is the most widely used, and three-section furnace or batch furnace is also used in small-scale casting production; when high-quality or special cast iron is smelted, a reverberatory furnace, an electric arc furnace, an induction furnace and the like are also commonly used.

The smoke exhaust pipeline of the currently used cupola is generally in a straight-tube type pipeline structure, smoke in the cupola directly exhausts into a flue to cause a large amount of heat loss, and simultaneously, the cupola tail and a chimney interface are easy to burn and damage, so that inconvenience exists when the cupola is used.

SUMMERY OF THE UTILITY MODEL

In view of the above disadvantages, the utility model provides an iron melting furnace convenient for replacing an energy-saving device.

The utility model provides a technical scheme that its technical problem adopted is: a cupola furnace convenient for replacing an energy-saving device comprises an exhaust pipe and an extension pipe, wherein the bottom of the exhaust pipe is provided with a heat exchange pipe, and the top end of the exhaust pipe is of a closed flange structure; the extension pipe is installed at the bottom of the heat exchange pipe, and the axis of the heat exchange pipe, the axis of the extension pipe and the axis of the exhaust pipe are all on the same vertical straight line.

As optimization, the lower end of the outer wall of the exhaust pipe is provided with an outer guard plate, the bottom of the outer guard plate is provided with three upright posts, and the number of the upright posts is three; the inner wall lower extreme of blast pipe install the spring board, and the spring board is the loop configuration, the axis of spring board and the axis of blast pipe are on same vertical straight line simultaneously.

As optimization, the top end of the heat exchange tube is provided with an air inlet tube, the heat exchange tube is connected with the bottom of the air outlet tube in an embedded manner, the top end of the heat exchange tube is of a closed structure, and the top end of the outer wall of the heat exchange tube is tightly attached to the spring plate; the baffle is arranged at the top end of the inner wall of the air inlet pipe, and the baffle is connected with the air inlet pipe in a rotating manner; the inner wall of the heat exchange tube is provided with two water collecting modules, and the two water collecting modules are symmetrically arranged about the central axis of the heat exchange tube.

As optimization, the water collecting module comprises a water inlet pipe and a water outlet pipe, a water tank is arranged in the water collecting module, heat exchange water is arranged between the two water collecting modules, and the heat exchange water is communicated with the water tanks in the two water collecting modules; the inlet tube and the drain pipe all be the symmetry formula about the axis of heat exchange tube and be provided with two, and two inlet tubes and two drain pipes are installed respectively in the both sides of heat exchange tube, two inlet tubes and two drain pipes communicate the basin in two collection water module respectively simultaneously.

Preferably, the bottom of the extension pipe is provided with a backing ring, and the extension pipe is connected with the backing ring in an embedded manner.

The utility model has the advantages that:

1. the utility model discloses be provided with the heat exchange tube, the internally mounted of heat exchange tube has catchment module, basin, heat transfer water row, inlet tube and drain pipe, cooperate catchment module and heat transfer water row through inlet tube and drain pipe and form the rivers circulation in the inside of heat exchange tube, when the flue gas passes the heat transfer water row, the heat in the flue gas is transmitted to the aquatic, accomplish whole heat transfer process, because the top of heat exchange tube is binding off the structure, consequently can increase the atmospheric pressure in the heat exchange tube temporarily, and because the certain barrier effect of baffle, make the flue gas stop the time increase in the heat exchange tube, further increase heat exchange efficiency;

2. the utility model discloses be provided with extension pipe and backing ring, the extension pipe is installed between the bottom of heat exchange tube and cupola furnace, can improve the dismouting convenience of heat exchange tube through dismantling the extension pipe, and independent backing ring is installed to the inner wall of extension pipe simultaneously, is convenient for change according to the degree of wear of backing ring, has improved holistic practicality.

Drawings

Fig. 1 is a front view structure diagram of the present invention.

Fig. 2 is a schematic top view of the present invention.

Fig. 3 is a schematic view of the vertical cross-section structure of the present invention.

Fig. 4 is a schematic cross-sectional structure diagram of the heat exchange tube of the present invention.

Fig. 5 is a schematic cross-sectional structure diagram of the middle extension pipe of the present invention.

In the figure:

1. an exhaust pipe; 2. an outer shroud; 3. a column; 4. a spring plate; 5. a heat exchange pipe; 6. an air inlet pipe; 7. a baffle plate; 8. a water collection module; 9. a water tank; 10. the heat exchange water is discharged; 11. a water inlet pipe; 12. a drain pipe; 13. an extension tube; 14. a backing ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

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 the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

The cupola furnace convenient for replacing the energy-saving device as shown in the attached fig. 1 to 5 comprises an exhaust pipe 1 and an extension pipe 13, wherein the bottom of the exhaust pipe 1 is provided with a heat exchange pipe 5, and the top end of the exhaust pipe 1 is of a closed flange structure; the extension pipe 13 is arranged at the bottom of the heat exchange pipe 5, and the central axis of the heat exchange pipe 5, the central axis of the extension pipe 13 and the central axis of the exhaust pipe 1 are all on the same vertical straight line.

In this embodiment, the lower end of the outer wall of the exhaust pipe 1 is provided with an outer guard plate 2, the bottom of the outer guard plate 2 is provided with three upright posts 3, and the number of the upright posts 3 is three; the inner wall lower extreme of blast pipe 1 install spring plate 4, and spring plate 4 is the loop configuration, the axis of spring plate 4 and the axis of blast pipe 1 are on same vertical straight line simultaneously.

In the embodiment, the top end of the heat exchange tube 5 is provided with the air inlet tube 6, the heat exchange tube 5 is connected with the bottom of the exhaust tube 1 in an embedded manner, the top end of the heat exchange tube 5 is of a closed structure, and the top end of the outer wall of the heat exchange tube 5 is tightly attached to the spring plate 4; the baffle 7 is arranged at the top end of the inner wall of the air inlet pipe 6, and the baffle 7 is rotatably connected with the air inlet pipe 6; the inner wall of the heat exchange tube 5 is provided with two water collecting modules 8, and the two water collecting modules 8 are symmetrically arranged about the central axis of the heat exchange tube 5.

In this embodiment, the water collecting module 8 includes a water inlet pipe 11 and a water outlet pipe 12, a water tank 9 is disposed inside the water collecting module 8, a heat exchange water discharge 10 is installed between the two water collecting modules 8, and the heat exchange water discharge 10 is communicated with the water tank 9 in the two water collecting modules 8; the inlet tube 11 and the drain pipe 12 are provided with two symmetrically about the central axis of the heat exchange tube 5, and two inlet tubes 11 and two drain pipes 12 are respectively installed on two sides of the heat exchange tube 5, and the two inlet tubes 11 and the two drain pipes 12 are respectively communicated with the water tank 9 in the two water collection modules 8.

In this embodiment, a gasket ring 14 is installed at the bottom of the extension pipe 13, and the extension pipe 13 and the gasket ring 14 are connected in an embedded manner.

The working principle is as follows: the utility model discloses in, at first insert the external circulation rivers pipeline with basin 9 and heat transfer log raft 10 through drain pipe 12 cooperation extension pipe 13 before the use, when using, the flue gas passes backing ring 14 and extension pipe 13 and enters into the inside back of heat exchange tube 5, heat in the flue gas can be fast through heat transfer log raft 10 transfer to the inside aquatic of flowing of heat transfer log raft 10 and then accomplish the heat transfer process, the heat of flue gas descends simultaneously, the flue gas promotes baffle 7 at the in-process of rebound and upwards overturns and pass intake pipe 6 and enter into inside blast pipe 1, discharge through 1 top of blast pipe at last can.

The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the forms and styles of the above embodiments, and any suitable changes or modifications made thereto by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a cupola furnace convenient to change economizer which characterized in that: the heat exchange tube comprises an exhaust tube (1) and an extension tube (13), wherein a heat exchange tube (5) is installed at the bottom of the exhaust tube (1), and the top end of the exhaust tube (1) is of a closed flange structure; the extension pipe (13) is arranged at the bottom of the heat exchange pipe (5), and the central axis of the heat exchange pipe (5), the central axis of the extension pipe (13) and the central axis of the exhaust pipe (1) are all on the same vertical straight line.

2. The cupola furnace for facilitating the replacement of the economizer of claim 1, wherein: the lower end of the outer wall of the exhaust pipe (1) is provided with an outer guard plate (2), the bottom of the outer guard plate (2) is provided with three upright posts (3), and the number of the upright posts (3) is three; the inner wall lower extreme of blast pipe (1) install spring board (4), and spring board (4) are the loop configuration, the axis of spring board (4) and the axis of blast pipe (1) are on same vertical straight line simultaneously.

3. The cupola furnace for facilitating the replacement of the economizer of claim 1, wherein: the top end of the heat exchange tube (5) is provided with an air inlet tube (6), the heat exchange tube (5) is connected with the bottom of the exhaust tube (1) in an embedded mode, the top end of the heat exchange tube (5) is of a closed structure, and the top end of the outer wall of the heat exchange tube (5) is tightly attached to the spring plate (4); the baffle (7) is mounted at the top end of the inner wall of the air inlet pipe (6), and the baffle (7) is rotatably connected with the air inlet pipe (6); the inner wall of the heat exchange tube (5) is provided with two water collecting modules (8), and the two water collecting modules (8) are symmetrically arranged about the central axis of the heat exchange tube (5).

4. The cupola furnace for facilitating the replacement of the economizer of claim 3, wherein: the water collecting modules (8) comprise water inlet pipes (11) and water outlet pipes (12), water tanks (9) are formed in the water collecting modules (8), heat exchange water discharge (10) is installed between the two water collecting modules (8), and the heat exchange water discharge (10) is communicated with the water tanks (9) in the two water collecting modules (8); inlet tube (11) and drain pipe (12) all be the symmetry about the axis of heat exchange tube (5) and be provided with two, and install respectively in the both sides of heat exchange tube (5) two inlet tube (11) and two drain pipe (12), two inlet tube (11) and two drain pipe (12) communicate basin (9) in two collection water module (8) respectively simultaneously.

5. The cupola furnace for facilitating the replacement of the economizer of claim 1, wherein: the bottom of extension pipe (13) install backing ring (14), and extension pipe (13) and the connected mode of backing ring (14) be connected for the mosaic.