CN219581657U

CN219581657U - Energy-saving baking equipment

Info

Publication number: CN219581657U
Application number: CN202320913963.5U
Authority: CN
Inventors: 晁在功; 张宝云; 刘迁; 雷星星; 秦晓晓
Original assignee: Luoyang Shengxin Ind & Mining Equipment Co ltd
Current assignee: Luoyang Shengxin Ind & Mining Equipment Co ltd
Priority date: 2023-04-21
Filing date: 2023-04-21
Publication date: 2023-08-25
Anticipated expiration: 2033-04-21

Abstract

The utility model discloses energy-saving baking equipment, which comprises a ladle cover, a burner, a gas pipeline communicated with a gas inlet of the burner, a combustion air pipeline communicated with a combustion air inlet of the burner and a flue gas pipeline used for discharging high-temperature flue gas on the ladle cover, and is characterized in that: the device also comprises a blower, a first air pipeline, an induced draft fan, a second air pipeline and a heat exchanger; the heat exchanger comprises a shell, partition boards and heat conducting pipes, wherein the shell is a box body with a cavity, two partition boards are arranged in the shell at intervals to form a high-temperature flue gas circulation area between the two partition boards, and a combustion air circulation area is formed between any partition board and any one of two opposite inner walls of the shell. According to the utility model, the discharged high-temperature flue gas is used for heating the combustion air, so that heat is transferred to the combustion air, and the high-temperature combustion air enters the steel ladle to realize the recycling of heat, so that the energy is saved, the environment is protected, and the resource waste is avoided.

Description

Energy-saving baking equipment

Technical Field

The utility model relates to the technical field of baking equipment, in particular to energy-saving baking equipment.

Background

The ladle is generally baked after being newly built and before being filled with molten steel, and the device for baking the ladle is called ladle baking equipment.

The baking equipment needs to discharge high-temperature flue gas generated in the ladle in the baking process, and if the high-temperature flue gas is directly discharged, the high-temperature heat loss is caused, so that the resource waste is caused, and the baking equipment capable of reusing the heat of the high-temperature flue gas is needed.

Disclosure of Invention

The utility model aims to solve the problems and provide the energy-saving baking equipment, which adopts the discharged high-temperature flue gas to heat the combustion air, so that heat is transferred to the combustion air, and the high-temperature combustion air enters the ladle to realize the recycling of the heat, thereby being more energy-saving and environment-friendly and avoiding the waste of resources.

The utility model realizes the above purpose through the following technical scheme:

the utility model provides an energy-saving baking equipment, includes ladle lid, combustor, with the gas pipeline of the gas entry intercommunication of combustor, with the combustion air pipeline of the combustion air entry intercommunication of combustor and ladle cover the flue gas pipeline that is used for discharging high temperature flue gas, its characterized in that: the device also comprises a blower, a first air pipeline, an induced draft fan, a second air pipeline and a heat exchanger;

the heat exchanger comprises a shell, partition boards and heat conduction pipes, wherein the shell is a box body with a cavity, two partition boards are arranged in the shell at intervals to form a high-temperature smoke circulation area between the two partition boards, a combustion air circulation area is formed between any partition board and any one of the two opposite inner walls of the shell, the partition boards are in sealing connection with the inner wall of the shell, and a plurality of heat conduction pipes in the high-temperature smoke circulation area are communicated between the two partition boards;

the blower is communicated with one combustion air circulation area of the heat exchanger through a first air pipeline, one end of the combustion air pipeline, which is away from the burner, is communicated with the other combustion air circulation area of the heat exchanger, the induced draft fan is communicated with a high-temperature smoke circulation area outlet of the heat exchanger through a second air pipeline, and the smoke pipeline is communicated with a high-temperature smoke circulation area inlet of the heat exchanger.

Preferably, the heat exchanger further comprises heat conduction scales and spoilers, the heat conduction scales are arranged on the heat conduction pipes, the heat conduction pipes are arranged in multiple layers, spoilers are arranged between two adjacent layers, two edges of each spoiler are in sealing connection with the partition plate, the other edge of each spoiler is in sealing connection with the shell, a channel is formed between one edge of each spoiler and the shell, and the channels of two adjacent spoilers are opposite.

Preferably, the device further comprises a distribution main pipe, an annular connecting pipe and distribution branch pipes, wherein the distribution main pipe is communicated with the combustion air pipeline, the other end of the distribution main pipe is communicated with the annular connecting pipe, a plurality of distribution branch pipes extending into the steel ladle are communicated on the annular connecting pipe, and the distribution branch pipes are annularly arranged relative to the burner.

Preferably, the device further comprises an annular pipe and a smoke inlet pipe, wherein the annular pipe is annular and is arranged along the edge of the burner, and a plurality of smoke inlet pipes positioned in the ladle are communicated with the annular pipe.

Preferably, the shell is a rectangular box body, the partition plates are vertically arranged, the heat conducting pipes are horizontally arranged, and two ends of the heat conducting pipes are connected with the partition plates.

Preferably, the shell is made of heat-insulating materials, and the partition plate, the heat-conducting pipe and the spoiler are made of heat-conducting materials.

Compared with the prior art, the utility model heats the combustion air passing through the heat pipe by adopting the discharged high-temperature flue gas, so that the heat is transferred to the combustion air, and the high-temperature combustion air enters the ladle to realize the recycling of the heat, thereby being more energy-saving and environment-friendly and avoiding the waste of resources.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:

FIG. 1 is a first schematic construction of the present utility model;

FIG. 2 is a schematic diagram of the front view of the present utility model;

FIG. 3 is a second schematic structural view of the present utility model;

FIG. 4 is a schematic view of the internal structure of the heat exchanger of the present utility model;

fig. 5 is a schematic view of a spoiler of the utility model.

The reference numerals are explained as follows:

1. a ladle cover; 2. a burner; 3. a gas pipeline; 4. a combustion air duct; 5. a flue gas duct; 6. a housing; 7. a blower; 8. a first air duct; 9. an induced draft fan; 10. a second air duct; 11. a partition plate; 12. a heat conduction pipe; 13. heat conducting scales; 14. a spoiler; 15. a split manifold; 16. an annular connecting pipe; 17. a branch pipe; 18. a ring tube; 19. and a smoke inlet pipe.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like are all based on fig. 1 and are merely for convenience in describing the present utility model and to simplify the description, rather than to indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1 to 5, an energy-saving baking apparatus comprises a ladle cover 1, a burner 2, a gas pipeline 3 communicated with a gas inlet of the burner 2, a combustion air pipeline 4 communicated with a combustion air inlet of the burner 2, and a flue gas pipeline 5 for discharging high-temperature flue gas on the ladle cover 1, and is characterized in that: the device also comprises a blower 7, a first air pipeline 8, an induced draft fan 9, a second air pipeline 10 and a heat exchanger;

the heat exchanger comprises a shell 6, partition plates 11 and heat conducting pipes 12, wherein the shell 6 is a box body with a cavity so that air can circulate, two partition plates 11 are arranged in the shell 6 at intervals to form a high-temperature flue gas circulation area between the two partition plates 11, a combustion air circulation area is formed between any partition plate 11 and any one of two opposite inner walls of the shell 6, the partition plates 11 are in sealed connection with the inner walls of the shell 6, the sealed connection is welding so as to realize sealing, a plurality of heat conducting pipes 12 in the high-temperature flue gas circulation area are communicated between the two partition plates 11, and two ends of each heat conducting pipe 12 are communicated with the combustion air circulation area so that combustion air can pass through and be conveyed to a combustion air pipeline 4;

the blower 7 is communicated with one of the combustion air circulation areas of the heat exchanger through a first air pipeline 8, one end of the combustion air pipeline 4, which is away from the burner 2, is communicated with the other combustion air circulation area of the heat exchanger, the induced draft fan 9 is communicated with the outlet of the high-temperature smoke circulation area of the heat exchanger through a second air pipeline 10, and the smoke pipeline 5 is communicated with the inlet of the high-temperature smoke circulation area of the heat exchanger.

Specifically, place ladle lid 1 on the ladle through drive mechanism, then produce flame through combustor 2 and toast the ladle, the combustion air that needs in the toasting process produces the air current through starting air-blower 7 and send into the combustion air circulation zone in the casing 6 through first air pipe 8, then the air current gets into combustion air pipe 4 through heat pipe 12 again, make the air current can be to the combustion-supporting of combustor 2, the high temperature flue gas that produces in the ladle is discharged to the high temperature flue gas circulation zone in the casing 6 through gas pipe 3, then be taken away by draught fan 9, in this process high temperature flue gas heats the combustion air through heat pipe 12, the heat reenters the ladle, avoid heat loss, realize energy-conservation.

Preferably, the heat exchanger further comprises a heat conduction scale 13 and a spoiler 14, the heat conduction scale 13 is arranged on the heat conduction pipe 12, the heat conduction pipes 12 are arranged in multiple layers, the spoiler 14 is arranged between two adjacent layers, two edges of the spoiler 14 are in sealing connection with the partition plate 11, the other edge of the spoiler 14 is in sealing connection with the shell 6, a channel is formed between one edge of the spoiler 14 and the shell 6, and the channels of two adjacent spoilers 14 are opposite.

Specifically, the heat conduction scales 13 can increase the heat conductivity, so that heat can be better transferred to combustion air, the spoiler 14 guides high-temperature flue gas, and the high-temperature flue gas sequentially passes through each layer of heat conduction pipe 12 to heat each layer of heat conduction pipe 12, so that heat loss is reduced.

Preferably, the burner further comprises a distribution main pipe 15, an annular connecting pipe 16 and distribution branch pipes 17, wherein the distribution main pipe 15 is communicated with the combustion air pipeline 4, the other end of the distribution main pipe 15 is communicated with the annular connecting pipe 16, a plurality of distribution branch pipes 17 extending into the ladle are communicated on the annular connecting pipe 16, and the distribution branch pipes 17 are annularly arranged relative to the burner 2.

Specifically, the combustion air of the combustion air pipe 4 is split to the split manifold 15, and then discharged to the ladle through the split branch pipe 17 to support the flame.

Preferably, the burner further comprises a ring-shaped pipe 18 and a smoke inlet pipe 19, wherein the ring-shaped pipe 18 is annular and is arranged along the edge of the burner 2, and a plurality of smoke inlet pipes 19 positioned in the steel ladle are communicated with the ring-shaped pipe 18.

Specifically, the high-temperature flue gas enters the annular tube 18 through the smoke inlet tube 19 and then enters the flue gas pipeline 5, so that the flue gas can be better discharged.

Preferably, the housing 6 is a rectangular box, the partition 11 is vertically arranged, the heat conduction pipe 12 is horizontally arranged, and both ends are connected with the partition 11.

Preferably, the shell 6 is made of heat-insulating material to avoid heat loss, and the partition 11, the heat conducting pipe 12 and the spoiler 14 are made of heat conducting material to have better heat conductivity.

In the above-mentioned structure, place ladle lid 1 on the ladle through drive mechanism, then produce flame through combustor 2 and toast the ladle, the combustion-supporting air that needs in toasting the in-process produces the air current through starting air-blower 7 and send into in the casing 6 through first air duct 8, then the air current gets into combustion-supporting air duct 4 through heat pipe 12 again, make the air current can be to the combustion-supporting of combustor 2, the high temperature flue gas of production in the ladle is discharged to in the casing 6 through gas duct 3, then be taken away by draught fan 9, in this in-process high temperature flue gas heats the combustion-supporting air through heat pipe 12, the heat reenters the ladle, avoid the heat loss, realize energy-conservation.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an energy-saving baking equipment, includes ladle lid (1), combustor (2), with gas pipeline (3) of the gas entry intercommunication of combustor (2), with combustion air pipeline (4) of the combustion air entry intercommunication of combustor (2) and ladle lid (1) are last be used for discharging flue gas pipeline (5) of high temperature flue gas, its characterized in that: the heat exchanger also comprises a blower (7), a first air pipeline (8), an induced draft fan (9), a second air pipeline (10) and a heat exchanger;

the heat exchanger comprises a shell (6), partition boards (11) and heat conducting pipes (12), wherein the shell (6) is a box body with a cavity, two partition boards (11) are arranged in the shell (6) at intervals to form a high-temperature flue gas circulation area between the two partition boards (11), a combustion air circulation area is formed between any partition board (11) and any one of the two opposite inner walls of the shell (6), the partition boards (11) are in sealing connection with the inner walls of the shell (6), and a plurality of heat conducting pipes (12) which are positioned in the high-temperature flue gas circulation area are communicated between the two partition boards (11);

the air blower (7) is communicated with one combustion air circulation area of the heat exchanger through a first air pipeline (8), one end of the combustion air pipeline (4) deviating from the burner (2) is communicated with the other combustion air circulation area of the heat exchanger, the induced draft fan (9) is communicated with a high-temperature smoke circulation area outlet of the heat exchanger through a second air pipeline (10), and the smoke pipeline (5) is communicated with a high-temperature smoke circulation area inlet of the heat exchanger.

2. An energy efficient toasting apparatus as claimed in claim 1, wherein: the heat exchanger further comprises heat conduction scales (13) and spoilers (14), a plurality of heat conduction scales (13) are arranged on the heat conduction pipes (12), the heat conduction pipes (12) are arranged in multiple layers, spoilers (14) are arranged between two adjacent layers, two edges of each spoiler (14) are in sealing connection with the partition plate (11), the other edge of each spoiler (14) is in sealing connection with the shell (6), a channel is formed between one edge of each spoiler (14) and the shell (6), and the channels of the two adjacent spoilers (14) are opposite.

3. An energy efficient toasting apparatus as claimed in claim 1, wherein: still include reposition of redundant personnel house steward (15), annular connecting pipe (16), reposition of redundant personnel branch pipe (17), reposition of redundant personnel house steward (15) and combustion-supporting air pipeline (4) intercommunication, the other end and annular connecting pipe (16) intercommunication of reposition of redundant personnel house steward (15), annular connecting pipe (16) are last to communicate and have a plurality of reposition of redundant personnel branch pipes (17) that extend to in the ladle to reposition of redundant personnel branch pipe (17) are annular with combustor (2).

4. An energy efficient toasting apparatus as claimed in claim 1, wherein: the burner further comprises an annular pipe (18) and a smoke inlet pipe (19), wherein the annular pipe (18) is annular and is arranged along the edge of the burner (2), and a plurality of smoke inlet pipes (19) positioned in the ladle are communicated with the annular pipe (18).

5. An energy efficient toasting apparatus as claimed in claim 1, wherein: the shell (6) is a rectangular box body, the partition plates (11) are vertically arranged, the heat conducting pipes (12) are horizontally arranged, and two ends of the heat conducting pipes are connected with the partition plates (11).

6. An energy efficient toasting apparatus according to any one of claims 1 to 5, wherein: the shell (6) is made of heat-insulating materials, and the partition plate (11), the heat conducting pipe (12) and the spoiler (14) are made of heat conducting materials.