Steel ladle baking equipment

Abstract

The utility model relates to the technical field of steelmaking production, in particular to steel ladle baking equipment which comprises a base and a purification device. A steel ladle is arranged on the base, a cover plate is arranged on the steel ladle, and a waste gas heat exchange pipe is arranged on the steel ladle in a communicating mode. The purification device comprises a treatment box, a gas injection seat arranged in the treatment box and communicated with the waste gas heat exchange pipe, a plurality of gas outlets formed in the gas injection seat and facing different directions, a lower spraying pipe and an upper spraying pipe which are arranged in the treatment box and distributed up and down, a plurality of nozzles arranged on the lower spraying pipe and the upper spraying pipe, and a water pump arranged on the treatment box; the guide pipe is used for communicating the water pump with the lower spraying pipe and the upper spraying pipe, a circular through hole is formed in the lower spraying pipe, and the upper spraying pipe is located above the through hole. According to the utility model, the purification effect on waste gas can be improved, the safety of tail gas emission is ensured, the heat of the waste gas can be utilized, and the time required by ladle baking is shortened.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of steel production, particularly to a ladle baking equipment. BACKGROUND

[0002] Ladle baking refers to a device used for baking a ladle in a steel mill. The ladle is a container used to receive molten steel and perform pouring operations before a flat furnace, electric furnace or converter in a steel mill or foundry. Before being newly built and filled with molten steel, the ladle generally needs to be baked, and the device used for baking the ladle is called a ladle baking device.

[0003] A ladle baking device is disclosed in Chinese Patent No. CN216461727U, which includes a ladle, a stirring motor at the bottom of the ladle, a waste gas pipe at one side of the top of the ladle, a waste gas treatment box at the bottom of the waste gas pipe, a ladle cover plate at the top of the ladle, a coal gas pipeline on the ladle cover plate, a combustion nozzle at the bottom of the coal gas pipeline, two lifting tool connecting plates on the upper surface of the ladle cover plate, a lifting arm at one side of the lifting tool connecting plate, a blower installation seat at one side of the lifting arm, a blower at the top of the blower installation seat, a lifting plate at the other side of the lifting arm, a lifting rope buckle at the other end of the lifting plate, a lifting rope at one end of the lifting rope buckle, a driving motor on the lifting rope, an installation plate at the bottom of the driving motor, a lifting arm support on one side of the upper surface of the installation plate, and a gas tank base with a high-pressure gas tank.

[0004] However, the above technical solution has the following disadvantages: Although the device can treat the waste gas generated by combustion through the waste gas treatment box, reducing the pollution of waste gas to the environment, the waste gas treatment box only relies on the waste gas treatment net to achieve the treatment effect, and the purification efficiency is poor, reducing the treatment effect. UTILITY MODEL CONTENTS

[0005] The utility model aims to solve the problems in the background art and provides a ladle baking device that not only improves the purification effect of waste gas and ensures the safety of tail gas emission, but also utilizes the heat of waste gas to shorten the time required for baking.

[0006] The utility model discloses a technical scheme, a kind of ladle baking equipment, including base and purification device;Base is provided with ladle, and ladle is provided with cover plate, and ladle is provided with waste heat exchange pipe in communication;The purification device includes processing box, the jet seat of being set in processing box and being communicated with waste heat exchange pipe, the different gas outlet of being set on jet seat and being oriented, the lower spray pipe and upper spray pipe of being set in processing box and being distributed, the multiple spray head of being set on lower spray pipe and upper spray pipe, water pump being set on processing box, and the conduit for communicating water pump and lower spray pipe and upper spray pipe, lower spray pipe has circular through-hole, and upper spray pipe is located the upper of through-hole.

[0007] Preferably, the cover plate is provided with a burner nozzle cover, the burner nozzle cover has a combustion nozzle located inside the ladle, the burner nozzle cover is provided with a gas pipeline and an air supply pipe in communication, the box body is provided with an exhaust fan in communication, and the exhaust fan is connected with the air supply pipe.

[0008] Preferably, the length part of the waste heat exchange pipe located inside the box body is in the shape of a serpentine pipe, and the box body is provided with an air inlet pipe.

[0009] Preferably, the processing box is provided with a first support and a second support, the jet seat is arranged on the first support, and the upper spray pipe is arranged on the second support.

[0010] Preferably, the purification device further comprises a filter screen arranged above the upper spray pipe, multiple positioning blocks arranged on the filter screen, and a fixing seat arranged on the processing box, and the fixing seat is provided with a groove for embedding the positioning blocks.

[0011] Preferably, the processing box is provided with a detachable box top, and the box top is provided with an exhaust pipe.

[0012] Preferably, the base is provided with a mounting frame, the mounting frame is provided with an air cylinder, the air cylinder is drivingly connected with a connecting frame, and the cover plate is arranged on the connecting frame.

[0013] Compared with the prior art, the utility model has the following beneficial technical effects:

[0014] 1、The box body and the waste heat exchange pipe arranged in the utility model can utilize the heat contained in the waste gas, the gas temperature introduced into the burner nozzle cover by the exhaust fan is higher, the combustion-supporting effect on the gas combustion is improved, and the time required for ladle baking is shortened.

[0015] 2、The purification device arranged in the utility model enables the treatment liquid to react with the rising waste gas, so as to treat the harmful particles in the waste gas, and the structure and position of the lower spray pipe and the upper spray pipe are designed in such a way that the waste gas must move upward through the through-hole, thereby avoiding the disadvantage that a small amount of waste gas is not reacted with the treatment liquid during the spraying process, ensuring the treatment effect on the waste gas, and having good practicability. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic view of the utility model;

[0017] Figure 2 It is the connection schematic view of the utility model box and the waste heat exchange pipe;

[0018] Figure 3 It is the internal structure schematic view of the utility model steel ladle;

[0019] Figure 4 It is the structure sectional view of the utility model embodiment.

[0020] Figure mark: 1, base, 2, steel ladle, 3, cover plate, 4, burner sleeve, 5, combustion nozzle, 6, gas pipeline, 7, waste gas heat exchange pipe, 8, box, 9, exhaust fan, 10, air supply pipe, 11, inlet pipe, 12, processing box, 13, jet seat, 14, gas outlet, 15, lower spray pipe, 16, upper spray pipe, 17, spray head, 18, water pump, 19, guide pipe, 20, through hole, 21, first support, 22, second support, 23, box top, 24, fixing seat, 25, filter screen, 26, positioning block, 27, mounting frame, 28, air cylinder, 29, connecting frame. DETAILED DESCRIPTION

[0021] Example one

[0022] As Figures 1-4 shown, the steel ladle baking equipment proposed in the embodiment includes base 1 and purification device; base 1 is provided with steel ladle 2, steel ladle 2 is provided with cover plate 3, cover plate 3 is provided with burner sleeve 4, burner sleeve 4 has combustion nozzle 5 inside steel ladle 2, burner sleeve 4 is provided with gas pipeline 6 and air supply pipe 10 in communication, box 8 is provided with exhaust fan 9 in communication, exhaust fan 9 is connected with air supply pipe 10, steel ladle 2 is provided with waste gas heat exchange pipe 7 in communication, the length part of waste gas heat exchange pipe 7 inside box 8 is in the shape of a serpentine pipe, box 8 is provided with inlet pipe 11.

[0023] Through gas pipeline 6, gas is delivered to the inside of burner sleeve 4 and ignited under the action of combustion nozzle 5, at the same time, exhaust fan 9 blows high-pressure gas into the mixture with gas constantly through air supply pipe 10, so that gas burns more fully, plays a role of heating steel ladle 2, and the exhaust gas generated by combustion is discharged through the provided waste gas heat exchange pipe 7, the exhaust gas will enter box 8 under the action of airflow, and the heat contained in the exhaust gas is reused by the heat exchange action between the serpentine pipe part and the gas inside box 8, so that the gas temperature entering burner sleeve 4 is higher, the combustion-supporting effect of gas combustion is improved, and the time required for baking is shortened.

[0024] AsFigure 4 As shown, the purification device comprises a treatment box 12, an air injection seat 13 arranged inside the treatment box 12 and communicated with the waste heat exchange pipe 7, a plurality of air outlets 14 arranged on the air injection seat 13 and facing different directions, a lower spray pipe 15 and an upper spray pipe 16 arranged inside the treatment box 12 and distributed vertically, a plurality of spray heads 17 arranged on the lower spray pipe 15 and the upper spray pipe 16, a water pump 18 arranged on the treatment box 12, and a conduit 19 for connecting the water pump 18 and the lower spray pipe 15 and the upper spray pipe 16, the lower spray pipe 15 has a circular through hole 20, the upper spray pipe 16 is located above the through hole 20, the treatment box 12 is provided with a first support 21 and a second support 22, the air injection seat 13 is arranged on the first support 21, and the upper spray pipe 16 is arranged on the second support 22, and the first support 21 and the second support 22 are respectively used for fixedly mounting the air injection seat 13 and the upper spray pipe 16.

[0025] With the delivery of the waste heat exchange pipe 7 to the waste gas, the waste gas finally enters the air injection seat 13 and is sprayed upward from the air outlet 14, and at the same time, the treatment liquid at the bottom of the treatment box 12 is extracted by the water pump 18 and delivered to the inside of the lower spray pipe 15 and the upper spray pipe 16, and finally sprayed downward from the spray head 17, so that the treatment liquid and the rising waste gas are in contact and reaction to realize the treatment of harmful particles in the waste gas, and the structural position design of the lower spray pipe 15 and the upper spray pipe 16 makes the waste gas move upward through the through hole 20, avoiding the disadvantage that a small amount of waste gas is not reacted by the treatment liquid in the spraying process, ensuring the treatment effect of the waste gas, and having good practicability.

[0026] Example Two

[0027] As shown in the figure, Figure 4 The steel ladle baking equipment provided in the embodiment further comprises a filter screen 25 arranged above the upper spray pipe 16, a plurality of positioning blocks 26 arranged on the filter screen 25, and a fixing seat 24 arranged on the treatment box 12, the fixing seat 24 is provided with a groove for embedding the positioning block 26, and the treatment box 12 is provided with a detachable box top 23, and the box top 23 is provided with an exhaust pipe.

[0028] In the embodiment, the sprayed waste gas finally passes through the filter screen 25 to complete the final filtering effect, and the purified gas is discharged to the outside through the exhaust pipe, and at the same time, the box top 23 is detachable to facilitate the cleaning and replacement of the filter screen 25 in cooperation with the fixing seat 24 and the positioning block 26, thereby ensuring the effect of subsequent use and simple operation.

[0029] Example Three

[0030] As shown in the figure, Figure 1Compared with the first embodiment, the base 1 is provided with the mounting frame 27, the mounting frame 27 is provided with the air cylinder 28, the air cylinder 28 is drivingly connected with the connecting frame 29, the cover plate 3 is arranged on the connecting frame 29, the connecting frame 29 is driven to lift by the air cylinder 28, and the connecting frame 29 drives the cover plate 3 to lift, so that the molten steel is introduced into the inside of the ladle 2.

[0031] The above describes the embodiments of the utility model in detail in combination with the drawings, but the utility model is not limited to this, and various changes can be made within the knowledge range of the technical personnel in the technical field without departing from the purpose of the utility model.

Claims

1. A ladle baking apparatus for a ladle of molten steel, characterized by comprising: The utility model relates to a steel ladle exhaust gas heat exchange and purification device, which comprises a base (1) provided with a steel ladle (2) and a cover plate (3) provided on the steel ladle (2) and connected with a waste gas heat exchange pipe (7); a purification device comprising a treatment box (12), a jet seat (13) provided in the treatment box (12) and connected with the waste gas heat exchange pipe (7), a plurality of gas outlets (14) provided on the jet seat (13) and facing different directions, a lower spray pipe (15) and an upper spray pipe (16) provided in the treatment box (12) and distributed vertically, a plurality of spray heads (17) provided on the lower spray pipe (15) and the upper spray pipe (16), a water pump (18) provided on the treatment box (12), and a conduit (19) for connecting the water pump (18) with the lower spray pipe (15) and the upper spray pipe (16), wherein the lower spray pipe (15) is provided with a circular through hole (20), and the upper spray pipe (16) is located above the through hole (20). The cover plate (3) is provided with a burner sleeve (4) having a combustion nozzle (5) located in the steel ladle (2), and the burner sleeve (4) is connected with a gas pipeline (6) and an air supply pipe (10); a box body (8) is provided with an exhaust fan (9) connected with the air supply pipe (10). The waste gas heat exchange pipe (7) is in the form of a serpentine pipe in the length portion inside the box body (8), and the box body (8) is provided with an air inlet pipe (11).

2. The steel ladle baking apparatus according to claim 1, characterized by The treatment box (12) is provided with a first support (21) and a second support (22), and the jet seat (13) is provided on the first support (21), and the upper spray pipe (16) is provided on the second support (22).

3. The steel ladle baking apparatus according to claim 1, characterized by The purification device further comprises a filter screen (25) provided above the upper spray pipe (16), a plurality of positioning blocks (26) provided on the filter screen (25), and a fixing seat (24) provided on the treatment box (12) and provided with a groove for embedding the positioning blocks (26).

4. The steel ladle baking apparatus according to claim 1, characterized by The treatment box (12) is provided with a detachable box top (23) provided with an exhaust pipe.

5. The steel ladle baking apparatus according to claim 1, wherein The base (1) is provided with a mounting frame (27) provided with a gas cylinder (28) drivingly connected with a connecting frame (29), and the cover plate (3) is provided on the connecting frame (29).

6. The steel ladle baking apparatus according to claim 5, wherein ​ 7. The steel ladle baking apparatus according to claim 1, wherein ​

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