CN215337732U - Discharging pipe of calcining furnace - Google Patents

Abstract

The utility model discloses a discharging pipe of a calcining furnace, which comprises a discharging pipe lower pipe, wherein the upper end of the discharging pipe lower pipe is provided with a discharging pipe upper pipe, the joint of the discharging pipe upper pipe and the outer wall of the discharging pipe lower pipe is provided with square steel, the outer wall of the discharging pipe lower pipe is provided with an outer cooling chamber, the inner wall of the discharging pipe lower pipe is provided with an inner cooling chamber, the outer wall of the discharging pipe lower pipe is provided with a main pipe, the other side of the main pipe is provided with a first connecting pipe, one side of the first connecting pipe is provided with a flow dividing pipe, the flow dividing pipe is attached to the outer wall of the discharging pipe lower pipe, and the flow dividing pipe is provided with a second water discharging pipe. This row of calcining furnace material pipe sets up interior cooling chamber and outer cooling chamber respectively through the inner wall and the outer wall of arranging the material pipe low tube, because interior cooling chamber and outer cooling chamber internal portion do not are provided with interior cooling pipe and shunt tubes to can cool off the material of arranging the inside process of material pipe low tube through the mode of heat transfer, guarantee the temperature of material from this, avoid the high temperature to cause the damage to equipment.

Description

Discharging pipe of calcining furnace

Technical Field

The utility model relates to the technical field of calcining furnace equipment, in particular to a discharging pipe of a calcining furnace.

Background

A calciner, which is a thermal device for carrying out heat treatment on carbon raw materials (such as coke, anthracite and the like) at high temperature so as to improve the performance of the raw materials; equipment for iron making, rare metal recovery, catalyst production, environment improvement and special chemical product production; after the raw materials are calcined, most of moisture and volatile components in the raw materials are removed, the volume is reduced along with the removal of the moisture and the volatile components, and the density, the strength and the conductivity are correspondingly improved; the purpose of calcination is to improve the performance of the raw materials and stabilize the volume of the raw materials, so that the formed green product can not generate cracks in the subsequent roasting process; the improvement of the raw material performance is conditioned by the temperature during heat treatment, and the calcination temperature has a great relationship with the calcination quality and is determined according to the type of the raw material, the application of the product and the structural form of the furnace; the calcination temperature is determined in different countries, and generally, the calcination temperature controlled in the united states and soviet union is higher, while that controlled in france and japan is lower.

The temperature of the calcined product is still high when the calcined product is discharged, secondary burning loss of the material is easily caused, the actual yield of the finished product is reduced, and meanwhile, the temperature of subsequent equipment is too high, so that the service life of the equipment is influenced, and improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a discharging pipe of a calcining furnace, which aims to solve the problem that the discharging temperature of a calcined product is high and easily influences the temperature of subsequent equipment in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme that the discharging pipe of the calcining furnace comprises a discharging pipe lower pipe, wherein the upper end of the discharging pipe lower pipe is provided with a discharging pipe upper pipe, the joint of the outer wall of the discharging pipe upper pipe and the discharging pipe lower pipe is provided with square steel, the outer wall of the discharging pipe lower pipe is provided with an outer cooling chamber, the inner wall of the discharging pipe lower pipe is provided with an inner cooling chamber, the outer wall of the discharging pipe lower pipe is provided with a main pipe, one side of the main pipe is provided with a second water inlet pipe, a water pump is arranged on the second water inlet pipe, the other side of the main pipe is provided with a first connecting pipe, one side of the first connecting pipe is provided with a flow dividing pipe, the flow dividing pipe is attached to the outer wall of the discharging pipe lower pipe, and the flow dividing pipe is provided with a second water outlet pipe.

Preferably, the inner wall of the lower pipe of the discharging pipe is provided with second guide plates, and the second guide plates are longitudinally distributed at equal intervals relative to the inner wall of the lower pipe of the discharging pipe.

Preferably, the square steel is of a hollow structure, and a sealing plate is arranged at the bottom of the square steel.

Preferably, the outer wall of the inner cooling chamber is provided with a first material guide plate, and the first material guide plate and the second material guide plate are arranged in a staggered manner.

Preferably, the inner wall of the inner cooling chamber is provided with inner cooling pipes, the inner cooling pipes are distributed in a circular ring shape at equal intervals relative to the inner wall of the inner cooling chamber, and the inner cooling pipes are attached to the inner wall of the inner cooling chamber.

Preferably, the upper end and the lower end of the inner cooling pipe are both provided with second connecting pipes, and the second connecting pipes are respectively provided with a first water inlet pipe and a first water drainage pipe.

Compared with the prior art, the utility model has the beneficial effects that: this row of calcining furnace material pipe sets up interior cooling chamber and outer cooling chamber respectively through the inner wall and the outer wall of arranging the material pipe low tube, because interior cooling chamber and outer cooling chamber internal portion do not are provided with interior cooling pipe and shunt tubes to can cool off the material of arranging the inside process of material pipe low tube through the mode of heat transfer, guarantee the temperature of material from this, avoid the high temperature to cause the damage to equipment.

Drawings

FIG. 1 is a schematic view of a discharging pipe structure of a calcining furnace of the present invention;

FIG. 2 is a schematic view of the internal structure of a cooling chamber in a discharge pipe of a calciner of the present invention;

FIG. 3 is a top view of a second material guiding plate of a discharging pipe of a calcining furnace.

In the figure: 1. arrange the material pipe low tube, 2, first inlet tube, 3, first stock guide, 4, arrange the material pipe top tube, 5, square steel, 6, closing plate, 7, second stock guide, 8, outer cooling chamber, 9, first connecting pipe, 10, interior cooling chamber, 11, shunt tubes, 12, water pump, 13, second inlet tube, 14, the person in charge, 15, interior cooling pipe, 16, second connecting pipe, 17, first drain pipe, 18, the second drain pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a discharging pipe of a calcining furnace comprises a discharging pipe lower pipe 1, wherein a discharging pipe upper pipe 4 is arranged at the upper end of the discharging pipe lower pipe 1, the discharging pipe lower pipe 1 and the discharging pipe upper pipe 4 are integrally connected in a welding mode, square steel 5 is arranged at the joint of the outer wall of the discharging pipe upper pipe 4 and the discharging pipe lower pipe 1, the square steel 5, the discharging pipe upper pipe 4 and the discharging pipe lower pipe 1 are fixedly welded, a second material guide plate 7 is arranged on the inner wall of the discharging pipe lower pipe 1, the discharging pipe lower pipe 1 and the second material guide plate 7 are fixedly welded, and the second material guide plate 7 is longitudinally distributed at equal intervals relative to the inner wall of the discharging pipe lower pipe 1; the interior of the square steel 5 is of a hollow structure, the bottom of the square steel 5 is provided with a sealing plate 6, the square steel 5 and the sealing plate 6 are fixed through bolts, so that the sealing plate 6 can be opened to clean materials in the square steel 5, the joint of the lower pipe 1 of the discharging pipe and the upper pipe 4 of the discharging pipe is worn out for a long time due to the friction of calcined coke, the raw materials are discharged outside, the environment is influenced, the discharged raw materials are led to flow into the square steel 5 to be in a static state through the arrangement of the square steel 5, the lower pipe 1 of the discharging pipe and the upper pipe 4 of the discharging pipe are not worn, and the environmental problem is solved; an outer cooling chamber 8 is arranged on the outer wall of a lower pipe 1 of a discharge pipe, the lower pipe 1 of the discharge pipe is welded and fixed with the outer cooling chamber 8, an inner cooling chamber 10 is arranged on the inner wall of the lower pipe 1 of the discharge pipe, the lower pipe 1 of the discharge pipe is welded and fixed with the inner cooling chamber 10 through a support, a first material guide plate 3 is arranged on the outer wall of the inner cooling chamber 10, the inner cooling chamber 10 is welded and fixed with the first material guide plate 3, and the first material guide plate 3 and a second material guide plate 7 are arranged in a staggered mode, so that materials can be guided to contact with the outer wall of the inner cooling chamber 10 and the inner wall of the lower pipe 1 of the discharge pipe in the blanking process, and the best cooling effect is achieved; the inner wall of the inner cooling chamber 10 is provided with an inner cooling pipe 15, the inner cooling chamber 10 and the inner cooling pipe 15 are fixed by a hoop, the hoop is the prior art, so that the description is not excessive, the inner cooling pipes 15 are distributed in a ring shape on the inner wall of the inner cooling chamber 10 at equal intervals, and the inner cooling pipes 15 are attached to the inner wall of the inner cooling chamber 10; the upper end and the lower end of the internal cooling pipe 15 are both provided with a second connecting pipe 16, and the second connecting pipe 16 is respectively provided with a first water inlet pipe 2 and a first water discharge pipe 17; the outer wall of the lower pipe 1 of the discharge pipe is provided with a main pipe 14, the lower pipe 1 of the discharge pipe is not in contact with the main pipe 14, one side of the main pipe 14 is provided with a second water inlet pipe 13, the right side of the main pipe 14 is welded with the second water inlet pipe 13, the second water inlet pipe 13 is provided with a water pump 12, the second water inlet pipe 13 is in threaded connection with the water pump 12, the other side of the main pipe 14 is provided with a first connecting pipe 9, the left side of the main pipe 14 is welded with the first connecting pipe 9, the first connecting pipe 9 penetrates through the external cooling chamber 8 and is welded and fixed with a shunt pipe 11, one side of the first connecting pipe 9 is provided with the shunt pipe 11, the shunt pipe 11 is attached to the outer wall of the lower pipe 1 of the discharge pipe, the shunt pipe 11 is provided with a second drain pipe 18, the shunt pipe 11 is annularly wrapped on the outer wall of the lower pipe 1 of the discharge pipe, and the second drain pipe 18 is welded with the shunt pipe 11, so that cold water is discharged after heat exchange; this row of calcining furnace material pipe sets up interior cooling chamber 10 and outer cooling chamber 8 respectively through the inner wall and the outer wall of arranging material pipe low tube 1, because interior cooling chamber 10 and the inside interior cooling tube 15 and the shunt tubes 11 of being provided with respectively of outer cooling chamber 8 to can cool off the material of arranging the inside process of material pipe low tube 1 through the mode of heat transfer, guarantee the temperature of material from this, avoid the high temperature to cause the damage to equipment.

The working principle is as follows: when the discharging pipe of the calcining furnace is used, firstly, materials fall downwards, firstly, the materials can pass through the upper pipe 4 of the discharging pipe, the materials are continuously discharged downwards, when the materials are leaked out, the materials can enter the inner part of the square steel 5 for collection, the rest materials can enter the inner part of the lower pipe 1 of the discharging pipe, meanwhile, cold water enters the inner parts of the main pipe 14 and the second connecting pipe 16 through the second water inlet pipe 13 and the first water inlet pipe 2 respectively under the driving of the water pump 12, the cold water enters the inner part of the main pipe 14 and then enters the shunt pipe 11 through the first connecting pipe 9, so that heat on the outer wall of the lower pipe 1 of the discharging pipe is taken away, the cold water enters the inner part of the second connecting pipe 16 and then enters the inner part of the inner cooling pipe 15, at the moment, the heat exchange is carried out on the outer wall of the inner cooling chamber 10, and the materials can fall on the first guide plate 3 after entering the lower pipe 1 of the discharging pipe, and then fall down toward the inner wall of the lower tube 1 of the discharge duct by the guidance of the first guide plates 3 and then fall down onto the second guide plates 7 toward the outer wall of the inner cooling chamber 10, thereby rapidly performing cooling, which is the operation principle of the discharge duct of the calciner.

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 various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims (6)

1. The utility model provides a calcining furnace row material pipe, includes row material pipe low tube (1), its characterized in that: arrange material pipe low tube (1) upper end and be provided with row material pipe top tube (4), and arrange material pipe top tube (4) and the outer wall junction of arranging material pipe low tube (1) and be provided with square steel (5), it is provided with outer cooling chamber (8) to arrange material pipe low tube (1) outer wall, and arranges that material pipe low tube (1) inner wall is provided with interior cooling chamber (10), arrange material pipe low tube (1) outer wall and be provided with person in charge (14), and be provided with second inlet tube (13) on person in charge (14) one side to be provided with water pump (12) on second inlet tube (13), be provided with first connecting tube (9) in person in charge (14) opposite side, and be provided with shunt tubes (11) on first connecting tube (9) one side, shunt tubes (11) laminating is on arranging material pipe low tube (1) outer wall, and is provided with second drain pipe (18) on shunt tubes (11).

2. The calciner discharge duct of claim 1, wherein: the inner wall of the lower pipe (1) of the discharging pipe is provided with second guide plates (7), and the second guide plates (7) are longitudinally distributed at equal intervals relative to the inner wall of the lower pipe (1) of the discharging pipe.

3. The calciner discharge duct of claim 1, wherein: the square steel (5) is of a hollow structure, and a sealing plate (6) is arranged at the bottom of the square steel (5).

4. The calciner discharge duct of claim 1, wherein: the outer wall of the inner cooling chamber (10) is provided with a first material guide plate (3), and the first material guide plate (3) and the second material guide plate (7) are arranged in a staggered mode.

5. The calciner discharge duct of claim 1, wherein: the inner wall of the inner cooling chamber (10) is provided with inner cooling pipes (15), the inner cooling pipes (15) are distributed in a circular ring shape at equal intervals relative to the inner wall of the inner cooling chamber (10), and the inner cooling pipes (15) are attached to the inner wall of the inner cooling chamber (10).

6. The calciner discharge duct of claim 5, wherein: the upper end and the lower end of the inner cooling pipe (15) are both provided with second connecting pipes (16), and the second connecting pipes (16) are respectively provided with a first water inlet pipe (2) and a first water drainage pipe (17).

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