CN211274545U - Device for improving temperature of mixed material and sintering system - Google Patents

Device for improving temperature of mixed material and sintering system Download PDF

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Publication number
CN211274545U
CN211274545U CN201921559072.4U CN201921559072U CN211274545U CN 211274545 U CN211274545 U CN 211274545U CN 201921559072 U CN201921559072 U CN 201921559072U CN 211274545 U CN211274545 U CN 211274545U
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steam
mixture
temperature
pipeline
granulator
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CN201921559072.4U
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肖鹏
陈波
何坤林
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Dazhou Iron and Steel Group Co Ltd
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Dazhou Iron and Steel Group Co Ltd
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Abstract

The utility model discloses an improve device of mixture material temperature, include: the granulator and a steam pipeline used for providing steam for the mixture in the granulator, and the steam pipeline extends into the granulator; the steam pipeline comprises a main pipeline and at least two branch pipelines, the main pipeline is used for being communicated with the steam pipe network, and the spraying direction of steam in the branch pipelines is provided with a first component opposite to the flowing direction of the mixture and a second component which is vertical to the upper surface of the mixture and faces downwards. In the granulating process of the mixture, because the spraying direction of the steam in the branch pipeline has the second component, the steam can be directly sprayed on the upper surface of the mixture obliquely and downwards after being sprayed out, so that the heat loss in the steam diffusion process is avoided; in addition, the spraying direction of the steam has a first component opposite to the flowing direction of the mixture, so that the contact time of the mixture and the steam can be prolonged, and the temperature of the mixture can be increased. The utility model also discloses a sintering system of including above-mentioned device that improves mixture material temperature.

Description

Device for improving temperature of mixed material and sintering system
Technical Field
The utility model relates to a sintering technology field, more specifically say, relate to an improve device of mixture material temperature. Furthermore, the utility model discloses still relate to a sintering system including the device of above-mentioned improvement mixture material temperature.
Background
Sintering is a traditional process for converting a powdery material into a compact. This process has long been used to produce ceramics, powder metallurgy, refractory materials, ultra high temperature materials, and the like.
The material temperature of the mixture needs to be increased in the sintering process to avoid the over-wet phenomenon of the sintering material, and the higher the original material temperature of the sintering material is, the lower the water content of the raw material is; in the prior art, a steam pipeline generally extends into a granulator, dispersed steam is added, the steam is diffused in a mixing cylinder in a large range after flowing out of a pipeline opening and is lower in temperature when contacting with a mixture, a spraying mode is a material flowing direction, the heat exchange time between the steam and the mixture is short, the steam utilization rate is low, and the temperature of the mixture is low finally.
In summary, how to provide a device for increasing the temperature of a mixed material with a high steam utilization rate is an urgent problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a device for increasing the temperature of mixed materials, which can increase the utilization rate of steam, thereby increasing the temperature of the mixed materials.
In order to achieve the above object, the present invention provides the following technical solutions:
an apparatus for increasing the temperature of a mixed material, comprising: the granulator is provided with a steam pipeline used for providing steam for the mixture in the granulator, and the steam pipeline extends into the granulator;
the steam pipeline comprises a main pipeline communicated with a steam pipe network and at least two branch pipelines communicated with the main pipeline, and the spraying direction of steam in the branch pipelines is provided with a first component opposite to the flowing direction of the mixture and a second component vertical to the upper surface of the mixture and facing downwards.
Preferably, an included angle between the spraying direction of the steam in the branch pipeline and the upper surface of the mixture is 55-65 degrees.
Preferably, the diameter of the main pipe is larger than 120 mm.
Preferably, the distances between adjacent branch pipelines along the length direction of the main pipeline are equal.
Preferably, the main pipeline is arranged along the flowing direction of the mixture, the branch pipeline is arranged at the lower part of the main pipeline, and the branch pipeline comprises a vertical part vertically arranged with the main pipeline and a bending part connected with the vertical part.
Preferably, the length of the main pipeline extending into the interior of the granulator is 1800mm to 2200 mm.
The utility model provides a sintering system, is including mixing machine, pelletization system, sintering machine platform truck, some firearm, exhaust system, screening system, the pelletization system is above-mentioned arbitrary any the device of improvement mixture temperature.
The utility model provides an improve device of mixture material temperature, include: the granulator and a steam pipeline used for providing steam for the mixture in the granulator, and the steam pipeline extends into the granulator; the steam pipeline comprises a main pipeline communicated with the steam pipe network and at least two branch pipelines communicated with the main pipeline, and the spraying direction of steam in the branch pipelines is provided with a first component opposite to the flowing direction of the mixture and a second component which is vertical to the upper surface of the mixture and faces downwards.
In the granulating process of the mixture, steam is sprayed out of the branch pipe, and the spraying direction of the steam in the branch pipe has a second component which is vertical to the upper surface of the mixture and faces downwards, so that the steam can be directly sprayed on the upper surface of the mixture obliquely downwards after being sprayed out, the mixture is directly contacted with the steam, and the heat loss in the steam diffusion process is avoided; in addition, the spraying direction of the steam has a first component opposite to the flowing direction of the mixture, so that the contact time of the mixture and the steam can be prolonged, the utilization rate of steam heat is finally improved, and the temperature of the mixture is improved.
In addition, the arrangement of the branch pipeline also increases the ejection pressure of the steam, which is beneficial to fully mixing the steam and the mixture, so as to improve the temperature of the mixture to a greater extent.
The utility model also provides a sintering system of including the above-mentioned device that improves mixture material temperature.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a first specific embodiment of the device for increasing the temperature of a mixed material provided by the present invention;
FIG. 2 is a schematic view of a partial structure of a sintering system;
fig. 3 is a partial side view of the sintering system of fig. 2.
In FIGS. 1-3:
the 1 is a main pipeline, and the 2 is a branch pipeline.
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.
The core of the utility model is to provide a device for improving the temperature of mixed materials, which can improve the utilization rate of steam heat and improve the temperature of the mixed materials. The other core of the utility model is to provide a sintering system comprising the device for improving the temperature of the mixed material.
Referring to fig. 1-3, fig. 1 is a schematic structural diagram of a first embodiment of a device for increasing a temperature of a mixture according to the present invention; FIG. 2 is a schematic view of a partial structure of a sintering system; fig. 3 is a partial side view of the sintering system of fig. 2.
The device that improves mixture material temperature that this embodiment provided includes: the granulator and a steam pipeline used for providing steam for the mixture in the granulator, and the steam pipeline extends into the granulator; the steam pipeline comprises a main pipeline 1 communicated with a steam pipe network and at least two branch pipelines 2 communicated with the main pipeline 1, and the spraying direction of steam in the branch pipelines 2 is provided with a first component opposite to the flowing direction of the mixture and a second component vertical to the upper surface of the mixture and facing downwards.
It should be noted that the steam in the branch pipe 2 has a first component opposite to the flow direction of the mixture and a second component perpendicular to the upper surface of the mixture and facing downward, and the steam is ejected obliquely downward in the direction opposite to the flow direction of the mixture, and the included angle between the steam ejection direction and the upper surface of the mixture is between 0 ° and 90 °.
In the granulating process of the mixture, steam is sprayed out from the branch pipe 2, and the spraying direction of the steam in the branch pipe 2 is perpendicular to the second component of the mixture with the upper surface facing downwards, so that the steam can be directly sprayed on the upper surface of the mixture obliquely downwards after being sprayed out, the mixture is directly contacted with the steam, the heat loss in the steam diffusion process is avoided, and the mixture can obtain more steam heat; in addition, the spraying direction of the steam has a first component opposite to the flowing direction of the mixture, so that the contact time of the mixture and the steam can be prolonged, the steam heat can fully play a role, the utilization rate of the steam heat is finally improved, and the temperature of the mixture is improved.
In addition, the arrangement of the branch pipeline 2 also increases the ejection pressure of the steam, which is beneficial to fully mixing the steam and the mixture, so as to improve the temperature of the mixture to a greater extent.
It should be noted that before the mixture is mixed with steam, a proper amount of water is required to be added into the mixture in the mixer, and the water comprises a water-adding-free section, a columnar water-adding section, a fog-adding section and a discharging point, wherein the columnar water-adding section is that a water pipe is arranged at a proper position in the mixer, and the water outlet of the water pipe is like a water column, so that water is intensively added to one point, and the mixer is characterized by quick water supplement and large water quantity; the reasonable position needs to be capable of avoiding that the mixture absorbs more water at the water adding point and the viscosity is increased to cause the ring formation of the inlet equipment because water is added at the position where the mixture just enters the mixer; and the reasonable position is favorable for leading the mixture to be mixed evenly in advance.
In the mist water adding section, another water pipe is required to be laid, a water outlet is arranged on the water pipe, an atomizing nozzle is arranged at the water outlet, water is sprayed into mist by utilizing the water pressure of a water pump and the atomizing nozzle, so that water drops are uniformly covered on the surface of the mixed material.
On the basis of the above embodiment, in order to make the spraying direction of the steam in the branch pipe 2 directly contact with the upper surface of the mixture and maximize the contact time between the steam and the mixture, the included angle between the spraying direction of the steam in the branch pipe 2 and the upper surface of the mixture may be 55 ° to 65 °.
Preferably, the angle between the steam spraying direction in the branch pipe 2 and the upper surface of the mixture is 60 degrees.
On the basis of above-mentioned embodiment, can set up the diameter of main pipeline 1 to be greater than 120mm to increase the steam flow in the main pipeline 1 between the unit, make mixture and steam intensive mixing, the specific numerical value of main pipeline 1 diameter needs to be confirmed according to actual conditions, does not do here and gives unnecessary details.
In the actual operation process, in order to make the steam sprayed from the branch pipes 2 evenly distributed so as to make all the steam contacted with the mixture even, the distances between the adjacent branch pipes 2 along the length direction of the main pipe 1 can be made equal.
Of course, the specific numerical value of the distance between the adjacent branch pipes 2 along the length direction of the main pipe 1 needs to be determined according to the actual situation, which is not described herein again.
It should be noted that, in order to make the steam be better contacted with the mixture after being sprayed out from the branch pipe 2, a port for spraying the steam in the branch pipe 2 may be disposed close to the upper surface of the mixture, and an appropriate distance between the port for spraying the steam in the branch pipe 2 and the upper surface of the mixture is set under the condition that it is ensured that steam spraying and normal mixing of the mixture and the steam are not affected, and the distance is specifically determined according to actual conditions.
Preferably, the steam outlet of all branch pipes 2 is located at the same distance from the upper surface of the mix.
Preferably, all branch ducts 2 emit steam in the same direction.
The number of the branch pipes 2 may be 2, 3, or multiple, and is determined according to the actual situation, which is not described herein.
Preferably, the end of the main pipe 1 extending into the granulator part is provided with a branch pipe 2.
On the basis of the above embodiment, in order to make the setting of the branch pipe 2 more convenient, simultaneously, also be the upper surface that the branch pipe 2 can be closer to the mixture more, can make trunk line 1 set up along the flow direction of mixture, and the branch pipe 2 sets up in the lower part of trunk line 1, and the branch pipe 2 includes the vertical part that sets up perpendicularly with trunk line 1 and the portion of bending of being connected with the vertical part.
As shown in fig. 1, the vertical portion is a portion perpendicular to the main pipe 1 and communicated with the main pipe 1, the branch pipes 2 are arranged at the lower portion of the main pipe 1, so that the branch pipes 2 can be closer to the upper surface of the mixture, one end of the bending portion is connected with the vertical portion, and the other end of the bending portion is provided with an outlet for spraying steam; the direction of the arrows in the figure is the flow direction of the mix.
Preferably, all the vertical portions in the branch ducts 2 have the same length, and the included angles between all the bent portions and the vertical portions are the same.
On the basis of the above embodiment, in order to make the mixture mix well mixed with the steam, the length of the main pipe 1 extending into the interior of the granulator may be 1800mm to 2200 mm.
Of course, the length of the main pipe 1 extending into the granulator needs to be determined according to the size of the actual granulator, and other values can be provided, which are not described herein.
Except that the above-mentioned device that improves mixture material temperature, the utility model discloses still provide a few of the device that improves mixture material temperature including the disclosure of above-mentioned embodiment and system, this sintering system is including mixing machine, pelletization system, sintering machine platform truck, some firearm, exhaust system, screening system, and the pelletization system is the device that improves mixture material temperature that above-mentioned arbitrary mentions.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The utility model provides an arbitrary compound mode of all embodiments all is in this utility model's a protection scope, does not do here and gives unnecessary details.
The device for improving the temperature of the mixed material and the sintering system provided by the utility model are introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (7)

1. The utility model provides an improve device of mixture material temperature which characterized in that includes: the granulator is provided with a steam pipeline used for providing steam for the mixture in the granulator, and the steam pipeline extends into the granulator;
the steam pipeline comprises a main pipeline (1) communicated with a steam pipe network and at least two branch pipelines (2) communicated with the main pipeline (1), wherein the spraying direction of steam in the branch pipelines (2) is provided with a first component opposite to the flowing direction of the mixture and a second component perpendicular to the downward direction of the upper surface of the mixture.
2. The device for increasing the temperature of the mixed material according to claim 1, wherein the angle between the spraying direction of the steam in the branch pipe (2) and the upper surface of the mixed material is 55-65 degrees.
3. The device for increasing the temperature of mixed materials according to claim 1, characterized in that the diameter of the main pipe (1) is greater than 120 mm.
4. The device for increasing the temperature of mixed materials according to any one of claims 1 to 3, wherein the distances between adjacent branch pipes (2) along the length direction of the main pipe (1) are equal.
5. The device for increasing the temperature of mixed materials according to claim 4, wherein the main pipe (1) is arranged along the flow direction of the mixed materials, the branch pipes (2) are arranged at the lower part of the main pipe (1), and the branch pipes (2) comprise vertical parts which are vertically arranged with the main pipe (1) and bending parts which are connected with the vertical parts.
6. The device for increasing the temperature of mixed materials according to claim 5, characterized in that the length of the main pipe (1) extending into the interior of the granulator is between 1800mm and 2200 mm.
7. A sintering system comprises a mixer, a granulating system, a sintering machine trolley, an igniter, an air draft system and a screening system, and is characterized in that the granulating system is the device for increasing the temperature of the mixture as claimed in any one of claims 1 to 6.
CN201921559072.4U 2019-09-18 2019-09-18 Device for improving temperature of mixed material and sintering system Active CN211274545U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921559072.4U CN211274545U (en) 2019-09-18 2019-09-18 Device for improving temperature of mixed material and sintering system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921559072.4U CN211274545U (en) 2019-09-18 2019-09-18 Device for improving temperature of mixed material and sintering system

Publications (1)

Publication Number Publication Date
CN211274545U true CN211274545U (en) 2020-08-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921559072.4U Active CN211274545U (en) 2019-09-18 2019-09-18 Device for improving temperature of mixed material and sintering system

Country Status (1)

Country Link
CN (1) CN211274545U (en)

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