CN216337742U - Atomization treatment device for liquid steel slag - Google Patents
Atomization treatment device for liquid steel slag Download PDFInfo
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- CN216337742U CN216337742U CN202122366037.4U CN202122366037U CN216337742U CN 216337742 U CN216337742 U CN 216337742U CN 202122366037 U CN202122366037 U CN 202122366037U CN 216337742 U CN216337742 U CN 216337742U
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Abstract
The utility model relates to the technical field of liquid steel slag treatment, and provides an atomization treatment device for liquid steel slag, which comprises a steel slag atomization gas quenching chamber, waste heat recovery equipment, a dust removal device, a steel slag distributing mechanism and an airflow mechanism, wherein the waste heat recovery equipment is positioned in the steel slag atomization gas quenching chamber and is arranged at the upper part of the steel slag atomization gas quenching chamber; the dust removal device is communicated with the steel slag atomization gas quenching chamber; the steel slag distributing mechanism is connected to one side of the steel slag atomization gas quenching chamber and is used for feeding the steel slag atomization gas quenching chamber; the air flow mechanism is communicated with the steel slag distributing mechanism and is used for providing high-speed air flow for the steel slag distributing mechanism. The steel slag atomization gas quenching chamber is used as a core treatment area, and other waste heat recovery equipment, the dust removal device, the steel slag distributing mechanism and the airflow mechanism are respectively arranged around the steel slag atomization gas quenching chamber, so that the device has a compact structure, occupies a small area, can treat dust and can effectively recover heat energy resources.
Description
Technical Field
The utility model relates to the technical field of steel slag treatment, in particular to an atomization treatment device for liquid steel slag.
Background
The steel slag is a complex substance formed by products of various chemical reactions, various slag-making materials and other materials in the steel-making process. Mainly comprises silicate minerals, metallic iron, iron oxide and other chemical substances.
The steel slag is about 12% of the steel yield. At present, the steel slag treatment process mainly comprises a hot splashing method, a disc splashing method, a hot stewing method, a water quenching method, a roller method, a granulating wheel method and the like. Compared with other processes, the atomization gas quenching method has the advantages of simple process and less investment; from the physical state of the slag, the atomized gas quenching method can obtain smaller slag particle size, the particle size distribution range is wider, the treated slag has the advantages of fastest condensation speed, most thorough free calcium oxide digestion, uniform distribution of each crystal phase, very fine crystal particles and the like, and the method becomes one of important research directions in the industry.
However, the existing steel slag treatment device has poor steel slag granulation effect and influences the treatment effect; and the waste heat recovery effect generated in the steel slag treatment process is poor, so that a great part of heat energy resources are wasted.
SUMMERY OF THE UTILITY MODEL
The utility model provides an atomization treatment device for liquid steel slag, which is used for solving the defects of poor treatment effect and waste of heat energy resources of the steel slag in the prior art, achieving good treatment effect of the steel slag, achieving the purpose of waste heat recovery and collecting and treating dust.
In order to achieve the above object, the present invention provides an apparatus for atomizing liquid steel slag, comprising:
a steel slag atomization gas quenching chamber;
the waste heat recovery device is positioned inside the steel slag atomization gas quenching chamber, is arranged at the upper part of the steel slag atomization gas quenching chamber and is used for collecting waste heat in the steel slag atomization gas quenching chamber;
the dust removal device is communicated with the steel slag atomized gas quenching chamber and is used for collecting and treating smoke dust in the steel slag atomized gas quenching chamber;
the steel slag distributing mechanism is connected to one side of the steel slag atomization gas quenching chamber and is used for feeding the steel slag atomization gas quenching chamber;
and the air flow mechanism is communicated with the steel slag distributing mechanism and is used for providing high-speed air flow for the steel slag distributing mechanism.
The atomization treatment device for the liquid steel slag further comprises a slag pot and a slag pot tipping mechanism;
the slag pot is arranged on the slag pot tilting mechanism, and the slag pot tilting mechanism is close to the steel slag distributing mechanism and can tilt the slag pot to the steel slag distributing mechanism.
According to the atomization treatment device for the liquid steel slag provided by the utility model, the steel slag distributing mechanism comprises a machine body and an outlet arranged on the machine body, wherein the shape of the outlet is a belt-shaped structure.
According to the atomization treatment device for the liquid steel slag provided by the utility model, the steel slag distributing mechanism can adjust the width of the outlet through the adjusting mechanism, so that the thickness of the steel slag flowing out of the outlet can be changed as required.
According to the atomization treatment device for the liquid steel slag, provided by the utility model, the airflow mechanism comprises a compressed air system, a pipeline and a rectangular nozzle, wherein the rectangular nozzle is connected to the compressed air system through the pipeline;
and the rectangular nozzles are arranged in a transverse direction, and the transverse width of the rectangular nozzles is equal to the width of the outlet.
According to the atomization treatment device for the liquid steel slag, provided by the utility model, the nozzle is arranged on the lifting platform, and the spraying angle of the nozzle can be adjusted through the lifting platform.
According to the atomization treatment device for the liquid steel slag, which is provided by the utility model, the dust removal device sequentially comprises a treatment device and a precipitation device from top to bottom;
the settling device is communicated with the steel slag atomization gas quenching chamber through a plurality of pipelines, and an induced draft fan is arranged on the pipelines.
According to the atomization treatment device for the liquid steel slag, which is provided by the utility model, the treatment device comprises a tower body, and a liquid accumulation disc, a washing layer and a high-efficiency dust removal structure which are positioned in the tower body and are sequentially arranged from the bottom to the top of the tower body;
wherein, be provided with the wind channel entry between hydrops dish and washing layer, the pipeline is connected in the wind channel entry.
According to the atomization treatment device for the liquid steel slag, provided by the utility model, the precipitation device is arranged at the lower part of the tower body and is communicated with the bottom of the tower body; the sedimentation device comprises a water inlet pipe, and the water inlet pipe is communicated with the effusion disc;
wherein, the water inlet pipe is connected with a water distribution plate.
Compared with the traditional liquid steel slag treatment device, the liquid steel slag atomization treatment device provided by the utility model takes the steel slag atomization gas quenching chamber as a core treatment area, and other waste heat recovery equipment, the dust removal device, the steel slag distributing mechanism and the airflow mechanism are respectively arranged around the steel slag atomization gas quenching chamber, so that the structure design is compact, the floor area of the treatment device is smaller, and the investment is less.
In addition, the angle of the high-speed airflow can be adjusted up and down through a freely telescopic lifting platform arranged below the airflow mechanism, so that the most appropriate air crushing angle can be adjusted according to the actual size of the steel slag atomization air quenching chamber, and the cooling speed and the granularity of the steel slag can be ensured; and the heat exchange equipment on the upper part of the steel slag atomization gas quenching chamber can quickly recycle heat.
Finally, the dust generated in the gas crushing process of the steel slag is collected and treated in a centralized manner through the dust removal device, so that the working environment of the steel slag atomization gas quenching chamber can be effectively improved, resources can be saved, the resources generated by collection and treatment can be recycled, and the economic concept of energy conservation and environmental protection is met.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an apparatus for atomizing liquid steel slag according to the present invention;
FIG. 2 is a schematic structural diagram of a dust removing apparatus in the device for atomizing liquid steel slag provided by the present invention;
FIG. 3 is a schematic flow chart of the method for atomizing liquid steel slag according to the present invention;
reference numerals:
10: a steel slag atomization gas quenching chamber; 20: a waste heat recovery device; 30: a dust removal device;
31: a processing device; 311: a tower body; 312: a liquid accumulation plate;
313: a washing layer; 314: an air duct inlet; 315: a demister;
32: a precipitation device; 321: a water inlet pipe; 322: a water distribution plate;
323: a mud collection hopper; 324: a water collection tank; 33: an induced draft fan;
34: a pipeline; 40: a steel slag distributing mechanism; 50: an air flow mechanism;
60: a slag pot; 70: slag pot tilting mechanism.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. "first", "second", "third" and "fourth" do not denote any sequence relationship, but are merely used for convenience of description. The specific meaning of the above terms in the utility model can be understood in specific cases to those of ordinary skill in the art.
Embodiments of the present invention will be described below with reference to fig. 1 to 3. It should be understood that the following description is only exemplary embodiments of the present invention and is not intended to limit the present invention in any way.
Referring to fig. 1 in detail, a first aspect of the present invention provides an atomization treatment apparatus for liquid steel slag, including a steel slag atomization gas quenching chamber 10, a waste heat recovery device 20, a dust removal device 30, a steel slag distributing mechanism 40, and an airflow mechanism 50, wherein the dust removal device 30 and the steel slag distributing mechanism 40 are respectively communicated with the steel slag atomization gas quenching chamber 10, the dust removal device 30 is configured to collect and treat smoke dust in the steel slag atomization gas quenching chamber, and the steel slag distributing mechanism 40 is configured to feed the steel slag atomization gas quenching chamber; the air flow mechanism 50 is communicated with the steel slag distributing mechanism 40 and is used for providing high-speed air flow for the steel slag distributing mechanism 40 so that the surface tension of the liquid steel slag is rapidly split into fine particles under the action of the high-speed air flow; the waste heat recovery device 20 is located in the steel slag atomization gas quenching chamber 10 and is used for collecting waste heat in the cooling process of liquid steel slag.
It can be understood that the liquid steel slag atomization treatment device provided by the utility model takes the steel slag atomization gas quenching chamber 10 as a core treatment area, and other waste heat recovery devices 20, the dust removal device 30, the steel slag distributing mechanism 40 and the airflow mechanism 50 are respectively arranged around the steel slag atomization gas quenching chamber 10, so that the structure design is compact, the occupied area of the treatment device is small, and the production cost is low.
Further, the utility model provides an atomization treatment device for liquid steel slag, which further comprises a slag pot 60 and a slag pot tipping mechanism 70. Wherein, in some embodiments, the slag pot 60 is located on the slag pot tilting mechanism 70, and the slag pot tilting mechanism 70 can not only tilt the slag pot 60 to make the steel slag flow into the steel slag distributing mechanism 40, but also heat the slag pot 60 to make the steel slag have enhanced fluidity and more conveniently flow into the steel slag distributing mechanism 40.
Specifically, the slag pot tilting mechanism 70 includes a frame, a limiting slot (not shown in the figure) movably connected to the frame, and a hydraulic push rod hinged to one side or both sides of the limiting slot through a support lug (not shown in the figure).
After the slag pot 60 is filled with the liquid steel slag and placed on the limiting clamping groove on the slag pot tilting mechanism 70, the hydraulic push rod is started to tilt the liquid steel slag into the steel slag distributing mechanism 40
In addition to the slag pot tilting mechanism 70, the slag pot tilting mechanism can be of other structures, for example, the slag pot 60 is movably connected to a frame, a steel wire rope is fixedly connected to the tilting end of the slag pot 60, the steel wire rope is driven by a rope pulley fixed to the frame, a winch is connected to the end of the steel wire rope far away from the slag pot 60, and the steel wire rope is wound and unwound by the winch, so that the slag pot 60 swings and tilts on the frame.
Further, in order to automatically return the slag pot 60 to the horizontal state or the initial state, a return spring may be connected between the housing and the slag pot 60 so that the slag pot 60 can be automatically returned to the original position after the liquid steel slag is poured.
Specifically, the structure of the steel slag atomized gas quenching chamber 10 is a cone top mode in which dust-containing gas is easily collected, specifically, the steel slag atomized gas quenching chamber 10 is a circular cone top device, and by adopting the device, materials can be greatly saved, and the pressure-bearing capacity can be increased.
Specifically, the waste heat recovery device 20 is a tubular heat exchange device, which can perform gas-gas or gas-water heat exchange.
When the waste heat recovery apparatus 20 performs gas-gas heat exchange, the waste heat recovery apparatus 20 may be configured to: the channels on two sides are separated by the surrounding pipe box and the middle partition plate, the heat pipes are full finned pipes, and a single heat pipe can be replaced. When the high-temperature flue gas washing device works, high-temperature flue gas flows upwards from the left channel to wash the heat pipe, at the moment, the heat pipe absorbs heat, and the heat release temperature of the flue gas is reduced. The heat absorbed by the heat pipe leads to the right end, and the cold air reversely flushes the heat pipe from the right channel downwards, so that the heat pipe releases heat, and the heat absorption temperature of the air is increased.
When the waste heat recovery apparatus 20 performs air-water heat exchange, the waste heat recovery apparatus 20 may be configured as: the lower part is a flue, the upper part is a water tank, the middle part is provided with a clapboard, the top part is provided with a safety valve, a pressure gauge and a thermometer interface, and the water tank is provided with a water inlet and a sewage outlet. When the device works, smoke flows through the flue of the heat pipe waste heat return device to wash the lower end of the heat pipe, the heat pipe absorbs heat and then conducts the heat to the upper end, and the upper end of the heat pipe releases heat to heat water.
In this embodiment, the waste heat recovery device 20 is disposed at the upper end of the steel slag atomized gas quenching chamber 10, and can collect heat generated in the cooling process.
Specifically, the dust removing device 30 comprises a processing device 31, a settling device 32, an induced draft fan 33 and a plurality of pipelines 34, wherein the processing device 31 is used for processing the discharged gas, and the settling device 32 is used for settling larger particle pollutants; the pipeline is connected with the device 31 and the steel slag atomized gas quenching chamber 10, and the induced draft fan 33 is installed on the pipeline 34 and used for guiding the gas generated by the steel slag atomized gas quenching chamber 10 into the processing device 31.
As shown in fig. 2, the processing device 31 includes a tower body 311, and a liquid collecting tray 312, a washing layer 313 and a high-efficiency dust removing structure which are located in the tower body 311 and are sequentially arranged from the bottom to the top of the tower body 311.
Wherein, an air duct inlet 314 is arranged on the tower body 311 and between the liquid accumulation disc 312 and the washing layer 313, the flue gas of the steel slag atomization gas quenching chamber 10 can enter the tower body 311 through the air duct inlet 314, the top of the tower body 311 is provided with an opening, and the flue gas after purification and dust removal treatment can be directly discharged to the atmosphere through the opening.
Wherein, hydrops dish 312 is the back taper structure, the liquid that the scrubbing layer 313 of being convenient for gather falls down, and hydrops dish 312 and tower body 311's inner wall fixed connection. A plurality of gas shields 3121 are provided on the effusion disk 312 for preventing liquid from passing through the effusion disk 312, and the gas shields 3121 only allow gas to pass through.
The plurality of nozzles 131 are arranged on the washing layer 313, and the nozzles 131 spray the washing liquid downward (that is, the nozzles 131 spray downward from above the tower body 311), so that the washing liquid is in reverse contact with the flue gas entering the tower body 311 through the air duct inlet 314, thereby washing the dust in the flue gas.
Wherein, high-efficient dust collecting structure includes defroster 315, and defroster 315 can be equipped with the multilayer along the direction of height of tower body 311 interval, and the flue gas through washing layer 313 passes through defroster 315 and gets rid of dust particle and liquid drop to the flue gas that the messenger discharged out is cleaner.
As shown in fig. 2, the settling device 32 is disposed at a position near the lower end of the tower body 311, and is communicated with the bottom of the tower body 311, a water inlet pipe 321 is vertically disposed in the settling device 32, the top end of the water inlet pipe 321 is communicated with the lowest end of the liquid loading tray 312, and the washing liquid and other liquids accumulated on the liquid loading tray 312 can fall into the settling device 32 through the water inlet pipe 321 to be collected and settled.
Wherein, the bottom end of the water inlet pipe 321 is fixedly connected with a water distribution plate 322, the water distribution plate 322 is in an umbrella structure, the liquid flowing out through the water inlet pipe 321 firstly impacts the water distribution plate 322 and is guided into the precipitation device 32 through the water distribution plate 322; the shape of the water distribution plate 322 can prolong the flow path and flow time of the liquid, so that impurities such as dust in the liquid can be fully precipitated.
Wherein, the bottom surface is equipped with sludge collection fill 323 in the sediment device 32, and sludge collection fill 323 is the back taper structure, and the impurity such as the dust of being convenient for subsides, is equipped with the drain that is used for the blowdown on sludge collection fill 323, and debris such as the dust that subsides are discharged by this drain.
Wherein, a water collecting tank 324 is arranged in the sedimentation device 32 along the circumferential direction of the inner wall of the tower body 311, along with the increase of the liquid in the sedimentation device 32, when the water level of the liquid in the sedimentation device 32 exceeds the edge of the water collecting tank 324, the liquid overflows the water collecting tank 324 and is discharged from the opening of the water collecting tank 324, and the discharged liquid can be recycled.
Specifically, the steel slag distributing mechanism 40 is a mechanism that can make the steel slag in a molten state flow out from the lower end of the steel slag distributing mechanism 40 according to a certain thickness and a certain length, and the thickness of the flowing steel slag can be adjusted.
Specifically, the upper part of the steel slag distributing mechanism 40 is in a bell mouth shape, the lower part of the steel slag distributing mechanism is an outlet similar to a rectangle or a rectangle, and the short side of the rectangular outlet can be adjusted according to requirements.
The steel slag distributing mechanism 40 comprises a handle, a tongue plate, a fixing plate and the like, the size of an opening can be adjusted through the angle of the tongue plate by the handle, the tongue plate is located in the opening, threaded rods are movably connected to the two sides of the tongue plate, one end of each threaded rod is connected with the handle, the inclination angle of the tongue plate can be adjusted by rotating the handle, and then the size of the opening is adjusted.
The specific thickness of the steel slag flowing out from the steel slag distributing mechanism 40 can be calculated according to the following formula (1-1):
wherein: delta is the thickness of the liquid steel slag;
d is the diameter of the steel slag to be atomized and granulated;
we is the Weber number of the liquid steel slag;
re is the Reynolds number of air;
k and n are constants of different steel slags determined according to experiments.
Before the liquid slag is guided into the distributing device, the handle on the distributing device is firstly adjusted, the outlet of the distributing device is adjusted to a proper size, and then the liquid slag is poured into the distributing device.
In the using process of the utility model, continuous compressed air with 1-2 MPa is connected into the air flow mechanism 50, the rectangular nozzle of the high-speed air flow mechanism 50 can spray high-speed air flow with Mach 1-2, the high-speed air flow directly acts on the banded liquid steel slag and sprays the banded liquid steel slag to the steel slag atomization air quenching chamber 10, the high-speed air flow mechanism 50 can generate high-speed air flow with the same width as the banded liquid steel slag, the upper and lower angles can be adjusted according to the actual situation, the liquid steel slag can be rapidly split into fine particles under the action of surface tension and high-speed air flow, then the granulation and cooling are carried out in the steel slag atomization air quenching chamber 10, and the particles can be rapidly contracted into spherical fine particles under the action of cooling air.
Specifically, the air flow mechanism 50 may include a compressed air system, a pipeline and a rectangular nozzle, the compressed air system is communicated with the rectangular nozzle through the pipeline, and the rectangular nozzle is disposed inside the outlet of the steel slag distributing mechanism 40.
Furthermore, the rectangular nozzle can be composed of three rectangular high-speed atomizing nozzles, the three rectangular nozzles are transversely arranged, the transverse width of the nozzle is the same as the transverse length of the outlet of the steel slag distributing mechanism 40, it is ensured that liquid steel slag flowing out of the outlet of the steel slag distributing mechanism 40 can be sprayed by high-speed airflow, and a lifting platform which can freely stretch up and down is installed below the nozzle and used for adjusting the spraying angle and the spraying height of the nozzle, so that the nozzle can be adjusted along with the outlet position of the steel slag distributing mechanism 40.
When the liquid steel slag flows out of the steel slag distributing mechanism 40, the high-pressure air flow provided by the compressed air system can be directly sprayed on the liquid steel slag through the nozzle, and the liquid steel slag is scattered and granulated by the high-pressure air flow and is cooled once.
In addition, an air damper can be arranged in the pipeline, and the air damper is arranged between the high-pressure fan and the nozzle and is used for damping the pipeline.
The liquid steel slag is treated by an atomized gas quenching method in the steel slag atomized gas quenching chamber 10, the liquid steel slag in a molten state is crushed and cooled under the strong airflow impact force and the cooling action released by the airflow mechanism 50, so as to realize granulation of the liquid steel slag, the airflow mechanism 50 can provide high-speed airflow with the continuous speed reaching mach 1 to mach 2, and the steel slag is rapidly cooled under the action of the high-speed airflow and is rapidly crushed and granulated under the action of the tension on the surface of the steel slag.
Meanwhile, the molten steel slag exchanges heat with the high-speed airflow, and waste heat is recovered under the action of heat exchange equipment (namely, the waste heat recovery equipment 20), so that the aims of crushing and granulating the steel slag gas and recovering the waste heat are fulfilled.
In addition, the dust generated in the gas crushing process of the steel slag is collected and intensively treated by the dust removal device 30, so that the working environment of the steel slag atomization gas quenching chamber 10 can be effectively improved, resources can be saved, the resources generated by collection and treatment can be recycled, and the economic concept of energy conservation and environmental protection is met.
In the conventional steel slag air quenching treatment, because the flowing thickness of the steel slag can not be adjusted, the granulation diameter of the steel slag is finally larger, and meanwhile, the applicability of an air quenching system to the steel slag is also poorer, so in order to solve the defects in the steel slag treatment process by a transmission air quenching method, as shown in fig. 3, the utility model provides a liquid steel slag atomization treatment method on the other hand, which comprises the following steps:
step S10: determining the feeding thickness of the steel slag distributing mechanism 40 by calculation according to the diameter of the steel slag to be granulated and the property (type) of the steel slag;
step S20: connecting continuous compressed air of 1 to 2 MPa to the air flow mechanism 50, enabling the air flow mechanism 50 to spray a banded high-speed air flow of which the width is the same as that of the feeding thickness and is in a range of Mach 1 to 2, and opening a high-pressure water vapor pipeline;
step S30: pouring liquid steel slag into a slag tank 60, pouring the liquid steel slag into a steel slag distributing mechanism 40 at a constant speed through a slag tank tilting mechanism 70, blowing the liquid steel slag into a steel slag atomizing and quenching chamber 10 by high-speed airflow after the liquid steel slag is discharged from the steel slag distributing mechanism 40, and forming a finished product after the steel slag is atomized in the air, falling and collecting the finished product;
step S40: and stopping the work of the slag ladle tilting mechanism 70 and the steel slag distributing mechanism 40, closing the high-pressure water vapor pipeline, and collecting finished products after waiting for 1-2 hours.
The innovation points of the utility model are mainly as follows:
compared with the traditional liquid steel slag treatment device, the liquid steel slag atomization treatment device provided by the utility model takes the steel slag atomization gas quenching chamber 10 as a core treatment area, and other waste heat recovery equipment 20, the dust removal device 30, the steel slag distributing mechanism 40 and the airflow mechanism 50 are respectively arranged around the steel slag atomization gas quenching chamber 10, so that the structure design is compact, the occupied area of the treatment device is smaller, and the investment is less.
In addition, the angle of the high-speed airflow can be adjusted up and down through the freely telescopic lifting platform arranged below the airflow mechanism 50, so that the most suitable air crushing angle can be adjusted according to the actual size of the steel slag atomized air quenching chamber 10, the cooling speed of the steel slag can be guaranteed, the granularity of the steel slag can be guaranteed, and heat exchange equipment on the upper part of the steel slag atomized air quenching chamber 10 can quickly recycle heat.
Finally, the dust generated in the gas crushing process of the steel slag is collected and treated in a centralized way through the dust removal device 30, so that the working environment of the steel slag atomization gas quenching chamber 10 can be effectively improved, resources can be saved, the resources generated by collection and treatment can be recycled, and the economic concept of energy conservation and environmental protection is met.
In addition, the utility model provides an atomization treatment method of liquid steel slag, which effectively solves the problems that the granulation diameter of the steel slag is larger and the applicability of a wind quenching system to the steel slag is poorer due to the fact that the flowing thickness of the steel slag cannot be adjusted in the traditional steel slag wind quenching treatment.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. An atomization treatment device for liquid steel slag is characterized by comprising:
a steel slag atomization gas quenching chamber;
the waste heat recovery device is positioned inside the steel slag atomization gas quenching chamber, is arranged at the upper part of the steel slag atomization gas quenching chamber and is used for collecting waste heat in the steel slag atomization gas quenching chamber;
the dust removal device is communicated with the steel slag atomized gas quenching chamber and is used for collecting and treating smoke dust in the steel slag atomized gas quenching chamber;
the steel slag distributing mechanism is connected to one side of the steel slag atomization gas quenching chamber and is used for feeding the steel slag atomization gas quenching chamber;
and the air flow mechanism is communicated with the steel slag distributing mechanism and is used for providing high-speed air flow for the steel slag distributing mechanism.
2. The device for atomizing liquid steel slag according to claim 1, further comprising a slag pot and a slag pot tilting mechanism;
the slag pot is arranged on the slag pot tilting mechanism, and the slag pot tilting mechanism is close to the steel slag distributing mechanism and can tilt the slag pot to the steel slag distributing mechanism.
3. The device for atomizing liquid steel slag according to claim 1 or 2, wherein said steel slag distributing mechanism comprises a body, and an outlet disposed on said body, said outlet being shaped as a belt.
4. The apparatus of claim 3, wherein the steel slag distribution mechanism is capable of adjusting the width of the outlet by an adjusting mechanism, so that the thickness of the steel slag flowing out of the outlet can be changed as required.
5. The device for atomizing liquid steel slag according to claim 4, wherein said air flow mechanism comprises a compressed air system, a pipeline and a rectangular nozzle, said rectangular nozzle is connected to said compressed air system through said pipeline;
and the rectangular nozzles are arranged in a transverse direction, and the transverse width of the rectangular nozzles is equal to the width of the outlet.
6. The device for atomizing liquid steel slag according to claim 5, wherein said nozzle is mounted on a lifting platform, and the spraying angle of said nozzle can be adjusted by said lifting platform.
7. The atomization treatment device for the liquid steel slag according to claim 1 or 2, wherein the dust removal device comprises a treatment device and a precipitation device in sequence from top to bottom;
the settling device is communicated with the steel slag atomization gas quenching chamber through a plurality of pipelines, and an induced draft fan is arranged on the pipelines.
8. The atomization treatment device for the liquid steel slag as claimed in claim 7, wherein the treatment device comprises a tower body, and a liquid accumulation disc, a washing layer and a high-efficiency dust removal structure which are positioned in the tower body and are sequentially arranged from the bottom to the top of the tower body;
wherein, be provided with the wind channel entry between hydrops dish and washing layer, the pipeline is connected in the wind channel entry.
9. The atomization treatment device for liquid steel slag according to claim 8, wherein the precipitation device is arranged at the lower part of the tower body and is communicated with the bottom of the tower body; the sedimentation device comprises a water inlet pipe, and the water inlet pipe is communicated with the effusion disc;
wherein, the water inlet pipe is connected with a water distribution plate.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113789417A (en) * | 2021-09-28 | 2021-12-14 | 北京中航天业科技有限公司 | Atomization treatment device and treatment method for liquid steel slag |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113789417A (en) * | 2021-09-28 | 2021-12-14 | 北京中航天业科技有限公司 | Atomization treatment device and treatment method for liquid steel slag |
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