CN110724773B - Steel slag hot-closed tank for preliminary screening of dust removal slag - Google Patents
Steel slag hot-closed tank for preliminary screening of dust removal slag Download PDFInfo
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- CN110724773B CN110724773B CN201911196913.4A CN201911196913A CN110724773B CN 110724773 B CN110724773 B CN 110724773B CN 201911196913 A CN201911196913 A CN 201911196913A CN 110724773 B CN110724773 B CN 110724773B
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- Prior art keywords
- slag
- air outlet
- tank body
- tank
- dust
- Prior art date
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- 239000002893 slag Substances 0.000 title claims abstract description 125
- 238000012216 screening Methods 0.000 title claims abstract description 41
- 239000000428 dust Substances 0.000 title claims abstract description 39
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 35
- 239000010959 steel Substances 0.000 title claims abstract description 35
- 230000007306 turnover Effects 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000007873 sieving Methods 0.000 claims description 9
- 239000013618 particulate matter Substances 0.000 claims description 4
- 239000013049 sediment Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000008187 granular material Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000005192 partition Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 238000007885 magnetic separation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229910001341 Crude steel Inorganic materials 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- JHLNERQLKQQLRZ-UHFFFAOYSA-N calcium silicate Chemical compound [Ca+2].[Ca+2].[O-][Si]([O-])([O-])[O-] JHLNERQLKQQLRZ-UHFFFAOYSA-N 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- 235000012241 calcium silicate Nutrition 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229910052839 forsterite Inorganic materials 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
- C21B3/10—Slag pots; Slag cars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
- B07B4/08—Separating solids from solids by subjecting their mixture to gas currents while the mixtures are supported by sieves, screens, or like mechanical elements
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/05—Apparatus features
- C21B2400/066—Receptacle features where the slag is treated
- C21B2400/068—Receptacle features where the slag is treated with a sealed or controlled environment
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/05—Apparatus features
- C21B2400/066—Receptacle features where the slag is treated
- C21B2400/072—Tanks to collect the slag, e.g. water tank
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Iron (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The invention relates to the technical field of metallurgical equipment, in particular to a steel slag hot disintegrating tank for primarily screening dust removal slag, which comprises a tank body and a slag screening device, and is characterized in that: the tank body is a rectangular box body with a hollow inside, a turnover bin is arranged on one side of the bottom of the tank body, and a turnover vehicle is arranged in the turnover bin; an upper air outlet is formed in the upper portion of the side wall of the tank body, a slag screening device is externally connected to the upper air outlet, a lower air outlet is formed in the position, lower than the upper air outlet, of the other side wall of the tank body, and the lower air outlet is externally connected with another slag screening device. The beneficial effects of the invention are as follows: the multi-layer slag screening device is arranged in the steel slag hot disintegrating tank, and the slag screening devices with different heights and different apertures can primarily screen out dust and slag particles with different diameters after disintegrating slag is finished, so that the workload in the next working procedure is reduced, and the working efficiency is improved. The dust and slag of different size granule that sorts and screens are deposited in the dust and slag storage tank alone, can directly retrieve the recycle.
Description
Technical Field
The invention relates to the technical field of metallurgical equipment, in particular to a steel slag hot-closed tank for primarily screening dust-removing slag.
Background
The steel slag is a necessary product of converter steelmaking and accounts for about 10 to 15 percent of the yield of the crude steel. The main mineral components of the steel slag are dicalcium silicate, calcium forsterite, calmaglobemite, dicalcium ferrite, free calcium oxide and free magnesium oxide, and part of residual steel, ferric oxide and the like are wrapped. Wherein, the mass fraction of the iron element is about 10% -20%, and after the iron element is recovered, the iron element can be used as raw materials of steel slag micro powder, steel slag block bricks, roadbed water stabilization layers and the like, and has high recovery and reutilization values.
The current steel slag hot disintegrating process comprises the following steps: the converter slag with the temperature of 300 ℃ to 1500 ℃ is put into a slag pot, the converter slag is transported to a slag hot-disintegrating treatment production line by a train, the slag is turned into a hot-disintegrating pool by a 75t/45t crown block, the hot-disintegrating pool is put into a two-thirds back cover hot-disintegrating cover, water is controlled by a central control room to produce steam to digest the slag, water is stopped after 10 hours to 12 hours, after 2 hours to 4 hours of standing, the temperature in the hot-disintegrating pool is reduced to below 60 ℃, the cover is opened, the raw slag is transported to a magnetic separation vibrating screen by the excavator, and the raw slag is transported to a crushing, screening, magnetic separation and purification processing production line by a rubber belt machine.
After the cover is opened, the steel slag and the dust slag which are digested and separated are still mixed together, the raw slag is required to be further screened, the size of non-steel slag particles after magnetic separation is different, recycling is inconvenient, the working procedure is complicated, and the efficiency is low.
For this purpose, it is necessary to design an apparatus that can directly screen the dust-removing slag in the hot-closed tank to solve the above-mentioned problems.
Disclosure of Invention
The invention provides a steel slag hot-closed tank for primarily screening and dedusting slag, which aims to overcome the defect of complicated secondary processing procedures of steel slag after hot-closed in the prior art.
The invention is realized by the following technical scheme:
the utility model provides a preliminary sieve steel slag hot disintegrating tank of dust removal sediment, includes the jar body and sieve sediment device, its characterized in that:
the tank body is a rectangular box body with a hollow inside, a turnover bin is arranged on one side of the bottom of the tank body, and a turnover vehicle is arranged in the turnover bin; the upper part of one side of the turnover bin is provided with a through hole as an air inlet, the air inlet is externally connected with a blower, the lower part of the other side of the turnover bin is provided with a through hole as a water outlet,
the water outlet is externally connected with a drain pipe; an upper air outlet is formed in the upper portion of the side wall of the tank body, a slag screening device is externally connected to the upper air outlet, a lower air outlet is formed in the position, lower than the upper air outlet, of the other side wall of the tank body, and the lower air outlet is externally connected with another slag screening device.
Further, in order to better realize the invention, the residue sieving device comprises an automatic opening and closing device, an air pipe connected with an automatic closing device and a residue storage tank; the automatic opening and closing device comprises a connecting block connected to the outer side of the air outlet, a vent is formed in the left and right sides of the connecting block, a screen is arranged between the connecting block and the upper air outlet, a notch is formed in the center of the bottom of the connecting block, a baffle is movably inserted in the notch, the bottom of the baffle is fixedly connected with the top of an electric push rod, the bottom of the electric push rod is fixed on a supporting seat, and the supporting seat is fixed on the side wall of the tank body.
Further, in order to better realize the invention, two slag sieving devices are arranged, the other is arranged at the lower air outlet, and particulate matter sensors are arranged in air pipes of the two slag sieving devices; the particulate matter sensor and the electric push rod are connected with the PLC.
Further, in order to better realize the invention, the mesh diameter of the screen mesh of the slag screening device at the upper air port is smaller than that of the screen mesh of the slag screening device at the lower air outlet.
Further, in order to better realize the invention, grooves are arranged on two sides of the bottom of the turnover bin and serve as travelling rails, wedge-shaped blocks are smoothly connected to the tail ends of the travelling rails and serve as inclined tables, the turnover vehicle comprises a vehicle hopper and a vertical plate fixed on one side of the vehicle hopper, a handle is arranged on the vertical plate, wheels matched with the travelling rail are arranged at the bottom of the vehicle hopper, and drain holes are formed in positions, corresponding to drain pipes, of the vehicle hopper after the vehicle hopper is completely pushed into the turnover bin.
Further, in order to better realize the invention, the upper part of the turnover bin is provided with a baffle bin, a baffle is inserted in the baffle bin, and a plurality of through holes are formed in the baffle.
Further, in order to better realize the invention, the top of the tank body is provided with a thermal cover, and the bottom of a cover plate of the thermal cover is provided with a stirrer connected with a rotating motor.
The beneficial effects of the invention are as follows:
the multi-layer slag screening device is arranged in the steel slag hot disintegrating tank, and the slag screening devices with different heights and different apertures can primarily screen out dust and slag particles with different diameters after disintegrating slag is finished, so that the workload in the next working procedure is reduced, and the working efficiency is improved. The dust and slag with different size particles which are classified and screened are independently stored in the dust and slag storage tank, so that further classification is avoided, and the dust and slag can be directly recycled.
Drawings
FIG. 1 is an exploded view of a steel slag hot-closed tank of the preliminary screen dust removing slag according to the present invention;
FIG. 2 is a schematic diagram showing a three-dimensional structure of a steel slag hot-closed tank for primarily screening dust-removing slag;
FIG. 3 is a schematic diagram showing a front view of a steel slag hot disintegrating pot for primarily screening dust-removing slag;
FIG. 4 is a schematic side view of a steel slag hot-closed tank for primarily screening dust-removing slag;
FIG. 5 is a cross-sectional view of the steel slag hot-disintegrating pot of the preliminary screen dust removing slag of the present invention from FIG. 4 A-A;
FIG. 6 is a schematic diagram of a tank body structure of a steel slag hot-closed tank for primarily screening dust-removing slag;
FIG. 7 is a schematic diagram of a perspective structure of a turnover vehicle of a steel slag hot-closed tank for primarily screening dust-removed slag;
FIG. 8 is a schematic diagram showing a perspective view of a slag screening device of a slag hot-closed tank for primarily screening dust-removed slag;
FIG. 9 is a schematic perspective view of an automatic opening and closing device of a steel slag hot-closed tank for primarily screening dust-removing slag;
fig. 10 is a schematic diagram showing a three-dimensional structure of an automatic opening and closing device of a steel slag hot-closed tank for primarily screening dust-removing slag according to the second embodiment of the invention;
FIG. 11 is a longitudinal sectional view of an automatic opening and closing device of a steel slag hot-closed tank for primarily screening dust-removed slag according to the present invention;
fig. 12 is a schematic perspective view of a thermal cover of the preliminary screen dust removal slag of the present invention.
In the drawing the view of the figure,
1. a tank body 101, a turnover bin 1011, a travelling rail 1012, an inclined table 102, a baffle bin 103, an upper air outlet 104 and a lower air outlet,
2. the partition board is provided with a plurality of grooves,
3. a turnover vehicle 301, a vehicle hopper 302, a vertical plate 303, wheels 304 and drain holes,
4. a residue sieving device 401, an automatic opening and closing device 4011, a connecting block 4012, a vent hole 4013, a screen, a 4014, a baffle, a 4015, an electric push rod 4016, a supporting seat 402, an air pipe 403 and a residue storage tank,
5. a thermal cover, 501, a cover plate, 502, a stirrer, 6, a blower, 7 and a 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 accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "middle", "upper", "lower", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. Either mechanically or electrically. Can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Some embodiments of the present invention are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.
Fig. 1-12 are views showing a steel slag hot-closed tank for preliminary dust-removing slag screening, which is composed of a tank body 1 and a slag screening device 4 arranged on the tank body, wherein the tank body 1 is a rectangular box body with a hollow inside, a turnover bin 101 is arranged at one side of the bottom of the tank body 1, and a turnover vehicle 3 is arranged in the turnover bin 101 and used for transferring the steel slag with good hot-closed state; the upper part of one side of the turnover bin 101 is provided with a through hole as an air inlet, the air inlet is externally connected with a blower 6, the air flows upwards after entering the turnover bin, the lower part of the other side of the turnover bin 101 is provided with a through hole as a water outlet, and the water outlet is externally connected with a drain pipe 7 for draining accumulated water; an upper air outlet 103 is formed in the upper portion of the side wall of the tank body 1, a slag screening device 4 is externally connected to the upper air outlet 103, a lower air outlet 104 is formed in the position, lower than the upper air outlet 103, of the other side wall of the tank body 1, the lower air outlet 104 is externally connected with another slag screening device 4, and a plurality of upper air outlets and lower air outlets can be arranged according to requirements so as to meet screening work of particle dust and slag of different sizes.
The dreg sieving device 4 in the embodiment comprises an automatic opening and closing device 401, an air pipe 402 connected with the automatic closing device 401 and a dreg storage tank 403; the automatic opening and closing device 401 comprises a connecting block 4011 connected to the outer side of an upper air outlet 103, a vent 4012 is formed in the left and right of the connecting block 4011, a screen 4013 is arranged between the connecting block 4011 and the upper air outlet 103, a notch is formed in the center of the bottom of the connecting block 4011, a baffle 4014 is movably inserted in the notch, the bottom of the baffle 4014 is fixedly connected with the top of an electric push rod 4015, the bottom of the electric push rod 4015 is fixed on a supporting seat 4016, and the supporting seat 4016 is fixed on the side wall of the tank body 1. The other slag screening device 4 is arranged at the lower air outlet 104, and particle sensors are arranged in the air pipes 402 of the two slag screening devices 4; the particle sensor and the electric push rod 4015 are connected with the PLC, and the particle sensor detects dust concentration to feed back and control the push-pull of the electric push rod 4015. The mesh diameter of the screen mesh of the slag device 4 at the upper tuyere 103 is smaller than that of the screen mesh of the slag device 4 at the lower air outlet 104 because small-sized particles are light in weight and are more easily blown to be raised.
The bottom both sides of turnover storehouse 101 of this embodiment are equipped with the recess and regard as driving track 1011, and driving track 1011's end smooth connection has the wedge to regard as sloping platform 1012, makes things convenient for the business turn over of turnover car 3, and turnover car 3 includes hopper 301 and fixes riser 302 in hopper 301 one side, is provided with the handle on riser 302, and hopper 301 bottom is equipped with the wheel 303 of cooperation driving track 1011 size, and the position that corresponds drain pipe 7 after hopper 301 pushed into turnover storehouse 101 completely opens has the wash port 304. After the hopper 301 is completely in, a locking device and a sealing ring are arranged between the vertical plate 302 and the tank body, so that the gas blown by the blower 6 is prevented from escaping at the opening of the turnover bin 101.
The upper portion of turnover storehouse 101 of this embodiment is equipped with baffle storehouse 102, has inserted baffle 2 in the baffle storehouse 102, has a plurality of through-holes on the baffle 2. The diameter of the through hole is proper to be the size which can not leak steel slag, and even if dust slag seeps down on the partition plate, the dust slag can be discharged upwards by the air flow driven by the air blower.
In order to improve the fluidity of air, the dust and slag better flows upwards along with the air flow, the top of the tank body 1 is provided with a thermal cover cap 5, the bottom of a cover plate 501 of the thermal cover cap 5 is provided with a stirrer 502 connected with a rotating motor, and after the thermal cover is finished, the stirrer 502 is started, so that the rising air flow at the bottom better contacts the dust and slag and sends the dust and slag into a slag screening device.
The specific use method of the embodiment is as follows:
firstly, according to a conventional steel slag hot-disintegrating process, naturally cooling slag to 300-400 ℃, hoisting the slag into a tank body 1 of the embodiment by using a crown block after the slag is solidified, stopping the slag on a partition plate 2, then covering the hot-disintegrating tank, performing water spraying hot-disintegrating, maintaining a disintegrating slag pool at a sufficient steam temperature by adjusting water spraying intensity, water-slag ratio and exhaust water discharge, closing a drain pipe and a vent hole of a top cover after the steam is exhausted by hot-disintegrating, and entering the operation of screening dust and slag of the embodiment.
The stirrer 502 is opened, the blower 6 is opened, the air flow enters the turnover bin 101 and then is impacted upwards through the through hole of the partition plate 2, at the moment, only the baffle 4014 of the automatic opening and closing device 401 positioned at the upper air outlet 103 is opened, the dust with the smallest particles flows into the dust and slag storage tank from the dust and slag storage tank, when the particle sensor arranged on the air pipe 402 detects that the dust concentration is reduced to be zero, the dust and slag with the particle size in the tank are completely screened, the PLC controller controls the electric push rod at the high position to push upwards through the feedback of the particle sensor, the air passage of the upper air outlet 103 is closed, meanwhile, the electric push rod at the lower air outlet is controlled to move downwards, the baffle below is opened, so that the dust and slag with larger particles flows into the dust and slag storage tank below, and after the particle sensor at the lower position also cannot detect the dust with high concentration, the dust and slag is classified and screened, the partition plate 2 can be pulled out, so that pure slag steel falls into the turnover vehicle 3 to be transported away.
The dust and slag storage tanks store dust and slag with the same size particles, and the dust and slag can be directly recycled according to different requirements corresponding to different sizes.
Finally, it is noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present invention, and that other modifications and equivalents thereof by those skilled in the art should be included in the scope of the claims of the present invention without departing from the spirit and scope of the technical solution of the present invention.
Claims (3)
1. The utility model provides a preliminary sieve steel slag hot disintegrating tank of dust removal sediment, includes a jar body (1) and sieve sediment device, its characterized in that:
the tank body (1) is a rectangular box body with a hollow inside, a turnover bin (101) is arranged on one side of the bottom of the tank body (1), and a turnover vehicle (3) is arranged in the turnover bin (101); the upper part of one side of the turnover bin (101) is provided with a through hole as an air inlet, the air inlet is externally connected with a blower (6), the lower part of the other side of the turnover bin (101) is provided with a through hole as a water outlet, and the water outlet is externally connected with a drain pipe (7); an upper air outlet (103) is formed in the upper portion of the side wall of the tank body (1), a slag sieving device is externally connected to the upper air outlet (103), a lower air outlet (104) is formed in the position, lower than the upper air outlet (103), of the other side wall of the tank body (1), and the lower air outlet (104) is externally connected to another slag sieving device;
the slag screening device comprises an automatic opening and closing device (401), and an air pipe (402) and a dust and slag storage tank (403) which are connected with the automatic opening and closing device (401); the automatic opening and closing device (401) comprises a connecting block (4011) connected to the outer side of an upper air outlet (103), a vent (4012) is formed in the left and right sides of the connecting block (4011), a screen (4013) is arranged between the connecting block (4011) and the upper air outlet (103), a notch is formed in the center of the bottom of the connecting block (4011), a baffle (4014) is movably inserted in the notch, the bottom of the baffle (4014) is fixedly connected with the top of an electric push rod (4015), the bottom of the electric push rod (4015) is fixed on a supporting seat (4016), and the supporting seat (4016) is fixed on the side wall of the tank body (1); two slag sieving devices are arranged, the other one is arranged at the lower air outlet (104), and particulate matter sensors are arranged in air pipes (402) of the two slag sieving devices; the particulate matter sensor and the electric push rod (4015) are connected with the PLC;
grooves are formed in two sides of the bottom of the turnover bin (101) and serve as travelling rails (1011), wedge-shaped blocks are smoothly connected to the tail ends of the travelling rails (1011) and serve as inclined tables (1012), the turnover vehicle (3) comprises a vehicle hopper (301) and a vertical plate (302) fixed on one side of the vehicle hopper (301), a handle is arranged on the vertical plate (302), wheels (303) matched with the travelling rails (1011) in size are arranged at the bottom of the vehicle hopper (301), and drain holes (304) are formed in positions, corresponding to drain pipes (7), of the vehicle hopper (301) after the vehicle hopper (301) is completely pushed into the turnover bin (101); the upper part of the turnover bin (101) is provided with a baffle bin (102), a baffle (2) is inserted into the baffle bin (102), and a plurality of through holes are formed in the baffle (2).
2. The steel slag hot-closed tank for primarily screening and removing dust according to claim 1, wherein: the mesh diameter of the screen mesh of the slag screening device at the upper air outlet (103) is smaller than that of the screen mesh of the slag screening device at the lower air outlet (104).
3. The steel slag hot-closed tank for primarily screening and removing dust according to claim 1, wherein: the top of the tank body (1) is provided with a thermal cover cap (5), and the bottom of a cover plate (501) of the thermal cover cap (5) is provided with a stirrer (502) connected with a rotating motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911196913.4A CN110724773B (en) | 2019-11-29 | 2019-11-29 | Steel slag hot-closed tank for preliminary screening of dust removal slag |
Applications Claiming Priority (1)
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| US7377955B1 (en) * | 2000-11-13 | 2008-05-27 | Daniel Jonathan Shaw | Method and apparatus for treatment of metallurgical slag and the like |
| CN101591717A (en) * | 2008-05-29 | 2009-12-02 | 宝山钢铁股份有限公司 | Steel slag hot disintegrating device |
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| CN209317309U (en) * | 2018-06-22 | 2019-08-30 | 马鞍山市如松冶金科技有限责任公司 | A kind of pit side-suction type dedusting structure system |
| CN110423853A (en) * | 2019-09-12 | 2019-11-08 | 新疆互力佳源环保科技有限公司 | A kind of steel slag hot vexed tank with waste-heat recovery device |
| CN210945657U (en) * | 2019-11-29 | 2020-07-07 | 济南伊斯达自控工程有限公司 | Steel slag hot-disintegrating tank for primarily screening dust slag |
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| US7377955B1 (en) * | 2000-11-13 | 2008-05-27 | Daniel Jonathan Shaw | Method and apparatus for treatment of metallurgical slag and the like |
| CN101591717A (en) * | 2008-05-29 | 2009-12-02 | 宝山钢铁股份有限公司 | Steel slag hot disintegrating device |
| CN102912045A (en) * | 2012-08-14 | 2013-02-06 | 圣火科技(河南)有限责任公司 | Air-driven granulation device |
| CN206325837U (en) * | 2016-12-06 | 2017-07-14 | 西安交通大学 | A kind of solid particle screening plant applied to blast furnace cinder |
| CN209317309U (en) * | 2018-06-22 | 2019-08-30 | 马鞍山市如松冶金科技有限责任公司 | A kind of pit side-suction type dedusting structure system |
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