CN115505655B - Thermal state slag crushing equipment and thermal stewing system - Google Patents
Thermal state slag crushing equipment and thermal stewing system Download PDFInfo
- Publication number
- CN115505655B CN115505655B CN202211203695.4A CN202211203695A CN115505655B CN 115505655 B CN115505655 B CN 115505655B CN 202211203695 A CN202211203695 A CN 202211203695A CN 115505655 B CN115505655 B CN 115505655B
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- China
- Prior art keywords
- slag
- steel slag
- steel
- hot
- receiving tank
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- 239000002893 slag Substances 0.000 title claims abstract description 392
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 129
- 239000010959 steel Substances 0.000 claims abstract description 129
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 238000004891 communication Methods 0.000 claims abstract description 15
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 239000013049 sediment Substances 0.000 claims description 27
- 239000000428 dust Substances 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 24
- 239000007921 spray Substances 0.000 claims description 15
- 239000002245 particle Substances 0.000 claims description 7
- 235000013547 stew Nutrition 0.000 claims description 5
- 238000000746 purification Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 11
- 239000000779 smoke Substances 0.000 description 22
- 238000000034 method Methods 0.000 description 21
- 230000008569 process Effects 0.000 description 20
- 238000005507 spraying Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 239000003595 mist Substances 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000013072 incoming material Substances 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000001931 thermography Methods 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/30—Shape or construction of rollers
-
- 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
-
- 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)
- Food Science & Technology (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The invention provides hot steel slag crushing equipment and a thermal stewing system, and relates to the technical field of thermal stewing steel slag. The hot steel slag crushing equipment comprises a sealing cover, a toothed roller slag crusher, a steel slag bed, a detection control system, a slag receiving tank truck, a hot stewing slag box and a purifying device, wherein the steel slag bed comprises slag receiving positions and slag discharging positions which are arranged at intervals, the sealing cover comprises a telescopic section which is covered above the slag receiving positions and a fixed section which is covered above the slag discharging positions, one end of the telescopic section is connected with the fixed section, the other end of the telescopic section is used for stretching between the slag receiving positions and the fixed section, the toothed roller slag crusher is movably arranged between the slag receiving positions and the slag discharging positions and is used for crushing steel slag, the detection control system is in communication connection with the toothed roller slag crusher and is used for detecting the temperature and the grain size of the steel slag, and the hot stewing slag box is positioned on one side of the steel slag bed and is used for hot stewing the slag receiving tank.
Description
Technical Field
The invention relates to the technical field of steel slag heat stewing, in particular to hot steel slag crushing equipment and a heat stewing treatment system.
Background
At present, the steel slag heat stewing process has the advantages of wide application range, good stability, high pulverization rate, full slag-iron separation and the like of the treated steel slag. However, a large amount of smoke dust is generated in the process of crushing the steel slag, so that the environment pollution is serious, and when the steel slag is crushed, the complex working conditions with large changes of the temperature and the form of the steel slag incoming material are judged manually, the adjustment of the working parameters is not timely and accurate, and the change of the steel slag treatment effect is large.
Disclosure of Invention
The invention solves the problems that: how to solve the problem of poor stability of the steel slag treatment effect on the premise of environment protection of the steel slag treatment.
In order to solve the problems, on the one hand, the invention provides hot steel slag crushing equipment, which comprises a sealing cover, a toothed roller slag crusher, a steel slag bed, a steel slag temperature and grain size detection control system, a slag receiving tank truck, a thermally braised slag box and a purifying device, wherein the steel slag bed comprises a slag receiving position and a slag falling position which are arranged at intervals, the sealing cover comprises a telescopic section arranged above the slag receiving position and a fixed section arranged above the slag falling position, one end of the telescopic section is connected with the fixed section, the other end of the telescopic section is used for telescoping between the slag receiving position and the fixed section, the toothed roller slag crusher is movably arranged between the slag receiving position and the slag falling position and is used for crushing steel slag, the steel slag temperature and grain size detection control system is in communication connection with the toothed roller slag crusher and is used for detecting the temperature and grain size of the steel slag, the thermally braised slag box is positioned at one side of the slag receiving bed and is used for thermally braising the slag receiving tank, the slag receiving tank is positioned below the slag receiving tank and is connected with the thermally braised slag box and is positioned between the slag receiving tank truck and the thermally braised slag box and the purifying device and the slag box is in communication with the thermally braised slag box and the purifying device.
Optionally, a first guide rail is arranged on the steel slag material bed, and the telescopic section is in sliding connection with the first guide rail.
Optionally, the tooth roller slag breaker includes broken sediment tooth roller and mobile device, broken sediment tooth roller with mobile device is connected to rotate around self axis, mobile device is used for connect the sediment position with fall between the sediment position, be provided with on the slag material bed with broken sediment tooth roller assorted recess.
Optionally, the slag falling position is provided with a grid structure, and the grid spacing range of the grid structure is 200-250mm.
Optionally, a second guide rail is further arranged on the steel slag material bed, and the moving device is in sliding connection with the second guide rail.
Optionally, connect the slag pot include support, two supports, first casing and second casing, first casing with the second casing all with the support articulates, the lower part of first casing is provided with first floor, the lower part of second casing is provided with the second floor, one of two supports with first floor is connected, another with the second floor is connected, two when the support is kept away from relatively, first casing with the second casing relative rotation separation is used for with connect the slag in the slag pot.
Optionally, the slag receiving tank truck comprises a traveling device and a vehicle body, wherein the vehicle body is detachably connected with the slag receiving tank and is arranged on the traveling device, and the traveling device is used for moving in a pit.
Optionally, the detection control system comprises a temperature sensor, an infrared image recognition sensor and a data processing center, wherein the temperature sensor is used for detecting the temperature of the steel slag, the infrared impact recognition sensor is used for recognizing the grain size of the steel slag, the temperature sensor and the infrared impact recognition sensor are all in communication connection with the data processing center, and the data processing center is used for being in communication connection with the central control system and in communication connection with the toothed roller slag breaker.
Optionally, purifier includes exhaust duct, fan, spray column, ultrasonic wave defroster and chimney, exhaust duct's one end respectively with fixed section with the sediment case intercommunication is braised to heat, the other end respectively with the fan intercommunication, the fan the spray column with ultrasonic wave defroster connects gradually, the chimney set up in ultrasonic wave defroster's top.
On the other hand, the invention also provides a heat stewing system which comprises the thermal state steel slag crushing equipment.
Compared with the prior art, the thermal state steel slag crushing equipment of the invention is arranged on a steel slag material bed at intervals through the slag receiving position and the slag falling position, so that the interval distance between the slag receiving position and the slag falling position provides a moving space for a tooth roller slag crusher to move so as to facilitate the tooth roller slag crusher to move, crushed steel slag falls into a slag receiving tank from the slag falling position, the slag receiving tank moves to one side of the steel slag material bed from a slag receiving tank truck so as to facilitate a crown block to hoist the slag receiving tank into a thermally braised slag box, the thermally braised slag box carries out steel slag thermally braising treatment on the slag receiving tank, thereby realizing the steel slag thermally braising treatment process, one end of the telescopic section is connected with the fixed section and the other end of the telescopic section is used for telescoping between the slag receiving position and the fixed section so as to ensure that the steel slag is put at the slag receiving position, the telescopic section stretches to block the scattering of smoke dust, meanwhile, the fixed section blocks the scattering of smoke dust generated in the process of crushing steel slag by the toothed roller slag crusher, and the smoke dust in the sealing cover can be discharged after being treated by the purifying device through the communicating of the purifying device and the fixed section, and similarly, the purifying device is communicated with the thermally braised slag box, so that the smoke dust generated by the thermally braised slag box and the like can be discharged after being purified by the purifying device, the influence of the smoke dust generated by the thermally braised steel slag on the environment is reduced, the temperature and grain size data in the crushing process of the steel slag are continuously detected and acquired through the detection control system, and the movement of the toothed roller slag crusher is controlled, so that the temperature and grain size index of the crushing pretreatment of the steel slag are ensured to meet the requirements of the subsequent thermally braised process, and the influence of manual judgment on the thermally braised process is reduced, and the stability of the steel slag treatment effect is improved.
Drawings
FIG. 1 is a top view of a thermal steel slag crushing apparatus according to an embodiment of the present invention;
FIG. 2 is a side view of a hot steel slag crushing apparatus according to an embodiment of the present invention;
FIG. 3 is a front view of a toothed roller breaker and a steel slag bed in an embodiment of the invention;
FIG. 4 is a schematic view of a retracted state of a telescopic section according to an embodiment of the present invention;
FIG. 5 is an enlarged view of the portion I of FIG. 4;
FIG. 6 is a schematic view of an extended state of a telescopic section according to an embodiment of the present invention;
Fig. 7 is an enlarged view of H in fig. 6;
FIG. 8 is a schematic diagram of a slag receiving state of a slag receiving tank according to an embodiment of the present invention;
fig. 9 is a schematic structural view of a slag receiving tank in a slag discharging state according to an embodiment of the present invention.
Reference numerals illustrate:
1-a sealing cover; 11-telescoping sections; 12-fixing the section; 2-a toothed roller slag breaker; 21-a slag breaking tooth roller; 22-a mobile device 22; 3-a steel slag material bed; 31-a slag receiving position; 32-slag falling position; 33-a first guide rail; 34-grooves; 35-a second guide rail; 4-a detection control system; 5-a slag receiving tank; 51-a bracket; 52-supporting; 53-a first housing; 54-a second housing; 6-a slag receiving tank truck; 61-a walking device; 62-vehicle body; 7-a thermally stewing slag box; 71-case cover; 72-a box body; 8-a purification device; 81-a discharge duct; 82-a fan; 83-a spray tower; 84-an ultrasonic mist eliminator; 85-chimney; 10-steel slag; 20-pit.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. 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.
In the description of the present specification, descriptions of the terms "embodiment," "one embodiment," "some embodiments," "illustratively," and "one embodiment" and the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or embodiment is included in at least one embodiment or implementation of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same examples or implementations. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or implementations.
The terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. As such, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
The Z-axis in the drawing represents vertical, i.e., up-down position, and the positive direction of the Z-axis (i.e., the arrow of the Z-axis points) represents up, and the negative direction of the Z-axis (i.e., the direction opposite to the positive direction of the Z-axis) represents down; the X-axis in the drawing indicates a horizontal direction and is designated as a left-right position, and the positive direction of the X-axis (i.e., the arrow of the X-axis is directed) indicates a left side and the negative direction of the X-axis (i.e., the direction opposite to the positive direction of the X-axis) indicates a right side; the Y-axis in the drawing indicates the front-back position, and the positive direction of the Y-axis (i.e., the arrow of the Y-axis is directed) indicates the front side, and the negative direction of the Y-axis (i.e., the direction opposite to the positive direction of the Y-axis) indicates the rear side; it should also be noted that the foregoing Z-axis, Y-axis, and X-axis are meant to be illustrative only and not indicative or implying that the apparatus or component in question must be oriented, configured or operated in a particular orientation, and therefore should not be construed as limiting the invention.
Referring to fig. 1 to 7, an embodiment of the present invention provides a thermal state steel slag crushing apparatus, which includes a seal cover 1, a toothed roller slag crusher 2, a steel slag bed 3, a detection control system 4, a slag receiving tank 5, a slag receiving tank truck 6, a thermally braised slag box 7 and a purifying device 8, wherein the steel slag bed 3 includes a slag receiving position 31 and a slag dropping position 32 which are arranged at intervals, the seal cover 1 includes a telescopic section 11 which is arranged above the slag receiving position 31 and a fixed section 12 which is arranged above the slag dropping position 32, one end of the telescopic section 11 is connected with the fixed section 12, the other end is used for telescoping between the slag receiving position 31 and the fixed section 12, the toothed roller slag crusher 2 is movably arranged between the slag receiving position 31 and the slag dropping position 32 and is used for crushing steel slag 10, the detection control system 4 is in communication connection with the toothed roller slag crusher 2 and is used for detecting the temperature and the grain size of the steel slag 10, the thermally braised slag box 7 is positioned at one side of the steel slag bed 3 and is used for thermally braising the slag receiving tank 5, the slag receiving tank 5 is positioned below the slag dropping position 32 and the slag receiving tank 6 is connected with the slag receiving tank truck 6 and the thermally braised slag box 7 is detachably connected with the purifying device 8, and the thermally braised slag box 7 is arranged between the slag receiving tank 7 and the slag box 3 and the purifying device is connected with the thermally braised slag box 3 and the purifying device respectively.
Specifically, the steel slag material bed 3 comprises a slag receiving position 31 and a slag falling position 32 which are arranged at intervals, the slag receiving position 31 is positioned at the right end of the steel slag material bed 3, the slag falling position 32 is positioned at the left end of the steel slag material bed 3, the sealing cover 1 comprises a telescopic section 11 covered above the slag receiving position 31 and a fixed section 12 covered above the slag falling position 32, the telescopic section 11 adopts a folding structure, the length is larger than the size of a slag pot, the telescopic section can be driven by a motor or a pulley to shrink and fold along the length direction of the steel slag material bed 3, the left end of the telescopic section 11 is in sealing connection with the right end of the slag falling position 32, a spraying device can be arranged on the inner wall of the top of the fixed section 12 for spraying water to cool steel slag, the toothed roller slag breaker 2 moves between the slag receiving position 31 and the slag falling position 32, the detection control system 4 is positioned at the top of the inner wall of the sealing cover 1, and multiple sets of detection and identification ranges are arranged at different positions to ensure that the detection and identification ranges cover the whole steel slag material bed; the detection control system 4 is in communication connection with the toothed roller slag breaker 2 to ensure the slag breaking quality, for example, when the detection control system 4 detects that the slag 10 which cannot fall exists at the slag falling position 32, the detection control system 4 sends a control signal to the toothed roller slag breaker 2, and the toothed roller slag breaker 2 moves to the slag falling position 32 again according to the control signal to break the slag. The slag receiving tank 5 is located below the slag falling position 32 and is detachably connected with the slag receiving tank truck 6, the slag receiving tank truck 6 is movably arranged between the steel slag bed 3 and the hot stewing slag box 7, the hot stewing slag box 7 is located on one side of the steel slag bed 3 and is used for being thermally stewed to receive the slag tank 5, the hot stewing slag box 7 comprises a box cover 71 and a box body 72, the box cover 71 is provided with a spraying pipeline, the box body 72 is provided with a spraying device exhaust pipeline, pressure and temperature monitoring elements, and the box cover 71 and the box body 72 are sealed. Specifically, the case cover 71 can be opened from the top end of the case body 72 through a winch, the case cover 71 is made of a steel structure, is provided with a spraying device, a pipeline and a safety valve, and can be opened or closed through the winch; the box body 72 adopts a reinforced concrete structure, the cost is reduced, the side wall is provided with a spray device exhaust pipeline and pressure and temperature monitoring elements, and the ground is provided with a drainage pipeline; when the thermal slag stewing box 7 stews slag, a large amount of saturated steam is generated by spraying and is in a micro-positive pressure sealing state, so that the thermal stewing and pulverization functions of the steel slag are realized under normal pressure, the integral transportation of the steel slag in a tank before and after the thermal stewing process is realized, and the slag does not fall to the ground; meanwhile, the failure rate, the safety risk and the equipment cost of the equipment with pressure are reduced, and the purifying device 8 is respectively communicated with the fixed section 12 and the box body 72 of the heat stewing slag box 7 and is used for dedusting and purifying. When the steel slag is thermally stewed, the right end of the telescopic section 11 is retracted towards the fixed section 12, so that the slag receiving position 31 leaks, the slag pot is lifted and tipped by the crown block, after the steel slag 10 is poured on the slag receiving position 31, the right end of the telescopic section 11 stretches towards the right end of the steel slag bed 3, the slag receiving position 31 is covered, then the toothed roller slag breaker 2 moves to the slag receiving position 31 to break the steel slag, the broken steel slag 10 can fall into the slag receiving pot 5 from the slag receiving position 32 in the moving process of the toothed roller slag breaker 2 towards the slag falling position 32, then the slag receiving pot 6 drives the slag receiving pot 5 to move out from the lower part of the slag falling position 32, after the slag receiving pot 5 moves out, the slag receiving pot 5 can be lifted from the upper end of the slag receiving pot 6 by the crown block and transported into the thermally stewed slag box 7, the thermally stewed slag box 7 completes the thermally stewed process of the broken steel slag, and the purifying device 8 is respectively communicated with the fixed section 12 and the thermally stewed slag box 7 and is used for dedusting and purifying, for example, smoke dust generated in the slag breaker 2, or the thermally stewed slag box 7 is generated in the process of the thermally stewed slag breaker.
In this way, the slag receiving position 31 and the slag falling position 32 are arranged on the steel slag material bed 3 at intervals, so that the slag receiving position 31 and the slag falling position 32 are spaced, a moving space is provided for the toothed roller slag breaker 2, so that the toothed roller slag breaker 2 can move, the broken steel slag falls into the slag receiving tank 5 from the slag falling position 32, the slag receiving tank 5 moves to one side of the steel slag material bed 3 from the slag receiving tank truck 6, so that the overhead travelling crane can hoist the slag receiving tank 5 into the thermally braised slag box 7, the thermally braised slag box 7 carries out steel slag thermally braising treatment on the slag receiving tank 5, thereby realizing the steel slag thermally braising treatment process, one end of the telescopic section 11 is connected with the fixed section 12, the other end of the telescopic section 11 is used for telescoping between the slag receiving position 31 and the fixed section 12, after the steel slag 10 is placed at the slag receiving position 31, the telescopic section 11 stretches to block the scattering of smoke dust, meanwhile, the fixed section 12 blocks the scattering of smoke dust generated in the process of crushing the steel slag 10 by the toothed roller slag crusher 2, the smoke dust in the sealing cover 1 can be discharged after being treated by the purifying device 8 through the communicating of the purifying device 8, and similarly, the purifying device 8 is communicated with the thermally braised slag box 7, and the smoke dust such as steam generated by the thermally braised slag box 7 can be discharged after being purified by the purifying device 8, so that the influence of the smoke dust generated by thermally braising the steel slag on the environment is reduced, the temperature and grain size data of the steel slag are continuously detected and acquired through the detecting and controlling system 4, and the movement of the toothed roller slag crusher 2 is controlled, so that the temperature and grain size index of the steel slag crushing pretreatment meet the requirements of the subsequent thermally braised process, the influence of manual judgment on the thermally braised process is reduced, and the stability of the steel slag treatment effect is improved.
Optionally, as shown in connection with fig. 3, the slag bed 3 is provided with a first guide rail 33, and the telescopic section 11 is slidably connected to the first guide rail 33.
Specifically, the first guide rail 33 is a groove structure, the groove structure extends to the slag receiving position 31 along the expansion direction of the expansion section 11, and the lower end of the expansion section 11 expands and contracts along the groove structure.
In this way, the telescopic section 11 is slidably connected with the first guide rail 33, and the first guide rail 33 realizes telescopic guiding of the telescopic section 11, so that the stability of telescopic movement of the telescopic section 11 is improved.
Alternatively, as shown in fig. 1 to 3, the toothed roller slag breaker 2 includes a slag breaking toothed roller 21 and a moving device 22, the slag breaking toothed roller 21 is connected with the moving device 22 and rotates around its own axis, the moving device 22 is used for moving between a slag receiving position 31 and a slag falling position 32, and a groove 34 matched with the slag breaking toothed roller 21 is arranged on the steel slag material bed 3.
Specifically, the slag breaking tooth roller 21 is made of high-temperature-resistant and wear-resistant materials, the slag breaking tooth roller 21 rotates around the axis of the slag breaking tooth roller 21 through a motor, a speed reducer and the like so as to rotate above the steel slag material bed 3, so that steel slag is extruded and broken, the moving device 22 can be composed of the motor, a roller and the like so as to move between the slag receiving position 31 and the slag falling position 32, grooves 34 matched with the slag breaking tooth roller 21 are formed in the steel slag material bed 3, a plurality of grooves 34 are formed, and the width and the interval of the grooves are matched with the width and the transverse interval of the slag breaking tooth roller.
So, through broken sediment fluted roller 21 and mobile device 22 to rotate around self axis, mobile device 22 is used for receiving between sediment position 31 and the sediment position 32, realizes rotary motion and horizontal migration mutually support, and then realizes pushing away sediment, shop sediment, be provided with on the rethread steel slag charge bed 3 with broken sediment fluted roller 21 assorted recess 34, make broken sediment fluted roller 21 and the clearance of slag charge bed 3 littleer, improve fluted roller breaker 2 and push away sediment efficiency.
Optionally, as shown in connection with fig. 1, the slag-dropping level 32 is provided with a grating structure having a grating pitch in the range of 200-250mm. Thus, the grid spacing range of the grid structure is 200-250mm, so that large steel slag larger than the spacing can be prevented from falling into the slag receiving tank 5 below, the screening function of the steel slag with overlarge grain size is achieved, and the requirement of the subsequent heat stewing operation on the grain size of the steel slag is ensured.
Optionally, as shown in connection with fig. 3, a second guide rail 35 is further provided on the slag bed 3, and the moving device 22 is slidably connected to the second guide rail 35. In this way, the second guide rail 35 realizes movement guidance of the moving device 22, thereby improving movement stability of the moving device 22.
Alternatively, as shown in conjunction with fig. 8 and 9, the slag receiving pot 5 includes a bracket 51, two supports 52, a first housing 53 and a second housing 54, the first housing 53 and the second housing 54 are hinged with the bracket 51, a first floor is provided at a lower portion of the first housing 53, a second floor is provided at a lower portion of the second housing 54, one of the two supports 52 is connected with the first floor, the other is connected with the second floor, and when the two supports 52 are relatively far apart, the first housing 53 and the second housing 54 are relatively rotated to be separated for discharging the slag 10 in the slag receiving pot 5.
Specifically, taking the bracket 51 as a quadrilateral bracket as an example, two opposite supporting columns are arranged on the bracket 51, the tops (one end in the positive direction of the Z axis) of the first shell 53 and the second shell 54 are respectively hinged with the two supporting columns on the bracket 51 along the same axis through a rotating shaft and the like, when the tops of the first shell 53 and the second shell 54 are positioned on the same plane, the first shell 53 is attached to the second shell 54 to form a slag receiving tank 5, the first floor and the second floor form a tank ground of the slag receiving tank 5, one of the two supporting columns 52 is welded on the ground of the first floor, the other supporting column is welded on the ground of the second floor, and when slag is received, as shown in fig. 8, the first shell 53 and the second shell 54 are attached, steel slag 10 can enter the slag receiving tank 5 from the upper opening of the tank body and is received by the first floor and the second plate, and the steel slag 10 simultaneously applies gravity to the ground of the first shell 53 and the second shell 54 to limit the relative rotation of the ground of the first shell 53 and the second shell 54; when the slag is discharged, as shown in fig. 9, the crown block hangs the slag receiving tank 5 to the slag discharging position through the rotating shaft at the hinge joint of the first shell 53 and the support 52 and the support 51, and then the acting force is respectively applied to the two supports 52, so that the first shell 53 rotates clockwise and the second shell 54 rotates anticlockwise and upwards, the first floor and the second floor are far away, and the steel slag 10 is discharged from between the first floor and the second floor.
In this way, the first shell 53 and the second shell 54 are hinged with the bracket 51, so that relative rotation between the first shell 53 and the second shell 54 is realized, and then the two supports 52 are respectively arranged on the first floor and the second floor, so that when slag is discharged, acting force can be respectively applied to the two supports 52, so that the first shell 53 rotates clockwise upwards, the second shell 54 rotates anticlockwise upwards, the first floor and the second floor are far away, the steel slag 10 is discharged from the space between the first floor and the second floor, the steel slag 10 can be discharged from the space between the first floor and the second floor, slag is discharged from the lower part of the slag receiving tank 5, and slag dust can be reduced to a certain extent relative to slag discharge by tilting the slag receiving tank 5 by using the auxiliary hook of the crown block.
Alternatively, as shown in connection with fig. 1, the slag ladle 6 comprises a running gear 61 and a car body 62, the car body 62 being adapted to be detachably connected to the slag ladle 5 and being arranged on the running gear 61, the running gear 61 being adapted to move within the pit 20.
Specifically, the running gear 61 may be a driving system composed of a motor and wheels, the car body 62 is configured as a plate-shaped structure, so as to be used for bearing the slag receiving tank 5, the pit 20 is arranged below the slag dropping position 32, the length direction of the pit 20 is perpendicular to the length direction of the steel slag bed 3 and extends towards the hot stewing slag box 7, after the steel slag 10 falls into the slag receiving tank 5 from the slag dropping position 32, the slag receiving tank truck 6 drives the slag receiving tank 5 to move in the pit 20 so as to move out of the lower part of the slag dropping position 32, and thus the overhead travelling crane can conveniently hoist the slag receiving tank 5 from the slag receiving tank truck 6 into the hot stewing slag box 7.
So, through connect slag pot 5 setting on automobile body 62, automobile body 62 sets up on running gear 61 for connect slag pot 5 place on automobile body 62 after, can realize by running gear 61 that connect slag pot 5 moves out the below of slag position 32, rethread running gear 61 is removed in pit 20, make connect slag pot 5 to realize the function of connecing the sediment below ground, indirectly reduce steel slag charge bed 3 in vertical ascending height, with the influence of steel slag charge bed 3 self gravity, thereby can improve steel slag charge bed 3's stability in use.
Optionally, the detection control system 4 includes a temperature sensor, an infrared image recognition sensor and a data processing center, the temperature sensor is used for detecting the temperature of the steel slag 10, the infrared image recognition sensor is used for recognizing the particle size of the steel slag 10, the temperature sensor and the infrared image recognition sensor are all in communication connection with the data processing center, and the data processing center is used for being in communication connection with the central control system and in communication connection with the toothed roller slag breaker 2.
Specifically, the temperature detection range of the temperature sensor is 100-1500 ℃, so that the temperature of the incoming steel slag on the steel slag bed 3, the crushing process and the temperature of the crushed steel slag can be accurately and rapidly obtained in real time; the infrared image recognition sensor can automatically capture the large steel slag and calculate the particle diameter of the large slag through an infrared thermal imaging technology and an image recognition algorithm, the data processing center continuously performs data acquisition and recording and feeds temperature and particle diameter distribution data back to the central control system, data basis is provided for adjustment of spraying and tooth roller slag breaking process parameters, the data processing center can be in communication connection with the tooth roller slag breaker 2 to ensure the slag breaking quality, for example, when the infrared image recognition sensor detects that the slag 10 incapable of falling exists at the slag falling position 32, the data processing center sends a control signal to the tooth roller slag breaker 2, and the tooth roller slag breaker 2 moves to the slag falling position 32 again according to the control signal to break the steel slag.
Therefore, the temperature sensor is used for detecting the temperature of the steel slag 10, the infrared image recognition sensor is used for recognizing the grain size of the steel slag 10, the temperature sensor and the infrared image recognition sensor are both in communication connection with the data processing center, so that physical information such as the temperature and the grain size of the steel slag 10 is converted into electronic signals, and the electronic signals are transmitted to the central control system or the toothed roller slag breaker 2 after being integrated by the data processing center, so that the steel slag 10 breaking process is realized, the influence of manual treatment is reduced in the steel slag 10 breaking process, and the breaking quality of steel slag breaking is improved.
Alternatively, as shown in conjunction with fig. 1 and 2, the purifying device 8 includes a discharge pipe 81, a blower 82, a spray tower 83, an ultrasonic mist eliminator 84, and a chimney 85, one end of the discharge pipe 81 is respectively communicated with the fixed section 12 and the heat-stewed slag box 7, the other end is communicated with the blower 82, the spray tower 83, and the ultrasonic mist eliminator 84 are sequentially connected, and the chimney 85 is disposed at the top end of the ultrasonic mist eliminator 84.
Specifically, one end of the exhaust pipeline 81 is respectively communicated with the fixed section 12 and the heat stewing slag box 7, the other end of the exhaust pipeline is communicated with the fan 82, the spray tower 83 and the ultrasonic demister 84 are sequentially connected, the chimney 85 is arranged at the top end of the ultrasonic demister 84, the fan 82 is started in the process of stewing steel slag, negative pressure is generated, smoke dust in the fixed section 12 and the heat stewing slag box 7 is sent into the spray tower 83, the spray tower 83 carries out water bath on particles such as dust in the smoke dust to separate the dust in the smoke dust, then the smoke dust purified by the spray tower 83 enters the ultrasonic demister 84 through the pipeline, the ultrasonic demister 84 utilizes ultrasonic vibration to enable fine dust particles in smoke gas to be subjected to inertia collision and liquid tension adhesion, and the smoke dust is condensed into large particles, subjected to gravity sedimentation and separated from gas. The cleaned smoke is then exhausted again through a chimney 85.
So, through the one end of exhaust pipe 81 respectively with fixed section 12 and heat stew sediment case 7 intercommunication, the other end and fan 82 intercommunication, fan 82, spray column 83 and ultrasonic wave defroster 84 connect gradually, chimney 85 sets up in the top of ultrasonic wave defroster 84, the smoke and dust that the steel slag in-process produced of heat stew, send spray column 83 and ultrasonic wave defroster 84 through exhaust pipe 81 and fan 82, again by spray column 83 and ultrasonic wave defroster 84 to smoke and dust purification after in proper order, discharge by chimney 85 to improve the purifying effect to the smoke and dust.
The invention also provides a heat stewing system, which comprises the thermal state steel slag crushing equipment.
The advantages of the thermal stewing system and the thermal state steel slag crushing equipment are the same as those of the prior art, and are not described in detail herein.
Although the present disclosure is described above, the scope of protection of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the invention.
Claims (7)
1. The utility model provides a hot slag crushing equipment, its characterized in that includes sealed cowling (1), fluted roller breaker (2), slag material bed (3), detection control system (4), connect slag pot (5), connect slag tank car (6), hot stew sediment case (7) and purifier (8), slag material bed (3) include connect sediment position (31) and sediment position (32) that the interval set up, sealed cowling (1) including the cover establish connect flexible section (11) of sediment position (31) top and cover establish fixed section (12) of sediment position (32) top, flexible section (11) one end with fixed section (12) are connected, and the other end is used for connect sediment position (31) with connect between fixed section (12) flexible, fluted roller breaker (2) remove set up in connect sediment position (31) with sediment position (32) between and be used for broken slag (10), detection control system (4) with fluted roller breaker (2) are in connect and be used for detecting that the temperature of slag pot car (3) connect sediment position (3) and be located in the thermal stew sediment position (32) one side is connected with slag pot car (3), the slag receiving tank truck (6) is movably arranged between the steel slag material bed (3) and the hot stewing slag box (7), and the purifying device (8) is respectively communicated with the fixed section (12) and the hot stewing slag box (7) and is used for dust removal and purification; the slag falling position (32) is provided with a grid structure, and the grid spacing range of the grid structure is 200-250mm; the tooth roller slag breaker (2) comprises a slag breaking tooth roller (21) and a moving device (22), wherein the slag breaking tooth roller (21) is connected with the moving device (22) and rotates around the axis of the moving device (22), the moving device (22) is used for moving between the slag receiving position (31) and the slag falling position (32), and a groove (34) matched with the slag breaking tooth roller (21) is formed in the steel slag material bed (3);
Purifier (8) are including exhaust duct (81), fan (82), spray column (83), ultrasonic wave defroster (84) and chimney (85), the one end of exhaust duct (81) respectively with fixed section (12) with the sediment case is braised to heat (7) intercommunication, the other end respectively with fan (82) intercommunication, fan (82) spray column (83) with ultrasonic wave defroster (84) connect gradually, chimney (85) set up in the top of ultrasonic wave defroster (84).
2. The hot steel slag crushing device according to claim 1, characterized in that a first guide rail (33) is arranged on the steel slag material bed (3), and the telescopic section (11) is in sliding connection with the first guide rail (33).
3. The hot steel slag crushing device according to claim 1, characterized in that a second guide rail (35) is further arranged on the steel slag bed (3), and the moving device (22) is slidingly connected with the second guide rail (35).
4. The hot steel slag crushing apparatus according to claim 1, wherein the slag receiving tank (5) comprises a bracket (51), two supports (52), a first housing (53) and a second housing (54), the first housing (53) and the second housing (54) are hinged to the bracket (51), a first floor is provided at a lower portion of the first housing (53), a second floor is provided at a lower portion of the second housing (54), one of the two supports (52) is connected to the first floor, the other support (52) is connected to the second floor, and when the two supports (52) are relatively far apart, the first housing (53) and the second housing (54) are relatively rotationally separated for discharging the steel slag (10) in the slag receiving tank (5).
5. The hot steel slag crushing apparatus according to claim 1, characterized in that the slag receiving tank truck (6) comprises a travelling device (61) and a car body (62), the car body (62) being adapted to be detachably connected to the slag receiving tank (5) and being arranged on the travelling device (61), the travelling device (61) being adapted to move within the pit (20).
6. The thermal state steel slag crushing device according to claim 1, characterized in that the detection control system (4) comprises a temperature sensor for detecting the temperature of the steel slag (10), an infrared image recognition sensor for recognizing the particle size of the steel slag (10), and a data processing center, both of which are in communication connection with the data processing center, and in communication connection with the toothed roller slag crusher (2).
7. A thermal braising system comprising the thermal steel slag crushing apparatus of any one of claims 1 to 6.
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| CN202211203695.4A CN115505655B (en) | 2022-09-29 | 2022-09-29 | Thermal state slag crushing equipment and thermal stewing system |
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| CN202211203695.4A CN115505655B (en) | 2022-09-29 | 2022-09-29 | Thermal state slag crushing equipment and thermal stewing system |
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