CN114752714A - Blast furnace slag treatment system - Google Patents
Blast furnace slag treatment system Download PDFInfo
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- CN114752714A CN114752714A CN202210551716.5A CN202210551716A CN114752714A CN 114752714 A CN114752714 A CN 114752714A CN 202210551716 A CN202210551716 A CN 202210551716A CN 114752714 A CN114752714 A CN 114752714A
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- Prior art keywords
- blast furnace
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- flap valve
- flap
- furnace slag
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- 239000002893 slag Substances 0.000 title claims abstract description 107
- 238000011010 flushing procedure Methods 0.000 claims abstract description 30
- 238000012545 processing Methods 0.000 claims description 17
- 230000009471 action Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 238000001914 filtration Methods 0.000 abstract description 8
- 238000007599 discharging Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011001 backwashing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a blast furnace slag treatment system, and relates to the technical field of blast furnace production. The blast furnace slag treatment system comprises a blast furnace, a slag flushing ditch, a first flap valve, a second flap valve, a first bottom filter and a second bottom filter. The blast furnace is connected with the slag runner, and the one end that the blast furnace was kept away from to the slag runner is provided with first passageway and second passageway, and the export of first passageway is located the top in first end filtering pond, and first flap valve movable mounting is in first passageway, and first flap valve is used for opening or closes first passageway, and the export of second passageway is located the top in second end filtering pond, and second flap valve movable mounting is in the second passageway, and the second flap valve is used for opening or closes the second passageway. The blast furnace slag treatment system provided by the invention can be used for treating the blast furnace slag through one bottom filter chamber when the other bottom filter chamber is in a maintenance state, the slag flushing is not required to be suspended, the normal slag discharging of the blast furnace is ensured, and the production efficiency of the blast furnace is improved.
Description
Technical Field
The invention relates to the technical field of blast furnace production, in particular to a blast furnace slag treatment system.
Background
At present, in the process of blast furnace iron making, a large amount of blast furnace slag is generated, and the blast furnace slag flows into a bottom filter tank through a slag flushing ditch under the action of slag flushing water, and the bottom filter tank is used for filtering the blast furnace slag. But when the filter material in the end filter tank is lacked or the backwash pipeline in the end filter tank is damaged, the slag flushing operation needs to be suspended, slag flushing is carried out after the filter material is filled or the backwash pipeline is maintained and replaced, and the normal slag discharging of the blast furnace is influenced, so that the production efficiency of the blast furnace is reduced.
In view of the above, it is important to design and manufacture a blast furnace slag processing system with high production efficiency, especially in blast furnace production.
Disclosure of Invention
The invention aims to provide a blast furnace slag treatment system which can treat blast furnace slag through one bottom filter chamber when the other bottom filter chamber is in a maintenance state without pausing slag flushing, ensure normal slag discharging of a blast furnace and improve the production efficiency of the blast furnace.
The invention is realized by adopting the following technical scheme.
The utility model provides a blast furnace slag processing system, includes the blast furnace, the sluiceway, first flap valve, the second flap valve, first end filtering pond and second end filtering pond, the blast furnace is connected with the sluiceway, the one end that the sluiceway kept away from the blast furnace is provided with first passageway and second passageway, the export of first passageway is located the top in first end filtering pond, first flap valve movable mounting is in first passageway, first flap valve is used for opening or closes first passageway, the export of second passageway is located the top in second end filtering pond, second flap valve movable mounting is in the second passageway, the second flap valve is used for opening or closes the second passageway.
Optionally, the first bottom filter and the second bottom filter are arranged side by side, the first channel and the second channel are arranged at a preset angle, the outlet of the first channel is located at a corner of the first bottom filter, and the outlet of the second channel is located at a corner of the second bottom filter.
Optionally, the preset angle ranges from 30 degrees to 90 degrees.
Optionally, the first flap valve includes driving piece, mounting bracket and turns over the board, and mounting bracket fixed connection is outside first passageway, and the driving piece is installed on the mounting bracket, and with turn over the board and be connected, turns over the board and is articulated with first passageway, turns over the board and can open or close the export of first passageway under the effect of driving piece.
Optionally, the drive member is a hydraulic or pneumatic cylinder.
Optionally, the turning plate comprises a turning plate body, a hinged column and a connecting frame, the turning plate body is fixedly connected with the connecting frame through the hinged column, the hinged column is hinged to the first channel, the connecting frame is hinged to a piston rod of the driving part, and the turning plate body is used for opening or closing an outlet of the first channel.
Optionally, the one end that articulated post was kept away from to the link is provided with the dead lever, and the free end of piston rod is provided with the sleeve, and the telescopic sleeve is located outside the dead lever, and can rotate for the dead lever.
Optionally, the flap body is provided with a sealing ring for sealing a gap between the flap body and the outlet of the first channel.
Optionally, the blast furnace slag processing system further comprises a first position detector and a second position detector, the first position detector is connected with the first flap valve, the first position detector is used for detecting the on-off state of the first flap valve, the second position detector is connected with the second flap valve, and the second position detector is used for detecting the on-off state of the second flap valve.
Optionally, the first position detector comprises a traction rope, a sliding block, a limiting barrel, a first touch sensor and a second touch sensor, one end of the traction rope is connected with the first flap valve, the other end of the traction rope is connected with the sliding block, the sliding block is arranged in the limiting barrel in a sliding mode, the limiting barrel is arranged in the vertical direction, the first touch sensor and the second touch sensor are respectively arranged at the upper end and the lower end of the limiting barrel, the traction rope can pull the sliding block to upwards slide relative to the limiting barrel when the first flap valve is closed until the sliding block is supported by the first touch sensor, and the sliding block can downwards slide relative to the limiting barrel under the action of gravity when the first flap valve is opened until the sliding block is supported by the second touch sensor.
The blast furnace slag processing system provided by the invention has the following beneficial effects:
the blast furnace slag treatment system provided by the invention is characterized in that a blast furnace is connected with a slag flushing ditch, a first channel and a second channel are arranged at one end of the slag flushing ditch far away from the blast furnace, the outlet of the first channel is positioned above a first bottom filter, a first flap valve is movably arranged in the first channel and is used for opening or closing the first channel, the outlet of the second channel is positioned above a second bottom filter, a second flap valve is movably arranged in the second channel and is used for opening or closing the second channel. Compared with the prior art, the blast furnace slag processing system provided by the invention adopts the first bottom filter chamber and the second bottom filter chamber which are independently arranged and the first channel and the second channel which are arranged at the end parts of the slag sluiceway, so that the blast furnace slag can be processed through the other bottom filter chamber when one bottom filter chamber is in a maintenance state, the slag flushing does not need to be suspended, the normal slag discharging of the blast furnace is ensured, and the production efficiency of the blast furnace is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of a blast furnace slag processing system according to an embodiment of the present invention;
FIG. 2 is an isometric view of a first flap valve coupled to a first passage in a blast furnace slag handling system according to an embodiment of the present invention;
FIG. 3 is a left side view of a first flap valve in a blast furnace slag handling system according to an embodiment of the present invention connected to a first channel;
FIG. 4 is a front view of a first flap valve in a blast furnace slag handling system in connection with a first channel according to an embodiment of the present invention;
fig. 5 is a sectional view of a first position detector in the blast furnace slag handling system according to an embodiment of the present invention.
An icon: 100-blast furnace slag treatment system; 110-blast furnace; 120-slag flushing; 121-a first channel; 122-a second channel; 130-a first flap valve; 131-a drive member; 132-a mounting frame; 133-a flap; 134-flap body; 1341-a gasket; 135-hinge post; 136-a connecting frame; 137-a piston rod; 138-a fixation bar; 139-a sleeve; 140-a second flap valve; 150-a first bottom filter; 160-second bottom filter; 170-a first position detector; 171-a hauling rope; 172-a slide block; 173-a limiting cylinder; 174-a first tactile sensor; 175-a second tactile sensor; 180-second position detector.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of 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 present invention, 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 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally put in use of products of the present invention, and are only for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The features in the embodiments described below may be combined with each other without conflict.
Referring to fig. 1, an embodiment of the present invention provides a blast furnace slag processing system 100 for processing blast furnace slag produced by a blast furnace 110. The method can be used for treating the blast furnace slag through one bottom filter chamber when the other bottom filter chamber is in a maintenance state, the slag flushing is not required to be suspended, the normal slag discharging of the blast furnace 110 is ensured, and the production efficiency of the blast furnace 110 is improved.
It should be noted that, during the iron-making process of the blast furnace 110, a large amount of blast furnace slag is generated, and in order to ensure that the production of the blast furnace 110 is continuous and efficient, the blast furnace slag needs to be processed by the blast furnace slag processing system 100, and the blast furnace slag processing system 100 is provided with two bottom filter chambers, which can process the blast furnace slag through one bottom filter chamber when the other bottom filter chamber is in a maintenance state, so as to ensure that the slag flushing process is stable and continuous, the slag flushing does not need to be suspended, and the production efficiency of the blast furnace 110 is ensured.
The blast furnace slag processing system 100 includes a blast furnace 110, a slag sluiceway 120, a first flap valve 130, a second flap valve 140, a first bottom filter 150, a second bottom filter 160, a first position detector 170, and a second position detector 180. The blast furnace 110 is connected to the slag runner 120, and the blast furnace 110 is used for iron making and discharges the generated blast furnace slag into the slag runner 120. The first channel 121 and the second channel 122 are arranged at one end of the slag sluiceway 120 far away from the blast furnace 110, and the blast furnace slag in the slag sluiceway 120 can flow along the slag sluiceway 120 under the action of the slag sluicing water and enter the first channel 121 or the second channel 122. The outlet of the first channel 121 is positioned above the first bottom filter 150, the first flap valve 130 is movably mounted on the first channel 121, and the first flap valve 130 is used for opening or closing the first channel 121 so as to guide blast furnace slag and slag flushing water into the first bottom filter 150. The outlet of the second channel 122 is positioned above the second bottom filter 160, the second flap valve 140 is movably arranged on the second channel 122, and the second flap valve 140 is used for opening or closing the second channel 122 so as to guide the blast furnace slag and the slag flushing water into the second bottom filter 160. The first bottom filter 150 and the second bottom filter 160 are used for filtering the blast furnace slag.
Specifically, when the filter material in the first bottom filter 150 is missing or the backwash pipeline is damaged, the first bottom filter 150 needs to be maintained, at this time, the first flap valve 130 is closed, the second flap valve 140 is opened, and the slag flushing water drives the blast furnace slag to flow into the second bottom filter 160; when the filter material in the second bottom filter 160 is lost or the backwashing pipeline is damaged, the second bottom filter 160 needs to be maintained, at this time, the second flap valve 140 is closed, the first flap valve 130 is opened, and the slag flushing water drives the blast furnace slag to flow into the first bottom filter 150. Thus, the continuous slag flushing action can be ensured, and the production efficiency of the blast furnace 110 is improved.
It should be noted that, the first position detector 170 is connected with the first flap valve 130, and the first position detector 170 is used for detecting the on-off state of the first flap valve 130, and the first position detector 170 can be bright green light when detecting that the first flap valve 130 is in the on-state, and the first position detector 170 can also be bright red light when detecting that the first flap valve 130 is in the off-state, so that the staff knows the on-off state of the first flap valve 130. The second position detector 180 is connected with the second flap valve 140, the second position detector 180 is used for detecting the on-off state of the second flap valve 140, the second position detector 180 can light a green light when detecting that the second flap valve 140 is in the on state, and the second position detector 180 can also light a red light when detecting that the second flap valve 140 is in the off state, so that the staff can know the on-off state of the second flap valve 140.
In this embodiment, the first bottom filter 150 and the second bottom filter 160 are both rectangular, the first bottom filter 150 and the second bottom filter 160 are arranged side by side, the first channel 121 and the second channel 122 are arranged at a predetermined angle, the outlet of the first channel 121 is located at a corner of the first bottom filter 150, and the outlet of the second channel 122 is located at a corner of the second bottom filter 160. The first channel 121 can discharge the flushing slag water and the blast furnace slag flowing out of the flushing slag runner 120 into the first bottom filter 150 from the corners of the first bottom filter 150, and the second channel 122 can discharge the flushing slag water and the blast furnace slag flowing out of the flushing slag runner 120 into the second bottom filter 160 from the corners of the second bottom filter 160.
Specifically, the range of the preset angle is 30 degrees to 90 degrees, and the reasonable preset angle can ensure that the slag flushing water and the blast furnace slag in the slag flushing channel 120 can smoothly flow into the first channel 121 or the second channel 122, so that the blockage is avoided. In this embodiment, the preset angle is 60 degrees, but the preset angle is not limited thereto, and in other embodiments, the preset angle may be 30 degrees or 90 degrees, and the size of the preset angle is not particularly limited.
Referring to fig. 2, 3 and 4, the first flap valve 130 includes a driving member 131, a mounting bracket 132 and a flap 133. The mounting bracket 132 is fixedly connected to the outside of the first channel 121, and the driving member 131 is mounted on the mounting bracket 132 and connected to the flap 133. The turning plate 133 is hinged to the first channel 121, the driving member 131 can drive the turning plate 133 to rotate relative to the first channel 121, and the turning plate 133 can open or close the outlet of the first channel 121 under the action of the driving member 131.
In this embodiment, the driving element 131 is a hydraulic cylinder or an air cylinder, but is not limited thereto, and in other embodiments, the driving element 131 may be an electric push rod, and may also be a motor screw mechanism, and the type of the driving element 131 is not particularly limited.
The flap 133 includes a flap body 134, a hinge post 135, and a connecting bracket 136. The flap body 134 is fixedly connected with the connecting frame 136 through the hinge column 135, and the flap body 134 and the connecting frame 136 are arranged in a bent shape. The hinge post 135 is hingedly coupled to the first passageway 121, and the hinge post 135 is rotatable relative to the first passageway 121. The connecting frame 136 is hinged to the piston rod 137 of the driving member 131, and the flap body 134 is used for opening or closing the outlet of the first channel 121. Specifically, when the piston rod 137 of the driving member 131 extends, the piston rod 137 drives the connecting frame 136 to move, so as to drive the hinge column 135 to rotate relative to the first channel 121 until the flap body 134 closes the outlet of the first channel 121; when the piston rod 137 of the driving member 131 is shortened, the piston rod 137 drives the connecting frame 136 to move, so as to drive the hinge column 135 to rotate reversely relative to the first channel 121 until the flap body 134 completely opens the outlet of the first channel 121.
In this embodiment, one end of the connecting frame 136, which is far away from the hinge post 135, is provided with a fixing rod 138, the free end of the piston rod 137 is provided with a sleeve 139, the sleeve 139 is sleeved outside the fixing rod 138 and can rotate relative to the fixing rod 138 to realize the hinge connection between the piston rod 137 and the fixing rod 138, so that the piston rod 137 can rotate relative to the fixing rod 138 while the fixing rod 138 is pulled to move, and the switch process of the whole turning plate 133 is ensured to be stable and reliable.
In this embodiment, the flap body 134 is provided with a sealing ring 1341, the sealing ring 1341 is disposed around the flap body 134 and corresponds to the outlet of the first channel 121, and the sealing ring 1341 is configured to seal a gap between the flap body 134 and the outlet of the first channel 121 when the flap body 134 closes the outlet of the first channel 121, so as to prevent the slag flushing water and the blast furnace slag from leaking out.
It should be noted that the specific structure of the second flap valve 140 is the same as that of the first flap valve 130, and is not described herein again.
Referring to fig. 3 and 5 in combination, the first position detector 170 includes a pulling string 171, a slider 172, a restraining barrel 173, a first tactile sensor 174, and a second tactile sensor 175. One end of the traction rope 171 is connected with the first flap valve 130, the other end of the traction rope 171 is connected with the sliding block 172, and the first flap valve 130 can slide to generate displacement by being pulled by the traction rope 171 in the closing process. The sliding block 172 is slidably disposed in the limiting cylinder 173, the sliding block 172 can slide relative to the limiting cylinder 173, and the limiting cylinder 173 is used for limiting and guiding the sliding block 172. The limiting cylinder 173 is vertically disposed, and the traction rope 171 extends from the top of the limiting cylinder 173 and is connected to the slider 172. The first tactile sensor 174 and the second tactile sensor 175 are respectively disposed at the upper end and the lower end of the limiting cylinder 173, the first tactile sensor 174 and the second tactile sensor 175 are both used for abutting against the sliding block 172, the first tactile sensor 174 is provided with a through hole for the traction rope 171 to pass through, and the traction rope 171 passes through the through hole and is connected with the sliding block 172. The pulling rope 171 can pull the slider 172 to slide upwards relative to the limiting barrel 173 when the first flap valve 130 is closed until the slider abuts against the first tactile sensor 174, and at this time, the first tactile sensor 174 judges that the first flap valve 130 is completely closed; the sliding block 172 can slide downwards relative to the limiting barrel 173 under the action of gravity when the first flap valve 130 is opened until the sliding block abuts against the second tactile sensor 175, and at this time, the second tactile sensor 175 judges that the first flap valve 130 is completely opened.
In this embodiment, the first tactile sensor 174 is provided with a red light, when the first flap valve 130 is completely closed, the pulling rope 171 pulls the slider 172 to rise to the limit position, at this time, the slider 172 abuts against the first tactile sensor 174, and the first tactile sensor 174 sends an electrical signal to control the red light to light. Correspondingly, the second touch sensor 175 is provided with a green light, when the first flap valve 130 is completely opened, the pulling rope 171 does not apply pulling force to the sliding block 172 any more, the sliding block 172 falls to the limit position under the action of self gravity, at the moment, the sliding block 172 abuts against the second touch sensor 175, and the second touch sensor 175 sends an electric signal to control the green light to be turned on.
It should be noted that the specific structure of the second position detector 180 is the same as the specific structure of the first position detector 170, and is not described herein again.
In the blast furnace slag processing system 100 provided by the embodiment of the invention, the blast furnace 110 is connected with the slag sluiceway 120, one end of the slag sluiceway 120, which is far away from the blast furnace 110, is provided with a first channel 121 and a second channel 122, an outlet of the first channel 121 is positioned above the first bottom filter 150, the first flap valve 130 is movably installed on the first channel 121, the first flap valve 130 is used for opening or closing the first channel 121, an outlet of the second channel 122 is positioned above the second bottom filter 160, the second flap valve 140 is movably installed on the second channel 122, and the second flap valve 140 is used for opening or closing the second channel 122. Compared with the prior art, the blast furnace slag processing system 100 provided by the invention adopts the first bottom filter 150 and the second bottom filter 160 which are independently arranged and the first channel 121 and the second channel 122 which are arranged at the end parts of the slag sluiceway 120, so that the blast furnace slag can be processed through one bottom filter when the other bottom filter is in a maintenance state without pausing the slag flushing, the normal slag discharging of the blast furnace 110 is ensured, and the production efficiency of the blast furnace 110 is improved.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The blast furnace slag treatment system is characterized by comprising a blast furnace (110), a slag flushing ditch (120), a first flap valve (130), a second flap valve (140), a first bottom filter pool (150) and a second bottom filter pool (160), wherein the blast furnace (110) is connected with the slag flushing ditch (120), one end of the slag flushing ditch (120) far away from the blast furnace (110) is provided with a first channel (121) and a second channel (122), the outlet of the first channel (121) is positioned above the first bottom filter pool (150), the first flap valve (130) is movably arranged in the first channel (121), the first flap valve (130) is used for opening or closing the first channel (121), the outlet of the second channel (122) is positioned above the second bottom filter pool (160), and the second flap valve (140) is movably arranged in the second channel (122), the second flap valve (140) is used to open or close the second channel (122).
2. The blast furnace slag treatment system according to claim 1, wherein the first floor filter (150) and the second floor filter (160) are arranged side by side, the first channel (121) is arranged at a predetermined angle to the second channel (122), an outlet of the first channel (121) is located at a corner of the first floor filter (150), and an outlet of the second channel (122) is located at a corner of the second floor filter (160).
3. The blast furnace slag handling system of claim 2, wherein the predetermined angle is in a range of 30 degrees to 90 degrees.
4. The blast furnace slag processing system according to claim 1, wherein the first flap valve (130) comprises a driving member (131), a mounting bracket (132) and a flap plate (133), the mounting bracket (132) is fixedly connected outside the first channel (121), the driving member (131) is mounted on the mounting bracket (132) and connected with the flap plate (133), the flap plate (133) is hinged with the first channel (121), and the flap plate (133) can open or close the outlet of the first channel (121) under the action of the driving member (131).
5. The blast furnace slag handling system according to claim 4, wherein the drive member (131) is a hydraulic or pneumatic cylinder.
6. The blast furnace slag processing system according to claim 5, wherein the flap (133) comprises a flap body (134), a hinge column (135) and a connecting frame (136), the flap body (134) is fixedly connected with the connecting frame (136) through the hinge column (135), the hinge column (135) is hinged with the first channel (121), the connecting frame (136) is hinged with a piston rod (137) of the driving member (131), and the flap body (134) is used for opening or closing an outlet of the first channel (121).
7. The blast furnace slag processing system according to claim 6, wherein the end of the connecting frame (136) away from the hinge column (135) is provided with a fixing rod (138), and the free end of the piston rod (137) is provided with a sleeve (139), and the sleeve (139) is sleeved outside the fixing rod (138) and can rotate relative to the fixing rod (138).
8. The blast furnace slag treatment system according to claim 6, wherein the flap body (134) is provided with a sealing ring (1341), the sealing ring (1341) being used to seal a gap between the flap body (134) and the outlet of the first channel (121).
9. The blast furnace slag handling system according to claim 1, further comprising a first position detector (170) and a second position detector (180), said first position detector (170) being connected to said first flap valve (130), said first position detector (170) being adapted to detect an on/off state of said first flap valve (130), said second position detector (180) being connected to said second flap valve (140), said second position detector (180) being adapted to detect an on/off state of said second flap valve (140).
10. The blast furnace slag processing system according to claim 9, wherein the first position detector (170) comprises a pulling rope (171), a sliding block (172), a limiting barrel (173), a first tactile sensor (174) and a second tactile sensor (175), one end of the pulling rope (171) is connected with the first flap valve (130), the other end of the pulling rope is connected with the sliding block (172), the sliding block (172) is slidably disposed in the limiting barrel (173), the limiting barrel (173) is disposed along a vertical direction, the first tactile sensor (174) and the second tactile sensor (175) are respectively disposed at upper and lower ends of the limiting barrel (173), the pulling rope (171) can pull the sliding block (172) to slide upward relative to the limiting barrel (173) when the first flap valve (130) is closed until abutting against the first tactile sensor (174), the sliding block (172) can slide downwards relative to the limiting cylinder (173) under the action of gravity when the first flap valve (130) is opened until the sliding block abuts against the second tactile sensor (175).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210551716.5A CN114752714A (en) | 2022-05-18 | 2022-05-18 | Blast furnace slag treatment system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210551716.5A CN114752714A (en) | 2022-05-18 | 2022-05-18 | Blast furnace slag treatment system |
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| CN114752714A true CN114752714A (en) | 2022-07-15 |
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| CN202210551716.5A Pending CN114752714A (en) | 2022-05-18 | 2022-05-18 | Blast furnace slag treatment system |
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Application publication date: 20220715 |