CN113996428A - Vortex crushing device with slag discharging structure and slag discharging method - Google Patents
Vortex crushing device with slag discharging structure and slag discharging method Download PDFInfo
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- CN113996428A CN113996428A CN202111227945.3A CN202111227945A CN113996428A CN 113996428 A CN113996428 A CN 113996428A CN 202111227945 A CN202111227945 A CN 202111227945A CN 113996428 A CN113996428 A CN 113996428A
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- 239000002893 slag Substances 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 261
- 230000001939 inductive effect Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 32
- 238000009825 accumulation Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 210000003739 neck Anatomy 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- 238000007664 blowing Methods 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 claims description 5
- 238000013467 fragmentation Methods 0.000 claims 2
- 238000006062 fragmentation reaction Methods 0.000 claims 2
- 239000008187 granular material Substances 0.000 abstract description 18
- 230000008859 change Effects 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 230000011218 segmentation Effects 0.000 abstract description 3
- 239000002245 particle Substances 0.000 description 18
- 238000001514 detection method Methods 0.000 description 8
- 239000004744 fabric Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000013049 sediment Substances 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000002889 sympathetic effect Effects 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
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- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 239000000843 powder Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/0012—Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain)
- B02C19/0018—Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain) using a rotor accelerating the materials centrifugally against a circumferential breaking surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/0012—Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain)
- B02C19/005—Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain) the materials to be pulverised being disintegrated by collision of, or friction between, the material particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The application relates to a vortex crushing device with a slag discharging structure and a slag discharging method, belonging to the field of crushing equipment, wherein the vortex crushing device with the slag discharging structure comprises a crushing pipe which is horizontally arranged, one end of the crushing pipe is provided with an air inlet, and the other end of the crushing pipe is provided with a discharge hole and an air inducing piece; the closed pipe is vertically arranged at the lower part of the crushing pipe close to the discharge port, and the upper end of the closed pipe is communicated with the crushing pipe; the closed material storage shell is connected to the lower end of the closed pipe and communicated with the closed pipe; the closing piece is arranged on the closing tube in an openable and closable way; regular material of arranging in the realization broken pipe prevents to be difficult to reduce the internal diameter of broken pipe by broken great ore granule etc. in the broken pipe, utilizes the method of segmentation row material to avoid forming bellied material swell and sunken, avoids inside air current to appear here to fluctuate by a wide margin to the material granule of inside that leads to here flow speed, the change of flow direction reduce inside material granule and beat the induced air spare (impeller) of this department repeatedly, cause the reduction in induced air spare life-span.
Description
Technical Field
The invention relates to the field of crushing equipment, in particular to a vortex crushing device with a slag discharging structure and a slag discharging method.
Background
The vortex crusher is a machine with better crushing effect, which replaces the traditional conventional crushing machine at present, and is a device designed according to 'pneumatic acoustics', and the vortex wind speed is close to 900 km/h, so that the particle size of the vortex crusher capable of crushing is smaller in the aspect of crushing, for example, 50% of materials can be reduced to be less than 100 microns by 50 mm of quartz raw materials at one time, and the rest materials are quite close to 100 microns in size, and superfine dry powder is generated. Although such a vortex breaker can break down much of the sand inside into smaller particles, there is also a phenomenon in which a portion of large-particle sand is not easily broken. Therefore, the large-sized gravels which are not completely crushed advance slowly near the bottom of the crushing pipe and are gradually accumulated at the bottom of the crushing pipe near the impeller, the passing inner diameter of the crushing pipe is reduced after a long time, in addition, the long-time accumulation forms a material bulge in the crushing pipe, the material of the bulge easily causes the airflow to generate large fluctuation at the position, and further incites the inner material particles to be lifted, the direction is disordered, the inner air inducing piece (impeller) can be repeatedly hit, in addition, the formed material bulge can easily intercept partial small particles to stay and accumulate at the position, and the crushing pipe is blocked after a long time is serious.
Disclosure of Invention
This application is in order to solve the inherent broken material of broken pipe of current vortex breaker, can have partial great granule grit to be difficult to by broken phenomenon to pile up in the bottom of the broken pipe that is close to the discharge gate, can reduce the through-diameter of broken pipe down for a long time, the problem of jam appears even when serious, this application designs a vortex breaker and the row's sediment method with arrange the sediment structure, wherein has the vortex breaker's of arranging the sediment structure concrete technical scheme and does:
a vortex breaking apparatus with a slag discharge structure, comprising:
the crushing pipe is horizontally arranged, one end of the crushing pipe is provided with an air inlet, and the other end of the crushing pipe is provided with a discharge port and an air inducing piece;
the closed pipe is vertically arranged at the lower part of the crushing pipe close to the discharge port, and the upper end of the closed pipe is communicated with the crushing pipe;
the closed material storage shell is connected to the lower end of the closed pipe and communicated with the closed pipe;
and the closing piece can be arranged on the closing pipe in an opening and closing mode.
Preferably, a material level detecting piece is further arranged in the closed pipe and used for detecting the height of the material level of the material accumulated in the closed pipe in real time.
Preferably, the closed tube comprises a closed section and a discharge section, the closed section of the closed tube is connected with the crushing tube, the closed piece comprises a supporting plate and a driving piece, the driving piece drives the supporting plate to be arranged in the closed tube in a lifting mode, the supporting plate is movably arranged in the closed section of the closed tube and is in sealing butt joint with the inner wall of the closed tube, and when the supporting plate moves to the discharge section, a discharge gap is formed between the supporting plate and the inner wall of the closed tube.
Preferably, the closed piece comprises a material supporting box and a driving piece, the top and the bottom of the material supporting box are respectively provided with an openable material plate, the driving piece drives the material supporting box to be arranged in the closed pipe in a lifting mode, and the material supporting box is in sealing butt joint with the inner wall of the closed pipe.
Preferably, each flitch includes apron and rotor plate, the apron at support workbin top and the apron of support workbin bottom are provided with the hole that leaks respectively, the size in each hole that leaks is not more than the 1/4 of apron size, the projection of the hole that leaks on the apron of support workbin top and the hole that leaks on the apron of support workbin bottom in the horizontal plane is 180 settings, still be equipped with the double-shaft motor in the support workbin, two output shafts of double-shaft motor correspond to rotate and connect in two apron, two rotor plates correspond and set up on two output shafts of double-shaft motor, have the through-hole that equals the size with the hole that leaks on each rotor plate, and the through-hole on two rotor plates is adjusted the setting well from top to bottom.
Preferably, the method further comprises the following steps:
the screen is obliquely arranged inside the closed material storage shell, and a first sealing door and a second sealing door are respectively arranged on two sides of the closed material storage shell corresponding to the screen;
the blowback inlet pipe, the blowback inlet pipe is connected between screen cloth downside closed stock shell and broken pipe, and broken pipe has two necking necks, corresponds the broken pipe between two necking necks and has heating pipe section and cooling tube section, and the blowback inlet pipe is connected in the cooling tube section department of broken pipe, still is equipped with the ooff valve on the blowback inlet pipe.
Preferably, the upper surface of the supporting plate is a spherical curved surface protruding upwards.
The application also protects a slag discharging method of the vortex crushing device with the slag discharging structure, which comprises the following steps:
a. moving the closing piece in the closing pipe upwards until the closing piece moves to a position with a distance A from the pipe orifice of the crushing pipe and stops moving upwards;
b. the closing piece continuously moves downwards along with the accumulation of the materials in the crushing pipe in the closing pipe, and the downward moving speed is equal to the feeding speed, so that the highest position of the accumulation of the materials in the downward moving process of the closing piece has a distance A from the pipe opening of the crushing pipe;
c. when the stacking height of the materials in the closed pipe is B, the materials in the closed pipe are blanked until the height of the materials is C, and the blanking is stopped to ensure that the materials with the height of C are always kept in the closed pipe;
d. the closing piece moves up quickly in the closing pipe, the closing piece moves up to drive the material at the height of C in the closing pipe to move up, and when the material at the highest position in the closing pipe moves to a position with a distance A from the pipe opening of the crushing pipe, the closing piece stops moving up;
e. and circulating the steps a-d.
Preferably, the distance A in step a is between 2 and 3cm, the distance B in step C is between 7 and 10cm, and the distance C in step C is between 4 and 6 cm.
The application also protects a slag discharging method of the vortex crushing device with the slag discharging structure, which is realized based on the condition that the sealing piece is closed by the material supporting box, and comprises the following steps:
a. moving the closing piece in the closing pipe upwards until the closing piece moves to a position with a distance A from the pipe orifice of the crushing pipe and stops moving upwards;
b. the sealing piece continuously moves downwards along with the accumulation of the materials in the crushing pipe in the sealing pipe, so that the highest position of the material accumulation of the sealing piece in the downward moving process has A distance with the pipe orifice of the crushing pipe;
c. when the stacking height of the materials in the closed pipe is B, opening a cover plate at the top of the material supporting box, blanking the materials into the material supporting box, slowly moving the material supporting box upwards in the closed pipe at the same time, wherein the speed of the material supporting box upwards moving in the closed pipe is equal to the blanking speed of the materials, so that the highest position of the materials in the closed pipe is unchanged, and when the height of the materials in the closed pipe is reduced to C, stopping blanking, and ensuring that the materials with C height are always kept in the closed pipe;
d. closing a cover plate at the top of the material supporting box, then opening a cover plate at the bottom of the material supporting box, and blanking the materials in the material supporting box to the closed material storage shell;
e. and circulating the steps a-d.
Through the technical scheme, the technical effects obtained by the application are as follows:
1. through set up the closed tube on broken pipe to set up the closure in it, regular row's of realizing in the broken pipe is expected, prevents to be difficult to by the inside diameter that reduces broken pipe such as broken big ore granule in the broken pipe.
2. The method through the segmentation row material makes to have the material of take the altitude all the time in the closed tube, the material of this height not only plays sealed confined effect, the segmentation row material is arranged the inner wall that highly can not exceed broken pipe of guaranteeing the material all the time moreover, thereby avoid forming bellied material swell, also can not appear sunken here, avoid inside air current to appear here to fluctuate by a wide margin, thereby lead to inside material granule here flow speed, the change of flow direction, thereby the induced air spare (impeller) of this department are beaten repeatedly to inside material granule appears, cause the reduction of induced air spare life-span.
Drawings
FIG. 1 is a schematic view of a closure according to the present invention in one form;
FIG. 2 is an enlarged view taken at I in FIG. 1;
FIG. 3 is a schematic view of a closure according to another embodiment of the present invention;
FIG. 4 is an enlarged view taken at II in FIG. 3;
FIG. 5 is a top view of a cross-sectional view of the holding box of FIG. 4;
FIG. 6 is a schematic structural view of a top cover plate of the holding box in FIG. 4;
fig. 7 is a schematic structural view of a bottom cover plate of the material holding box in fig. 4.
In the figure, 1, a crushing pipe, 2, a discharge port, 3, an impeller, 4, a closed pipe, 401, a closed section, 402, a discharge section, 5, a material level detection piece, 6, a closing piece, 601, a supporting plate, 602, a driving piece, 7, a closed material storage shell, 8, a screen, 9, a back-blowing feeding pipe, 10, a switch valve, 11, a first necking, 12, a second necking, 13, a heating section, 14, a cooling pipe section, 15, a material supporting box, 1501, a cover plate, 1505, a material leakage hole, 1503, a rotating plate, 1504, a through hole, a double-shaft motor, 16, a second sealing door, 17 and a first sealing door.
Detailed Description
In order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings.
In addition, in the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicate orientations and positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1-2, a vortex breaking device with a slag discharging structure and a slag discharging method mainly protect two parts, namely, the protection of the vortex breaking device with the slag discharging structure and the slag discharging method based on the device.
The vortex crushing device with the slag discharging structure mainly comprises a crushing pipe 1, a closed pipe 4, a closed material storage shell 7 and a closing piece 6.
Broken 1 level of pipe sets up, broken 1 one end of pipe has the air intake, the other end has discharge gate 2 and induced air spare, just outside this, the one end of air intake still has the feed inlet, the material that the feed inlet got into, the material is mainly further kibbling ore granule in this application, after the material gets into broken pipe 1, along with the inside air negative pressure of the broken pipe 1 of drive of induced air spare flows, what the induced air spare of here adopted is impeller 3, impeller 3's rotation can be in broken 1 intraductal negative pressure that forms, thereby high-speed negative pressure air current makes the inside material that gets into of broken pipe 1 strike and the striking between material and the broken pipe 1 between each other play broken purpose.
And at the inside broken in-process of broken pipe 1, some ore large particles can be detained in the bottom of the broken pipe 1 that is close to impeller 3 department, thereby pile up at broken pipe 1 and form the material swell for avoiding the ore large particle, thereby because the existence of material swell leads to broken pipe 1 inside air current and material to fluctuate here or produce the cyclone, lead to the ore large particle to beat the phenomenon of impeller 3 repeatedly, this kind of phenomenon not only causes impeller 3's life-span to reduce, but also great vibration appears, the noise sympathetic response scheduling problem.
A closed pipe 4 is vertically arranged at the bottom of the crushing pipe 1, which is close to the impeller 3 or the discharge port 2, of the crushing pipe 1, the upper end of the closed pipe 4 is communicated with the crushing pipe 1, and the lower end of the closed pipe 4 is connected with and communicated with a closed material storage shell 7. The closing member 6 is arranged in the closing pipe 4 in an openable and closable manner, and when a certain amount of large ore particles are accumulated in the closing pipe 4, the discharging is performed by moving or opening the closing member 6. So can not appear the pile up of the big granule of ore at the inner wall of broken pipe 1, its benefit is: the reduction of the inner diameter of the water breaking pipe is not caused, namely the drift diameter of the breaking pipe 1 is reduced; secondly can not lead to inside air current, the material of broken pipe 1 to produce great fluctuation here because of the existence of material swell, and the air current is beaten soon or the material is beaten soon repeatedly promptly, and then has avoided beating the impeller 3 that is close to this department repeatedly because of the material is beaten soon, reduces the damage to impeller 3, also reduces simultaneously because of beating great noise and sympathetic response etc. that impeller 3 appears.
It should be noted that, because the existence of the closed pipe 4, the closed pipe 4 forms a downward groove on the crushing pipe 1, and then because the existence of the groove still has the condition that the air flow and the material fluctuate at the position, a small distance can be left between the closing part 6 and the bottom of the crushing pipe 1, namely the depth of the groove at the position is small, after the material in the crushing pipe 1 falls into the groove, the height of the material is basically flush with the inner wall of the crushing pipe 1, then the material in the groove is discharged circularly, even after the material in the inner groove is discharged, the fluctuation of the material is small, and the time for the impeller 3 to be damaged greatly by the inner material is also shortened to a certain extent in the whole process of crushing of the vortex crushing device.
Further, still be equipped with material level detection spare 5 in the closed tube 4 for the material level height that the real-time detection material piled up in closed tube 4, in this embodiment, above-mentioned material level detection spare 5 can adopt the height that the real-time mode of shooing of infrared ray obtained the material in closed tube 4 in real time, can control the removal of closure 6 in closed tube 4 based on this material level height.
Further, in one embodiment, as shown in FIG. 2, the closed conduit 4 comprises a closed section 401 and a discharge section 402, with a flared section between the closed section 401 and the discharge section 402, that is, the inner diameter of the closed section 401 is smaller than the minimum inner diameter of the discharge section 402, the discharge section 402 is in the shape of a horn, the closed section 401 of the closed pipe 4 is connected with the crushing pipe 1, the discharge section 402 is connected and communicated with the closed material storage shell 7, the closing part 6 comprises a supporting plate 601 and a driving part 602, the driving part 602 drives the supporting plate 601 to be arranged in the closed pipe 4 in a lifting way, the supporting plate 601 is movably arranged in the closed section 401 of the closed pipe 4 and is in sealing butt joint with the inner wall of the closed pipe 4, the supporting plate 601 can move up and down along the closed section 401 of the closed pipe 4 under the driving of the driving part 602, when the supporting plate 601 is at the closed section 401, the pallet 601 may seal the closed tube 4 with a discharge gap between the pallet 601 and the inner wall of the closed tube 4 as the pallet 601 moves to the discharge section 402. Through setting up closed tube 4 to closed section 401 and row material section 402, utilize the removal of closure 6 in closed tube 4 to realize sealed and the purpose of arranging the material, utilize the removal position of closure 6 in closed tube 4 to control the material pile up the height in broken pipe 1 simultaneously, and keep the material can not appear the material bulge in broken pipe 1, and, also, can move when closed tube 4 through closure 6, guarantee that the material pile up the height in broken pipe 1 and keep the parallel and level with the inner wall of broken pipe 1 all the time, guarantee the steady of air current in broken pipe 1, prevent that air current and material from producing the cyclone because of the material bulge appears undulant at this closed tube 4 junction, avoid inside material, especially great ore granule strikes impeller 3 repeatedly, reduce the problem of impeller 3's life-span. Although a brief flow instability may occur due to the depression of the closed tube 4 when the pallet 601 moves to the discharge section 402, at which time the material inside the closed tube 4 is partially discharged, this phenomenon is brief and may be allowed to exist as the pallet 601 may move up quickly after discharge to end the phenomenon.
Further, in one embodiment, as shown in fig. 3 to 7, the above-mentioned closing member 6 includes a material holding box 15 and a driving member 602, the material holding box 15 has an openable and closable material plate and a hollow box body at the top and bottom, respectively, the driving member 602 drives the material holding box 15 to be disposed in the closed pipe 4 in a lifting manner, and the material holding box 15 is in sealing contact with the inner wall of the closed pipe 4. Different from the embodiment, the supporting plate 601 is replaced by the supporting box 15, the supporting box 15 can move up and down in the closed pipe 4, the material can be always kept flush with the inner wall of the crushing pipe 1 at the highest stacking position of the closed pipe 4 in the closed pipe 4 by the movement of the supporting box 15, the supporting box 15 moves down in real time, the height of the material stacked in the closed pipe 4 is always kept flush with the inner wall of the crushing pipe 1, the material is ensured not to bulge in the crushing pipe 1, when the material is stacked to a certain height, the material can be flowed into the supporting box 15 by opening the material plate at the top of the supporting box 15, the whole supporting box 15 moves up in the process of flowing the material into the supporting box 15, so that the material in the closed pipe 4 can be always kept at the same height, and the height of the material newly flowed into the closed pipe 4 is always kept flush with the inner wall of the crushing pipe 1 after the material enters the closed pipe 4, further ensuring the stability of the airflow in the crushing pipe 1, preventing the cyclone generated by the fluctuation of the airflow and the material at the joint of the closed pipe 4 due to the material bulge, and avoiding the problem that the service life of the impeller 3 is reduced because the inner material, especially larger ore particles, repeatedly impact the impeller 3; moreover, the embodiment can make up for the defects of the embodiment and avoid the phenomenon of transient unstable airflow.
Further, as shown in fig. 6 to 7, the structure of the material holding box 15 is specific, each material plate includes a cover plate 1501 and a rotating plate 1503, the cover plate 1501 on the top of the material holding box 15 and the cover plate 1501 on the bottom of the material holding box 15 are respectively provided with a material leaking hole 1502, the size of each material leaking hole 1502 is not larger than 1/4 of the size of the cover plate 1501, the material leaking hole 1502 on the cover plate 1501 on the top of the material holding box 15 and the material leaking hole 1502 on the cover plate 1501 on the bottom of the material holding box 15 are arranged in 180 ° projection in the horizontal plane, the 180 ° arrangement can ensure that the overlapping material leaking phenomenon of the upper and lower cover plates 501 can not occur, that is, after the material leaking hole 1502 on the cover plate 1501 on the top is completely sealed, the material leaking hole 1502 on the cover plate 1501 on the bottom is not opened yet, the material holding box 15 is further provided with a double-shaft motor, two output shafts of the double-shaft motor are correspondingly and rotatably connected to the two cover plates 1505, the two rotating plates are correspondingly arranged on two output shafts of the double-shaft 1505 motor, each rotating plate 1503 is provided with through holes 1504 with the same size as the material leaking holes 1502, and the through holes 1504 on the two rotating plates 1503 are arranged in an up-and-down alignment manner.
When the double-shaft motor 1505 rotates to drive the rotating plate 1503 to rotate relative to the cover plate 1501, the through hole 1504 in the rotating plate 1504 at the top is aligned with the material leaking hole 1502 in the cover plate 1501 at the top, the through hole 1504 in the rotating plate 1503 at the bottom is staggered with the cover plate 1501 at the bottom, and the double-shaft motor 1505 stops rotating, so that the upper end of the material supporting box 15 is opened, the lower end of the material supporting box is closed, and materials in the closed pipe 4 are discharged into the material supporting box 15. After the material holding box 15 is filled with the material, the double-shaft motor 1505 continues to rotate, when the through hole 1504 in the rotating plate 1503 at the bottom is aligned with the material leaking hole 1502 in the bottom cover plate 1501, the double-shaft motor 1505 stops rotating, the upper end of the material holding box 15 is closed, the lower end of the material holding box is opened, the material in the material holding box 15 is dropped into the closed material storage shell 7, and the material is circulated to realize the segmented material discharge in the crushing tube 1.
Further, still include screen cloth 8 and a blowback inlet pipe 9, screen cloth 8 slope sets up inside sealed material shell 7, and sealed material shell 7 corresponds the upper and lower both sides of screen cloth 8 and is equipped with first sealing door 17 and second sealing door 16 respectively, and first sealing door 17 is used for regularly discharging the bigger granule ore that sieves on the screen cloth 8 upside. The blowback inlet pipe 9 is connected between the closed material storing shell 7 and the crushing pipe 1 on the lower side of the screen mesh 8, the blowback inlet pipe 9 is further provided with a switch valve 10, the switch valve 10 can be an electromagnetic valve, the second sealing door 16 is opened when the blowback inlet pipe 9 sucks the small-particle materials on the lower side of the screen mesh 8 into the crushing pipe 1, and the blowback inlet pipe 9 is opened to suck the small-particle materials on the lower side of the screen mesh 8 in the closed material storing shell 7 into the crushing pipe 1 under the action of negative pressure air pumped by the impeller 3. The crushing pipe 1 has two necks, which are called as a first neck 11 and a second neck 12, the crushing pipe 1 between the two necks has a heating pipe section 13 and a cooling pipe section 14, the heating pipe section 13 heats the large-particle ore inside by using the existing winding heating wire, or a heat insulation shell is arranged outside the heating pipe section 13, high-temperature oil is filled between the heat insulation shell and the heating pipe section 13, the heating is carried out for generating crack growth of the ore particles inside, the back-blowing feeding pipe 9 is connected to the cooling pipe section 14 of the crushing pipe 1, the cooling function is that the natural wind sucked from the second sealing door 16 at the position cools the heated material in the crushing pipe 1, when the natural wind enters, the smaller particles below the screen 8 enter the crushing pipe 1 along with the negative pressure wind, and the heat is utilized, The mode of cold temperature shock wave accelerates the breakage of ore granule, moreover, utilizes less granule material blowback to raise inside ore granule that the crack has developed, increases the collision between tiny particle and the large granule ore, and the air of the relative simple of collision power between the granule raises the large granule ore has bigger impact velocity, has aggravated the collision between the ore granule more, and then improves crushing effect.
However, the purpose of providing the switch valve 10 on the blowback feed pipe 9 is to connect the crushing pipe 1 with the blowback feed pipe 9 at some time, that is, to avoid the gas flow generated in the blowback feed pipe 9 when the supporting plate 601 moves to the discharge section 402, and to blow back or lift up the part of the material reserved in the closed pipe 4 due to the existence of negative pressure, so that the material impacts the impeller 3.
Further, in the above-mentioned supporting plate 601, the upper surface is a spherical curved surface protruding upwards, and the spherical curved surface can make the material inside the closed pipe 4 accumulate towards the inner wall of the closed pipe 4, so as to form a seal at the surface where the material contacts between the sealing supporting plate 601 and the closed pipe 4.
It should be noted that the lifting of the supporting plate 601 and the supporting box 15 can be driven by a telescopic cylinder, the telescopic cylinder is fixed below the closed material storage shell 7, the telescopic rod extends into the closed material storage shell 7, and in the embodiment of the supporting plate 601, the telescopic rod of the telescopic cylinder is connected with the supporting plate 601; in the embodiment of the tote box 15, the telescoping rods are connected to the bottom deck.
The application also protects a slag discharging method of the vortex crushing device with the slag discharging structure, which specifically comprises the following steps:
a. the closing element 6 in the closing tube 4 is moved upwards until the closing element 6 has moved to a position at a distance a from the lowest end of the inner wall of the crushing tube 1 and stops moving upwards.
b. Along with the accumulation of the materials in the crushing pipe 1 in the closed pipe 4, the closing piece 6 continuously moves downwards in real time, the speed of the downward movement is equal to the feeding speed, the material level detection piece 5 detects that the highest position of the material accumulation always has a distance A from the lowest end of the inner wall of the crushing pipe 1, the telescopic cylinder is controlled to drive the closing piece 6 to move upwards, the material which immediately falls into the closed pipe 4 is filled with the closed pipe 4 with the distance A, the highest position of the material is flush with the inner wall of the crushing pipe 1 at the moment, so that the material in the crushing pipe 1 can not bulge, and the existence of the closed pipe 4 can not cause the dent (namely the neck expansion) of the crushing pipe 1, thereby guarantee the stability of the air current and the material of flowing through, can not produce fluctuation by a wide margin, just can not lead to inside air current fluctuation to form the problem that the cyclone caused the material direction change to strike impeller 3 repeatedly because of the needs of arranging the material yet.
c. When the stacking height of the materials in the closed pipe 4 is B height, the material level detection part 5 detects B height, the closing part 6 moves to the blanking section of the closed pipe 4 right, the materials in the closed pipe 4 are blanked, until the materials are blanked to C height, the material level detection part 5 detects C height, the telescopic cylinder is controlled to drive the closing part 6 to move up quickly to stop blanking, and at the moment, the materials with C height are kept in the closed pipe 4 all the time.
d. The telescopic cylinder drives the closing piece 6 to move up rapidly in the closing pipe 4, the closing piece 6 also can drive the C-height material in the closing pipe 4 to move up when moving up, the material level detection piece 5 detects the position of moving up of the C-height material in real time until the material moving up to the highest position in the closing pipe 4 moves to the position with the distance A from the lowest end of the inner wall of the crushing pipe 1, the material level detection piece 5 detects the position, and the telescopic cylinder stops driving the closing piece 6 to stop moving up.
e. And circulating the steps a-d.
The method can realize the segmented material discharge in the crushing pipe 1, ensures the constancy of the inner pipe diameter of the crushing pipe 1 at the closed pipe 4 while discharging the material, ensures the stability of the air flow in the crushing pipe 1, avoids the material from generating large fluctuation along with the air flow, even generates cyclone, causes the ore particles to impact and impact the impeller 3, accelerates the damage of the impeller 3, and additionally increases the noise, resonance and other phenomena caused by the impact of the impeller 3.
Further, the distance A in the step a is 2-3cm, the distance B in the step C is 7-10cm, and the distance C in the step C is 4-6cm, because the distance A can meet the requirement that the distance A immediately enters the groove corresponding to the distance A in the working process of the vortex crusher and fills the groove in a short time when the distance A is obtained, the material is basically flush with the inner wall of the crushing pipe 1, and the influence on the fluctuation of the air flow inside is small. In addition, the distance B and the distance C are taken from the ranges, so that the distance C can play a sealing role in the discharging process of the closed pipe 4 at the distance, ore particles in the closed pipe 4 are prevented from being blown back through airflow at the position under the negative pressure of the impeller 3, the impeller 3 close to the position is further hit, and the damage of the impeller 3 is accelerated.
The application also discloses a slag discharging method for the vortex crushing device with the slag discharging structure, which is a specific slag discharging method for sealing the material supporting box 15 based on the sealing part 6 and comprises the following steps:
a. moving the closing member 6 in the closing tube 4 upwards until the closing member 6 is moved to a position with a distance A from the nozzle of the crushing tube 1 to stop moving upwards;
b. as the materials in the crushing pipe 1 are accumulated in the closing pipe 4, the closing piece 6 continuously moves downwards, so that the highest position of the material accumulation of the closing piece 6 in the downward moving process has a distance A from the pipe opening of the crushing pipe 1;
c. when the stacking height of the materials in the closed pipe 4 is B, the cover plate 1501 at the top of the material supporting box 15 is opened, the materials are discharged into the material supporting box 15, the material supporting box 15 slowly moves upwards in the closed pipe 4, the speed of the material supporting box 15 moving upwards in the closed pipe 4 is equal to the discharging speed of the materials, so that the highest position of the materials in the closed pipe 4 is unchanged, and thus a phenomenon that a large depression is formed in the closed pipe 4 to cause transient unstable airflow is avoided, when the height of the materials in the closed pipe 4 is reduced to C, the discharging is stopped, the materials with C height are ensured to be always kept in the closed pipe 4, and it needs to be noted that the height of the material supporting box 15 is basically B-C, namely when the materials in the material supporting box 15 are just filled, the height of the materials in the closed pipe 4 is just C;
d. closing a cover plate 1501 at the top of the material supporting box 15, then opening the cover plate 1501 at the bottom of the material supporting box 15, and blanking the materials in the material supporting box 15 to a closed material storage shell 7;
e. and (c) circulating the steps a-d to realize the purpose of sectional material discharge of the closed tube 4, ensuring the constant pipe diameter inside the crushing tube 1 at the closed tube 4 while discharging the material, ensuring the stability of the airflow inside the crushing tube 1 and avoiding the material from generating large fluctuation along with the airflow passing through the closed tube.
The above-described embodiments should not be construed as limiting the scope of the invention, and any alternative modifications or alterations to the embodiments of the present invention will be apparent to those skilled in the art.
The present invention is not described in detail, but is known to those skilled in the art.
Claims (10)
1. A vortex breaking device with a slag discharge structure is characterized by comprising:
the crushing pipe is horizontally arranged, one end of the crushing pipe is provided with an air inlet, and the other end of the crushing pipe is provided with a discharge port and an air inducing piece;
the closed pipe is vertically arranged at the lower part of the crushing pipe close to the discharge hole, and the upper end of the closed pipe is communicated with the crushing pipe;
the closed material storage shell is connected to the lower end of the closed pipe and communicated with the closed pipe;
a closure openably and closably disposed on the closure tube.
2. The vortex breaking device with the slag discharging structure as claimed in claim 1, wherein a material level detecting member is further disposed in the closed tube for detecting a material level of the material accumulated in the closed tube in real time.
3. The vortex breaking device with the slag discharging structure as claimed in claim 1, wherein the closed pipe comprises a closed section and a discharging section, the closed section of the closed pipe is connected with the crushing pipe, the closing member comprises a supporting plate and a driving member, the driving member drives the supporting plate to be arranged in the closed pipe in a lifting manner, the supporting plate is movably arranged in the closed section of the closed pipe and is in sealing butt joint with the inner wall of the closed pipe, and when the supporting plate moves to the discharging section, a discharging gap is formed between the supporting plate and the inner wall of the closed pipe.
4. The vortex breaking device with the slag discharging structure as claimed in claim 1, wherein the sealing member comprises a material supporting box and a driving member, the top and the bottom of the material supporting box are respectively provided with an openable and closable material plate, the driving member drives the material supporting box to be arranged in the closed pipe in a lifting manner, and the material supporting box is in sealing butt joint with the inner wall of the closed pipe.
5. A scroll crusher having a slag discharge structure according to claim 4, wherein each of said material plates includes a cover plate and a rotating plate, the cover plate at the top of the material supporting box and the cover plate at the bottom of the material supporting box are respectively provided with material leaking holes, the size of each material leaking hole is not larger than 1/4 of the size of the cover plate, the projections of the material leaking holes of the cover plate on the top of the material supporting box and the material leaking holes of the cover plate on the bottom of the material supporting box in the horizontal plane are arranged in 180 degrees, the material supporting box is characterized in that a double-shaft motor is further arranged in the material supporting box, two output shafts of the double-shaft motor are correspondingly and rotatably connected to the two cover plates, the two rotating plates are correspondingly arranged on the two output shafts of the double-shaft motor, through holes with the size equal to that of the material leaking holes are formed in each rotating plate, and the through holes in the two rotating plates are vertically and oppositely arranged.
6. A scroll crusher having a slag discharge structure according to claim 3 or 4, further comprising:
the screen is obliquely arranged inside the closed material storage shell, and a first sealing door and a second sealing door are respectively arranged on the two sides of the closed material storage shell corresponding to the screen;
the back-blowing feeding pipe is connected between the closed material storage shell on the lower side of the screen and the crushing pipe, the crushing pipe is provided with two necking necks, the crushing pipe between the two necking necks is provided with a heating pipe section and a cooling pipe section, the back-blowing feeding pipe is connected to the cooling pipe section of the crushing pipe, and a switch valve is further arranged on the back-blowing feeding pipe.
7. The vortex breaking apparatus with slag discharging structure as claimed in claim 3, wherein the upper surface of the supporting plate is a spherical curved surface protruding upward.
8. A slag discharging method using the scroll crusher having a slag discharging structure of claim 1, comprising the steps of:
a. moving the closure up inside the closure tube until the closure is moved to a position a distance from the mouth of the fragmentation tube;
b. as the material in the crushing pipe is accumulated in the closed pipe, the closing piece continuously moves downwards, so that the highest position of the material accumulation in the downward moving process of the closing piece is always at a distance A from the pipe opening of the crushing pipe;
c. when the stacking height of the materials in the closed pipe is B height, the materials in the closed pipe are blanked until the height of the materials is C height, and the blanking is stopped, so that the materials with the C height are always kept in the closed pipe;
d. the sealing piece moves up quickly in the sealing pipe, the sealing piece moves up to drive the materials in the sealing pipe to move up, and when the highest material in the sealing pipe moves to a position with a distance A from the pipe orifice of the crushing pipe, the sealing piece stops moving up;
e. and circulating the steps a-d.
9. The slagging method in a scroll crusher having a slagging structure according to claim 8, wherein the distance A in step a is 2-3cm, the distance B in step C is 7-10cm, and the distance C in step C is 4-6 cm.
10. A slag discharging method using the scroll crusher having a slag discharging structure of claim 4, comprising the steps of:
a. moving the closure up inside the closure tube until the closure is moved to a position a distance from the mouth of the fragmentation tube;
b. as the material in the crushing pipe is accumulated in the closed pipe, the closing piece continuously moves downwards, so that the highest position of the material accumulation in the downward moving process of the closing piece is always at a distance A from the pipe opening of the crushing pipe;
c. when the stacking height of the materials in the closed pipe is B, opening a cover plate at the top of the material supporting box, blanking the materials into the material supporting box, and meanwhile, slowly moving the material supporting box upwards in the closed pipe, wherein the speed of the material supporting box upwards in the closed pipe is equal to the blanking speed of the materials, so that the highest position of the materials in the closed pipe is unchanged, and when the height of the materials in the closed pipe is reduced to C, stopping blanking, and ensuring that the materials with C height are always kept in the closed pipe;
d. closing a cover plate at the top of the material supporting box, then opening the cover plate at the bottom of the material supporting box, and discharging the materials in the material supporting box to the closed material storage shell;
e. and circulating the steps a-d.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111227945.3A CN113996428B (en) | 2021-10-21 | 2021-10-21 | Vortex crushing device with slag discharging structure and slag discharging method |
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| CN202111227945.3A CN113996428B (en) | 2021-10-21 | 2021-10-21 | Vortex crushing device with slag discharging structure and slag discharging method |
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| TW445175B (en) * | 1998-10-28 | 2001-07-11 | Douglas Forbes | Apparatus for granulating a material |
| GB0330262D0 (en) * | 2001-07-13 | 2004-02-04 | Rmg Services Pty Ltd | Intense vortex dryer,comminutor and reactor |
| AU2002317626B2 (en) * | 2001-07-13 | 2006-12-07 | Gomez, Rodolfo Antonio M | Intense vortex dryer, comminutor and reactor |
| CN209934941U (en) * | 2019-03-28 | 2020-01-14 | 河南东祥伟业化工有限公司 | Cyclone collecting device of airflow vortex pulverizer |
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2021
- 2021-10-21 CN CN202111227945.3A patent/CN113996428B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW445175B (en) * | 1998-10-28 | 2001-07-11 | Douglas Forbes | Apparatus for granulating a material |
| GB0330262D0 (en) * | 2001-07-13 | 2004-02-04 | Rmg Services Pty Ltd | Intense vortex dryer,comminutor and reactor |
| AU2002317626B2 (en) * | 2001-07-13 | 2006-12-07 | Gomez, Rodolfo Antonio M | Intense vortex dryer, comminutor and reactor |
| CN209934941U (en) * | 2019-03-28 | 2020-01-14 | 河南东祥伟业化工有限公司 | Cyclone collecting device of airflow vortex pulverizer |
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| CN113996428B (en) | 2023-03-31 |
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Denomination of invention: A vortex crushing device with slag discharge structure and slag discharge method Granted publication date: 20230331 Pledgee: China Postal Savings Bank Corporation Yantai Fushan District sub branch Pledgor: SHANDONG XINHAI MINING TECHNOLOGY & EQUIPMENT Inc. Registration number: Y2024980005628 |