CN115283409A - Coal-fired furnace slag refining and screening device - Google Patents
Coal-fired furnace slag refining and screening device Download PDFInfo
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- CN115283409A CN115283409A CN202210792384.XA CN202210792384A CN115283409A CN 115283409 A CN115283409 A CN 115283409A CN 202210792384 A CN202210792384 A CN 202210792384A CN 115283409 A CN115283409 A CN 115283409A
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- coal
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- frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
- B09B3/35—Shredding, crushing or cutting
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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
- B02C1/00—Crushing or disintegrating by reciprocating members
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J1/00—Removing ash, clinker, or slag from combustion chambers
- F23J1/06—Mechanically-operated devices, e.g. clinker pushers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D31/00—Other cooling or freezing apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B2101/00—Type of solid waste
- B09B2101/55—Slag
Abstract
The invention relates to the field of coal-fired furnace slag treatment, and particularly discloses a coal-fired furnace slag refining and screening device, which comprises: a base; the box body assembly is fixedly connected with the base; a feed box assembly; the dust removal cooling device is connected with the interior of the box body assembly; a material mixing device is linked; the communicating component is connected with the box body component; a linkage crushing device; wherein the communication assembly comprises: a blocking connection assembly; the dust removal cooling device is matched with the linked material mixing device to realize cooling and dust removal of the coal-fired furnace slag, and is matched with the transmission frame to realize intermittent leading-in and leading-out of the fuel furnace slag; when screening, drive linkage reducing mechanism, refine the smashing to bold burning coal cinder in batches, prevent that the leading-in material is too much, influence the refinement effect of material.
Description
Technical Field
The invention relates to the coal-fired furnace slag treatment industry, in particular to a coal-fired furnace slag refining and screening device.
Background
The coal-fired furnace slag is called coal slag for short, is waste slag discharged after coal is fired by coal-fired power plants, industrial and civil boilers and other equipment, and mainly contains silicon dioxide, aluminum oxide, ferric oxide, calcium oxide, a small amount of magnesium, sulfur, carbon and the like. The chemical composition is related to the composition of the coal, the particle size, the boiler form, the combustion technology, etc.
For improving the utilization ratio to coal-fired furnace sediment, can regard coal-fired furnace sediment as the raw materials of preparation building material, nevertheless need smash unprocessed bold coal-fired furnace sediment to make coal-fired furnace sediment raw materials be applicable to subsequent machine-shaping, when nevertheless current reducing mechanism refines coal-fired furnace sediment, adopt the mode of whole leading-in processing, accumulational coal-fired furnace sediment has reduced the effect of refining of device, consequently, for solving this problem, need to develop a coal-fired furnace sediment and refine screening plant urgently.
Disclosure of Invention
The invention aims to provide a slag refining and screening device of a coal-fired furnace, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a coal-fired furnace slag refining and screening device comprises:
a base;
the box body assembly is fixedly connected with the base;
a feed box assembly connected to the box assembly;
the dust removal cooling device is connected with the interior of the box body assembly and is used for leading in cooling dust removal of the coal-fired slag;
the linkage mixing device is connected with the dust removal cooling device and is used for matching with the cooling dust removal device to complete mixing and stirring of the fuel furnace slag;
the communicating component is connected with the box body component;
the linkage crushing device is connected with the box body assembly and is used for matching with the communicating assembly to finish crushing and refining of the coal-fired furnace slag;
wherein the communication assembly comprises:
the blocking connecting assembly is connected with the box body assembly and is used for matching with a linkage mixing device to complete the intermittent discharge of the coal-fired furnace slag;
and the linkage bin assembly is in sliding connection with the box body assembly and is used for matching with the blocking connecting assembly to complete collection and derivation of the non-compliant coal-fired slag.
Compared with the prior art, the invention has the beneficial effects that: the device has reasonable design, the dust removal cooling device is matched with the linkage mixing device to realize the cooling and dust removal of the coal-fired furnace slag, and the intermittent leading-in and leading-out of the fuel furnace slag can be realized by matching with the transmission frame; when screening, drive linkage reducing mechanism, refine crushing to the bold coal fired boiler slag in turn, prevent that leading-in material is too much, influence the effect of refining of material, improved the not enough of current device, have higher practicality and market prospect, be fit for using widely on a large scale.
Drawings
FIG. 1 is a schematic view of the internal structure of a slag refining and screening device for a coal-fired furnace according to an embodiment of the present invention.
FIG. 2 is a schematic external view of a slag refining and screening device for a coal-fired furnace according to an embodiment of the present invention.
Fig. 3 is a partial structural diagram of a part a in fig. 1.
FIG. 4 is a schematic structural diagram of a linkage mixing device in a coal-fired furnace slag refining and screening device in an embodiment of the invention.
In the figure: 1-base, 2-box assembly, 3-feed box assembly, 4-dust removal cooling device, 5-linkage mixing device, 6-communication assembly, 7-blocking connection assembly, 8-linkage bin assembly, 9-linkage crushing device, 201-outer box, 202-first inner box, 203-second inner box, 204-first inner bin, 205-second inner bin, 206-third inner box, 207-first rack, 301-feed hopper, 302-first elastic member, 303-first blocking frame, 401-fixed frame bin, 402-driving member, 403-blade, 404-filtering member, 501-connecting shaft, 502-mixing frame, 503-driving frame, 701-second elastic member, 702-second blocking frame, 703-filtering frame, 801-linkage bin, 802-communication groove, 803-third elastic member, 901-first linkage frame, 902-second linkage frame, 903-second rack.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
A coal-fired furnace slag refining and screening device, as shown in fig. 1 and 2, in one embodiment of the present invention, comprising: a base 1; the box body component 2 is fixedly connected with the base 1; the feeding box assembly 3 is connected with the box body assembly 2; the dust removal cooling device 4 is connected with the interior of the box body component 2 and used for guiding cooling dust removal of the coal-fired slag; the linkage mixing device 5 is connected with the dust removal cooling device 4 and is used for matching with the cooling dust removal device 4 to complete mixing and stirring of the fuel furnace slag; the communication component 6 is connected with the box body component 2; the linkage crushing device 9 is connected with the box body component 2 and is used for matching with the communicating component 6 to finish crushing and refining of the coal-fired slag; wherein the communication assembly 6 comprises: the blocking connecting assembly 7 is connected with the box body assembly 2 and used for matching with the linkage mixing device 5 to complete the intermittent discharge of the coal-fired slag; linkage storehouse subassembly 8, linkage storehouse subassembly 8 and box subassembly 2 sliding connection for the cooperation blocks coupling assembling 7, accomplishes the collection of unconventional coal-fired slag and derives.
In one embodiment of the invention:
as shown in fig. 1 and 2, the case assembly 2 includes: the outer box body 201, the outer box body 201 is fixedly connected with the base; a first inner box 202, wherein the first inner box 202 is connected with the inside of the outer box 201; a second inner box 203, wherein the second inner box 203 is connected with the inside of the outer box 201; a first inner chamber 204, wherein the first inner chamber 204 is arranged inside the second inner box 203; at least two second inner bins 205, the second inner bins 205 being disposed inside the second inner box 203; a third inner case 206, the third inner case 206 being connected to the inside of the outer case 201; the first rack 207 is connected with the inside of the second inner bin 205 and is used for being matched with the linkage crushing device 5 to finish crushing and refining of the coal-fired slag;
coal-fired slag passes through the leading-in first inner box 202 of feeding case subassembly 3, stir in first inner box 202 inside, the cooling device 4 is stored to the cooperation outside, coal-fired slag cools off, then through intercommunication subassembly 6, divide the sieve, the fritter coal-fired slag that meets the requirements passes through the leading-in third inner box 206 inside of storehouse 205 in the second, big coal-fired slag intermittent type that does not meet the requirements is derived to inside of both sides linkage storehouse subassembly 8, then the intermittent type is derived to storehouse 205 inside and is smashed and refine in the both sides second again, finally leading-in third inner box 206 is inside to be stored.
In one embodiment of the invention:
as shown in fig. 1 and 2, the feed box assembly 3 includes: a feed hopper 301, wherein the feed hopper 301 is connected with the top side of the outer box body 201; a first elastic member 302, wherein the first elastic member 302 is fixedly connected with the inside of the feed hopper 301; the first elastic part 302 is an elastic expansion bracket; a first blocking frame 303, wherein the first blocking frame 303 is arranged at the bottom side of the feed hopper 301 and is connected with the first elastic element 302;
the bottom side of the feed hopper 301 is provided with a slot (not shown in the figure), when the dedusting and cooling device 4 operates, the linked material mixing device 5 can be driven to synchronously operate, the linked material mixing device 5 is intermittently abutted against the bottom side of the first blocking frame 303, and the first elastic part 302 is matched to realize the intermittent guide of the coal-fired slag in the feed hopper 301.
In one embodiment of the invention:
as shown in fig. 1 and 2, the dust removal cooling device 4 includes: a fixed frame bin 401, wherein one side of the fixed frame bin 401 is connected with the first inner box 202, and the other side is connected with the outer box 201; the driving piece 402 is rotatably connected with the interior of the fixed frame bin 401; the driving piece 402 is selected from a motor roller shaft; a plurality of blades 403, the plurality of blades 403 being connected to the driving member 402; the filter element 404, the filter element 404 is connected with the inside of the fixing frame bin 401 at one side; the filter element 404 is an activated carbon filter element;
the arrangement directions of the blades 403 on the two sides are opposite, when the driving parts 402 on the two sides rotate, the driving part 402 on one side is matched with the blades 403 to guide external air into the first inner box 202 to purge the internal coal-fired slag, and the driving part 402 on the other side is matched with the blades 403 to filter heat dust-collecting gas through the filter 404 and then guide the heat dust-collecting gas into the outer box 201, so that the cooling and dust removal treatment of the coal-fired slag are realized;
in the present application, the driving member 402 is not limited to an electric roller, and a linear motor, an electric cylinder or an air cylinder may also be used, as long as the blade can be driven to rotate, and the driving member is not limited in this application.
In one embodiment of the invention:
as shown in fig. 1 and 4, the gang mixer 5 includes: the connecting shaft 501 is connected with the driving pieces 402 on the two sides; at least two mixing frames 502, wherein the mixing frames 502 are connected with the connecting shaft 501; the transmission frame 503 is connected with the connecting shaft 501;
at connecting axle 501 and both sides driving piece 402 junction, install the reduction gear (not shown in the figure), when both sides driving piece 402 rotated, can drive connecting axle 501 and rotate, drive outside mixing frame 502 and driving frame 503 rotation in step, both sides mixing frame 502 stirs the inside coal-fired slag of first inner box 202 for the inside heat of coal-fired slag is dispelled, the better air-cooled heat dissipation that carries on, the driving frame 503 outer end adopts the arc setting.
In one embodiment of the invention:
as shown in fig. 1 and 3, the blocking connection assembly 7 includes: at least two second elastic members 701, wherein the second elastic members 701 are connected with the top side of the second inner box 203; the second elastic part 701 is an elastic expansion bracket; the second blocking frame 702 is connected with one end, far away from the second inner box 203, of the second elastic piece 701; a strainer tray 703, the strainer tray 703 being connected to the inside of the second blocking tray 702;
the second blocking frame 702 is hollow, the cooled small coal-fired furnace slag is guided out to the bottom through the filter screen frame 703, the bottom side of the first inner box 202 is provided with a slot (not shown in the figure), the second blocking frame 702 can be embedded with the slot on the bottom side of the first inner box 202, when the transmission frame 503 rotates synchronously along with the connecting shaft 501, the transmission frame intermittently abuts against the top side of the second blocking frame 702, the second blocking frame 702 can periodically abut against the slot on the bottom side of the first inner box 202 by matching with the second elastic element 701, and the large coal-fired furnace slag which is not sieved and accumulated in the first inner box 202 can be intermittently guided out.
In one embodiment of the invention:
as shown in fig. 1 and 3, the linkage bin assembly 8 includes: at least two linkage bins 801, wherein one side of each linkage bin 801 is connected with the bottom side of the first inner box 202 in a sliding manner, and the other side of each linkage bin 801 is connected with the top side of the second inner box 203 in a sliding manner and is abutted against the second blocking frame 702; the communication groove 802, the communication groove 802 is arranged inside the linkage cabin 801; one end of the third elastic member 803 is fixedly connected with the inside of the outer box 201, and the other end of the third elastic member 803 is connected with the linkage cabin 801; the third elastic member 803 is an elastic expansion bracket;
the second blocking frame 702 which moves longitudinally in a reciprocating mode can drive the linkage bins 801 which are abutted to the two sides to move transversely in a reciprocating mode in the middle of the first inner box 202 and the second inner box 203, the bottom sides of the linkage bins 801 are provided with openings, when the second blocking frame 702 moves downwards, the linkage bins 801 on the two sides move backwards, and large blocks of unscreened coal-fired furnace slag accumulated in the first inner box 202 are intermittently guided into the linkage bins 801 through the communication grooves 802.
In one embodiment of the invention:
as shown in fig. 1, the interlocking grinding device 9 includes: one end of the first linkage frame 901 is fixedly connected with the bottom of the second blocking frame 702, and the other end of the first linkage frame 901 is slidably connected with the first inner bin 204 in a penetrating manner; one end of the second linkage frame 902 is fixedly connected with the first linkage frame 901, and the other end of the second linkage frame 902 is connected with the second inner bin 205 in a penetrating manner; a second rack 903, wherein the second rack 903 is abutted against the inside of the second inner bin 205 and is connected with one end of the second linkage frame 902 far away from the first linkage frame 901;
the two sides of the first inner bin 204 and the second inner bin 205 are both provided with openings, when the bottom of the linkage bin 801 which moves transversely in a reciprocating manner is overlapped with the opening at the top of the second inner bin 205, large blocks of coal-fired slag in the linkage bin 801 are led into the second inner bin 205, when the second blocking frame 702 moves longitudinally in a reciprocating manner, the first linkage frame 901 and the second linkage frames 902 at the two sides can be driven to move longitudinally in a reciprocating manner, a groove (not shown in the figure) for the second linkage frame 902 to move is arranged in the second inner bin 203, the second rack 903 connected with the second linkage frame 902 moves longitudinally in the second inner bin 205 in a reciprocating manner, and the large blocks of coal-fired slag which is intermittently led into the second inner bin 205 are crushed in a reciprocating manner by matching with the first rack 207 arranged in the second inner bin 205 and then led out to the third inner bin 206.
The working principle of the invention is as follows: the coal-fired slag is guided into the first inner box 202 through the feeding box component 3, is stirred inside the first inner box 202, is matched with an external storage cooling device 4 to cool the coal-fired slag, is then separated and sieved through the communicating component 6, is guided into the third inner box 206 through the second inner bin 205, is intermittently guided into the two-side linkage bin components 8, is then intermittently guided into the two-side second inner bin 205 to be crushed and refined, and is finally guided into the third inner box 206 to be stored, a notch (not shown in the figure) is formed in the bottom side of the feeding hopper 301, when the dust removal cooling device 4 operates, the linkage mixing device 5 can be driven to synchronously operate, the linkage mixing device 5 is intermittently abutted against the bottom side of the first blocking frame 303, is matched with the first elastic piece 302 to realize intermittent guide-out of the coal-fired slag inside the feeding hopper 301, the blades 403 on the two sides are arranged in opposite directions, when the driving pieces 402 on the two sides rotate, one side 402 is matched with the blades 403 to guide external air into the first inner box 202, sweeps the coal-fired slag on the inside, the driving pieces 403, and the blades are matched with the blades to guide heat into the dust collection box 201 to realize the dust removal device 201 to cool the dust removal device 201 and filter elements 404 to cool the coal-removal device;
a reducer (not shown in the figure) is installed at the connection part of the connection shaft 501 and the two-side driving members 402, when the two-side driving members 402 rotate, the connection shaft 501 can be driven to rotate, the external mixing frame 502 and the transmission frame 503 are synchronously driven to rotate, the two-side mixing frame 502 stirs the coal-fired slag inside the first inner box 202, so that the heat inside the coal-fired slag is dissipated, and air cooling and heat dissipation are better performed, the outer end of the transmission frame 503 is arranged in an arc shape, the inside of the second blocking frame 702 is arranged in a hollow shape, the cooled small coal-fired slag is led out to the bottom through the filter screen frame 703, the bottom side of the first inner box 202 is provided with a slot (not shown in the figure), the second blocking frame 702 can be embedded with the slot at the bottom side of the first inner box 202, when the transmission frame 503 rotates synchronously with the connection shaft 501, the transmission frame intermittently abuts against the top side of the second blocking frame 702 to cooperate with the second elastic member 701, the second group of racks 702 can be in periodic abutting joint with the grooves at the bottom side of the first inner box 202, the large combustion coal slag which is accumulated in the first inner box 202 and is not sieved can be intermittently led out, the second blocking rack 702 which moves longitudinally in a reciprocating way can drive the linkage bin 801 which is abutted at two sides to move transversely in a reciprocating way at the middle parts of the first inner box 202 and the second inner box 203, the bottom side of the linkage bin 801 is provided with an opening, when the second blocking rack 702 moves downwards, the linkage bin 801 at two sides moves backwards, the large combustion coal slag which is accumulated in the first inner box 202 and is not sieved is intermittently led into the linkage bin 801 through the communicating groove 802, both sides of the first inner bin 204 and the second inner bin 205 are provided with openings, when the bottom of the linkage bin 801 which moves transversely in a reciprocating way is overlapped with the opening at the top side of the second inner bin 205, the large combustion coal slag in the linkage bin 801 is led into the second inner bin 205, when the second blocking rack 702 moves longitudinally in a reciprocating way, the first linkage frame 901 and the second linkage frames 902 on two sides can be driven to longitudinally reciprocate, a groove body (not shown in the figure) for the second linkage frame 902 to move is arranged in the second inner box 203, the second rack frame 903 connected with the second linkage frame 902 longitudinally reciprocates in the second inner bin 205 and is matched with the first rack frame 207 arranged in the second inner bin 205 to repeatedly crush large lump coal-fired slag intermittently led into the second inner bin 205 and then is led out to the inside of the third inner box 206.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A coal-fired furnace slag refining and screening device is characterized by comprising:
a base;
the box body assembly is fixedly connected with the base;
a feed box assembly connected to the box assembly;
the dust removal cooling device is connected with the interior of the box body assembly and is used for leading in cooling dust removal of the coal-fired slag;
the linkage mixing device is connected with the dust removal cooling device and is used for matching with the cooling dust removal device to complete mixing and stirring of the fuel furnace slag;
the communicating component is connected with the box body component;
the linkage crushing device is connected with the box body assembly and is used for matching with the communicating assembly to finish crushing and refining of the coal-fired furnace slag;
wherein the communication assembly comprises:
the blocking connecting assembly is connected with the box body assembly and is used for matching with a linkage mixing device to complete the intermittent discharge of the coal-fired furnace slag;
and the linkage bin assembly is connected with the box body assembly in a sliding manner and is used for matching with the blocking connecting assembly to complete collection and derivation of the non-compliant coal-fired slag.
2. The coal-fired furnace slag refining and screening device as set forth in claim 1, wherein the box assembly comprises:
the outer box body is fixedly connected with the base;
the first inner box is connected with the inner part of the outer box body;
the second inner box is connected with the inner part of the outer box body;
the first inner bin is arranged inside the second inner box;
the second inner bins are arranged inside the second inner box;
the third inner box is connected with the inner part of the outer box body;
and the first rack is connected with the inside of the second inner bin and is used for matching with a linkage crushing device to finish crushing and refining of the coal-fired slag.
3. The coal-fired furnace slag refining and screening device as set forth in claim 2, wherein the feeding box assembly comprises:
the feeding hopper is connected with the top side of the outer box body;
the first elastic part is fixedly connected with the inside of the feed hopper;
the first blocking frame is arranged at the bottom side of the feed hopper and is connected with the first elastic piece.
4. The coal-fired furnace slag refining and screening device as claimed in claim 2, wherein the dust removal cooling device comprises:
the fixed frame bin is connected with the first inner box at one side and the outer box at the other side;
the driving piece is rotatably connected with the interior of the fixed frame bin;
the blades are connected with the driving part;
and the filtering piece is connected with the inside of the fixing rack bin on one side.
5. The coal-fired furnace slag refining and screening device as claimed in claim 4, wherein said linkage mixing device comprises:
the connecting shaft is connected with the driving pieces on the two sides;
the mixing frames are connected with the connecting shaft;
and the transmission frame is connected with the connecting shaft.
6. The coal-fired furnace slag refining and screening device as set forth in claim 2, wherein said blocking connection assembly comprises:
at least two second elastic members connected to a top side of the second inner case;
the second blocking frame is connected with one end, far away from the second inner box, of the second elastic piece;
and the filter screen frame is connected with the inside of the second blocking frame.
7. The coal-fired furnace slag refining and screening device as claimed in claim 6, wherein said linkage bin assembly comprises:
one side of the linkage bin is connected with the bottom side of the first inner box in a sliding manner, and the other side of the linkage bin is connected with the top side of the second inner box in a sliding manner and is abutted against the second blocking frame;
the communicating groove is arranged inside the linkage bin;
and one end of the third elastic piece is fixedly connected with the inside of the outer box body, and the other end of the third elastic piece is connected with the linkage bin.
8. The coal-fired furnace slag refining and screening device as claimed in claim 2, wherein the linkage crushing device comprises:
one end of the first linkage frame is fixedly connected with the bottom of the second blocking frame, and the other end of the first linkage frame is in sliding penetrating connection with the first inner bin;
one end of the second linkage frame is fixedly connected with the first linkage frame, and the other end of the second linkage frame is in through connection with the second inner bin;
and the second rack is abutted against the inside of the second inner bin and is connected with one end, far away from the first linkage frame, of the second linkage frame.
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| CN202210792384.XA CN115283409B (en) | 2022-07-05 | 2022-07-05 | Coal-fired slag refines screening plant |
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| CN202210792384.XA CN115283409B (en) | 2022-07-05 | 2022-07-05 | Coal-fired slag refines screening plant |
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