CN111250242B

CN111250242B - Power generation slag charge recycling treatment system

Info

Publication number: CN111250242B
Application number: CN202010099031.2A
Authority: CN
Inventors: 廖瑜琳; 谢彬彦
Original assignee: Shandong Xuguo Energy Co ltd
Current assignee: Shandong Xuguo Energy Co ltd
Priority date: 2020-02-18
Filing date: 2020-02-18
Publication date: 2021-02-05
Anticipated expiration: 2040-02-18
Also published as: CN111250242A

Abstract

The invention relates to a power generation slag recycling treatment system which comprises an outer frame, an inner cavity, an inlet, a water pump, a spray header, a pressing and slicing device and a grinding device, wherein the inlet is symmetrically formed in the upper end of the outer frame, the inner cavity is formed in the outer frame, the water pumps are symmetrically arranged on the left outer wall and the right outer wall of the outer frame, the water pumps are connected with the spray header, the spray header is arranged at the upper end of the inner cavity, the pressing and slicing device is arranged in the middle of the inner cavity, and the grinding device is arranged at the lower end. The invention can solve the problem that when grinding and crushing are carried out due to different sizes of coal cinder, part of the coal cinder possibly stays at the grinding port for a long time due to larger size, so that the blockage is caused, the dried coal cinder is light, the difficulty of entering the grinding port is improved to a certain extent, and the like.

Description

Power generation slag charge recycling treatment system

Technical Field

The invention relates to the field of power generation slag charge recycling, in particular to a power generation slag charge recycling treatment system.

Background

The coal slag is one of industrial solid wastes, and waste slag discharged by coal burning of thermal power plants, industrial and civil boilers and other equipment, also called slag, mainly comprises silicon dioxide, aluminum oxide, ferric oxide, calcium oxide, magnesium oxide and the like. Depending on the components, the method can be used for manufacturing cement, bricks, refractory materials and the like, and some of the methods can be used for preparing alumina or extracting rare metals such as gallium, germanium and the like, and the rare metals are generally recovered by adopting a mechanical grinding and crushing mode.

However, in the actual operation process, some problems are often encountered, and because the volume of the coal cinder is different, when the coal cinder is ground and crushed, the time that a part of the coal cinder possibly stays at the grinding opening is longer due to the larger volume, so that the blockage is caused, the dry coal cinder is light, and the difficulty of entering the grinding opening is improved to a certain extent.

Disclosure of Invention

Technical scheme (I)

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a processing system is recycled in electricity generation slag charge recovery, includes frame, inner chamber, inlet port, water pump, shower head, presses stripping and slicing device and grinder, frame upper end symmetry seted up the inlet port, the inner chamber has been seted up to the frame is inside, the water pump is installed to the symmetry on the two outer walls of the left and right sides of frame, the water pump is connected with the shower head, the shower head is installed in the inner chamber upper end, the mid-mounting of inner chamber has presses stripping and slicing device, grinder is installed to the lower extreme of inner chamber.

The pressing and cutting device comprises a lifting cylinder, a buffer block, a pressing block, a telescopic pipe, a fence plate, a pushing unit, two pressed block groups, two shielding plates, two angle cylinders and two corresponding units, wherein the middle part of the upper end of an inner cavity is provided with the lifting cylinder, the ejecting end of the lifting cylinder is provided with the buffer block, the outer part of the lifting cylinder is wrapped with the telescopic pipe, the lower end of the buffer block is provided with the pressing block, the edge of the lower end of the pressing block is provided with the fence plate, the lower end of the pressing block is uniformly provided with the pushing unit, the push-out unit is positioned in the fence plate, two baffle plates are arranged on the left side and the right side of the buffer block, the outer ends of the baffle plates are connected with the inner cavity through pin shafts, the middle part of the inner cavity is connected with the two pressed block groups through hinges, and an angle cylinder is connected between the lower end of the compression block group and the inner wall of the inner cavity through a pin shaft, a corresponding unit is arranged below the angle cylinder, and the corresponding unit is installed on the inner wall of the inner cavity.

When the coal cinder pushing and cutting device works, the buffer block and the pressing block are driven by the lifting cylinder to ascend synchronously, the gap between the inner cavity and the pressing block is gradually increased, the coal cinder falls onto the two pressed block groups from the gap, the pressing block is stressed to ascend until the shielding plate is abutted to the maximum angle, at the moment, the two shielding plates and the pressing block play a role in separating a coal cinder layer in the inner cavity, so that the coal cinder amount falling onto the two pressed block groups is uniform each time, after separation, when the coal cinder below the shielding plate and the pressing block all falls onto the two pressed block groups, the pressing block descends to crush the coal cinder with higher humidity into blocks, the pushing unit further cuts the coal cinder into small blocks in the period, then the coal cinder blocks are conveyed to the lower part through the two pressed block groups under the assistance of the pushing unit, the pressed and cut device crushes the drenched coal cinder into blocks, and the isovolumetric rate between the coal cinder is improved, the situation that the larger volume is blocked due to long stay time in situ during later grinding is avoided.

The pressurized block group including receive the piece, go out the air cavity and sealed lid, receive the inner of piece and evenly seted up out the air cavity, go out the upper end in air cavity and be connected with the outer end of sealed lid through the round pin axle, receive the structure that the up end outside-in downward sloping gradually of piece, the cinder of the drenching state of having avoided the whereabouts is whole to pile up in the outer end that receives the piece.

Grinder include the motor, the abrasive disc, the hot-air pump, heat conduction chamber and heat conduction ring board, the lower extreme at the inner chamber is installed to the motor, install the abrasive disc on the output shaft of motor, install the hot-air pump in the work groove, the hot-air pump is put through with heat conduction chamber, heat conduction chamber is located the inner chamber lower extreme, heat conduction ring board has been pasted to the outside in heat conduction chamber, concrete during operation, thereby carry steam to heat conduction intracavity to heat conduction ring board through the hot-air pump, rethread motor drive abrasive disc low-speed rotation, thereby grind the fritter cinder piece that falls, and simultaneously, heat conduction ring board under the intensification state carries out drying process to the cinder piece in grinding, the cinder piece is through constantly reducing of grinding clearance when the extrusion is ground to the cinder piece and is ground the processing.

Preferably, the left side and the right side of the lower end of the outer frame are provided with two working grooves, and the inlet is of a structure gradually inclining outwards from top to bottom.

Preferably, the lower part of the pressing block is of an inverted V-shaped structure, open grooves are uniformly formed in the lower part of the pressing block, and a pushing unit is arranged in each open groove.

Preferably, the edge of the pressing block is provided with a circular groove, the circular groove is connected with the fence plate through a built-in spring, and the initial state of the fence plate is gradually declined from outside to inside.

Preferably, the pushing unit comprises a pushing frame, a strong spring and a cutter, the pushing frame is connected with the open slot in a sliding fit mode, the strong spring is connected between the pushing frame and the open slot, and the cutter is uniformly arranged on the lower end face of the pushing frame.

Preferably, the corresponding unit comprises an air outlet pump, a multi-way pipe and a corresponding head, the air outlet pump is installed in the outer frame, the air outlet pump is connected with the multi-way pipe, and the corresponding head is uniformly communicated with the inner end of the multi-way pipe.

Preferably, the corresponding head comprises a corresponding pipe, a connecting pipe and a buffer spring, the corresponding pipe is connected with the inner cavity in a sliding fit mode, the upper end and the lower end of the corresponding pipe are connected with the inner cavity through the buffer spring, and the connecting pipe is connected between the outer end of the corresponding pipe and the multi-way pipe.

Preferably, the aperture of the grinding disc is gradually increased from top to bottom, and the outer wall of the lower end of the grinding disc is provided with pushing threads, so that the grinding disc plays a role in pushing.

(II) advantageous effects

1. According to the power generation slag recycling and reusing treatment system, the coal slag is treated before being ground in a wetting, crushing and slicing mode, so that the volume uniformity among the coal slag blocks is improved, the weight of the coal slag in a wetting state is increased, and the time length of each coal slag staying at a grinding opening is reduced under the action of wind power;

2. according to the power generation slag charge recycling and processing system, the pressing and cutting device disclosed by the invention is used for carrying out equivalent control on the coal slag which is crushed into blocks at a single time, and carrying out secondary cutting and pushing on the coal slag which is crushed into blocks through the pushing-out unit, so that the volume of the coal slag block is reduced, and meanwhile, the condition that an open slot is blocked is avoided;

3. according to the power generation slag recycling and reusing treatment system, when the grinding device is used for grinding, due to the fact that the grinding space is small, the wet coal slag blocks can be dried through the heat conduction ring plate in the heating state, and the collected coal slag is subjected to hot air treatment, so that the dryness of the coal slag is recovered before secondary utilization.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is an overall cross-sectional view of the present invention;

FIG. 2 is a schematic perspective view of the pressing block and the fence panel of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1 according to the present invention in the X direction;

FIG. 4 is an enlarged view of a portion of the invention in the direction Y of FIG. 1;

FIG. 5 is a close-up view taken in the direction Z of FIG. 1 of the present invention.

Detailed Description

Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.

The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.

As shown in fig. 1 to 5, a processing system is recycled in power generation slag charge recycling, includes frame 1, inner chamber 2, inlet port 3, water pump 4, shower head 5, presses stripping and slicing device 6 and grinder 7, frame 1 upper end symmetry seted up inlet port 3, frame 1 is inside to have seted up inner chamber 2, the water pump 4 is installed to the symmetry on the two outer walls of the left and right sides of frame 1, water pump 4 is connected with shower head 5, shower head 5 is installed in 2 upper ends of inner chamber, the mid-mounting of inner chamber 2 has presses stripping and slicing device 6, grinder 7 is installed to the lower extreme of inner chamber 2.

The pressing and slicing device 6 comprises a lifting cylinder 61, a buffer block 62, a pressing block 63, an extension pipe 64, a fence plate 65, a push-out unit 66, two pressed block groups 67, two baffle plates 68, two angle cylinders 69 and two corresponding units 70, wherein the middle part of the upper end of the inner cavity 2 is provided with the lifting cylinder 61, the push-out end of the lifting cylinder 61 is provided with the buffer block 62, the outer part of the lifting cylinder 61 is wrapped with the extension pipe 64, the lower end of the buffer block 62 is provided with the pressing block 63, the edge of the lower end of the pressing block 63 is provided with the fence plate 65, the lower end of the pressing block 63 is uniformly provided with the push-out unit 66, the push-out unit 66 is positioned inside the fence plate 65, the left side and the right side of the buffer block 62 are provided with the two baffle plates 68, the outer ends of the baffle plates 68 are connected with the inner cavity 2 through pin shafts, the middle part of the inner cavity 2 is connected with, the angle cylinder 69 has a corresponding unit 70 disposed below it, and the corresponding unit 70 is mounted on the inner wall of the inner chamber 2.

When the coal cinder cutting device works specifically, the buffer block 62 and the pressing block 63 are driven to ascend synchronously by the lifting cylinder 61, the gap between the inner cavity 2 and the pressing block 63 is gradually increased, the coal cinder falls onto the two pressed block groups 67 from the gap, the pressing block 63 is stressed to ascend until the shielding plate 68 is abutted to the maximum angle, at the moment, the two shielding plates 68 and the pressing block 63 play a role in separating the coal cinder layer in the inner cavity 2, so that the coal cinder falling onto the two pressed block groups 67 each time is uniform in quantity, after separation, when the coal cinder below the shielding plate 68 and the pressing block 63 all fall onto the two pressed block groups 67, the pressing block 63 descends to crush the coal cinder with high humidity into blocks, the pushing unit 66 further cuts the coal cinder blocks during the period, then, under the assistance of the pushing unit 66, the coal cinder blocks are conveyed to the lower part by the two pressed block groups 67, the pressing and cutting device 6 crushes the drenched coal cinder into blocks, the volume equivalent rate between the coal cinder is improved, and the condition that the larger volume stays in situ for a longer time to cause blockage during later grinding is avoided.

The pressurized block group 67 include pressurized block 671, go out air cavity 672 and sealed lid 673, the inner of pressurized block 671 has evenly seted up out air cavity 672, the upper end of going out air cavity 672 is connected with the outer end of sealed lid 673 through the round pin axle, the structure that the up end outside-in of pressurized block 671 slopes down gradually has avoided the cinder of the wet state of drenching of whereabouts to pile up in the outer end of pressurized block 671 entirely.

Grinder 7 include motor 71, abrasive disc 72, hot-air pump 73, heat conduction chamber 74 and heat conduction ring plate 75, motor 71 installs the lower extreme at inner chamber 2, install abrasive disc 72 on motor 71's the output shaft, install hot-air pump 73 in the work inslot, hot-air pump 73 switches on with heat conduction chamber 74, heat conduction chamber 74 is located inner chamber 2 lower extreme, heat conduction ring plate 75 has been pasted to the outside in heat conduction chamber 74, during specific work, thereby carry hot gas to heat conduction ring plate 75 in heat conduction chamber 74 through hot-air pump 73, drive abrasive disc 72 low-speed rotation through motor 71 again, thereby grind the fritter cinder piece that falls, simultaneously, heat conduction ring plate 75 under the intensification state carries out drying process to the cinder piece in grinding, the cinder piece is through constantly reducing of grinding clearance when the extrusion grinding to carry out grinding treatment to the cinder piece.

Two working grooves are formed in the left side and the right side of the lower end of the outer frame 1, the inlet opening 3 is of a structure which gradually inclines outwards from top to bottom, the inlet opening 3 is not of a straight-tube structure, and the dust flying amount when coal cinder is poured is reduced.

The lower part of the pressing block 63 is of an inverted V-shaped structure, open grooves are uniformly formed in the lower part of the pressing block 63, the open grooves play a role in pressing cavities when the coal cinder is crushed into blocks, and a pushing-out unit 66 is arranged in each open groove.

The edge of the pressing block 63 is provided with a return groove, the return groove is connected with the fence plate 65 through a built-in spring, wetted coal cinder falls to the pressed block 671, the pressing block 63 is pressed down and crushed, the fence plate 65 plays a role of limiting and enclosing the coal cinder, the initial state of the shielding plate 68 is in a state of gradually declining from outside to inside, at the moment, the coal cinder can fall from the upper end face of the shielding plate 68, the shielding plate 68 is prevented from blocking the coal cinder from falling, and when the pressing block 63 is stressed to rise and supports the shielding plate 68 to the maximum angle, the shielding plate 68 is in a horizontal state.

The pushing-out unit 66 comprises a pushing-down frame 661, a strong spring 662 and cutters 663, the pushing-down frame 661 is connected with the open slot in a sliding fit mode, the strong spring 662 is connected between the pushing-down frame 661 and the open slot, the cutters 663 are uniformly installed on the lower end face of the pushing-down frame 661, when the pushing block 63 is used for crushing cinder into blocks, the cutters 663 perform fine cutting on the briquetted cinder again, and when the pressed block 671 is pulled back and downwards by the angle cylinder 69, the pushing-down frame 661 pushes out small briquettes in the open slot under the action of the strong spring 662.

The corresponding unit 70 comprises an air outlet pump 701, a multi-way pipe 702 and a corresponding head 703, the air outlet pump 701 is installed in the outer frame 1, the air outlet pump 701 is connected with the multi-way pipe 702, and the inner end of the multi-way pipe 702 is uniformly communicated with the corresponding head 703.

The corresponding head 703 comprises a corresponding pipe 703a, a connecting pipe 703b and a buffer spring 703c, the corresponding pipe 703a is connected with the inner cavity 2 in a sliding fit manner, the upper end and the lower end of the corresponding pipe 703a are connected with the inner cavity 2 through the buffer spring 703c, the connecting pipe 703b is connected between the outer end of the corresponding pipe 703a and the multi-way pipe 702, when the device works specifically, air is blown into the inner cavity 2 from the corresponding head 703 through an air pump 701, the air drying rate inside the inner cavity 2 is increased, the compressed block 671 is driven by the angle cylinder 69 to be adjusted downwards until being attached to the inner wall of the inner cavity 2, at this time, the corresponding pipe 703a is clamped into the air outlet cavity 672, the sealing cover 673 is blown away by the air blown out from the corresponding pipe 703a, because the position of the air outlet cavity 672 at this time is arranged obliquely below, the blown out air is obliquely blown out below, and a certain thrust is exerted on the wet coal cinder when being dried, the difficulty of grinding the material is reduced.

The aperture of the grinding disc 72 is gradually increased from top to bottom, and the outer wall of the lower end of the grinding disc 72 is provided with a pushing thread, so that the grinding disc plays a role in pushing.

When in work:

s1, pouring the coal cinder into the inner cavity 2 from the inlet 3, spraying water flow from the spray header 5 through the water pump 4 to wet the coal cinder and remove dust, and conveying hot air into the heat conducting cavity 74 through the hot air pump 73 to conduct heat on the heat conducting annular plate 75;

s2, the buffer block 62 and the pressing block 63 are driven by the lifting cylinder 61 to synchronously ascend, the gap between the inner cavity 2 and the pressing block 63 is gradually increased, the cinder falls onto the two pressure blocks 671 from the gap, the pressing block 63 is stressed to ascend until the shielding plate 68 is abutted to the maximum angle, at the moment, the two shielding plates 68 and the pressing block 63 separate the cinder layer in the inner cavity 2, after separation, the cinder below the interlayer formed by the shielding plate 68 and the pressing block 63 all falls onto the two pressure blocks 671, the pressing block 63 descends to perform the treatment of crushing the drenched cinder firstly and then forming the cinder into blocks, and meanwhile, the cutter 663 performs further fine cutting on the briquetted cinder;

s3, pressing the blocks, driving the pressed block 671 to turn downwards through the angle cylinder 69, pushing out the small coal cinder in the open slot under the pushing of the lower pressing frame 661, gradually turning the pressed block 671 until the pressed block 671 is attached to the inner wall of the inner cavity 2, at the moment, clamping the corresponding pipe 703a into the air outlet cavity 672, blowing the small coal cinder blocks by the air blown out from the air outlet cavity 672, and pushing down the small coal cinder blocks by wind power;

and S4, driving the grinding disc 72 to rotate at a low speed by the motor 71, so as to grind and dry the falling small coal cinder blocks, and then carrying out hot air treatment on the recovered coal cinder blocks.

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

1. The utility model provides a processing system is recycled in electricity generation slag charge recovery, includes frame (1), inner chamber (2), inlet port (3), water pump (4), shower head (5), presses cutting device (6) and grinder (7), its characterized in that: the upper end of the outer frame (1) is symmetrically provided with inlet openings (3), an inner cavity (2) is formed in the outer frame (1), water pumps (4) are symmetrically arranged on the left outer wall and the right outer wall of the outer frame (1), the water pumps (4) are connected with a spray header (5), the spray header (5) is arranged at the upper end of the inner cavity (2), the middle part of the inner cavity (2) is provided with a pressing and slicing device (6), and the lower end of the inner cavity (2) is provided with a grinding device (7);

the pressing and cutting device (6) comprises a lifting cylinder (61), a buffer block (62), a pressing block (63), a telescopic pipe (64), a fence plate (65), a pushing unit (66), two pressed block groups (67), two baffle plates (68), two angle cylinders (69) and two corresponding units (70), wherein the lifting cylinder (61) is installed in the middle of the upper end of the inner cavity (2), the buffer block (62) is installed at the ejection end of the lifting cylinder (61), the telescopic pipe (64) is wrapped outside the lifting cylinder (61), the pressing block (63) is installed at the lower end of the buffer block (62), the fence plate (65) is arranged at the edge of the lower end of the pressing block (63), the pushing units (66) are uniformly arranged at the lower end of the pressing block (63), the pushing units (66) are located inside the fence plate (65), the two baffle plates (68) are arranged on the left side and the right side of the buffer block (62), the outer end of the baffle plate (68) is connected with the inner cavity (2) through a pin shaft, the middle part of the inner cavity (2) is connected with the two pressed block groups (67) through hinges, an angle cylinder (69) is connected between the lower end of each pressed block group (67) and the inner wall of the inner cavity (2) through a pin shaft, a corresponding unit (70) is arranged below the angle cylinder (69), and the corresponding unit (70) is arranged on the inner wall of the inner cavity (2);

the compression block group (67) comprises a compression block (671), an air outlet cavity (672) and a sealing cover (673), the inner end of the compression block (671) is uniformly provided with the air outlet cavity (672), the upper end of the air outlet cavity (672) is connected with the outer end of the sealing cover (673) through a pin shaft, and the upper end surface of the compression block (671) is of a structure which is gradually inclined downwards from outside to inside;

the corresponding unit (70) comprises an air outlet pump (701), a multi-way pipe (702) and corresponding heads (703), the air outlet pump (701) is installed in the outer frame (1), the air outlet pump (701) is connected with the multi-way pipe (702), and the corresponding heads (703) are uniformly communicated with the inner ends of the multi-way pipe (702);

the corresponding head (703) comprises a corresponding pipe (703a), a connecting pipe (703b) and a buffer spring (703c), the corresponding pipe (703a) is connected with the inner cavity (2) in a sliding fit mode, the upper end and the lower end of the corresponding pipe (703a) are connected with the inner cavity (2) through the buffer spring (703c), and the connecting pipe (703b) is connected between the outer end of the corresponding pipe (703a) and the multi-way pipe (702);

grinder (7) include motor (71), abrasive disc (72), heat pump (73), heat conduction chamber (74) and heat conduction crown plate (75), the lower extreme at inner chamber (2) is installed in motor (71), install abrasive disc (72) on the output shaft of motor (71), install heat pump (73) in the work groove, heat pump (73) and heat conduction chamber (74) switch-on, heat conduction chamber (74) are located inner chamber (2) lower extreme, heat conduction crown plate (75) have been pasted to the outside in heat conduction chamber (74).

2. The power generation slag recycling and treating system according to claim 1, characterized in that: two working grooves are formed in the left side and the right side of the lower end of the outer frame (1), and the inlet opening (3) is of a structure which gradually inclines outwards from top to bottom.

3. The power generation slag recycling and treating system according to claim 1, characterized in that: the lower part of the pressing block (63) is of an inverted V-shaped structure, open grooves are uniformly formed in the lower part of the pressing block (63), and a push-out unit (66) is arranged in each open groove.

4. The power generation slag recycling and treating system according to claim 1, characterized in that: the edge of the pressing block (63) is provided with a circular groove, the circular groove is connected with a fence plate (65) through a built-in spring, and the initial state of the shielding plate (68) is a state of gradually declining from outside to inside.

5. The power generation slag recycling and treating system according to claim 1, characterized in that: the pushing-out unit (66) comprises a pushing-down frame (661), a strong spring (662) and a cutter (663), the pushing-down frame (661) is connected with the open slot in a sliding fit mode, the strong spring (662) is connected between the pushing-down frame (661) and the open slot, and the cutter (663) is uniformly installed on the lower end face of the pushing-down frame (661).

6. The power generation slag recycling and treating system according to claim 1, characterized in that: the aperture of the grinding disc (72) is gradually increased from top to bottom, and the outer wall of the lower end of the grinding disc (72) is provided with a pushing thread.