CN109365297B - Slag garbage treatment process - Google Patents

Slag garbage treatment process Download PDF

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Publication number
CN109365297B
CN109365297B CN201811464037.4A CN201811464037A CN109365297B CN 109365297 B CN109365297 B CN 109365297B CN 201811464037 A CN201811464037 A CN 201811464037A CN 109365297 B CN109365297 B CN 109365297B
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China
Prior art keywords
slag
conveying belt
screening
pivot
iron powder
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CN201811464037.4A
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CN109365297A (en
Inventor
林浩
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Fujian Xinhuanneng Environmental Protection Technology Co ltd
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Fujian Xinhuanneng Environmental Protection Technology Co ltd
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Publication of CN109365297A publication Critical patent/CN109365297A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B15/00—Combinations of apparatus for separating solids from solids by dry methods applicable to bulk material, e.g. loose articles fit to be handled like bulk material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/06—Spray cleaning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated
    • B03C1/16—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts
    • B03C1/22—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts with non-movable magnets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combined Means For Separation Of Solids (AREA)

Abstract

The invention provides a slag garbage treatment process, which comprises the following steps: step S1, conveying slag to a slag feeding and screening mechanism through a forklift, carrying out primary screening on the slag through the slag feeding and screening mechanism, and conveying the screened slag to a shaftless drum screen through a first conveying belt; s2, carrying out secondary screening on slag by the shaftless drum screen, conveying small-volume slag after secondary screening to an iron powder filtering mechanism through a second conveying belt, and conveying large-volume slag after secondary screening to a slag crusher through a third conveying belt; s3, the slag crusher crushes the large-volume slag, and the crushed slag is conveyed onto a second conveying belt and an iron powder filtering mechanism through a fourth conveying belt and a fifth conveying belt; and S4, after the iron powder filtering mechanism filters the iron filings in the slag garbage, the iron filings are sent to a sixth conveying belt from a discharge hole of the iron powder filtering mechanism. The invention improves the working efficiency of slag screening.

Description

Slag garbage treatment process
Technical Field
The invention relates to the technical field of industrial boilers, in particular to a slag garbage treatment process.
Background
Slag is slag directly discharged from a hearth after incineration of household garbage, and ash discharged from a superheater and an economizer. The slag pretreatment stage is to separate most of impurities such as nonflammable substances and nonflammable substances such as massive metals, broken tiles, ceramic plates, glass and the like by a vibrating mesh screen, a rolling screen and manual sorting. The traditional screening is just to screen out big and little slags, then the manual pushing of big slags to the breaker through the shallow carries out crushing processing, and the next flow of process production is pushed into to the slag rethread shallow after the breakage, has certainly increased the cost of labor like this, and work efficiency is low moreover.
Disclosure of Invention
In order to overcome the problems, the invention aims to provide a slag garbage treatment process which can effectively screen slag and improve the working efficiency of slag screening.
The invention is realized by adopting the following scheme: a slag garbage treatment process, comprising the following steps:
step S1, conveying slag to a slag feeding and screening mechanism through a forklift, carrying out primary screening on the slag through the slag feeding and screening mechanism, and conveying the screened slag to a shaftless drum screen through a first conveying belt;
s2, carrying out secondary screening on the slag after primary screening by the shaftless roller screen, conveying the slag which falls into a first receiving hopper below the shaftless roller screen after secondary screening to an iron powder filtering mechanism through a second conveying belt, and conveying the slag which does not fall into the first receiving hopper below the shaftless roller screen after secondary screening to a slag crusher through a third conveying belt;
s3, the slag crusher crushes slag on the third conveying belt, and the crushed slag is conveyed onto the second conveying belt through the fourth conveying belt and the fifth conveying belt and is conveyed onto the iron powder filtering mechanism;
and S4, after the iron powder filtering mechanism filters the iron dust in the slag rubbish on the second conveying belt, the iron dust is sent to the sixth conveying belt from a discharge port of the iron powder filtering mechanism, and the slag after the iron dust filtering is sent to the next working procedure through the second conveying belt, so that the treatment of the slag rubbish is completed.
Further, the slag feed screening mechanism includes: the second support frame is provided with a discharge hopper, an arc screening net is arranged on an inlet of the discharge hopper, and two ends of the left bottom of the arc screening net are respectively provided with a telescopic cylinder; the two telescopic cylinders are arranged at the top edge of the discharge hopper, the two ends of the right side of the arc screening net are hinged to the side wall of the top of the discharge hopper, and the telescopic cylinders can drive the arc screening net to swing up and down; a vibrator is arranged on the surface of one end of the arc-shaped screening net, a large-volume slag outlet is formed in the right side of the discharge hopper, and the large-volume slag outlet is close to the other end of the arc-shaped screening net; the large-volume slag outlet is provided with a receiving container, the discharging hopper is provided with a dustproof cover with an open left side, the left side of the dustproof cover is connected with an air outlet pipe, the end part of the air outlet pipe is connected with an exhaust fan, a plurality of spray pipes are transversely arranged in the dustproof cover, the spray pipes are provided with spray heads, the spray pipes are all connected with a main pipe, the main pipe is connected with a first water inlet pipe, a mist generating cavity is arranged behind the first water inlet pipe, the left side surface of the mist generating cavity is connected with a high-pressure air pipe and a second water inlet pipe, the high-pressure air pipe is arranged above the second water inlet pipe, the lower part of the outlet of the discharging hopper is provided with a first conveying belt, the tail part of the first conveying belt is provided with a first supporting frame, two inclined supporting plates are arranged on the first supporting frame, the inclined surfaces of the inclined supporting plates form an angle with the horizontal plane, the shaftless drum screen is arranged on the two inclined support plates, the shaftless drum screen can rotate on the two inclined support plates under the drive of a motor, the tail end of the first conveying belt is provided with a feeding tray, the tail end of the feeding tray extends into the cylinder of the shaftless drum screen, a first receiving hopper is arranged below the first support frame and is positioned below the sieve holes of the shaftless drum screen, the outlet of the first receiving hopper is provided with the second conveying belt, the discharge hole of the shaftless drum screen is provided with the third conveying belt, the tail end of the third conveying belt is provided with a slag crusher, the slag crusher is supported by a support, a second receiving hopper is arranged below the support frame, a fourth conveying belt is arranged below the second receiving hopper, the tail end of the fourth conveying belt is provided with a fifth conveying belt, the fifth conveying belt is perpendicular to the fourth conveying belt, the fifth conveying belt is obliquely arranged, the tail end of the fifth conveying belt is positioned above the second conveying belt, and the fifth conveying belt conveys broken slag onto the second conveying belt; and the tail part of the second conveying belt is provided with the iron powder filtering mechanism.
Further, the step S1 is further specifically: the method comprises the steps that slag is fed onto a slag feeding and screening mechanism through a forklift, the slag enters an arc screening net of the slag feeding and screening mechanism, at the moment, air is fed into a high-pressure air pipe through a vacuum pump, water is fed into a second water inlet pipe, water and air are mixed in a mist generation cavity to form mist, the mist is sprayed by a spray header on a spray pipe after passing through a first water inlet pipe and a main pipe, and meanwhile, an exhaust fan is started to pump out mist and dust to an air outlet pipe, so that dust in the slag can be effectively prevented from being lifted; the slag feeding and screening mechanism carries out primary screening on slag.
Further, the iron powder filtering mechanism comprises: the third support frame, unsettled iron powder filtering subassembly that is provided with on the third support frame, iron powder filtering subassembly through pull the steel cable set up in the afterbody top of second conveyer belt, iron powder filtering subassembly includes: the square frame body, transversely be provided with two back shafts on the square frame body, two back shafts pass through the bearing and set up on the square frame body, square frame body below both sides all are provided with the bearing, be provided with first pivot and second pivot between the bearing, be provided with the track in the square frame body, the track winding is in two back shafts, first pivot and second pivot, square frame body top edge is provided with a driving motor, driving motor passes through the belt and is connected with first pivot, thereby driving motor drive first pivot rotates and drives the track and rotate, be provided with a magnet piece under the square frame body, the magnet piece is located the track, and the one end of magnet piece is close to first pivot, the other end of magnet piece with the second pivot leaves a distance for after the transmission to the second pivot does not have the absorption of magnet piece and automatic landing, a side wall slope of second transmission band is provided with the baffle box is located the below of second pivot, and the baffle box is close to the transmission band of sixth.
Further, hanging rings are arranged on the periphery of the upper surface of the square frame body, four hooks are arranged on the third supporting frame, one end of the traction steel rope is connected with the hanging rings, and the other end of the traction steel rope is connected with the hooks.
Further, the step S4 is further specifically: when slag after the second grade screening passes through the afterbody of second conveyer belt, because the afterbody top of second conveyer belt is provided with the iron powder filtering component, the track of iron powder filtering component produces magnetism because the effect of magnet piece, the track can adsorb the operation to the iron fillings on the second conveyer belt, driving motor drives first pivot and rotates, then when the track that adsorbs there is the iron fillings passes through the second pivot, the iron fillings does not have the absorption of magnet piece and automatically slide to the baffle box behind the second pivot, the iron fillings that separate out in the slag and fall to the baffle box are conveyed through the sixth conveyer belt like this, the slag after the filtration is carried to next process through the second conveyer belt, thereby accomplish the processing of slag. Further, a vibration motor is arranged on the back surface of the feeding tray.
Further, the angle is 15-45 degrees.
Further, a vertical baffle is vertically arranged in the middle of the inclined supporting plate at the rear of the first supporting frame, and the vertical baffle is positioned at the rear of the shaftless drum screen.
Further, the afterbody of the slope backup pad at first support frame rear is provided with the bounding wall that a cross-section is L shape, the bounding wall is located the front end of third conveyer belt, the bounding wall prevents that the slag that shaftless drum was sieved from dropping on the third conveyer belt.
The invention has the beneficial effects that: the method is provided with the slag feeding screening mechanism, the third conveying belt and the iron powder filtering mechanism, the slag feeding screening mechanism is used for screening out large-volume slag (namely, carrying out first-stage screening), the dust cover of the slag feeding screening mechanism is added with the mist generation cavity and the spray header, so that dust in the slag can be effectively prevented from lifting, the dust is prevented from entering the air, the dust is inhaled into a human body, the health of the human body is damaged, the screened slag is conveyed to the first conveying belt to carry out second-stage screening through the shaftless roller screen, the third conveying belt is used for directly conveying the large-sized slag screened by the shaftless roller screen to the slag crusher to carry out crushing treatment, the crushed slag is conveyed to the second conveying belt through the fourth conveying belt and the fifth conveying belt to form an automatic circulation process, the slag is not required to be manually pushed to carry out pushing operation, the slag on the second conveying belt is conveyed to the iron powder filtering mechanism, the iron dust in the iron powder is filtered out filtering mechanism, and finally slag is required to filter the slag after the iron dust in the slag is filtered, so that the slag can be effectively screened, and the working efficiency of the slag is improved.
Drawings
FIG. 1 is a schematic illustration of the process flow of the present invention.
Fig. 2 is a schematic diagram of the front structure of the present invention.
Fig. 3 is a schematic side view of the present invention.
Fig. 4 is a partial structural schematic diagram of the present invention.
FIG. 5 is a schematic view of a slag feed screening mechanism of the present invention.
FIG. 6 is a schematic view of a slag feed screening mechanism of the present invention with the dust cover removed.
FIG. 7 is a cross-sectional view of a dust cap of the slag feed and screening mechanism of the present invention.
Fig. 8 is a schematic structural view of the iron powder filtering assembly of the present invention.
Fig. 9 is a schematic structural view of the iron powder filtering mechanism of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1 to 9, the present invention provides a slag garbage treatment process, comprising the following steps:
step S1, conveying slag to a slag feeding and screening mechanism 5 through a forklift, carrying out primary screening on the slag through the slag feeding and screening mechanism 5, and conveying the screened slag to a shaftless rotary screen 1 through a first conveying belt 4;
step S2, carrying out secondary screening on the slag after primary screening by the shaftless drum screen 1, conveying the slag (namely small-volume slag) which falls into a first receiving hopper below the shaftless drum screen after secondary screening to an iron powder filtering mechanism 9 through a second conveying belt 6, and conveying the slag (namely large-volume slag) which does not fall into the first receiving hopper below the shaftless drum screen after secondary screening to a slag crusher 2 through a third conveying belt 7;
step S3, the slag crusher 2 crushes slag (namely, large-volume slag) on the third conveying belt, and then the crushed slag is conveyed to the second conveying belt 6 through the fourth conveying belt 11 and the fifth conveying belt 10 and is conveyed to the iron powder filtering mechanism 9;
and S4, after the iron powder filtering mechanism 9 filters the iron dust in the slag rubbish on the second conveying belt, the iron dust is sent to the sixth conveying belt 13 from a discharge port of the iron powder filtering mechanism 9, and the slag after the iron dust filtering is sent to the next working procedure through the second conveying belt, so that the treatment of the slag rubbish is completed.
Wherein the slag feed screening mechanism 5 comprises: a second supporting frame 51, a discharge hopper 52 is arranged on the second supporting frame 51, an arc screening net 53 is arranged on the inlet of the discharge hopper 52, and a telescopic cylinder 54 is arranged at two ends of the left bottom of the arc screening net 53; the two telescopic cylinders 54 are arranged at the top edge of the discharge hopper 52, the two ends of the right side of the arc screening net 53 are hinged to the side wall of the top of the discharge hopper 52, and the telescopic cylinders 54 can drive the arc screening net 53 to swing up and down; a vibrator 55 is arranged on one end surface of the arc-shaped screening net 53, a large-volume slag outlet 56 is formed in the right side of the discharge hopper 52, and the large-volume slag outlet 56 is close to the other end of the arc-shaped screening net 53; the large-volume slag outlet 56 is provided with a receiving container 57, so that after the slag passes through the forklift to convey the arc screening net 53, a vibrator is started, small-volume slag enters the first conveying belt from the discharge hopper 52, and the beaten-volume slag enters the receiving container 57 (the receiving container can be a cloth bag, a receiving tray or the like) from the large-volume slag outlet; in practical application, the right side of the discharging hopper can be provided with a dustproof cover plate, and the dustproof cover plate is close to one side of the large-volume slag outlet, so that the forklift can play a dustproof role when shoveling slag into the discharging hopper; the discharging hopper 52 is provided with a dust cover 58 with an open left side, the left side of the dust cover 58 is connected with an air outlet pipe 59, the end part of the air outlet pipe 59 is connected with an exhaust fan (not shown), a plurality of spray pipes 581 are transversely arranged in the dust cover 58, the spray pipes 581 are provided with spray heads 582, the plurality of spray pipes 581 are connected with a main pipe 583, the main pipe 583 is connected with a first water inlet pipe 584, a mist generation cavity 585 is arranged behind the first water inlet pipe 584, the left side surface of the mist generation cavity 585 is connected with a high-pressure air pipe 586 and a second water inlet pipe 587, and the high-pressure air pipe 586 set up in the top of second inlet tube 587, added fog in the dust cover like this and generated chamber and shower head, when pouring the slag into the arc screening net, send air to the high-pressure air pipe through the vacuum pump in, send water to the second inlet tube again, water and gaseous mix in fog generation chamber 585 and form fog, the fog sprays the operation through the shower head on the shower pipe for can effectually prevent in the slag dust to raise, avoid the dust to get into in the air, inhale the human body, cause the harm to human health. Thus, the first stage slag screening is carried out by a slag feeding screening mechanism; the export below of hopper 52 sets up first conveyer belt, the afterbody of first conveyer belt is provided with a first support frame, be provided with two slope backup pads 31 on the first support frame 3, the inclined plane of slope backup pad 31 becomes angle A with the horizontal plane, in this embodiment, angle A is 15~45 degrees. The shaftless rotary screen 1 is arranged on the two inclined support plates 31, the shaftless rotary screen 1 can rotate on the two inclined support plates 31 under the drive of the motor, and as the shaftless rotary screen 1 is arranged on the inclined support plates, the shaftless rotary screen is obliquely arranged, small slag automatically falls into the first receiving hopper from the sieve holes of the shaftless rotary screen when the shaftless rotary screen screens slag in the second stage, then is conveyed to the next process operation through the second conveying belt, and large slag can slide into the third conveying belt from the barrel of the shaftless rotary screen, so that the screening operation is performed. The tail end of the first conveying belt 4 is provided with a feeding tray 41, the tail end of the feeding tray 41 extends into the barrel of the shaftless rotary screen 1, and slag on the first conveying belt 4 can be conveyed into the inner barrel of the shaftless rotary screen 1 through the feeding tray 41 for screening. The shaftless trommel 1 and the slag crusher 2 are of the prior art, the specific construction and operation of which will not be described in detail here.
The slag crusher is characterized in that a first receiving hopper 12 is arranged below the first supporting frame 3, the first receiving hopper 12 is located below the sieve holes of the shaftless drum screen 1, a second conveying belt 6 is arranged at the outlet of the first receiving hopper 12, a third conveying belt 7 is arranged at the discharge hole of the shaftless drum screen 1, second-stage slag screening is carried out through the shaftless drum screen 1, the tail end of the third conveying belt 7 is provided with the slag crusher 2, the slag crusher 2 is supported by a support 21, a second receiving hopper 8 is arranged below the support 21, a fourth conveying belt 11 is arranged below the second receiving hopper 8, a fifth conveying belt 10 is arranged at the tail end of the fourth conveying belt 11, the fifth conveying belt 10 is perpendicular to the fourth conveying belt 11, the fifth conveying belt 10 is obliquely arranged, the tail end of the fifth conveying belt 10 is located above the second conveying belt 6, and the crushed slag is conveyed onto the second conveying belt 6 by the fifth conveying belt 10. The large slag is directly conveyed back to the second conveying belt after being crushed by the slag crusher, and the screened slag is conveyed to the iron powder filtering mechanism for treatment by the second conveying belt; the tail part of the second conveying belt is provided with an iron powder filtering mechanism 9, and the iron powder filtering mechanism 9 filters scrap iron in the slag garbage and then sends the scrap iron to the sixth conveying belt 13 from a discharge hole of the iron powder filtering mechanism 9. In practical application, a cover plate 60 can be hinged on the dust cover, when the slag 2 is required to be fed into the arc screening net, the cover plate is opened, when the arc screening net screens the slag, the cover plate is closed, and in addition, the opening and closing of the cover plate can be realized through the control of a motor. The step S1 is further specifically: the method comprises the steps that slag is fed onto a slag feeding and screening mechanism through a forklift, the slag enters an arc screening net of the slag feeding and screening mechanism, at the moment, air is fed into a high-pressure air pipe through a vacuum pump, water is fed into a second water inlet pipe, water and air are mixed in a mist generation cavity to form mist, the mist is sprayed by a spray header on a spray pipe after passing through a first water inlet pipe and a main pipe, and meanwhile, an exhaust fan is started to pump out mist and dust to an air outlet pipe, so that dust in the slag can be effectively prevented from being lifted; the slag feeding and screening mechanism carries out primary screening on slag.
The iron powder filtering mechanism 9 includes: a third support frame 91, unsettled being provided with iron powder filtering component 92 on the third support frame 91, iron powder filtering component 92 set up in the afterbody top of second conveyer belt 6 through traction steel cable 93, iron powder filtering component 92 includes: the square frame 94, transversely be provided with two back shafts 95 on the square frame 94, two back shafts 95 pass through bearing 96 and set up on the square frame 94, square frame 94 below both sides all are provided with bearing 96, be provided with first pivot 97 and second pivot 98 between the bearing 96, be provided with track 100 in the square frame 94, this track is the iron track, the track 100 winding is on two back shafts 95, first pivot 97 and second pivot 98, square frame 94 top edge is provided with a driving motor 101, driving motor 101 passes through the belt and is connected with first pivot 97, driving motor 101 drives first pivot 97 and rotates thereby drives track 100 and rotate, square frame 94 below is provided with a magnet piece 102, magnet piece 102 is located track 100, and one end of magnet piece 102 is close to first pivot 97, the other end of magnet piece 102 with second pivot 98 has a distance d for the iron piece is transmitted to second pivot 98 after automatic magnet piece 102 is gone up and is adsorbed on, second pivot 103 is close to the baffle box 103, the baffle box is located to the baffle box is 13 to the slope. The four hooks 911 are disposed on the third supporting frame 91, one end of the traction steel rope 93 is connected with the hanging ring 941, and the other end of the traction steel rope 93 is connected with the hooks 911. When slag after the second level screening passes through the afterbody of second conveyer belt like this, owing to the afterbody top of second conveyer belt is provided with the iron powder filtering component, the track of iron powder filtering component produces magnetism owing to the effect of magnet piece, the track can adsorb the operation to the iron fillings on the second conveyer belt, driving motor drives first pivot and rotates, then when the track that adsorbs there is the iron fillings passes through the second pivot, the iron fillings does not have the absorption of magnet piece 102 and automatically slide to the baffle box on second pivot 98 after, isolate the iron fillings in the slag like this, the slag after the filtration is carried next process through the second conveyer belt, thereby accomplish the processing of slag. The distance between the iron powder filtering component and the second transmission belt can be adjusted, namely, the distance is adjusted through the traction steel rope and the hook.
The step S4 is further specifically: when slag after the second grade screening passes through the afterbody of second conveyer belt, because the afterbody top of second conveyer belt is provided with the iron powder filtering component, the track of iron powder filtering component produces magnetism because the effect of magnet piece, the track can adsorb the operation to the iron fillings on the second conveyer belt, driving motor drives first pivot and rotates, then when the track that adsorbs there is the iron fillings passes through the second pivot, the iron fillings does not have the absorption of magnet piece and automatically slide to the baffle box behind the second pivot, the iron fillings that separate out in the slag and fall to the baffle box are conveyed through the sixth conveyer belt like this, the slag after the filtration is carried to next process through the second conveyer belt, thereby accomplish the processing of slag.
In the present invention, a vibration motor 42 is provided at the rear surface of the feeding tray 41. So that slag is better able to enter the shaftless trommel under the vibration of the vibration motor 42.
In addition, a vertical baffle 32 is vertically arranged in the middle of the inclined support plate 31 behind the first support frame 3, and the vertical baffle 32 is positioned behind the shaftless trommel 1. Therefore, the slag cannot fall outside the device after falling out of the sieve holes of the shaftless rotary screen, and the slag is prevented from polluting the working environment.
The tail of the inclined supporting plate 31 behind the first supporting frame 3 is provided with a coaming 33 with an L-shaped section, the coaming 33 is positioned at the front end of the third conveying belt 7, and the coaming 33 prevents slag screened by the shaftless drum screen 1 from falling from the third conveying belt 7. The front end of the fourth conveyor belt 11 and the front end of the fifth conveyor belt 10 are provided with a protective barrier (not shown). The protective barriers are all intended to prevent slag from falling outside the conveyor belt when it falls onto the fourth conveyor belt 11 or the fifth conveyor belt 10. In practical application, protection plates can be arranged on the left side edge and the right side edge of the first conveying belt, the second conveying belt, the third conveying belt, the fourth conveying belt and the fifth conveying belt according to requirements, and the protection plates are mainly used for preventing slag from falling in the conveying process.
In a word, the invention is provided with the slag feeding screening mechanism, the third conveying belt and the iron powder filtering mechanism, the slag feeding screening mechanism is used for screening the large-volume slag (namely, the first-stage screening is carried out), and the dust cover of the slag feeding screening mechanism is added with the mist generation cavity and the spray header, so that dust in the slag can be effectively prevented from lifting, the dust is prevented from entering the air, the dust is inhaled into a human body, the health of the human body is damaged, the screened slag is conveyed to the first conveying belt to be subjected to the second-stage screening through the shaftless roller screen, the third conveying belt is used for directly conveying the large-sized slag screened by the shaftless roller screen to the slag crusher to be subjected to the crushing treatment, the crushed slag is conveyed to the second conveying belt through the fourth conveying belt and the fifth conveying belt to form an automatic circulation process, the slag is not required to be manually pushed to be conveyed to the iron powder filtering mechanism, and the iron dust in the iron powder is filtered by the filtering mechanism, and finally the slag is required to be filtered after the iron dust in the iron dust is filtered by the slag filtering mechanism, so that the slag in the iron dust is effectively filtered, and the working efficiency of the slag is improved.
The foregoing description is only of the preferred embodiments of the invention, and all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (9)

1. A slag garbage treatment process is characterized in that: the method comprises the following steps:
step S1, conveying slag to a slag feeding and screening mechanism through a forklift, carrying out primary screening on the slag through the slag feeding and screening mechanism, and conveying the screened slag to a shaftless drum screen through a first conveying belt;
s2, carrying out secondary screening on the slag after primary screening by the shaftless roller screen, conveying the slag which falls into a first receiving hopper below the shaftless roller screen after secondary screening to an iron powder filtering mechanism through a second conveying belt, and conveying the slag which does not fall into the first receiving hopper below the shaftless roller screen after secondary screening to a slag crusher through a third conveying belt;
s3, the slag crusher crushes slag on the third conveying belt, and the crushed slag is conveyed onto the second conveying belt through the fourth conveying belt and the fifth conveying belt and is conveyed onto the iron powder filtering mechanism;
s4, the iron powder filtering mechanism filters scrap iron in slag waste on the second conveying belt, then the scrap iron is sent to a sixth conveying belt from a discharge port of the iron powder filtering mechanism, and slag filtered by the scrap iron is sent to a next process through the second conveying belt, so that slag waste treatment is completed;
the slag feed screening mechanism includes: the second support frame is provided with a discharge hopper, an arc screening net is arranged on an inlet of the discharge hopper, and two ends of the left bottom of the arc screening net are respectively provided with a telescopic cylinder; the two telescopic cylinders are arranged at the top edge of the discharge hopper, the two ends of the right side of the arc screening net are hinged to the side wall of the top of the discharge hopper, and the telescopic cylinders can drive the arc screening net to swing up and down; a vibrator is arranged on the surface of one end of the arc-shaped screening net, a large-volume slag outlet is formed in the right side of the discharge hopper, and the large-volume slag outlet is close to the other end of the arc-shaped screening net; the large-volume slag outlet is provided with a receiving container, the discharging hopper is provided with a dustproof cover with an open left side, the left side of the dustproof cover is connected with an air outlet pipe, the end part of the air outlet pipe is connected with an exhaust fan, a plurality of spray pipes are transversely arranged in the dustproof cover, the spray pipes are provided with spray heads, the spray pipes are all connected with a main pipe, the main pipe is connected with a first water inlet pipe, a mist generating cavity is arranged behind the first water inlet pipe, the left side surface of the mist generating cavity is connected with a high-pressure air pipe and a second water inlet pipe, the high-pressure air pipe is arranged above the second water inlet pipe, the lower part of the outlet of the discharging hopper is provided with a first conveying belt, the tail part of the first conveying belt is provided with a first supporting frame, two inclined supporting plates are arranged on the first supporting frame, the inclined surfaces of the inclined supporting plates form an angle with the horizontal plane, the shaftless drum screen is arranged on the two inclined support plates, the shaftless drum screen can rotate on the two inclined support plates under the drive of a motor, the tail end of the first conveying belt is provided with a feeding tray, the tail end of the feeding tray extends into the cylinder of the shaftless drum screen, a first receiving hopper is arranged below the first support frame and is positioned below the sieve holes of the shaftless drum screen, the outlet of the first receiving hopper is provided with the second conveying belt, the discharge hole of the shaftless drum screen is provided with the third conveying belt, the tail end of the third conveying belt is provided with a slag crusher, the slag crusher is supported by a support, a second receiving hopper is arranged below the support frame, a fourth conveying belt is arranged below the second receiving hopper, the tail end of the fourth conveying belt is provided with a fifth conveying belt, the fifth conveying belt is perpendicular to the fourth conveying belt, the fifth conveying belt is obliquely arranged, the tail end of the fifth conveying belt is positioned above the second conveying belt, and the fifth conveying belt conveys broken slag onto the second conveying belt; and the tail part of the second conveying belt is provided with the iron powder filtering mechanism.
2. The slag garbage disposal process according to claim 1, characterized in that: the step S1 is further specifically: the method comprises the steps that slag is fed onto a slag feeding and screening mechanism through a forklift, the slag enters an arc screening net of the slag feeding and screening mechanism, at the moment, air is fed into a high-pressure air pipe through a vacuum pump, water is fed into a second water inlet pipe, water and air are mixed in a mist generation cavity to form mist, the mist is sprayed by a spray header on a spray pipe after passing through a first water inlet pipe and a main pipe, and meanwhile, an exhaust fan is started to pump out mist and dust to an air outlet pipe, so that dust in the slag can be effectively prevented from being lifted; the slag feeding and screening mechanism carries out primary screening on slag.
3. The slag garbage disposal process according to claim 1, characterized in that: the iron powder filtering mechanism comprises: the third support frame, unsettled iron powder filtering subassembly that is provided with on the third support frame, iron powder filtering subassembly through pull the steel cable set up in the afterbody top of second conveyer belt, iron powder filtering subassembly includes: the square frame body, transversely be provided with two back shafts on the square frame body, two back shafts pass through the bearing and set up on the square frame body, square frame body below both sides all are provided with the bearing, be provided with first pivot and second pivot between the bearing, be provided with the track in the square frame body, the track winding is in two back shafts, first pivot and second pivot, square frame body top edge is provided with a driving motor, driving motor passes through the belt and is connected with first pivot, thereby driving motor drive first pivot rotates and drives the track and rotate, be provided with a magnet piece under the square frame body, the magnet piece is located the track, and the one end of magnet piece is close to first pivot, the other end of magnet piece with the second pivot leaves a distance for after the transmission to the second pivot does not have the absorption of magnet piece and automatic landing, a side wall slope of second transmission band is provided with the baffle box is located the below of second pivot, and the baffle box is close to the transmission band of sixth.
4. A slag waste processing process according to claim 3, wherein: the square frame body is characterized in that hanging rings are arranged on the periphery of the upper surface of the square frame body, four hooks are arranged on the third supporting frame, one end of the traction steel rope is connected with the hanging rings, and the other end of the traction steel rope is connected with the hooks.
5. A slag waste processing process according to claim 3, wherein: the step S4 is further specifically: when slag after the second grade screening passes through the afterbody of second conveyer belt, because the afterbody top of second conveyer belt is provided with the iron powder filtering component, the track of iron powder filtering component produces magnetism because the effect of magnet piece, the track can adsorb the operation to the iron fillings on the second conveyer belt, driving motor drives first pivot and rotates, then when the track that adsorbs there is the iron fillings passes through the second pivot, the iron fillings does not have the absorption of magnet piece and automatically slide to the baffle box behind the second pivot, the iron fillings that separate out in the slag and fall to the baffle box are conveyed through the sixth conveyer belt like this, the slag after the filtration is carried to next process through the second conveyer belt, thereby accomplish the processing of slag.
6. The slag garbage disposal process according to claim 1, characterized in that: the back of the feeding tray is provided with a vibration motor.
7. The slag garbage disposal process according to claim 1, characterized in that: the angle is 15-45 degrees.
8. The slag garbage disposal process according to claim 1, characterized in that: the middle part of the inclined supporting plate at the rear of the first supporting frame is vertically provided with a vertical baffle plate, and the vertical baffle plate is positioned at the rear of the shaftless drum screen.
9. The slag garbage disposal process according to claim 1, characterized in that: the afterbody of the slope backup pad at first support frame rear is provided with the bounding wall that a cross-section is L shape, the bounding wall is located the front end of third conveyer belt, the bounding wall prevents that the slag that shaftless drum was sieved from dropping on the third conveyer belt.
CN201811464037.4A 2018-12-03 2018-12-03 Slag garbage treatment process Active CN109365297B (en)

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CN110779338B (en) * 2019-11-07 2021-04-06 山东华顺环保科技股份有限公司 Method for treating slag of iron and steel smelting furnace
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