CN109331977B - Household garbage incineration power generation slag treatment system - Google Patents
Household garbage incineration power generation slag treatment system Download PDFInfo
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- CN109331977B CN109331977B CN201811574208.9A CN201811574208A CN109331977B CN 109331977 B CN109331977 B CN 109331977B CN 201811574208 A CN201811574208 A CN 201811574208A CN 109331977 B CN109331977 B CN 109331977B
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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
- B02C21/00—Disintegrating plant with or without drying of the material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
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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
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/12—Heat utilisation in combustion or incineration of waste
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- Food Science & Technology (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to the technical field of garbage slag treatment, in particular to a household garbage incineration power generation slag treatment system which is characterized by comprising a power plant, a slag warehouse, a transportation motor, a transportation belt, a feeding hopper, a drum screen, a crusher, an iron remover, an iron beater, a shaking table, a sand beater, a jigger, a classifying screen, an aluminum selecting machine, a sand-water separator, a fine sand recycling machine, a fine sand sedimentation tank, a magnetic metal warehouse, a nonferrous metal warehouse, a sand warehouse, a circulating water tank and a filter press.
Description
Technical Field
The invention relates to the technical field of garbage slag treatment, in particular to a household garbage incineration power generation slag treatment system which has the advantages of simple structure, energy conservation, emission reduction, cost reduction and small space utilization.
Background
It is known that, by using the household garbage incineration power generation technology, after household garbage is incinerated at high temperature, slag is produced, the volume of the slag is about 20% -30% of that of the original household garbage, the household garbage incineration slag has complex components and contains a large proportion of coal ash, and more waste iron materials, nonferrous metals and heavy metals are mixed, the household garbage incineration technology is just started, the slag from the garbage incineration is not suitable for treatment means, and the conventional slag treatment method is to transport the slag to a landfill area for landfill, or directly crush and filter the slag slightly to prepare cement baking-free bricks and other cement baking-free prefabricated members, such as ceramic tiles, so that the waste is utilized, however, the landfill treatment can damage limited land resources; if the baking-free bricks and other baking-free prefabricated cement products are directly manufactured, the brick pieces contain left nonferrous metals and heavy metals, which are unfavorable to the environment and the health of human bodies, so that a slag treatment process and a corresponding device are needed, the obtained products are environment-friendly and can be maximally profitable after being treated by the process, and in the existing treatment process, in order to increase the removal effect of magnetic metals, the magnetic separation is generally carried out for three times, but due to the limitation of the thickness of slag on a conveyor belt, part of the magnetic metals are hidden in the slag and cannot be removed.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provide the household garbage incineration power generation slag treatment system which has the advantages of simple structure, energy conservation, emission reduction, cost reduction and small space utilization.
The technical scheme adopted for solving the technical problems is as follows:
a household garbage incineration power generation slag treatment system is characterized by comprising a power plant, a slag warehouse, a conveying motor, a conveying belt, a feeding hopper, a drum screen, a crusher, an iron remover, an iron making machine, a shaking table, a sand making machine, a jigger, a classifying screen, an aluminum selecting machine, a sand-water separator, a fine sand recycling machine, a fine sand sedimentation tank, a magnetic metal warehouse, a nonferrous metal warehouse, a sand warehouse, a circulating water tank and a filter press, wherein the crusher is divided into a first crusher and a second crusher, the jigger is divided into the first jigger and the second jigger, the power plant conveys slag after burning the power plant into the slag warehouse through the conveying vehicle, the slag warehouse is connected with the feeding hopper through the loading vehicle, the slag in the slag warehouse is conveyed into the feeding hopper through the loading vehicle, a discharge port of the feeding hopper is connected with the drum screen through the conveying motor and the conveying belt, a oversize outlet of the drum screen is connected with the first crusher through the conveying belt, the under-screen material outlet of the drum screen is connected with a sand mill through a conveyer belt, an iron remover is arranged on the conveyer belt between the drum screen and a first crusher, the crushing outlet of the first crusher is connected with the sand mill through the conveyer belt, iron removers are respectively arranged on the conveyer belt between the first crusher and the sand mill and the conveyer belt between the drum screen and the sand mill, the iron removal outlets of the iron removers are respectively connected with the iron mill through the conveyer belt, the iron mill is respectively connected with a shaking table through the conveyer belt, the shaking table is connected with a magnetic metal warehouse, the waste residue outlet of the iron mill is connected with a second crusher, the second crusher is connected with a second jigger, the nonferrous metal outlet of the second jigger is connected with a sedimentation tank, a sand-water separator and a fine sand recycling machine are arranged in the sedimentation tank, the sand-water separator separates fine sand, water and slurry, the fine sand is conveyed to a sand warehouse through the fine sand recycling machine, the water enters a circulating water tank, the slurry separates the slurry and the water through a filter press, the slurry enters a landfill site for landfill, the water enters the circulating water tank, the sand-beating machine is connected with a first jigger, a nonferrous metal outlet of the first jigger is connected with the nonferrous metal warehouse, a slag outlet of the first jigger is respectively connected with an aluminum selecting machine and a sedimentation tank through a classifying screen, a large particle outlet of the classifying screen is connected with the aluminum selecting machine, a small particle outlet of the classifying screen is connected with the sedimentation tank, the sand-water separator and the fine sand recycling machine are arranged in the sedimentation tank, the sand-water separator separates the fine sand, the water and the slurry, the fine sand is conveyed to the sand warehouse through the fine sand recycling machine, the water enters the circulating water tank, the slurry and the slurry enters the landfill site for landfill through the filter press.
The invention discloses a material sorting device for a rotary screen, which is characterized in that an unburnt waste sorting device is arranged on a conveyor belt between a material outlet of the screen and a first crusher, the unburnt waste sorting device consists of a material receiving conveyor belt, a material receiving hopper, a conveying motor, a material stirring window, material stirring gloves and a protective cover, the material receiving conveyor belt is arranged below the conveyor belt for conveying bulk materials, the material receiving conveyor belt is driven by the motor, the protective cover is arranged as a sealed box body, the sealed box body is sealed and wrapped on the outer sides of the material receiving conveyor belt and the conveyor belt for conveying the bulk materials, an inlet and an outlet of the bulk material conveyor belt are respectively arranged on the left side and the right side of the sealed box body, an outlet of the material receiving conveyor belt is arranged below the outlet of the bulk material conveyor belt, the material receiving conveyor belt extends out of the material receiving conveyor belt outlet of the sealed box and is arranged above the material receiving hopper through a support, the material stirring window is respectively arranged on the front side and the rear side of the box body, an arm outlet is arranged on the material stirring window, the arm outlet is connected with the material stirring gloves and the material stirring gloves pass through the inlet of the material stirring window to pass through the material receiving conveyor belt to the material receiving hopper for material receiving and the material receiving and is not burned again to be picked up by the material conveying glove.
The iron remover comprises a base, a supporting disc, an adsorption seat, an adsorption disc, an iron collecting box, a rotating motor, a lifting cylinder and a material stirring frame, wherein the rotating motor is arranged on the base, an output shaft of the rotating motor is connected with the supporting disc, the supporting disc is connected with the base through a bearing, the rotating motor drives the supporting disc to rotate, the lifting cylinder is arranged above the supporting disc, the output shaft of the lifting cylinder is connected with the adsorption seat, the adsorption seat is rectangular, the middle part of the adsorption seat is connected with the output shaft of the lifting cylinder, two groups of adsorption discs are symmetrically arranged on the left side and the right side of the lower side of the adsorption seat respectively, a region between the lower part of one group of adsorption discs and the base is arranged as a discharging part, the base of the discharging part is provided with the iron collecting box with an opening at the upper end, the region between the lower part of the other group of adsorption discs and the base is arranged as an adsorption part, the adsorption part penetrates through a conveying belt of a conveying material, each group of adsorption discs is at least provided with two adsorption discs along the conveying direction of the conveying belt, the adsorption discs are arranged as permanent magnet chucks, the permanent magnet chucks are respectively arranged in parallel, the permanent magnet chucks are connected with the two adsorption discs in parallel, the adsorption discs are connected with the other end of the material stirring frame through the material stirring frame, and the material stirring frame is contacted with one end of the material stirring frame after the material stirring frame is arranged.
The material stirring frame comprises a stirring fixed rod, a stirring rod and a stirring head, wherein the upper end of the stirring fixed rod is connected with an adsorption seat, the lower end of the stirring fixed rod is provided with the stirring rod, the upper end of the stirring rod is connected with the stirring fixed rod, the lower end of the stirring rod is connected with the stirring head, the stirring head is provided with a triangular pyramid type stirring head, the tip direction of the triangular pyramid type stirring head is opposite to the conveying direction of a conveying belt, and the stirring of materials on the conveying belt is realized through the triangular pyramid type stirring head, so that the adsorption effect is further improved.
According to the invention, each group of adsorption discs is provided with at least three adsorption discs which are parallel along the conveying direction of the conveying belt, the adsorption seats between two adjacent adsorption discs are provided with the material shifting frames, and the material shifting heads in the adjacent material shifting frames are staggered mutually, so that the materials on the conveying belt are fully shifted, and the metal is fully absorbed.
The sealing sleeves are arranged on the surrounding adsorption seats of each group of adsorption discs, the inner diameter of each sealing sleeve is matched with the outer diameter of the opening of the iron collecting box, and the sealing sleeves are in sealing connection with the iron collecting box, so that dust is prevented from overflowing in the unloading process, and the environment is prevented from being influenced.
The gravity detector is connected with the gravity sensor, the gravity sensor is connected with the controller, the controller is connected with the rotating motor, when the gravity reaches a certain value, the gravity detector detects the gravity of the metal adsorbed on the adsorption seat, gravity data are transmitted to the controller through the gravity sensor, the controller transmits the gravity data to the rotating motor through the gravity data, and the rotating motor drives the adsorption seat to rotate, so that the adsorption material is unloaded into the iron collecting box, and further automatic unloading and automatic adsorption are realized.
Due to the adoption of the structure, the invention has the advantages of simple structure, energy conservation, emission reduction, cost reduction, small space utilization and the like.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic view of the construction of the unburned waste collection device according to the present invention.
Fig. 3 is a schematic structural view of the iron remover of the present invention.
Fig. 4 is a bottom view of the suction seat of fig. 3.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in the drawing, the household garbage incineration power generation slag treatment system is characterized by comprising a power plant 1, a slag warehouse 2, a transportation motor, a transportation belt 3, a feeding hopper 4, a rotary screen 5, a crusher, an iron remover 7, a iron beater 8, a shaking table 9, a sand beater 11, a jigger, a classifying screen 14, an aluminum selecting machine 15, a sand-water separator 16, a fine sand recycling machine 17, a fine sand sedimentation tank 18, a magnetic metal warehouse, a nonferrous metal warehouse, a sand warehouse, a circulating water pond and a filter press 19, wherein the crusher is divided into a first crusher 6 and a second crusher 10, the jigger is divided into a first jigger 12 and a second jigger 13, the power plant 1 conveys slag burnt by the power plant 1 into the slag warehouse 2 through the transportation vehicle, the slag warehouse 2 is connected with the feeding hopper 4 through the loader, the slag in the slag warehouse 2 is conveyed into the feeding hopper 4 through the loader, the discharge port of the feeding hopper 4 is connected with the drum screen 5 through a conveying motor and a conveying belt 3, the oversize material outlet of the drum screen 5 is connected with a first crusher 6 through a conveying belt, the undersize material outlet of the drum screen 5 is connected with a sand crusher 11 through a conveying belt, a de-ironing separator 7 is arranged on the conveying belt between the drum screen 5 and the first crusher 6, the crushing outlet of the first crusher 6 is connected with the sand crusher 11 through a conveying belt, de-ironing separators 7 are respectively arranged on the conveying belt between the first crusher 6 and the sand crusher 11 and the conveying belt between the drum screen 5 and the sand crusher 11, the de-ironing outlets of the de-ironing separators 7 are respectively connected with a sand crusher 8 through conveying belts, the sand crusher 8 is respectively connected with a shaking table 9 through conveying belts, the waste residue outlet of the sand crusher 8 is connected with a second crusher 10, the second crusher 10 is connected with a second jigger 13, the non-ferrous metal outlet of the second jigger 13 is connected with a non-ferrous metal warehouse, the slag outlet of the second jigger 13 is connected with a sedimentation tank 18, a sand-water separator 16 and a fine sand recycling machine are arranged in the sedimentation tank 18, the sand-water separator 16 separates fine sand, water and slurry, the fine sand is conveyed to the sand warehouse through the fine sand recycling machine, the water enters a circulating water tank, the slurry separates mud and water through a filter press 19, the mud enters a landfill site to be buried, the water enters the circulating water tank, the sand-beating machine 11 is connected with the first jigger 12, the non-ferrous metal outlet of the first jigger 12 is connected with the non-ferrous metal warehouse, the slag outlet of the first jigger 12 is respectively connected with an aluminum selecting machine 15 and the sedimentation tank 18 through a classifying screen 14, the large particle outlet of the classifying screen 14 is connected with the aluminum selecting machine 15, the small particle outlet of the classifying screen 14 is connected with the sedimentation tank 18, the sand-water separator 16 and the fine sand recycling machine are arranged in the sedimentation tank 18, the sand-water separator 16 separates fine sand, water and slurry, the fine sand is conveyed to a sand warehouse through a fine sand recycling machine, the water enters a circulating water tank, the slurry is separated from the slurry through a filter press 19, the slurry enters a landfill site for landfill, the water enters the circulating water tank, an unburned waste selecting device 20 is arranged on a conveying belt between an on-screen material outlet of the rotary screen 5 and the first crusher 6, the unburned waste selecting device consists of a material receiving conveying belt 21, a material receiving hopper 22, a conveying motor, a material stirring window 23, material stirring gloves 24 and a protective cover 25, the material receiving conveying belt 21 is arranged below the conveying belt for conveying bulk materials, the material receiving conveying belt 21 is driven by the motor, the protective cover 25 is arranged into a sealing box body, the sealing box body is sealed and wrapped on the outer side of the material receiving conveying belt 21 and the conveying belt for conveying the bulk materials, and the left side of the sealing box body is sealed, the right side is respectively provided with an inlet and an outlet of a bulk material conveyer belt, the outlet of a material receiving conveyer belt 21 is arranged below the outlet of the bulk material conveyer belt, the material receiving conveyer belt 21 extends out of the outlet of the material receiving conveyer belt 21 of the sealing box and is arranged above a material receiving hopper 22 through a bracket, the material receiving conveyer belt is driven by a conveying motor, the front side and the rear side of the box body are respectively provided with a material stirring window 23, the material stirring window 23 is provided with an arm outlet, the arm outlet is connected with the inlet of a material stirring glove 24, the picking of unburned materials on the conveyer belt is realized by passing through the material stirring glove 24 through an arm, the unburned materials after picking are conveyed to the material receiving hopper 22 by the material receiving conveyer belt 21, the material receiving hopper 22 is discharged and returns to the power plant 1 for reburning through a conveyer car, the iron remover of the conveyer belt is a iron remover, a strong iron remover and a wet cylinder iron remover in sequence, the iron remover 7 consists of a base 31, a supporting disc 32, an adsorption seat 34, an adsorption disc 35, an iron collecting box 36, a rotating motor 37, a lifting cylinder 38 and a material stirring frame, wherein a driving wheel is arranged below the base 31, the rotating motor 37 is arranged on the base 31, an output shaft of the rotating motor 37 is connected with the supporting disc 32, the supporting disc 32 is connected with the base 31 through a bearing, the rotating motor 37 drives the supporting disc 32 to rotate, the lifting cylinder 38 is arranged above the supporting disc 32, an output shaft of the lifting cylinder 38 is connected with the adsorption seat 34, the adsorption seat 34 is rectangular, the middle part of the adsorption seat 34 is connected with the output shaft of the lifting cylinder 38, two groups of adsorption discs 35 are symmetrically arranged on the left side and the right side of the lower side of the adsorption seat 34 respectively, the area between the lower part of one group of the adsorption discs 35 and the base 31 is provided with a discharging part 41, the base 31 of the discharging part 41 is provided with an iron collecting box 36 with an opening at the upper end, the area between the lower part of the other group of adsorption discs 35 and the base 31 is provided with an adsorption part 40, the adsorption part 40 penetrates through a conveying belt for conveying materials, each group of adsorption discs 35 is at least provided with two adsorption discs 35 which are arranged in parallel along the conveying direction of the conveying belt, the adsorption discs 35 are provided with electro-permanent magnetic chucks which are respectively connected with a power supply, the adsorption seats 34 between the two adsorption discs 35 are provided with a material stirring frame, one end of the material stirring frame is connected with the adsorption seats 34, the other end of the material stirring frame is contacted with materials on the conveying belt, the materials on the conveying belt are stirred out by the material stirring frame and then are adsorbed again, the material stirring frame consists of a material stirring fixed rod 42, a material stirring rod 43 and a material stirring head 44, the upper end of the material stirring fixed rod 42 is connected with the adsorption seats 34, the lower end of the material stirring fixed rod 42 is provided with a material stirring rod 43, the upper end of the stirring rod 43 is connected with the stirring fixed rod 42, the lower end of the stirring rod 43 is connected with the stirring head 44, the stirring head 44 is a triangular pyramid stirring head 44, the tip direction of the triangular pyramid stirring head 44 is opposite to the conveying direction of the conveying belt, stirring of materials on the conveying belt is realized through the triangular pyramid stirring head 44, the adsorption effect is further increased, each group of adsorption discs 35 is at least provided with three adsorption discs 35 which are parallel along the conveying direction of the conveying belt, the adsorption seats 34 between two adjacent adsorption discs 35 are provided with stirring frames, the stirring heads 44 in the adjacent stirring frames are staggered mutually, so that the materials on the conveying belt are fully stirred, the surrounding adsorption seats 34 of each group of adsorption discs 35 are provided with sealing sleeves 45, the inner diameter of each sealing sleeve 45 is matched with the outer diameter of the opening of the iron collecting box 36, through seal cover 45 and album indisputable box 36 sealing connection, prevent to unload in-process dust and spill over, influence the environment, adsorption seat 34 on be equipped with gravity detector and gravity sensor, gravity detector is connected with gravity sensor, gravity sensor is connected with the controller, the controller is connected with rotating electrical machines 37, when gravity reaches a definite time, gravity detector detects the gravity of the metal that adsorbs on adsorption seat 34, then pass through gravity sensor with gravity data and transmit for the controller, the controller passes through gravity data condition and transmits for rotating electrical machines 37, rotating electrical machines 37 drives adsorption seat 34 rotation, will adsorb the material and unload into album indisputable box 36, and then realize automatic unloading and automatic absorption.
When the invention is in production operation, slag generated by incinerating garbage in a power plant 1 is conveyed into a slag warehouse 2 by a conveying vehicle, then the slag in the slag warehouse 2 is conveyed into a slag feeding hopper 4 by a loader, and the slag is firstly screened out from large slag blocks, unburnt waste and fine slag by a drum screen 5, wherein: the large slag and unburned waste are conveyed to the first crusher 6 through a conveyor belt, and the unburned waste is picked out through the unburned waste picking device 20 in the process of conveying to the first crusher 6, wherein the unburned waste is returned to a garbage storage pit of the garbage incineration power plant 1 through a conveying vehicle and is incinerated again; the large-scale waste slag is conveyed to a first crusher 6 through a conveying belt to be crushed, the crushed fine slag and the fine slag passing through a screen of a rotary screen 5 are conveyed to a sand mill 11 through the conveying belt, iron is removed through the iron remover 7, magnetic metal removed by the iron remover 7 is conveyed to an iron mill 8 through the conveying belt, iron crushed by the iron mill 8 enters a shaking table 9, the shaking table 9 classifies the magnetic metal and then enters a magnetic metal warehouse, the waste slag crushed by the iron mill 8 enters a second crusher 10 through a waste slag outlet of the iron mill 8, the crushed fine slag enters a second jigger 13, the second jigger 13 mainly screens nonferrous metals (copper, lead, zinc and the like) through water flow and gravity, the residual slag is separated from the nonferrous metals and directly enters a sedimentation tank 18, available sand is extracted through a sand-water separator 16 and a fine sand recycling machine, conveying the slurry to a sand silo through a conveying belt, conveying the residual slurry into a filter press 19 through a slurry pump for solid-liquid separation treatment, wherein the slurry is subjected to solid forming and then enters a landfill site for landfill, water enters a circulating water tank for recycling, the other part of fine slag enters a sand-beating machine 11, the sand-beating machine 11 breaks the fine slag and then enters a first jigger 12, the first jigger 12 mainly screens nonferrous metals (copper, lead, zinc and the like) through the action of water flow and gravity, separates slag from the nonferrous metals, the nonferrous metals enter the nonferrous metals silo, the residual slag enters a classifying screen 14, slag at a large-particle outlet on the classifying screen 14 enters an aluminum selecting machine 15, aluminum is further selected, slag at a small-particle outlet of the classifying screen 14 enters a sedimentation tank 18, available sand is extracted through a sand-water separator 16 and the fine sand recycling machine, the nonferrous metals are conveyed to the sand silo through the conveying belt, the residual slurry is transmitted into a filter press 19 through a slurry pump to be subjected to solid-liquid separation treatment, wherein the slurry is subjected to solid molding and then enters a landfill site to be buried, water enters a circulating water tank to be recycled, when the iron remover 7 is used, the iron remover 7 is moved to the upper part of a conveying belt which needs to remove magnetic metal, an adsorption part 40 in the iron remover 7 passes through the conveying belt, an adsorption disc 35 above the adsorption part 40 is arranged right above materials on the conveying belt, then a lifting oil cylinder 38 is started to enable the lifting oil cylinder 38 to descend, a stirring head 44 in a stirring frame on an adsorption seat 34 is inserted into the materials on the conveying belt, then an adsorption disc 35 at the position of the adsorption part 40 is opened to enable the adsorption disc 35 to have magnetism to adsorb, and as the stirring head 44 is arranged, the slag after adsorption is stirred by the stirring head 44, the magnetic metal buried in the slag is stirred out to be adsorbed again, then the magnetic metal is exposed and completely absorbed, after the adsorption disc 35 adsorbs a certain amount of metal, the lifting oil cylinder 38 is started to move the lifting oil cylinder 38 upwards, then the rotating motor 37 is started, the rotating motor 37 rotates to rotate the adsorption disc 35 of the adsorption part 40 to the upper part of the iron collecting box 36, the adsorption disc 35 of the discharging part 41 rotates to the upper part of the conveying belt, then the lifting oil cylinder 38 is started to enable the lifting oil cylinder 38 to descend, the sealing sleeve 45 on the adsorption seat 34 is sleeved at the upper opening part of the iron collecting box 36, meanwhile, the stirring head 44 on the conveying belt is also inserted into the material, then the part of the adsorption disc 35 is closed, the adsorption disc 35 is nonmagnetic to discharge, meanwhile, the adsorption disc 35 on the conveying belt is opened, the adsorption disc 35 is provided with magnetism to suck the material, the process of struggling the material sucking and discharging is finished, the buried magnetism on the conveying belt is ensured to be pulled out to suck, the adsorption effect is improved, more than three groups of material sucking discs are arranged, and the material stirring heads 44 between each group of material sucking discs are staggered, so that the stirring effect is improved, and the treatment effect of the whole slag is very high.
The integral treatment system of the filter residues has the following advantages:
(1) Intensification: the equipment is compact in arrangement and small in occupied area.
(2) Mechanization: the applied equipment is safe, reliable, efficient and stable, and accords with the popular trend of industrialization.
(3) Reduction: the volume and weight of the sludge can be greatly reduced by the filter press 19, and the sludge is convenient to transport and consume.
(4) Harmless: the heavy metal content of the recovered available sand reaches the standard through the processes of multi-time water washing, magnetic separation and the like.
(5) And (3) recycling: the recycled available slag after treatment can be directly used for producing building materials such as autoclaved aerated blocks, autoclaved standard bricks and the like, thereby realizing the reutilization of resources.
(6) Environmental protection: the whole production process is provided with a dust removing system and a sewage recycling system, so that the environment protection requirement is met.
In a word, the system is used as a slag treatment system of the garbage incineration power plant 1, the generated slag accounts for more than 30% of the total amount of the incineration garbage, belongs to common solid wastes, and the extracted available sand accounts for 75% -80% of the total amount of the slag in the treated slag. Through detection and analysis, the slag contains metals such as iron, aluminum and the like, and contains considerable resource recovery value; after the slag is extracted by metal, the engineering performance of the slag is improved, sand produced after the treatment can be completely used as a building material after being processed, and through market research and expert demonstration, the slag treatment and application thought of 'resource recovery and resource reuse' is provided, so that the purposes of saving energy, reducing emission, safely producing, thoroughly changing the defects of occupied area and large investment of the traditional slag treatment method and reducing construction and operation costs can be realized.
Claims (4)
1. A household garbage incineration power generation slag treatment system is characterized by comprising a power plant, a slag warehouse, a conveying motor, a conveying belt, a feeding hopper, a drum screen, a crusher, an iron remover, an iron making machine, a shaking table, a sand making machine, a jigger, a classifying screen, an aluminum selecting machine, a sand-water separator, a fine sand recycling machine, a fine sand sedimentation tank, a magnetic metal warehouse, a nonferrous metal warehouse, a sand warehouse, a circulating water tank and a filter press, wherein the crusher is divided into a first crusher and a second crusher, the jigger is divided into the first jigger and the second jigger, the power plant conveys slag after burning the power plant into the slag warehouse through the conveying vehicle, the slag warehouse is connected with the feeding hopper through the loading vehicle, the slag in the slag warehouse is conveyed into the feeding hopper through the loading vehicle, a discharge port of the feeding hopper is connected with the drum screen through the conveying motor and the conveying belt, a oversize outlet of the drum screen is connected with the first crusher through the conveying belt, the under-screen material outlet of the drum screen is connected with a sand mill through a conveyer belt, an iron remover is arranged on the conveyer belt between the drum screen and a first crusher, the crushing outlet of the first crusher is connected with the sand mill through the conveyer belt, iron removers are respectively arranged on the conveyer belt between the first crusher and the sand mill and the conveyer belt between the drum screen and the sand mill, the iron removal outlets of the iron removers are respectively connected with the iron mill through the conveyer belt, the iron mill is respectively connected with a shaking table through the conveyer belt, the shaking table is connected with a magnetic metal warehouse, the waste residue outlet of the iron mill is connected with a second crusher, the non-ferrous metal outlet of the second jig is connected with the non-ferrous metal warehouse, the slag outlet of the second jig is connected with a sedimentation tank, the sand mill is connected with the first jig, the non-ferrous metal outlet of the first jigger is connected with a non-ferrous metal warehouse, the slag outlet of the first jigger is respectively connected with an aluminum selecting machine and a sedimentation tank through a classifying screen, the large particle outlet of the classifying screen is connected with the aluminum selecting machine, the small particle outlet of the classifying screen is connected with the sedimentation tank, a sand-water separator and a fine sand recycling machine are arranged in the sedimentation tank, the sand-water separator separates fine sand, water and slurry, the fine sand is conveyed to the sand warehouse through the fine sand recycling machine, the water enters a circulating water tank, the slurry is separated from the slurry through a filter press, the slurry enters a landfill site for landfill, the water enters the circulating water tank,
the on-screen material outlet of the drum screen and the first crusher are provided with an unburnt waste selecting device, the unburnt waste selecting device consists of a material receiving conveyer belt, a material receiving hopper, a conveyer motor, a material stirring window, material stirring gloves and a protective cover, the material receiving conveyer belt is arranged below the conveyer belt for conveying large materials, the material receiving conveyer belt is driven by the motor, the protective cover is arranged as a sealed box body, the sealed box body is sealed and wrapped on the outer sides of the material receiving conveyer belt and the conveyer belt for conveying the large materials, the left side and the right side of the sealed box body are respectively provided with an inlet and an outlet of the large material conveyer belt, the lower part of the outlet of the large material conveyer belt is provided with an outlet of the material receiving conveyer belt, the material receiving conveyer belt extends out of the material receiving conveyer belt outlet of the sealed box and is supported above the material receiving hopper, the material stirring gloves are respectively arranged on the front side and the rear side of the box body, the material stirring window is provided with an arm outlet, the arm outlet is connected with the inlet of the material stirring gloves, the arm outlet passes through the inlet of the material stirring gloves to be returned to the material stirring gloves for unloading after the material is carried out by the material receiving conveyer belt, and the unburnt material is discharged from the material receiving conveyer belt to the place of the power plant after the material receiving conveyer belt,
the iron remover constitute by base, supporting disk, adsorption seat, adsorption disk, collection iron box, rotating electrical machines, lift cylinder, driving frame, the base on be equipped with the rotating electrical machines, the output shaft of rotating electrical machines is connected with the supporting disk, the supporting disk is connected with the base through the bearing, the rotation that drives the supporting disk through the rotating electrical machines, the top of supporting disk be equipped with the lift cylinder, the output shaft of lift cylinder is connected with the adsorption seat, the adsorption seat establish to the rectangle, the middle part of adsorption seat is connected with the output shaft of lift cylinder, the left and right sides of the downside of adsorption seat is symmetrical respectively and is equipped with two sets of adsorption disks, the region between the below of one set of adsorption disk and the base is established to the discharge portion, the base of discharge portion on be equipped with upper end open-ended collection iron box, the region between the below of another set of adsorption disk and the base is established to the adsorption portion, the adsorption portion passes the conveyer belt of conveyer material, every group of adsorption disk is equipped with two adsorption disks along conveyer belt direction, the adsorption disk is established to the electric permanent magnet chuck, the electric permanent magnet chuck is connected with the power respectively, the two adsorption frames between the adsorption seat are equipped with the adsorption frame and the inside diameter of the top of the carrier, the seal cover is equipped with the seal cover and the top of the material carrier, the seal cover is passed through the top of the carrier, the carrier is connected with the material box and the material box is passed through, the seal the outside the top of the material is covered with the material carrier, and the material is covered with the material to the outside the material has the material sealing the material.
2. The household garbage incineration power generation slag treatment system according to claim 1, wherein the stirring frame comprises a stirring fixed rod, a stirring rod and a stirring head, the upper end of the stirring fixed rod is connected with the adsorption seat, the lower end of the stirring fixed rod is provided with the stirring rod, the upper end of the stirring rod is connected with the stirring fixed rod, the lower end of the stirring rod is connected with the stirring head, the stirring head is provided with a triangular pyramid stirring head, the tip direction of the triangular pyramid stirring head is opposite to the conveying direction of the conveying belt, and stirring of materials on the conveying belt is realized through the triangular pyramid stirring head.
3. The system for treating the household garbage incineration power generation slag according to claim 1, wherein each group of adsorption discs is at least provided with three adsorption discs which are arranged in parallel along the conveying direction of the conveying belt, a material shifting frame is arranged on an adsorption seat between two adjacent adsorption discs, and material shifting heads in the adjacent material shifting frames are arranged in a staggered manner, so that materials on the conveying belt are fully separated, and metal is fully absorbed.
4. The household garbage incineration power generation slag treatment system according to claim 1, wherein the adsorption seat is provided with a gravity detector and a gravity sensor, the gravity detector is connected with the gravity sensor, the gravity sensor is connected with the controller, the controller is connected with the rotating motor, when the gravity reaches a certain value, the gravity detector detects the gravity of the metal adsorbed on the adsorption seat, gravity data are transmitted to the controller through the gravity sensor, the controller transmits the gravity data to the rotating motor, and the rotating motor drives the adsorption seat to rotate, so that the adsorption material is discharged into the iron collecting box, and automatic unloading and automatic adsorption are realized.
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| CN116637692B (en) * | 2023-07-24 | 2023-10-03 | 石家庄冠领包装有限公司 | Iron sheet feeding machine |
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