CN109489043A - A kind of the rubbish fining pretreatment system and method for garbage incinerating power plant - Google Patents
A kind of the rubbish fining pretreatment system and method for garbage incinerating power plant Download PDFInfo
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- CN109489043A CN109489043A CN201811560127.3A CN201811560127A CN109489043A CN 109489043 A CN109489043 A CN 109489043A CN 201811560127 A CN201811560127 A CN 201811560127A CN 109489043 A CN109489043 A CN 109489043A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
-
- 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
- B03C1/30—Combinations with other devices, not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/033—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment comminuting or crushing
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of rubbish of garbage incinerating power plant fining pretreatment system and methods, including rubbish storage pond and separation system, separation system includes bag-breaking machine, intelligent sorting platform, crusher and extruder, the serum outlet of extruder is connected with slurry pool and oil-water separator in turn, the solid material outlet connection spring screening machine of extruder, the oversize outlet of spring screening machine is connected with the first magnetic separator in turn, first sorting machine, disk sieving machine and the second sorting machine, the combustible discharge port of second sorting machine is connected with combustible storage silo, the screenings outlet of spring screening machine is connected with the second magnetic separator and astrolabe screening machine in turn, the combustible discharge port of astrolabe screening machine is connected with combustible storage silo.The pretreating process that this system uses, principle is advanced, and the combustible calorific value after good separation effect, sorting is high, and the processing capacity of single line is high, is that one kind is more optimized, is more suitable for, is more economical, more reliable rubbish fining preconditioning technique.
Description
Technical field
The invention belongs to waste incineration and generating electricity technical fields, and in particular to a kind of rubbish fining of garbage incinerating power plant
Pretreatment system and method.
Background technique
Rubbish is the solid waste generated in mankind's daily life and production, since discharge rate is big, complicated component is various,
And there is pollution, resource and social, innoxious, recycling, minimizing and socialization processing are needed, such as cannot properly be located
Reason, just pollutes the environment, and influences environmental sanitation, and waste of resource destroys production and living safety, destroys social harmony.Garbage disposal
It seeks to rubbish to remove rapidly, and carries out harmless treatment, be finally subject to reasonable utilization.Currently, being widely used both at home and abroad
Treatment Way of Municipal Refuse in City mainly have sanitary landfills, During High-Temperature Composting and burning etc., these three major garbage processing modes
Ratio, because the factors such as geographical environment, rubbish composition, the level of economic development difference due to different from.With the development of economy, raw
Rubbish total amount living continues to increase, and traditional landfill and composting process can not gradually have been expired due to raising of its land occupation and environmental requirement
Sufficient garbage disposal requirement, more and more rubbish are handled using burning process, and garbage incinerating power plant also comes into being.?
In existing technology, waste incineration and generating electricity, which adopts the technology that, is discharged into the rubbish after collection in dump pit, heap filter a period of time
Directly enter furnace burning afterwards, rubbish enter stokehold without or only simply pre-processed, since categorized consumer waste effect is poor,
When being burned again, dregs, metal and bulk inertial-garbage in rubbish easily cause the failure of incinerator, influence rubbish hair
The normal operation of power plant, and the calorific value of rubbish is too low in burning process, generating efficiency is low, while burning the dioxins concentration of generation
It is larger, air environment is seriously polluted, threat can also be generated to the health of people.Therefore, a kind of system design department is developed
Rationally, simple process, garbage classification processing is fine, fine separating effect is significant, combustible calorific value is high, single line processing capacity height
Garbage incinerating power plant rubbish fining pretreatment system and its method be desirability.
Summary of the invention
In order to solve the problems, such as background technique, the purpose of the present invention is to provide a kind of conjunctions of system design science
Reason, simple process, garbage classification handle the rubbish that fine, fine separating effect is significant, combustible calorific value is high, single line processing capacity is high
The rubbish of the rubbish fining pretreatment system and application of rubbish power generation by waste combustion the factory system refines preprocess method.
The rubbish of refuse-burning plant of the present invention refines pretreatment system, including rubbish storage pond and sorting system
System, separation system includes bag-breaking machine, intelligent sorting platform, crusher and extruder, is arranged between bag-breaking machine and rubbish storage pond
There is feeder, intelligent robot is provided on intelligent sorting platform, dispersing agent adding mouth is set on crusher, is arranged on extruder
There are serum outlet and solid material outlet, serum outlet is connected with slurry pool and oil-water separator in turn, is provided on oil-water separator
Filtrate (liquid and grease outlets, filtrate (liquid are connected with liquid storage tank, and grease outlets are connected with oil storage pool, Gu material outlet connection spring
Screening machine, spring screening machine be provided with oversize outlet and screenings outlet, oversize outlet be connected in turn the first magnetic separator,
The light material outlet of first sorting machine, disk sieving machine and the second sorting machine, the first sorting machine and the second sorting machine is connected with
Plastic recovery system, the combustible discharge port of the second sorting machine are connected with combustible storage silo, and screenings outlet is connected in turn
The combustible discharge port of second magnetic separator and astrolabe screening machine, astrolabe screening machine is connected with combustible storage silo, astrolabe screening machine
Heavy miscellaneous object outlet connect weight sundries separation system.
Further, the first sorting machine and the second separator structure are identical, including conveyer belt and separatory vessel, conveyer belt into
Material end be provided with distributing device, the discharge end of conveyer belt is located in separatory vessel, be provided with above conveyer belt infrared transmitter with
The discharge end lower section of infrared light detection probe, conveyer belt is provided with 2~3 nozzles, and nozzle is by tracheae and is mounted on separatory vessel
Outer high-pressure pump is connected, and the bottom in separatory vessel is provided with the first storage compartment and the second storage compartment, under the feed end of conveyer belt
Side is provided with brush roll.
Further, oil-water separator includes horizontal knockout drum, inlet, grease outlets and filtrate (liquid, horizontal separation
Tank is internally provided with by-pass filtration room, and the level-one gathering room being connected to by-pass filtration room is provided on the upside of by-pass filtration, under
Side is provided with the liquid collecting room with by-pass filtration room, and left side is provided with the mixing chamber being connected to by-pass filtration room, right side be provided with
The secondary filtration room that level-one gathering room is connected to liquid collecting room is provided with two be connected to secondary filtration room on the right side of secondary filtration room
The top of second level gathering room is arranged in grade gathering room, grease outlets, and the bottom of liquid collecting room is arranged in filtrate (liquid.
Further, weight sundries separation system includes the high temperature pressure tank being sequentially connected, depressurizes tank and third sorting machine, the
Organic outlet and inorganic matter outlet are provided on three sorting machines, the organic outlet is connected with organic matter storage silo, inorganic
Object outlet connection organic/inorganic substance storage silo.
Further, heating bath is provided between oil-water separator and slurry pool.
Further, extruder is tapered squeezer.
Preprocess method is refined to rubbish using this system, comprising the following steps:
1. broken bag is handled: the garbage utilization feeder in rubbish storage pond being sent to progress broken bag processing in bag-breaking machine, makes to cover
Polybag outside rubbish is broken, and obtains the rubbish to scatter；
2. rubbish pre-sorting: through step, 1. treated that rubbish is delivered to garbage sorting platform, is fallen using intelligent robot sorting
The masonry, vial, plastic bottle or polybag of bulk in rubbish；
3. rubbish crush: the rubbish after 2. step sort is transported in crusher, and by dispersing agent adding mouth to be crushed
Dispersing agent is added in machine, so that dispersing agent and rubbish is carried out co-grinding in crusher and obtains crushed material, the dispersing agent adds
Dosage is the 0.5~1% of garbage weight；
4. being separated by solid-liquid separation, 3. crushed material that step obtains is sent into extruder and is separated by solid-liquid separation, isolated filtrate and solid
Body material, the filtrate are discharged from slurry outlet, and solid material is exported from solid material and is discharged, and the moisture content of the solid material squeezed is less than
20%；
5. the water-oil separating of filtrate: the filtrate being discharged from slurry outlet being drained into slurry pool, is re-fed into oil after storing 1~2h
Water-oil separating, isolated grease and filtrate are carried out in water separator (23), grease enters in oil storage pool by grease outlets
Storage, filtrate enters in liquid storage tank through filtrate outlet to be stored；
6. the sorting of solid material: will from solid material export discharge solid material be sent into spring screening machine in carry out it is selected, it is selected after point
Oversize and screenings are not obtained；
7. the selected processing of oversize: 6. oversize that step is obtained, which is sent into the first magnetic separator, carries out magnetic separation processing, removal
Metal in oversize, then send the oversize after magnetic separation into the first sorting machine again, and sorting removes in the oversize after magnetic separation
Plastic grain, later again will oversize be sent into disk sieving machine in be sorted again, remove oversize in sandstone particle,
Oversize after finally again sorting disk sieving machine is sent into the second sorting machine to be sorted three times, is removed again thin in oversize
Film plastics, the combustible obtained through the second sorting machine is sent into the storage of combustible storage silo, through the first sorting machine and the second sorting machine
Obtained plastic grain feeding plastic recovery system is sorted to be recycled；
8. the sorting process of screenings: 6. screenings that step is obtained, which is sent into the second magnetic separator, carries out magnetic separation processing, removal
Screenings is sent into astrolabe screening machine again sorts later by the metal in screenings, and sorting to obtain through astrolabe screening machine can
Combustion things and weight sundries, combustible are sent into the storage of combustible storage silo, and weight sundries is sent into weight sundries separation system and carries out subsequent processing.
Preferably, step 3. in, the dispersing agent is phosphate, glycerin monostearate, in single month silicic acid phosphate
One kind.
In the present invention, broken bag processing is carried out to rubbish using bag-breaking machine, rubbish is allowed to be dispersed, it is flat using intelligent sorting
Platform removes non-flammable bigger material in rubbish, is crushed using crusher to rubbish, using extruder to smashed rubbish
It is separated by solid-liquid separation, water-oil separating is carried out to the filtrate that extruding obtains using oil-water separator, obtains the grease of recoverable,
Solid material after extruding is sieved using spring screening machine, the oversize sieved is by the first magnetic separator removal gold
Category, the first sorting machine, disk sieving machine and the second sorting machine it is selected after, plastics, film in oversize etc. can be removed no
Conducive to power generation by waste combustion sundries, the higher combustible of combustion value is obtained, and sieves obtained screenings by the second magnetic separator removal gold
Belong to, the sundries that glass, sandstone etc. are unfavorable for power generation by waste combustion is removed after the screening of astrolabe screening machine, obtains the higher combustible of combustion value.
The pretreating process that this system uses, principle is advanced, and to the adaptable of garbage disposal, the integrated level of equipment is high, continuous to transport
Row is stablized, and selected obtained combustible is able to satisfy the calorific value requirement of power generation by waste combustion charging completely, realizes the sorting of rubbish and mentions
Pure, the combustible calorific value after good separation effect, sorting is high, and the processing capacity of single line is high, and highest processing capacity can be to 18~20 tons
Per hour, higher than 2 times of prior art, in addition, the system can also realize the sorting to rubbish fining, so that recycling obtains
Plastics, film, metal, grease, organic matter and the inhomogeneous substance of inorganic matter avoid the waste and secondary pollution of resource, and
Significantly improve the combustion heat value of rubbish, for municipal refuse incineration power engineering provide it is a kind of it is more optimized, be more suitable for, more pass through
Ji, more reliable rubbish refine preconditioning technique, use easy to spread.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of the first sorting machine and the second sorting machine；
Fig. 3 is the structural schematic diagram of oil-water separator；
In figure: 1- rubbish storage pond, 2- feeder, 3- bag-breaking machine, 4- intelligent sorting platform, 5- crusher, 6- extruder, 7- bullet
Vanning extension set, the first magnetic separator of 8-, the first sorting machine of 9-, 10- disk sieving machine, the second sorting machine of 11-, 12- plastics recovery system
System, 13- organic matter storage silo, 14- inorganic matter storage silo, 15- third sorting machine, 16- depressurize tank, 17- high temperature pressure tank, 18-
Combustible storage silo, 19- astrolabe screening machine, the second magnetic separator of 20-, 21- slurry pool, 22- heating bath, 23- oil-water separator,
231- inlet, 232- mixing chamber, 233- level-one gathering room, 234- by-pass filtration room, 235- secondary filtration room, 236- second level collection
Grease chamber, 237- grease outlets, 238- liquid collecting room, 239- filtrate (liquid, 24- liquid storage tank, 25- oil storage pool, 26- conveyer belt, 27- are red
Outer optical transmitting set, 28- infrared light detection probe, 29- separatory vessel, 30- nozzle, the first storage compartment 31-, the second storage compartment 32-,
33- tracheae, 34- high-pressure pump, 35- brush roll, 36- distributing device.
Specific embodiment
Below with reference to embodiment and attached drawing explanation, the present invention is further illustrated, but not in any way to the present invention
Limit, based on present invention teach that it is made it is any transform or replace, equal embodiment belongs to the scope of protection of the present invention.
As shown in Figures 1 to 3, the rubbish of refuse-burning plant of the present invention refines pretreatment system, including rubbish is deposited
Reservoir 1 and separation system, it is characterised in that: the separation system includes bag-breaking machine 3, intelligent sorting platform 4, crusher 5 and squeezes
Press 6 is provided with feeder 2, is provided with intelligence on the intelligent sorting platform 4 between the bag-breaking machine 3 and rubbish storage pond 1
Dispersing agent adding mouth is arranged on the crusher 5 for robot, and serum outlet and solid material outlet, institute are provided on the extruder 6
It states serum outlet and is connected with slurry pool 21 and oil-water separator 23 in turn, be provided with filtrate (liquid on the oil-water separator 23
239 and grease outlets 237, the filtrate (liquid 239 be connected with liquid storage tank 24, the grease outlets 237 are connected with oil storage pool 25,
The solid material outlet connection spring screening machine 7, the spring screening machine 7 is provided with oversize outlet and screenings outlet, described
Oversize outlet is connected with the first magnetic separator 8, the first sorting machine 9, disk sieving machine 10 and the second sorting machine 11 in turn, and described the
The outlet of the light material of one sorting machine 9 and the second sorting machine 11 is connected with plastic recovery system 12, second sorting machine 11
Combustible discharge port is connected with combustible storage silo 18, and the screenings outlet is connected with the second magnetic separator 20 and star in turn
The combustible discharge port of riddle extension set 19, the astrolabe screening machine 19 is connected with combustible storage silo 18, astrolabe screening machine 19
Weight miscellaneous object outlet connects weight sundries separation system.
Broken bag processing is carried out to rubbish using bag-breaking machine 3, rubbish is allowed to be dispersed, removes rubbish using intelligent sorting platform 4
Non-flammable bigger material in rubbish, crushes rubbish using crusher 5, is consolidated using extruder 6 to smashed rubbish
Liquid separation is squeezed obtained filtrate using 23 pairs of oil-water separator and carries out water-oil separating, obtained the grease of recoverable, utilize
Spring screening machine 7 solid material after extruding is sieved, the oversize sieved by the first magnetic separator 8 removal metal,
First sorting machine 9, disk sieving machine 10 and the second sorting machine 11 it is selected after, plastics, the film etc. in oversize can be removed
It is unfavorable for power generation by waste combustion sundries, obtains the higher combustible of combustion value, and sieves obtained screenings and gone by the second magnetic separator 20
Except metal, astrolabe screening machine 19 removes glass after sieving, sandstone etc. are unfavorable for the sundries of power generation by waste combustion, and obtaining that combustion value is higher can
Combustion things.
Further, first sorting machine 9 is identical with 11 structure of the second sorting machine, including conveyer belt 26 and separatory vessel
29, the feed end of the conveyer belt 26 is provided with distributing device 36, and the discharge end of the conveyer belt 26 is located in separatory vessel 29, described
The top of conveyer belt 26 is provided with infrared transmitter 27 and infrared light detection probe 28, the discharge end lower section of the conveyer belt 26
2~3 nozzles 30 are provided with, the nozzle 30 is connected by tracheae 33 with the high-pressure pump 34 being mounted on outside separatory vessel 29, institute
It states the bottom in separatory vessel 29 and is provided with the first storage compartment 31 and the second storage compartment 32, when being sorted to oversize,
Oversize is fallen on first on distributing device 36, under the action of distributing device 36, oversize is made to be evenly distributed in conveyer belt 26
On, and transmitted with conveyer belt 26, during transmission, infrared transmitter 27 emits infrared light, infrared light inspection to oversize
The reflected light of 28 pairs of oversizes of probing head detects, when oversize is transferred to discharge end, according to the reflectance spectrum of oversize
Difference, control nozzle sprays 30 gas or is failure to actuate, so that plastics, film that the first sorting machine 9 sub-elects drop into the first storage compartment
31, screenings drops into the second storage compartment 32, and plastics, the film that the second sorting machine 11 sub-elects drop into the first storage compartment 31,
Combustible drops into the second storage compartment 32.
In order to avoid oversize is adhered on conveyer belt 26, brush roll 35 is provided with below the feed end of conveyer belt 26,
Viscous material on a moving belt can be brushed off in time using brush roll.
Further, the oil-water separator 23 includes horizontal knockout drum, inlet 231, grease outlets 237 and filtrate (liquid
239, the horizontal knockout drum is internally provided with by-pass filtration room 234, and the upside of the by-pass filtration 234 is provided with and level-one
The level-one gathering room 233 that filter chamber 234 is connected to, downside are provided with the liquid collecting room 238 with by-pass filtration room 234, and left side is provided with
The mixing chamber 232 being connected to by-pass filtration room 234, right side are provided with the second level being connected to level-one gathering room 233 and liquid collecting room 238
Filter chamber 235, the right side of the secondary filtration room 235 are provided with the second level gathering room 236 being connected to secondary filtration room 235, institute
The top that second level gathering room 236 is arranged in grease outlets 237 is stated, the bottom of liquid collecting room 238 is arranged in the filtrate (liquid 239,
Entered in mixing chamber 232 in the filtrate of slurry pool 21 after the reaction was completed by inlet 231, subsequently into by-pass filtration pond 234
Interior, by-pass filtration pond 234 separates filtrate, and isolated oil enters level-one gathering room 233, and liquid enters liquid collecting room
238, oil enters in secondary filtration room 235 through level-one gathering room 233, and liquid is through liquid collecting room 238 finally through 239 row of filtrate outlet
Out, the oil contained in 238 liquid of liquid collecting room is again introduced into secondary filtration room 235, and the oil being obtained by filtration through secondary filtration room 235 is most
Enter second level gathering room 236 eventually, realizes water-oil separating.
Further, the heavy sundries separation system includes the high temperature pressure tank 17 being sequentially connected, decompression tank 16 and third
Sorting machine 15 is provided with organic outlet and inorganic matter outlet on third sorting machine 15, and the organic outlet is connected with organic
Object storage silo 13, the inorganic matter outlet connection organic/inorganic substance storage silo 14, arrives dregs, pottery after astrolabe screening machine 19 is screened
The weight sundries such as porcelain, masonry, glass enters high temperature pressure tank, and 17 in operating temperature be 200~220 DEG C, 10 atmosphere of operating pressure
The high temperature high pressure sterilizing thermal oxidation of the condition progress 2 hours of pressure, it is thoroughly after curing that the heavy sundries spray in tank is quick-fried to decompression
Tank 16, for the weight complete extruding of sundries at powdered, the powder after all sprays are quick-fried is entering third sorting machine after drying when spraying quick-fried
15 are sorted, and organic matter is screenings, and inorganic all becomes screenings.
Further, in order to accelerate the speed of water-oil separating in slurry pool 21, the oil-water separator 23 and slurry pool 21
Between be provided with heating bath 22, filtrate after extruding after heat temperature raising, can accelerate the separating rate of grease in heating bath 22.
Preferably, the extruder 6 is tapered squeezer, and the extrusion dehydration effect of tapered well can will be in rubbish
Moisture squeezes clean.
The rubbish of refuse-burning plant of the present invention refines preprocess method, comprising the following steps:
1. broken bag is handled: the garbage utilization feeder 2 in rubbish storage pond 1 being sent to progress broken bag processing in bag-breaking machine 3, is made
It covers the polybag outside rubbish to break, obtains the rubbish to scatter；
2. rubbish pre-sorting: through step, 1. treated that rubbish is delivered to garbage sorting platform 4, is fallen using intelligent robot sorting
The masonry, vial, plastic bottle or polybag of bulk in rubbish；
3. rubbish crush: the rubbish after 2. step sort is transported in crusher 5, and by dispersing agent adding mouth to be crushed
It is added dispersing agent in machine 5, the dispersing agent is one of phosphate, glycerin monostearate, single month silicic acid phosphate, is made point
Powder and rubbish carry out co-grinding in crusher 5 and obtain crushed material, and the additive amount of the dispersing agent is the 0.5 of garbage weight
~1%, dispersing agent is added, the grease being mingled in rubbish can be promoted quickly to be precipitated；
4. being separated by solid-liquid separation, 3. crushed material that step obtains is sent into extruder 6 and is separated by solid-liquid separation, isolated filtrate and solid
Body material, the filtrate are discharged from slurry outlet, and solid material is exported from solid material and is discharged, and the moisture content of the solid material squeezed is less than
20%；
5. the water-oil separating of filtrate: will be drained into slurry pool 21 from the filtrate that slurry outlet is discharged, be re-fed into after storing 1~2h
Water-oil separating, isolated grease and filtrate are carried out in oil-water separator 23, grease enters oil storage pool by grease outlets 237
Storage in 25, filtrate enters in liquid storage tank 24 through filtrate outlet 239 to be stored；
6. the sorting of solid material: will from solid material export discharge solid material be sent into spring screening machine 7 in carry out it is selected, it is selected after point
Oversize and screenings are not obtained；
7. the selected processing of oversize: 6. oversize that step is obtained, which is sent into the first magnetic separator 8, carries out magnetic separation processing, removal
Metal in oversize, then send the oversize after magnetic separation into the first sorting machine 9 again, and sorting removes in the oversize after magnetic separation
Plastic grain, later again will oversize be sent into disk sieving machine 10 in be sorted again, remove oversize in sandstone
Grain, the oversize after finally again sorting disk sieving machine 10 is sent into the second sorting machine 11 to be sorted three times, again on removal sieve
Plastic film in object, the combustible obtained through the second sorting machine 11 is sent into combustible storage silo 18 and is stored, through the first sorting machine 9
The plastic grain obtained with the sorting of the second sorting machine 11 is sent into plastic recovery system 12 and is recycled；
8. the sorting process of screenings: 6. screenings that step is obtained, which is sent into the second magnetic separator 20, carries out magnetic separation processing, goes
Except the metal in screenings, screenings is sent into astrolabe screening machine 19 again sorts later, sorted through astrolabe screening machine 19
Combustible and weight sundries are obtained, combustible is sent into combustible storage silo 18 and is stored, and weight sundries is sent into weight sundries separation system and is carried out
Subsequent processing.
The pretreating process that this system uses, principle is advanced, to the adaptable of garbage disposal, the integrated level of equipment
Height, continuous operation are stablized, and selected obtained combustible is able to satisfy the calorific value requirement of power generation by waste combustion charging completely, realize rubbish
Sorting and purification, the combustible calorific value after good separation effect, sorting is high, and the processing capacity of single line is high, and highest processing capacity can arrive
18~20 tphs, higher than 2 times of prior art, in addition, the system can also realize the sorting to rubbish fining, thus
Recycling obtains plastics, film, metal, grease, organic matter and the inhomogeneous substance of inorganic matter, avoids the waste of resource and secondary
Pollution, and the combustion heat value of rubbish is significantly improved, it is provided for municipal refuse incineration power engineering a kind of more optimized, more suitable
It closes, more economical, more reliable rubbish refines preconditioning technique, use easy to spread.
Claims (9)
1. a kind of rubbish of garbage incinerating power plant refines pretreatment system, feature is just: including rubbish storage pond (1)
And separation system, it is characterised in that: the separation system includes bag-breaking machine (3), intelligent sorting platform (4), crusher (5) and squeezes
Press (6) is provided with feeder (2) between the bag-breaking machine (3) and rubbish storage pond (1), on the intelligent sorting platform (4)
It is provided with intelligent robot, dispersing agent adding mouth is set on the crusher (5), is provided with slurries on the extruder (6) and goes out
Mouth and solid material outlet, the serum outlet are connected with slurry pool (21) and oil-water separator (23), the oil-water separator in turn
(23) filtrate (liquid (239) and grease outlets (237) are provided on, the filtrate (liquid (239) is connected with liquid storage tank (24), institute
It states grease outlets (237) to be connected with oil storage pool (25), solid material outlet connection spring screening machine (7), the spring screening machine
(7) it is provided with oversize outlet and screenings outlet, the oversize outlet is connected with the first magnetic separator (8), first point in turn
Select machine (9), disk sieving machine (10) and the second sorting machine (11), first sorting machine (9) and the second sorting machine (11) it is light
Matter material outlet is connected with plastic recovery system (12), and the combustible discharge port of second sorting machine (11) is connected with combustible
Storage silo (18), the screenings outlet are connected with the second magnetic separator (20) and astrolabe screening machine (19), the astrolabe sieve in turn
The combustible discharge port of extension set (19) is connected with combustible storage silo (18), and the heavy miscellaneous object outlet of astrolabe screening machine (19) connects weight
Sundries separation system.
2. a kind of rubbish of garbage incinerating power plant according to claim 1 refines pretreatment system, it is characterised in that:
First sorting machine (9) is identical with the second sorting machine (11) structure, including conveyer belt (26) and separatory vessel (29), the transmission
The feed end of band (26) is provided with distributing device (36), and the discharge end of the conveyer belt (26) is located in separatory vessel (29), the biography
It send and is provided with infrared transmitter (27) and infrared light detection probe (28), the discharging of the conveyer belt (26) above band (26)
End lower section is provided with 2~3 nozzles (30), and the nozzle (30) is by tracheae (33) and is mounted on the high pressure of separatory vessel (29) outside
Air pump (34) is connected, and the bottom in the separatory vessel (29) is provided with the first storage compartment (31) and the second storage compartment (32).
3. a kind of rubbish of garbage incinerating power plant according to claim 2 refines pretreatment system, it is characterised in that:
Brush roll (35) are provided with below the feed end of the conveyer belt (26).
4. a kind of rubbish of garbage incinerating power plant according to claim 1 refines pretreatment system, it is characterised in that:
The oil-water separator (23) includes horizontal knockout drum, inlet (231), grease outlets (237) and filtrate (liquid (239), institute
Being internally provided with by-pass filtration room (234) for horizontal knockout drum is stated, is provided with and level-one mistake on the upside of the by-pass filtration (234)
The level-one gathering room (233) of filter chamber (234) connection, downside is provided with the liquid collecting room (238) with by-pass filtration room (234), left side
It is provided with the mixing chamber (232) being connected to by-pass filtration room (234), right side is provided with and level-one gathering room (233) and liquid collecting room
(238) the secondary filtration room (235) being connected to, be provided on the right side of the secondary filtration room (235) and secondary filtration room (235) even
Logical second level gathering room (236), the grease outlets (237) are arranged in the top of second level gathering room (236), the filtrate (liquid
(239) it is arranged in the bottom of liquid collecting room (238).
5. a kind of rubbish of garbage incinerating power plant according to claim 1 refines pretreatment system, it is characterised in that:
The heavy sundries separation system includes the high temperature pressure tank (17) being sequentially connected, depressurizes tank (16) and third sorting machine (15), the
Organic outlet and inorganic matter outlet are provided on three sorting machines (15), the organic outlet is connected with organic matter storage silo
(13), inorganic matter outlet connection organic/inorganic substance storage silo (14).
6. a kind of rubbish of garbage incinerating power plant according to claim 1 refines pretreatment system, it is characterised in that:
Heating bath (22) are provided between the oil-water separator (23) and slurry pool (21).
7. a kind of rubbish of garbage incinerating power plant according to claim 1 refines pretreatment system, it is characterised in that:
The extruder (6) is tapered squeezer.
8. a kind of rubbish of garbage incinerating power plant refines preprocess method, it is characterised in that: use claim 1~7
The pretreatment system, comprising the following steps:
1. broken bag is handled: the garbage utilization feeder (2) in rubbish storage pond (1) being sent in bag-breaking machine (3) and carries out broken bag
Processing, makes to cover the polybag outside rubbish and breaks, obtain the rubbish to scatter；
2. rubbish pre-sorting: through step, 1. treated that rubbish is delivered to garbage sorting platform (4), is sorted using intelligent robot
Fall the masonry, vial, plastic bottle or polybag of bulk in rubbish；
3. rubbish crush: the rubbish after 2. step sort is transported in crusher (5), and by dispersing agent adding mouth to break
Dispersing agent is added in broken machine (5), so that dispersing agent and rubbish is carried out co-grinding in crusher (5) and obtains crushed material, described point
The additive amount of powder is the 0.5~1% of garbage weight；
4. being separated by solid-liquid separation, 3. crushed material that step obtains is sent into extruder (6) and is separated by solid-liquid separation, isolated filtrate and
Solid material, the filtrate are discharged from slurry outlet, and solid material is exported from solid material and is discharged, and the moisture content of the solid material squeezed is small
In 20%；
5. the water-oil separating of filtrate: will be drained into slurry pool (21) from the filtrate that slurry outlet is discharged, sent again after storing 1~2h
Enter and carry out water-oil separating, isolated grease and filtrate in oil-water separator (23), grease is entered by grease outlets (237)
Storage in oil storage pool (25), filtrate enter storage in liquid storage tank (24) through filtrate outlet (239)；
6. the sorting of solid material: progress in solid material feeding spring screening machine (7) for exporting discharge from solid material is selected, after selected
Respectively obtain oversize and screenings；
7. the selected processing of oversize: 6. oversize that step is obtained, which is sent into the first magnetic separator (8), carries out magnetic separation processing, goes
Except the metal in oversize, the oversize after magnetic separation is then sent into the first sorting machine (9) again, on the sieve after sorting removal magnetic separation
Oversize is sent into disk sieving machine (10) is again sorted again later by the plastic grain in object, removes in oversize
Oversize after disk sieving machine (10) sorting is finally sent into the second sorting machine (11) again and is sorted three times by sandstone particle, then
Plastic film in secondary removal oversize, the combustible obtained through the second sorting machine (11) are sent into combustible storage silo (18) and are deposited
Storage, the plastic grain obtained through the first sorting machine (9) and the second sorting machine (11) sorting are sent into plastic recovery system (12) and are carried out
Recovery processing；
8. the sorting process of screenings: 6. screenings that step is obtained, which is sent into the second magnetic separator (20), carries out magnetic separation processing,
The metal in screenings is removed, screenings is sent into astrolabe screening machine (19) again sorts later, through astrolabe screening machine
(19) sorting obtains combustible and weight sundries, and combustible is sent into combustible storage silo (18) storage, and weight sundries is sent into weight sundries point
Subsequent processing is carried out from system.
9. a kind of rubbish of garbage incinerating power plant according to claim 8 refines preprocess method, it is characterised in that:
Step 3. in, the dispersing agent be one of phosphate, glycerin monostearate, single month silicic acid phosphate.
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| CN113134501A (en) * | 2020-01-17 | 2021-07-20 | 北京航天石化技术装备工程有限公司 | Household garbage pretreatment system and method |
| CN113843253A (en) * | 2021-09-01 | 2021-12-28 | 泉州容大机械有限公司 | Domestic garbage screening treatment production line and process flow thereof |
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Application publication date: 20190319 |