CN114082755A - Mixed garbage screening treatment device and screening treatment method - Google Patents
Mixed garbage screening treatment device and screening treatment method Download PDFInfo
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- CN114082755A CN114082755A CN202111430444.5A CN202111430444A CN114082755A CN 114082755 A CN114082755 A CN 114082755A CN 202111430444 A CN202111430444 A CN 202111430444A CN 114082755 A CN114082755 A CN 114082755A
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- belt conveyor
- screen
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- feeder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
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- 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
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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
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/12—Apparatus having only parallel elements
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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
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/12—Apparatus having only parallel elements
- B07B1/14—Roller screens
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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
- 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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- 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
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/01—Selective separation of solid materials carried by, or dispersed in, gas currents using gravity
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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
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/78—Recycling of wood or furniture waste
Abstract
The invention provides a mixed garbage screening treatment device and a mixed screening treatment method. The mixed garbage screening treatment device comprises a first belt conveyor, a feeding bar screen, a plate link chain feeder, a second belt conveyor, a secondary roller screen, a third belt conveyor, an iron remover, a fourth belt conveyor, a YH-55 high-pressure fan, a fourth belt conveyor, a fifth belt conveyor, an air duct, a sixth belt conveyor, a net bag, a 7.5-KW high-pressure fan, a seventh belt conveyor, a ladder-shaped screen and an eighth belt conveyor. According to the invention, the mixed garbage is fully subdivided and screened by combining the feeding bar screen, the secondary roller screen, the iron remover 7, the YH-55 high-pressure fan, the 7.5-KW high-pressure fan, the ladder stacking screen and manual sorting, and the mixed garbage can be screened for recyclable matters and combustible matters with different shapes and qualities, so that the screening efficiency of the mixed garbage is improved, and the mixed garbage is convenient to treat.
Description
Technical Field
The invention relates to the field of garbage treatment, in particular to a mixed garbage screening treatment device and a screening treatment method.
Background
The garbage is solid waste generated in daily life and production of human beings, has large discharge amount, complex and various components, pollution, resource and socialization, needs harmless, resource, reduction and socialization treatment, and can pollute the environment, influence the environmental sanitation, waste resources, destroy the safety of production and life and destroy the social harmony if the garbage cannot be properly treated. The garbage disposal is to rapidly remove the garbage, perform harmless treatment and finally reasonably utilize the garbage. Before the garbage is treated, the garbage needs to be screened and classified, and different garbage needs to be treated in different modes. Some recoverable matters such as metal, plastics in the rubbish need carry out recycle, and some harmful substance need carry out innocent treatment to it etc. can not mix together, need carry out classification to the rubbish.
Generally before mixed garbage is treated, the mixed garbage needs to be screened, the mixed garbage contains more kinds, such as large and small stones, metal, combustible substances, wood blocks, humus and the like, the screening is troublesome, the mixed garbage also contains garbage with different shapes and different masses, the strips, the blocks and the like are difficult to mix and screen, and the garbage with lighter mass is easy to fly in a mess in the screening process, so that the inconvenience is brought to the screening of the mixed garbage, and the screening treatment of the mixed garbage is improved.
Therefore, there is a need to provide a new mixed garbage screening treatment device to solve the above technical problems.
Disclosure of Invention
In order to solve the technical problem, the invention provides a mixed garbage screening treatment device.
The second purpose of the invention is to provide a method for screening and treating the mixed garbage by using the mixed garbage screening and treating device.
The purpose of the invention is realized by the following technical scheme:
the invention firstly provides a mixed garbage screening treatment device, which comprises: a first belt conveyor and a plate chain feeder are respectively arranged at one side and the bottom end of the feeding bar screen, the first belt conveyor and the plate chain feeder are used for respectively piling and conveying oversize materials and undersize materials screened by the feeding bar screen, a second belt conveyor is arranged below a discharge port of the plate chain feeder, a second-level roller screen is arranged above the second belt conveyor, the second belt conveyor is used for conveying undersize materials of the second-level roller screen, a transversely-arranged third belt conveyor is arranged at one end of the second belt conveyor, which is far away from the plate chain feeder, a fourth belt conveyor is arranged at one end of the second belt conveyor, which is far away from the plate chain feeder, the third belt conveyor is used for carrying and conveying undersize materials on the second belt conveyor, the fourth belt conveyor is used for conveying oversize materials of the second-level roller screen, and an iron remover is arranged above the fourth belt conveyor, an air channel is arranged at one end of the fourth belt conveyor far away from the third belt conveyor, a YH-55 high-pressure fan, a fifth belt conveyor and a sixth belt conveyor are arranged in the air channel, the YH-55 high-pressure fan is positioned below the fourth belt conveyor, an air outlet of the YH-55 high-pressure fan is aligned with a discharge port of the fourth belt conveyor to carry out air separation on materials falling off from the fourth belt conveyor, the fifth belt conveyor is transversely arranged and carries and conveys the materials falling off from the air separation, the sixth belt conveyor is positioned at one side of the fifth belt conveyor and carries and conveys the materials blown off from the air separation, one end of the fifth belt conveyor and one end of the sixth belt conveyor are respectively connected with a ninth belt conveyor and a seventh belt conveyor, the ninth belt conveyor and the seventh belt conveyor respectively carry out transport conveying on one end of the fifth belt conveyor and the materials on the sixth belt conveyor, and an eighth belt conveyor is arranged below one end of the third belt conveyor, and the eighth belt conveyor is provided with a ladder-shaped stacked sieve for screening materials falling from the third belt conveyor, a 7.5-KW high-pressure fan and a net bag are respectively arranged below and at one end of the eighth belt conveyor, the blowing port of the 7.5-KW high-pressure fan is laterally aligned with the discharge port of the ladder-shaped stacked sieve and faces towards the net bag, the eighth belt conveyor conveys and stacks undersize materials of the ladder-shaped stacked sieve, and the net bag collects oversize materials of the ladder-shaped stacked sieve.
Preferably, the feeding bar screen is of the type: BTS 150X 300-Vl, throughput 200T/h, and graded particle size 200 mm.
Preferably, the ladder folding sieve is of the type: BTS is 150 multiplied by 360-Vl, the treatment capacity is 80-100T/h, and the grading grain diameter is 10 mm.
Preferably, the ninth belt conveyor is rotatably connected with the fifth belt conveyor.
Preferably, the fourth belt conveyor is a variable frequency belt conveyor.
Preferably, the high-pressure fan is a YH-55 variable-frequency high-pressure fan.
The invention also provides a method for screening and treating the mixed garbage by using the mixed garbage screening and treating device, which comprises the following steps of:
(1) screening the mixed garbage through a feeding bar screen, manually sorting combustible substances (wood strips, long-strip garbage and the like) after oversize products (materials with the size of more than 200 mm) of the feeding bar screen enter a first belt conveyor, and piling up the rest large stones through the first belt conveyor; feeding the undersize material of the feeding bar screen into a plate chain feeder, conveying the material into a secondary roller screen for screening, and screening out humus soil with undersize material of less than 25mm and oversize material of 25-200 mm;
(2) gathering materials into a third belt conveyor through material receiving of second-stage roller screen undersize materials by a second belt conveyor, conveying the materials into a ladder stacking screen by the third belt conveyor, feeding oversize materials 12-25mm into a 7.5KW high-pressure fan for light and heavy sorting, feeding the air separation oversize materials which are combustible substances (woven bag fragments, plastic fragments and the like) into a net bag for stacking, and feeding the air separation undersize materials humus soil and undersize materials humus soil of the ladder stacking screen into an eighth belt conveyor for stacking; materials with the size of 25-200mm on the screen of the secondary roller screen enter a fourth belt conveyor, are deironized through a 70MT deironing device and enter an air duct (an air separation module with circulated wind power), a YH-55 high-pressure fan is used for carrying out light and heavy separation for secondary air separation, materials (stones, shoes, wood blocks and the like) under the air separation screen are transferred through a fifth belt conveyor and enter a ninth belt conveyor, and then combustible materials (shoes, wood blocks and the like) are manually separated and picked out, and the rest stone heads are piled up high; the materials on the air separation screen enter a settling chamber (model: FXJ-1200) for settling, and combustible materials (plastic belts, flaky garbage and the like) enter a seventh belt conveyor along with the material transfer of the sixth belt conveyor for stacking.
Compared with the related art, the mixed garbage screening treatment device provided by the invention has the following beneficial effects:
according to the invention, the mixed garbage is fully subdivided and screened by combining the feeding bar screen, the secondary roller screen, the iron remover, the YH-55 high-pressure fan, the 7.5-KW high-pressure fan, the ladder stacking screen and manual sorting, and the screening can be carried out on recyclable matters and combustible matters with different shapes and qualities, so that the screening efficiency of the mixed garbage is improved, and the mixed garbage is convenient to treat.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of a mixed garbage screening device provided by the present invention;
FIG. 2 is a side view of the structure of FIG. 1;
FIG. 3 is a schematic top view of the structure of FIG. 1;
FIG. 4 is a flow chart of the operation of the mixed garbage screening treatment device provided by the invention;
reference numbers in the figures: 1. a first belt conveyor (1000 belt conveyor); 2. feeding a bar screen; 3. GLJ-1550 plate chain feeder; 4. a second belt conveyor (first 800 belt conveyor); 5. a GZS-1545 secondary roller screen; 6. a third belt (second 800 belt); 7. 70 MT-iron remover; 8. a fourth belt (first 1200 belt); 9. YH-55 high-pressure fan; 10. a fifth belt conveyor (third 800 belt conveyor); 11. a sixth belt (second 1200 belt); 12. FXJ-1200 wind tunnel; 13. a seventh belt (fourth 800 belt); 14. a net bag; 15. 7.5-KW high pressure fan; 16. an eighth belt conveyor (fifth 800 belt conveyor); 17. a ladder stacked screen; 18. a ninth belt conveyor (a sixth 800 belt conveyor).
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a mixed garbage screening device according to the present invention; FIG. 2 is a side view of the structure of FIG. 1; FIG. 3 is a schematic top view of the structure of FIG. 1; fig. 4 is a flow chart of the operation of the mixed garbage screening treatment device provided by the invention. The method comprises the following steps: 1000 belt conveyors 1, a feeding bar screen 2, GLJ-1550 plate link chain feeder 3, a first 800 belt conveyor 4, a GZS-1545 two-stage roller screen 5, a second 800 belt conveyor 6, a 70 MT-iron remover 7, a first 1200 belt conveyor 8, a YH-55 high-pressure fan 9, a third 800 belt conveyor 10, a second 1200 belt conveyor 11, a FXJ-1200 air duct 12, a fourth 800 belt conveyor 13, a net bag 14, a 7.5-KW high-pressure fan 15, a fifth 800 belt conveyor 16, a ladder-shaped screen 17 and a sixth 800 belt conveyor 18.
In the specific implementation process, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, a feeding bar screen 2, wherein one side and the bottom end of the feeding bar screen 2 are respectively provided with a 1000 belt conveyor 1 and an GLJ-1550 plate chain feeder 3, the 1000 belt conveyor 1 and the GLJ-1550 plate chain feeder 3 respectively stack and convey oversize products and undersize products screened by the feeding bar screen 2, a first 800 belt conveyor 4 is installed below a discharge port of the GLJ-1550 plate chain feeder 3, a GZS-1545 secondary roller screen 5 is installed above the first 800 belt conveyor 4, the first 800 belt conveyor 4 is used for conveying undersize products of the GZS-1545 secondary roller screen 5, a transversely-arranged second 800 belt conveyor 6 is installed at one end of the first 800 belt conveyor 4 far from the GLJ-1550 plate chain feeder 3, a first belt conveyor 1200 is installed at one end of the GZS-1545 secondary roller screen 5 far from the GLJ-1550 plate chain feeder 3, the second 800 belt conveyor 6 carries and conveys undersize materials on the first 800 belt conveyor 4, the first 1200 belt conveyor 8 conveys undersize materials of the GZS-1545 two-stage roller screen 5, the 70 MT-iron remover 7 is arranged above the first 1200 belt conveyor 8, one end of the first 1200 belt conveyor 8, which is far away from the second 800 belt conveyor 6, is provided with an FXJ-1200 air duct 12, a YH-55 high-pressure fan 9, a third 800 belt conveyor 10 and a second 1200 belt conveyor 11 are arranged in the FXJ-1200 air duct 12, the YH-55 high-pressure fan 9 is positioned below the first 1200 belt conveyor 8, an air outlet of the YH-55 high-pressure fan aligns at the outlet of the first 1200 belt conveyor 8 to carry out air separation on the materials falling off from the first 1200 belt conveyor 8, the third 800 belt conveyor 10 is transversely arranged and carries and conveys the materials falling off, the second 1200 belt conveyor 11 is positioned at one side of the third 800 belt conveyor 10 and carries and conveys the materials falling off by air separation, one end of the third 800 belt conveyor 10 and one end of the second 1200 belt conveyor 11 are respectively connected with a sixth 800 belt conveyor 18 and a fourth 800 belt conveyor 14, and the sixth 800 belt conveyor 18 and the fourth 800 belt conveyor 14 respectively transfer and convey materials on one end of the third 800 belt conveyor 10 and the second 1200 belt conveyor 11, the fifth 800 belt conveyor 16 is arranged below one end of the second 800 belt conveyor 6, a ladder-shaped folding screen 17 for screening the falling materials of the second 800 belt conveyor 6 is arranged on the fifth 800 belt conveyor 16, a 7.5-KW high-pressure fan 15 and a net bag 14 are respectively arranged below and at one end of the fifth 800 belt conveyor 16, the blowing port of the 7.5-KW high-pressure fan 15 is laterally aligned with the discharge port of the ladder folded screen 17 and faces the net bag 14, the fifth 800 belt conveyor 16 conveys and stacks undersize of the ladder folded screen 17, and the net bag 14 collects oversize of the ladder folded screen 17; the type of the feeding bar screen is as follows: BTS is 150 multiplied by 300-Vl, the treatment capacity is 200T/h, and the grading grain diameter is 200 mm; the ladder folds sieve model and does: BTS is 150 multiplied by 360-Vl, the treatment capacity is 80-100T/h, and the grading grain diameter is 10 mm;
it should be noted that: the mixed garbage is screened through the feeding bar screen 2, materials with the oversize materials of more than 200mm of the feeding bar screen 2 enter the 1000 belt conveyor 1, then combustible materials (wood strips, long-strip garbage and the like) are manually sorted out, and the rest large stones are piled up through the 1000 belt conveyor 1; feeding materials with undersize of 200mm below the feeding bar screen 2 into an GLJ-1550 plate chain feeder 3, conveying the materials into a GZS-1545 secondary roller screen 5, and screening out humus with undersize of 25mm below and materials with oversize of 25-200 mm; the material under the screen of the GZS-1545 secondary roller screen 5 is collected by the first 800 belt conveyor 4 to collect the material into the second 800 belt conveyor 6, the material is conveyed by the second 800 belt conveyor 6 to enter the ladder pile screen 17, the material over the screen 12-25mm enters the 7.5KW high pressure fan 15 for light and heavy separation, the material over the air separation screen is combustible substances (woven bag fragments, plastic fragments and the like) and enters the net bag 14 for piling, and the material under the air separation screen and the material under the screen of the ladder pile screen 17 fall into the fifth 800 belt conveyor 16 for piling; materials with the size of 25-200mm above the GZS-1545 secondary roller screen 5 enter a first 1200 belt conveyor 8, are deironized through a 70MT deironing device 7 and then enter an FXJ-1200 air duct 12 (a FXJ-1200 winnowing module, wind power can be circulated), a YH-55 high-pressure fan 9 is used for secondary winnowing to carry out light and heavy separation, winnowing undersize materials (stones, shoes, wood blocks and the like) are transferred through a third 800 belt conveyor 10 and enter a sixth 800 belt conveyor 18, and then the remaining stones are piled up high after the combustible materials (shoes, wood blocks and the like) are manually sorted out; the materials on the winnowing screen enter a settling chamber (model: FXJ-1200) for settling, and combustible materials (plastic belts, flaky garbage and the like) are transferred to a fourth 800 belt conveyor 13 along with a second 1200 belt conveyor 11 for stacking;
the invention fully subdivides and screens the mixed garbage by combining the feeding bar screen 2, the GZS-1545 secondary roller screen 5, the 70 MT-iron remover 7, the YH-55 high-pressure fan 9, the 7.5-KW high-pressure fan 15, the ladder stack screen 17 and manual sorting, can screen recyclable matters and combustible matters with different shapes and qualities, improves the screening efficiency of the mixed garbage and is convenient for processing the mixed garbage.
Wherein, sixth 800 belt feeder and third 800 belt feeder rotatable coupling increase staff's operating range, make things convenient for the staff to carry out manual sorting department combustible substance to selection by winnowing undersize thing (stone, shoes and billet etc.).
The first 1200 belt conveyor is a variable frequency belt conveyor, and the conveying power of the first 1200 belt conveyor can be changed according to needs.
The YH-55 high-pressure fan is a YH-55 variable-frequency high-pressure fan, and the output power of the YH-55 high-pressure fan can be changed as required.
The circuits and controls involved in the present invention are prior art and will not be described in detail herein.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a mixed rubbish screening processing apparatus which characterized in that includes:
the feeding bar screen comprises a feeding bar screen (2), wherein a first belt conveyor (1) and a plate chain feeder (3) are respectively arranged at one side and the bottom end of the feeding bar screen (2), the first belt conveyor (1) and the plate chain feeder (3) are used for respectively stacking and conveying oversize products and undersize products screened by the feeding bar screen (2), a second belt conveyor (4) is arranged below a discharge port of the plate chain feeder (3), a second-stage roller screen (5) is arranged above the second belt conveyor (4), the second belt conveyor (4) is used for conveying undersize products of the second-stage roller screen (5), a transversely-arranged third belt conveyor (6) is arranged at one end, far away from the plate chain feeder (3), of the second belt conveyor (4), one end, far away from the plate chain feeder (3), of the second-stage roller screen (5) is provided with a fourth roller screen (8), and the third belt conveyor (6) is used for receiving and conveying undersize products on the second belt conveyor (4), the screen oversize thing of second grade roller screen (5) is carried in fourth belt feeder (8), de-ironing separator (7) are installed to fourth belt feeder (8) top, the one end that third belt feeder (6) were kept away from in fourth belt feeder (8) is equipped with wind channel (12), and installs YH-55 high pressure positive blower (9) in wind channel (12), fifth belt feeder (10), sixth belt feeder (11), and YH-55 high pressure positive blower (9) are located fourth belt feeder (8) below and the discharge gate department that the air outlet aimed at fourth belt feeder (8) carries out the selection by winnowing to the material that fourth belt feeder (8) fell down, fifth belt feeder (10) transversely sets up and accepts and carries out the material of selection by winnowing whereabouts with the conveyer, sixth belt (11) are located fifth belt feeder (10) one side and accept and carry out the conveyer to the material that blows off, the one end of fifth belt feeder (10) and the one end of sixth belt feeder (11) are connected with the ninth belt feeder respectively A machine (18) and a seventh belt conveyor (14), wherein the ninth belt conveyor (18) and the seventh belt conveyor (14) respectively transfer and convey materials on one end of the fifth belt conveyor (10) and the sixth belt conveyor (11), an eighth belt conveyor (16) is arranged below one end of the third belt conveyor (6), and the eighth belt conveyor (16) is provided with a ladder-shaped folding screen (17) for screening the materials falling from the third belt conveyor (6), a 7.5-KW high-pressure fan (15) and a net bag (14) are respectively arranged below and at one end of the eighth belt conveyor (16), and the blowing port of the 7.5-KW high pressure fan (15) is laterally aligned with the discharge port of the ladder folded screen (17) and faces the net bag (14), the eighth belt conveyor (16) conveys and stacks undersize of the ladder folded screen (17), and the net bag (14) collects oversize of the ladder folded screen (17).
2. The mixed waste screening device according to claim 1, characterized in that the feeding bar screen (2) is of the type: BTS 150X 300-Vl, throughput 200T/h, and graded particle size 200 mm.
3. The mixed waste screening device according to claim 1, characterized in that the ladder stack screen (17) is of the type: BTS is 150 multiplied by 360-Vl, the treatment capacity is 80-100T/h, and the grading grain diameter is 10 mm.
4. The mixed waste screening treatment device according to claim 1, characterized in that the ninth belt conveyor (18) is rotatably connected with the fifth belt conveyor (10).
5. The mixed waste screening treatment device according to claim 1, characterized in that the fourth belt conveyor (8) is a variable frequency belt conveyor.
6. The mixed garbage screening treatment device as claimed in claim 1, wherein the YH-55 high-pressure fan (9) is an YH-55 variable-frequency high-pressure fan.
7. The mixed garbage screening treatment method is characterized by comprising the following steps:
(1) screening the mixed garbage through a feeding bar screen (2), wherein oversize materials of more than 200mm of the feeding bar screen (2) enter a first belt conveyor (1) and then are manually sorted to obtain combustible materials, and the rest large stones are piled up through the first belt conveyor (1); undersize materials of the feeding bar screen (2) are materials with the size below 200mm, the materials enter a plate-link feeder (3), the materials are conveyed into a secondary roller screen (5) for screening, and humus with the size below 25mm of undersize materials and materials with the size between 25mm and 200mm of oversize materials are screened out;
(2) the material collecting and sorting method comprises the following steps that (1) undersize humus soil of the secondary roller screen (5) is collected by the second belt conveyor (4) to be collected into the third belt conveyor (6), the material is conveyed by the third belt conveyor (6) to enter the ladder pile screen (17), oversize materials 12-25mm enter a 7.5KW high-pressure fan (15) to be subjected to light and heavy sorting, the oversize materials subjected to air separation are combustible materials and enter a net bag (14) to be stacked, and the undersize humus soil of the air separation sieve and the undersize humus soil of the ladder pile screen (17) fall into an eighth belt conveyor (16) to be stacked; materials with the size of 25-200mm on the oversize of the secondary roller screen (5) enter a fourth belt conveyor (8) to be deironized through an iron remover (7) and then enter an air duct (12), a YH-55 high-pressure fan (9) performs light-weight sorting for secondary air separation, materials under the air separation screen are transferred through a fifth belt conveyor (10) and enter a ninth belt conveyor (18) to be manually sorted and sorted to obtain combustible materials, and then the rest stone heads are piled high; the materials on the winnowing sieve enter a settling chamber for settling, and combustible materials are transferred along with a sixth belt conveyor (11) and enter a seventh belt conveyor (13) for stacking.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111430444.5A CN114082755A (en) | 2021-11-29 | 2021-11-29 | Mixed garbage screening treatment device and screening treatment method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111430444.5A CN114082755A (en) | 2021-11-29 | 2021-11-29 | Mixed garbage screening treatment device and screening treatment method |
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| CN114082755A true CN114082755A (en) | 2022-02-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115430682A (en) * | 2022-08-01 | 2022-12-06 | 广东中环智联生态科技有限公司 | Garbage treatment screening system |
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| CN101077496A (en) * | 2007-07-02 | 2007-11-28 | 王为 | Cylinder screening equipment |
| CN205288982U (en) * | 2015-12-08 | 2016-06-08 | 北京中科新元环境技术有限公司 | Humus soil preparator |
| CN110293063A (en) * | 2019-08-07 | 2019-10-01 | 北京首创环境科技有限公司 | A kind of aging garbage sorting system |
| CN213559085U (en) * | 2020-08-14 | 2021-06-29 | 莫西 | Material recycling equipment under stock garbage screen |
| CN112742716A (en) * | 2020-12-22 | 2021-05-04 | 北京首创环境科技有限公司 | High-humidity stale refuse screening system and process method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115430682A (en) * | 2022-08-01 | 2022-12-06 | 广东中环智联生态科技有限公司 | Garbage treatment screening system |
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Application publication date: 20220225 |