CN108927913B - System for municipal waste treatment - Google Patents
System for municipal waste treatment Download PDFInfo
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- CN108927913B CN108927913B CN201810726811.8A CN201810726811A CN108927913B CN 108927913 B CN108927913 B CN 108927913B CN 201810726811 A CN201810726811 A CN 201810726811A CN 108927913 B CN108927913 B CN 108927913B
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- screening platform
- screening
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- negative pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
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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
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
- B29B2017/0213—Specific separating techniques
- B29B2017/0217—Mechanical separating techniques; devices therefor
- B29B2017/0237—Mechanical separating techniques; devices therefor using density difference
- B29B2017/0241—Mechanical separating techniques; devices therefor using density difference in gas, e.g. air flow
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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
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
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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
- Y02W30/62—Plastics recycling; Rubber recycling
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Refuse Collection And Transfer (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a system for treating urban garbage, which comprises a screening platform, a screening platform and a control system, wherein the screening platform is used for placing materials; the material turning device is used for spreading and turning the materials stacked on the screening platform; the conveying track is at least partially arranged above the screening platform; the negative pressure screening component is matched with the conveying track and can adsorb partial materials on the screening platform through negative pressure; the feeding device is used for conveying the materials accumulated on the ground to the screening platform, the quality of the plastic garbage is lighter, so that the plastic garbage is separated from the urban garbage through negative pressure adsorption, the automatic sorting of the materials on the screening platform is realized through the matching of the conveying track and the negative pressure screening part, the working efficiency is high, and the input cost of workers is low; the materials piled on the ground are directly conveyed to the screening platform through the feeding device, manual work or a forklift is not needed for carrying the garbage to be treated, the consumed time is short, and the time and the labor are saved.
Description
Technical Field
The invention belongs to the technical field of municipal engineering, and particularly relates to a system for treating municipal waste.
Background
In the process of city development, a lot of municipal wastes, such as construction wastes, exist, and the wastes easily influence the city appearance and simultaneously easily pollute the environment. Construction waste is generally rich in plastic waste, metal waste and concrete waste. In order to avoid the pollution of the plastic garbage to the environment, the plastic garbage is required to be sorted out before being treated, and the plastic garbage in the garbage is uniformly treated or recycled. However, the traditional plastic garbage sorting is usually carried out manually, the working efficiency is low, and the input cost of workers is high.
Secondly, when carrying out the letter sorting processing, rubbish that will pile up on ground usually need to be removed to the platform of letter sorting through manual work or forklift and on, later carry out the letter sorting operation at the manual work, waste time and energy.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the system for treating the urban garbage, which is time-saving and labor-saving in sorting operation and low in worker input cost.
In order to achieve the purpose, the invention adopts the following technical scheme: a system for municipal waste treatment comprises
The screening platform is used for placing materials;
the material turning device is used for spreading and turning the materials stacked on the screening platform;
the conveying track is at least partially arranged above the screening platform;
the negative pressure screening component is matched with the conveying track and can adsorb partial materials on the screening platform through negative pressure;
and the feeding device is used for conveying the materials stacked on the ground to the screening platform.
According to the invention, the quality of the plastic garbage is lighter, so that the plastic garbage is separated from the urban garbage through negative pressure adsorption, and the automatic sorting of the materials on the sub-screening platform is realized through the matching of the conveying track and the negative pressure screening part, so that the working efficiency is high, and the input cost of workers is low; through the arrangement of the turnover device, the materials on the screening platform can be continuously turned over, the materials stacked on the lower layer can be ensured to be adsorbed by negative pressure, and the residual rate of the plastic waste is reduced; the materials piled on the ground are directly conveyed to the screening platform through the feeding device, manual work or a forklift is not needed for carrying the garbage to be treated, the consumed time is short, and the time and the labor are saved.
Furthermore, the feeding device comprises a material storage cavity arranged in the ground, a feeding hole arranged on the ground and communicated with the material storage cavity, a spiral material pushing rod arranged in the material storage cavity and a lifting component used for conveying the materials in the material storage cavity to the screening platform; the feeding hole is formed in the ground, so that materials accumulated on the ground can directly enter the material storage cavity through the feeding hole; the whole process is automatically operated without investing excessive labor when the lifting part is lifted to the screening platform with higher position, thereby saving time and labor and lowering the investment cost of workers.
Further, the lifting component comprises a guide cylinder arranged in an inclined manner, a screw rod arranged in the guide cylinder, a discharge port arranged at the upper part of the guide cylinder and a guide plate connected with the discharge port, and the guide plate is arranged in an inclined manner from top to bottom; push away the material through the hob, guarantee that the material can be by quick transport to the eminence by the low department, and simple structure, equipment input cost is low.
Furthermore, a grid plate is arranged on the feeding hole; through the setting of net board, shelter from the feed inlet, avoid workman's foot to enter into in the feed inlet, the potential safety hazard is low.
Further, also comprises
The discharge driving device is used for releasing the adsorption of the negative pressure screening component on the materials;
the material discharging rail is used for dropping the material after the negative pressure adsorption is released; through the structure, the materials after being sorted can be automatically discharged, manual control discharging is not needed, operation is simple and convenient, and working efficiency is high.
Further, the negative pressure screening part comprises air suction heads distributed on the conveying track at intervals, a plurality of air suction pipes, air suction connectors communicated with the air suction pipes and air suction pieces communicated with the air suction connectors; each air suction head is correspondingly connected with an air suction pipe; the air is supplied to the plurality of air extracting heads through the same air extracting piece, so that the suction force generated by the air extracting heads is not too large, the air extracting heads are ensured to only be capable of absorbing garbage with light weight such as plastic garbage, the metal or organic garbage with heavy weight is ensured not to be adsorbed by negative pressure, the metal or organic garbage is prevented from being mixed into the recycled plastic garbage, and the recycling and processing of the plastic garbage are facilitated; and only one air pumping piece is arranged, so that the energy consumption can be effectively reduced.
Furthermore, the exhaust head is provided with an opening and a channel communicated with the opening, and the discharge driving device comprises a piston piece which can move back and forth and is arranged in the channel, a moving rod which is arranged on the exhaust head in a penetrating way and is connected with the piston piece, a pressing part arranged on the moving rod, a reset piece acting on the pressing part and a contact piece which is arranged on the side part of the conveying track and is matched with the pressing part; an air port communicated with the channel is arranged on the air suction head corresponding to the position above the piston piece; when the conveying track drives the air pumping head to move to the position of the abutting part, the abutting part pushes the pressing part to move so as to drive the moving rod to drive the piston part to move, so that the piston part closes the channel, in this case, the suction force of the air pumping head on the plastic garbage disappears, the plastic garbage falls off from the air pumping head, and then the plastic garbage is discharged; the structure is simple, a complex control structure is not required to be arranged, the assembly is convenient, and the cost investment is low; the channel is closed through the hard matching of the abutting part and the pressing part, compared with an electric control mode, the channel closing device is good in closing effect, high in stability, low in failure rate and not prone to the situation that the channel cannot be closed; the reset piece can drive the moving rod to drive the piston piece to move to the original state after the pressing part leaves the position of the abutting piece, and then the channel is continuously opened, so that the air pumping head can work again and is put into the next round of sorting operation; when the piston part closes the channel, gas can be pumped into the air pumping part from the gas port, so that the air pumping part does not need to be controlled to start and stop, the air pumping part can continuously work all the time, and the air pumping part is prevented from being broken down due to frequent switching; under this kind of structure, guaranteed to realize that one of them head of bleeding closes, and other heads of bleeding still appear the negative pressure state of breathing in, cause the influence to other operating condition of taking out the gas head when avoiding the ejection of compact.
In summary, the invention has the following advantages: the plastic garbage is light in weight, so that the plastic garbage is separated from the urban garbage through negative pressure adsorption, automatic sorting of materials on the sub-screening platform is realized through the matching of the conveying track and the negative pressure screening part, the working efficiency is high, and the investment cost of workers is low; the materials piled on the ground are directly conveyed to the screening platform through the feeding device, manual work or a forklift is not needed for carrying the garbage to be treated, the consumed time is short, and the time and the labor are saved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of a portion of the structure of the present invention.
Fig. 3 is a schematic diagram of the cooperation of the conveying track and the negative pressure screening part in the invention.
Fig. 4 is an enlarged view at B in fig. 1.
Fig. 5 is a partially enlarged view of fig. 1.
Fig. 6 is a schematic structural view of the channel of the gas extraction head in a conducting state.
Figure 7 is a schematic diagram of the structure of the suction head channel in the cut-off state in the present invention.
Fig. 8 is a schematic structural view of the interference member of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
As shown in fig. 1-8, a system for municipal waste treatment comprises a screening platform 1, a material turning device, a conveying rail 2, a negative pressure screening part, a discharging driving device, a discharging rail 6 and a feeding device; the collected urban garbage is placed on a screening platform 1, and the material turning device is used for spreading and turning the materials stacked on the screening platform 1; the plastic garbage is light in weight, so that the plastic garbage is separated from the urban garbage through negative pressure adsorption, automatic sorting of materials on the sub-screening platform is realized through the matching of the conveying track and the negative pressure screening part, the working efficiency is high, and the investment cost of workers is low; and through the arrangement of the turnover device, the materials on the screening platform can be continuously turned over, the materials stacked on the lower layer can be adsorbed by negative pressure, and the residual rate of the plastic garbage is reduced.
The feeding device is used for conveying the materials stacked on the ground to the screening platform 1; specifically, the feeding device comprises a storage cavity 61, a feeding hole 62, a spiral pushing rod 63 and a lifting component, wherein the storage cavity 61 is arranged in the ground, the spiral pushing rod 63 is a metal spiral rod purchased from the market, the spiral pushing rod 63 is arranged in the storage cavity, the spiral pushing rod 63 is connected with a motor, and the spiral pushing rod 63 is driven to rotate by the motor; the feed port 62 is arranged on the ground, is communicated with the storage cavity and is positioned above the spiral pushing rod 63, so that materials can enter the storage cavity from the feed port and are conveyed by the spiral pushing rod 63; preferably, a metal mesh plate 621 is disposed on the feed port 62.
The lifting component is used for conveying the materials in the material storage cavity 61 to the screening platform 1; specifically, the lifting component comprises a guide cylinder 71 made of metal, a screw rod 72, a discharge hole 73 and a guide plate 74, wherein the guide cylinder is obliquely arranged, the screw rod 72 is a metal screw rod directly purchased from the market, the discharge hole 73 is arranged at the upper part of the guide cylinder, the screw rod 72 is connected with a motor, the motor drives the screw rod 72 to rotate, and then the material is conveyed to the discharge hole from the material storage cavity; the material guide plate 74 is fixedly arranged at the position of the material outlet, and the material guide plate 74 is obliquely arranged from top to bottom, so that material guiding is facilitated.
The conveying track 2 comprises a plurality of connecting pieces 21, two groups of gear pieces 22, a driving piece 24 and a bracket 23, wherein the connecting pieces 21 are preferably made of metal, and the middle parts of the connecting pieces 21 are provided with openings for the teeth on the gear pieces to pass through; the connecting pieces 21 are sequentially hinged end to form a metal chain belt, and at least part of the metal chain belt is positioned above the screening platform 1; the two groups of gear pieces 22 are limited on the positions higher than the screening platform 1 through a bracket 23, the two groups of gear pieces 22 are respectively arranged on the left side and the right side of the bracket, each group of gear pieces 22 comprises two metal gears, and a metal chain belt formed by a plurality of connecting pieces is sleeved on the 4 gears; the driving piece is a motor directly purchased from the market, and the model is not particularly limited; the driving piece is connected with one of the gear pieces, so that when the driving piece works, the gear pieces can be driven to rotate, a metal chain belt formed by the connecting pieces is driven to rotate, and the movement of the conveying track is realized; each connecting piece can be connected with an air suction head, so that the air suction head is not influenced in the moving process of the conveying track; secondly, owing to set up a plurality of air exhaust heads, and every air exhaust head independently connects the exhaust tube, and then even one of them or several air exhaust head break down, remaining air exhaust head still can work, long service life, the fault rate is low.
The negative pressure screening part is used for being matched with the conveying track 2 so as to adsorb partial materials on the screening platform 1 through negative pressure and separate plastic garbage in the materials on the screening platform 1; specifically, the negative pressure screening part comprises a plurality of air suction heads 31, a plurality of air suction pipes 32, an air suction connector 33, an air suction piece 34 and a support frame 35; the plurality of air suction heads 31 are uniformly distributed on the conveying track at intervals, and preferably, one air suction head 31 is fixedly connected to one connecting piece; each air suction head 31 is correspondingly connected with an air suction pipe 32, and the other ends of the air suction pipes 32 are communicated with the air suction connector 33; the air is supplied to the plurality of air extracting heads through the same air extracting piece, so that the suction force generated by the air extracting heads is not too large, the air extracting heads are ensured to only be capable of absorbing garbage with light weight such as plastic garbage, the metal or organic garbage with heavy weight is ensured not to be adsorbed by negative pressure, the metal or organic garbage is prevented from being mixed into the recycled plastic garbage, and the recycling and processing of the plastic garbage are facilitated; only one air pumping piece is arranged, so that energy consumption can be effectively reduced;
the supporting frame 35 is made of metal and is rotatably arranged on the bracket 23 in a penetrating manner, and the supporting frame 35 is connected with a rotating shaft of one of the gear pieces through a belt 351, so that the transmission connection between the supporting frame and the gear piece is realized; the air extracting piece 34 is arranged on the supporting frame 35, the air extracting piece 34 is an air extractor directly purchased from the market, and the specific model is not limited; the air exhaust connector is fixedly connected with the support frame 35 through a screw joint and is communicated with the air exhaust part through a hose; when the conveying track is driven by the gear piece to rotate, the support frame is also driven by the gear piece to rotate, and then the air exhaust connector rotates along with the rotation rhythm of the conveying track, so that the air exhaust pipes cannot be wound mutually; preferably, the air exhaust pipe 32 is arranged in a spiral structure, so that the air exhaust pipe does not partially sag in the arrangement process, and the possibility of mutual winding among the air exhaust pipes is reduced; secondly, the air exhaust pipe can deform to a certain degree due to the spiral shape, so that even if the moving speed of the air exhaust head slightly deviates from the rotating speed of the air exhaust connector, the air exhaust pipe can ensure the communication between the air exhaust head and the air exhaust connector, and the situation that the air exhaust pipe is too short and is separated from the air exhaust head is avoided; secondly, even if the exhaust pipe is stretched, the exhaust pipe can still be ensured not to droop, and the winding condition of the exhaust pipe is ensured not to occur.
The discharge driving device is used for relieving the adsorption of the negative pressure screening part on the materials, so that the materials adsorbed on the negative pressure screening part can fall off the negative pressure screening part under the driving of the discharge driving device after moving to the position of the discharge rail 6 along with the conveying rail, and then fall off the discharge rail 6; the discharging rail 6 is used for conveying the materials outwards after the materials with negative pressure adsorption removed fall onto the discharging rail 6; specifically, the side walls of the air extraction head 31 are provided with a cylindrical opening 311, and a channel 312 communicated with the opening is arranged in the air extraction head 31; the discharging driving device comprises a piston part 41, a moving rod 42, a pressing part 43, a resetting part 44 and a butting part 45, wherein the piston part 41 is a metal ball, the piston part 41 can be arranged in the channel in a front-back action manner, one end of the moving rod 42 penetrates through an opening on the air extracting head 31, penetrates into the channel and is connected with the piston part, and the other end of the moving rod is positioned outside the air extracting head; the pressing part 43 is made of metal or plastic, and the pressing part 43 is fixedly connected to one end of the moving rod penetrating out of the air extracting head; the contact piece 45 is an extension column arranged on the side part of the conveying track 2, the upper part of the extension column is fixedly connected with the bracket, and the lower part of the extension column is provided with a convex part protruding to the extension column; the distance between the convex part and the air extracting head is smaller than the distance between the pressing part and the outer wall of the air extracting head, so that the convex part can extrude the pressing part in the moving process of the conveying track, and the moving rod drives the piston part to move; preferably, one end of the contact element 45 close to the conveying track 2 is provided with a cambered surface structure; further, an air port 313 is arranged on the air suction head 31, the position of the air port 313 corresponds to the position above the piston member 41, and the air port 313 is communicated with the channel 312;
when the conveying track drives the air pumping head to move to the position of the abutting part, the abutting part pushes the pressing part to move so as to drive the moving rod to drive the piston part to move, so that the piston part closes the channel, in this case, the suction force of the air pumping head on the plastic garbage disappears, the plastic garbage falls off from the air pumping head, and then the plastic garbage is discharged; the structure is simple, a complex control structure is not required to be arranged, the assembly is convenient, and the cost investment is low; the channel is closed through the hard matching of the abutting part and the pressing part, compared with an electric control mode, the channel closing device is good in closing effect, high in stability, low in failure rate and not prone to the situation that the channel cannot be closed; the reset piece can drive the moving rod to drive the piston piece to move to the original state after the pressing part leaves the position of the abutting piece, and then the channel is continuously opened, so that the air pumping head can work again and is put into the next round of sorting operation; when the piston part closes the channel, gas can be pumped into the air pumping part from the gas port, so that the air pumping part does not need to be controlled to start and stop, the air pumping part can continuously work all the time, and the air pumping part is prevented from being broken down due to frequent switching; under this kind of structure, guaranteed to realize that one of them head of bleeding closes, and other heads of bleeding still appear the negative pressure state of breathing in, cause the influence to other operating condition of taking out the gas head when avoiding the ejection of compact.
Further, a flexible layer 411 is arranged on the outer wall of the piston member 41, and the flexible layer 411 is made of rubber and is fixedly connected to the outer wall of the piston member through bonding; a groove 314 is arranged on the inner wall of the channel 312, the opening 311 is communicated with the groove 314, and the inner surface of the groove 314 is arranged in a spherical structure; through the arrangement of the groove, the piston piece has enough moving space in the channel, so that the channel is not closed by the piston piece in the initial state, and the normal operation of the air suction head is ensured; through the arrangement of the flexible layer, when the piston piece closes the channel, the piston piece is matched with the inner wall of the channel more tightly, the channel is well stopped, and the flexible layer can reduce the impact degree between the piston piece and the inner wall of the channel and the damage degree of the piston piece; secondly, the inner wall of the groove can be completely attached to the piston piece by arranging the groove into a spherical structure, and the piston piece can be in sealing fit with the opening at the end part of the groove even if the piston piece moves to a position for stopping the channel, so that the condition that the channel cannot be effectively stopped due to air leakage is avoided; preferably, the radian of the spherical surface is the same as that of the spherical surface of the piston piece, so that when the piston piece moves to a position away from the groove, the flexible layer and the groove can be in sealing fit to stop the gas circulation.
The material turning device comprises two side plates 51 and a material turning plate 52, the two side plates 51 are respectively arranged on the left side and the right side of the screening platform 1, and the material turning plate 52 can be made of metal, has a certain width and has a distance with the upper surface of the screening platform 1; the condition that the large garbage is pushed to the single side of the screening platform by the material turning plate due to the fact that the distance between the turning rod and the screening platform is too short occurs, the garbage can be uniformly distributed on the screening platform, the plastic garbage can be sorted out, and sorting residual rate is low; the left end and the right end of the material turning plate 52 are respectively matched with the side plates 51, specifically, the two side plates 51 are respectively provided with a rodless cylinder, the left end and the right end of the material turning plate 52 are respectively connected with magnetic ring sleeves of the rodless cylinders on the two side plates, and then the material is driven by the rodless cylinders to move back and forth along the side plates, so that the material on the split-screening platform 1 is turned.
Preferably, the air extraction head 31 is arranged in a T-shaped structure, and the channel 312 in the air extraction head 31 is also arranged in a T-shaped structure; the bottom of the air suction head 31 is disc-shaped, a plurality of air suction holes 315 are uniformly distributed on the disc at intervals, and the air suction holes 315 are communicated with the channel 312; under this kind of structure, when adsorbing the material through pumping head, the material of a kind of plastic film can not be inhaled to pumping head in, avoids appearing pumping head and is blocked up the condition.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (1)
1. A system for municipal waste treatment, characterized in that: comprises a screening platform (1) for placing materials; the material turning device is used for spreading and turning the materials stacked on the screening platform (1); the conveying track (2) is at least partially arranged above the screening platform (1); the conveying track (2) comprises a plurality of connecting pieces (21), two groups of gear pieces (22), a driving piece (24) and a support (23), the connecting pieces (21) are made of metal, and the middle parts of the connecting pieces (21) are provided with openings for the teeth on the gear pieces to pass through; the end to end of the connecting pieces (21) are sequentially hinged to form a metal chain belt, and at least part of the metal chain belt is positioned above the screening platform (1); the two groups of gear parts (22) are limited to be higher than the screening platform (1) through a support (23), the two groups of gear parts (22) are respectively arranged on the left side and the right side of the support, each group of gear parts (22) comprises two metal gears, and a metal chain belt formed by a plurality of connecting pieces is sleeved on the 4 gears; the negative pressure screening component is matched with the conveying track (2) and can adsorb and screen partial materials on the screening platform (1) through negative pressure; the feeding device is used for conveying the materials stacked on the ground to the screening platform (1);
the feeding device comprises a storage cavity (61) arranged in the ground, a feeding hole (62) arranged on the ground and communicated with the storage cavity, a spiral material pushing rod (63) arranged in the storage cavity and a lifting component used for conveying the materials in the storage cavity (61) to the screening platform (1);
the lifting component comprises a material guide cylinder (71) which is obliquely arranged, a screw rod (72) which is arranged in the material guide cylinder, a discharge hole (73) which is arranged at the upper part of the material guide cylinder and a material guide plate (74) which is connected with the discharge hole, wherein the material guide plate (74) is obliquely arranged from top to bottom;
a grid plate (621) is arranged on the feeding hole (62);
the discharge driving device is used for releasing the adsorption of the negative pressure screening component on the materials;
the discharging rail (6) is used for dropping the material subjected to negative pressure adsorption release onto the discharging rail (6);
the negative pressure screening part comprises air suction heads (31) distributed on the conveying track at intervals, a plurality of air suction pipes (32), an air suction connector (33) communicated with the air suction pipes and an air suction piece (34) communicated with the air suction connector; each air extraction head (31) is correspondingly connected with an air extraction pipe (32);
the discharging driving device comprises a piston piece (41) which can move back and forth and is arranged in the channel, a moving rod (42) which is arranged on the gas extraction head (31) in a penetrating way and is connected with the piston piece, a pressing part (43) which is arranged on the moving rod, a resetting piece (44) which acts on the pressing part and a contact piece (45) which is arranged on the side part of the conveying track (2) and is matched with the pressing part, wherein the gas extraction head (31) is provided with a hole (311) and a channel (312) which is communicated with the hole; the air exhaust head (31) is arranged in a T-shaped structure, and a channel (312) in the air exhaust head (31) is also arranged in a T-shaped structure; the bottom of the air suction head (31) is disc-shaped, a plurality of air suction holes (315) are uniformly distributed on the disc at intervals, and the air suction holes (315) are communicated with the channel (312); the outer wall of the piston piece (41) is provided with a flexible layer (411), and the flexible layer (411) is made of rubber and fixedly connected to the outer wall of the piston piece through bonding; a groove (314) is formed in the inner wall of the channel (312), the opening (311) is communicated with the groove (314), and the inner surface of the groove (314) is arranged in a spherical structure; an air port (313) communicated with the channel (312) is arranged on the air suction head (31) corresponding to the position above the piston piece (41);
the material turning device comprises two side plates (51) and a material turning plate (52), the two side plates (51) are respectively arranged on the left side and the right side of the screening platform (1), the material turning plate (52) can be made of metal, has a certain width, and has a distance with the upper surface of the screening platform (1); the left end and the right end of the material turning plate (52) are respectively matched with the side plates (51), specifically, the two side plates (51) are respectively provided with a rodless cylinder, and the left end and the right end of the material turning plate (52) are respectively connected with the magnetic ring sleeves of the rodless cylinders on the two side plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810726811.8A CN108927913B (en) | 2018-07-04 | 2018-07-04 | System for municipal waste treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810726811.8A CN108927913B (en) | 2018-07-04 | 2018-07-04 | System for municipal waste treatment |
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| Publication Number | Publication Date |
|---|---|
| CN108927913A CN108927913A (en) | 2018-12-04 |
| CN108927913B true CN108927913B (en) | 2020-12-11 |
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| CN201810726811.8A Active CN108927913B (en) | 2018-07-04 | 2018-07-04 | System for municipal waste treatment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203886662U (en) * | 2014-06-03 | 2014-10-22 | 曲靖云电投新能源发电有限公司 | Municipal solid waste sorting device |
| CN105921494A (en) * | 2016-06-13 | 2016-09-07 | 刘志孟 | Domestic rubbish disposal system |
| CN205816209U (en) * | 2016-07-08 | 2016-12-21 | 江苏三色环境科技有限公司 | Categorized consumer waste conveyer device |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203886662U (en) * | 2014-06-03 | 2014-10-22 | 曲靖云电投新能源发电有限公司 | Municipal solid waste sorting device |
| CN105921494A (en) * | 2016-06-13 | 2016-09-07 | 刘志孟 | Domestic rubbish disposal system |
| CN205816209U (en) * | 2016-07-08 | 2016-12-21 | 江苏三色环境科技有限公司 | Categorized consumer waste conveyer device |
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