Garbage earlier-stage treatment device of garbage incineration system

Abstract

The utility model discloses a garbage earlier-stage treatment device of a garbage incineration system. The garbage earlier-stage treatment device comprises a garbage bag breaking assembly, a feeding conveying belt, a crushing assembly, a dewatering assembly and a discharging conveying belt. The garbage bag breaking assembly is used for breaking packaging bags of garbage and scattering the garbage into the feeding conveying belt. The feeding conveying belt is used for conveying the garbage dispersed by the garbage bag breaking assembly to the crushing assembly; the crushing assembly is used for crushing the dispersed garbage into garbage fragments; the dewatering assembly is used for dewatering the garbage fragments and conveying the dewatered garbage fragments to the discharging conveying belt; and the discharging conveying belt is used for outputting the dehydrated garbage fragments. According to the garbage incinerator, garbage can be crushed into the preset size, the garbage is dewatered, the problems of insufficient combustion, more residues and long consumed time are solved, meanwhile, the problem that wet garbage affects the garbage combustion temperature is avoided, and the garbage treatment efficiency and the environment-friendly performance of the incinerator are improved.

Description

Technical Field

[0001] This utility model relates to the field of waste treatment technology, specifically to a waste pretreatment device for a waste incineration system. Background Technology

[0002] Traditionally, landfilling has been the primary method for treating solid waste. However, practice has shown that landfilling causes significant environmental pollution, directly contaminating groundwater and severely polluting land resources while also occupying a large amount of land. It was later discovered that incinerating waste has a lower environmental impact.

[0003] Currently, incinerators typically burn entire bags of garbage directly into the furnace. This method has the following problems:

[0004] 1. Failure to crush the waste results in incomplete combustion of large pieces of waste, leaving more residue and poor environmental performance; moreover, the incineration of large pieces of waste takes longer, affecting the efficiency of waste treatment.

[0005] 2. The lack of a dehydration device means that wet waste is directly poured into the waste incinerator, which can easily lead to unstable combustion temperature and affect combustion efficiency. Utility Model Content

[0006] To address some or all of the problems existing in the prior art, this utility model provides a waste pretreatment device for a waste incineration system, comprising a waste bag breaking assembly, a feeding conveyor belt, a crushing assembly, a dehydration assembly, and a discharge conveyor belt connected in sequence. The waste bag breaking assembly is used to break open the waste packaging bags and disperse the waste onto the feeding conveyor belt. The feeding end of the feeding conveyor belt is connected to the waste bag breaking assembly, and the discharging end of the feeding conveyor belt is connected to the crushing assembly. The feeding conveyor belt is used to transport the dispersed waste from the waste bag breaking assembly to the crushing assembly. The crushing assembly is used to crush the dispersed waste into waste fragments of a preset size. The dehydration assembly is used to dehydrate the waste fragments and transport the dehydrated waste fragments to the discharge conveyor belt. The discharge conveyor belt is used to output the dehydrated waste fragments.

[0007] As a further improvement of this utility model, the garbage bag breaking assembly includes a storage rack, on which a receiving trough and a bag breaking driving device are provided. The receiving trough is provided with an inlet, and the storage rack is provided with a discharge outlet. The discharge outlet is located directly above the feeding conveyor belt. The bag breaking driving device can break the garbage at the inlet and roll the garbage into the discharge outlet.

[0008] As a further improvement of this utility model, the bag-breaking driving device includes a bag-breaking motor assembly, a drive shaft, and a driven shaft. The output end of the bag-breaking motor assembly is connected to the drive shaft. A drive gear is sleeved on the drive shaft, and a driven gear is sleeved on the driven shaft. The drive gear and the driven gear are meshed together. The outer side wall of the drive shaft is provided with a plurality of first bag-breaking teeth, and the outer side wall of the driven shaft is provided with a plurality of second bag-breaking teeth. The first bag-breaking teeth and the second bag-breaking teeth are staggered.

[0009] As a further improvement of this utility model, multiple partition plates are provided on the storage rack at positions corresponding to the discharge port. The partition plates are staggered with the first and second bag-breaking teeth, and the partition plates prevent large pieces of garbage from entering the discharge port.

[0010] As a further improvement of this utility model, the crushing assembly includes a fixed frame, on which a crushing motor assembly and a crushing rack are provided. The crushing rack is provided with a feeding hopper located directly below the feeding conveyor belt. A cutter wheel assembly is provided inside the crushing rack, and the cutter wheel assembly is connected to the output end of the crushing motor assembly.

[0011] As a further improvement of this utility model, the cutter wheel assembly includes a driving cutter wheel and a driven cutter wheel. The driving cutter wheel is connected to the output end of the crushing motor assembly, and the driving cutter wheel and the driven cutter wheel are connected through a gear set. Fixed cutters are respectively provided on the crushing rack at positions corresponding to the driving cutter wheel and the driven cutter wheel, and the fixed cutters are adjustablely limited to the crushing rack.

[0012] As a further improvement of this utility model, the dewatering assembly includes a dewatering motor assembly, a spiral blade shaft, and a dewatering pipe, all of which are connected to the fixed frame. The spiral blade shaft is located below the crushing frame. The output end of the dewatering motor assembly is connected to the spiral blade shaft and can drive the spiral blade shaft to rotate. The dewatering pipe is sleeved around the spiral blade shaft and is clearance-fitted with the spiral blade shaft. The dewatering pipe is provided with a water outlet hole.

[0013] As a further improvement of this utility model, a conical dewatering block is sleeved at the end of the spiral blade shaft, the conical dewatering block is slidably connected to the spiral blade shaft, and the conical dewatering block is clearance-fitted with the dewatering pipe.

[0014] As a further improvement of this utility model, the fixing frame is provided with a conical water collection trough, which is located below the squeezing pipe, and the lower end of the conical water collection trough is provided with a drain pipe.

[0015] As a further improvement of this utility model, the fixed frame is provided with a steering assembly, which includes a steering drive mechanism and a steering conveyor belt. The steering drive mechanism can drive the steering conveyor belt to rotate on the fixed frame. The steering conveyor belt is located directly below the crushing assembly. One end of the steering conveyor belt is connected to the input end of the dewatering assembly, and the other end of the steering conveyor belt is connected to the output end of the dewatering assembly.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] 1. This utility model can break open the packaging bag of garbage through the garbage bag breaking component, and then crush the garbage into a preset size through the crushing component; it can solve the problems of incomplete combustion of large pieces of garbage, excessive residue, and long time consumption, and can improve the efficiency of garbage treatment and the environmental performance of the incinerator.

[0018] 2. The dehydration component can dehydrate wet waste, which can solve the problem of wet waste affecting the combustion temperature of waste, improve combustion efficiency, and thus improve waste treatment efficiency. Attached Figure Description

[0019] To more clearly illustrate the solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the garbage bag breaking component in an embodiment of this utility model;

[0022] Figure 3 This is a schematic diagram of the internal structure of the garbage bag breaking component in an embodiment of this utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the material crushing component in an embodiment of this utility model;

[0024] Figure 5 This is a schematic diagram of the internal structure of the material crushing component in an embodiment of this utility model;

[0025] Figure 6 This is a schematic diagram of the dehydration component in an embodiment of this utility model;

[0026] Figure 7 This is a schematic diagram of the internal structure of the dehydration component in an embodiment of this utility model;

[0027] Figure 8 This is a schematic diagram of the steering component in an embodiment of this utility model. Detailed Implementation

[0028] Unless otherwise defined, all technical and scientific terms used in this invention have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains; the terminology used in the specification is for the purpose of describing particular embodiments only and is not intended to limit the invention; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and accompanying drawings of this invention are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or accompanying drawings of this invention are used to distinguish different objects, not to describe a particular order.

[0029] In this invention, the reference to "embodiment" means that a specific feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this invention. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it a mutually exclusive, independent, or alternative embodiment to other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described in this invention can be combined with other embodiments.

[0030] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0031] like Figure 1-8 As shown, a waste pretreatment device for a waste incineration system includes a waste bag breaking assembly 1, a feeding conveyor belt 2, a crushing assembly 3, a dewatering assembly 4, and a discharge conveyor belt 5 connected in sequence. The waste bag breaking assembly 1 is used to break open the waste packaging bags and disperse the waste onto the feeding conveyor belt 2; the feeding end of the feeding conveyor belt 2 is connected to the waste bag breaking assembly 1, and the discharging end of the feeding conveyor belt 2 is connected to the crushing assembly 3. The feeding conveyor belt 2 is used to transport the dispersed waste from the waste bag breaking assembly 1 to the crushing assembly 3; the crushing assembly 3 is used to crush the dispersed waste into waste pieces of a preset size; the dewatering assembly 4 is used to dewater the waste pieces and convey the dewatered waste pieces onto the discharge conveyor belt 5; the discharge conveyor belt 5 is used to output the dewatered waste pieces.

[0032] During operation, the entire bag of garbage is fed into the garbage bag breaking component 1, which breaks open the garbage bag and disperses the garbage onto the feeding conveyor belt 2. The feeding conveyor belt 2 then transports the dispersed garbage to the crushing component 3. The crushing component 3 crushes the large pieces of garbage into pre-sized garbage fragments. The crushed garbage fragments then fall into the dewatering component 4, where they are dehydrated to remove moisture. The dehydrated garbage then falls onto the discharge conveyor belt 5, which then sends it out of the garbage pretreatment device.

[0033] Therefore, it is evident that after the waste pretreatment device breaks down the bags, shreds, and dehydrates the waste, each piece of waste is relatively small and consists entirely of dry waste. When this waste is then fed into the incinerator, there is no need to worry about wet waste affecting combustion. It also solves the problems of incomplete combustion of large pieces of waste, resulting in excessive residue and prolonged combustion time. This improves waste processing efficiency and enhances the environmental performance of the waste incinerator.

[0034] like Figure 2 , Figure 3 As shown, the waste bag breaking assembly 1 includes a storage rack 11 with four legs at its lower end for stable placement on the ground. The storage rack 11 is equipped with a receiving trough 12 and a bag breaking drive device. The receiving trough 12 has an inlet 13, and the storage rack 11 has a discharge port 14, located directly above the feeding conveyor belt 2. The bag breaking drive device breaks the waste bags at the inlet 13 and rolls the waste into the discharge port 14. During processing, the operator puts the entire bag of waste into the receiving trough 12 and pushes it into the inlet 13. The bag breaking drive device breaks open the outer packaging bags and various wrapping materials, causing the waste to scatter. The scattered waste falls through the discharge port 14 onto the feeding conveyor belt 2, which then transports it to the next workstation.

[0035] Specifically, the bag-breaking drive device includes a bag-breaking motor assembly 15, a drive shaft 16, and a driven shaft 17. The bag-breaking motor assembly 15 is a motor and reducer assembly. The output end of the bag-breaking motor assembly 15 is connected to the drive shaft 16, and the bag-breaking motor assembly 15 can drive the drive shaft 16 to rotate. A drive gear 18 is sleeved on the drive shaft 16, and a driven gear 19 is sleeved on the driven shaft 17. The drive gear 18 and the driven gear 19 are meshed together. The outer side wall of the drive shaft 16 is provided with a plurality of first bag-breaking teeth 110, and the outer side wall of the driven shaft 17 is provided with a plurality of second bag-breaking teeth 111. The first bag-breaking teeth 110 and the second bag-breaking teeth 111 are staggered. During operation, after the operator puts the entire bag of garbage into the inlet 13, the bag-breaking motor assembly 15 drives the drive shaft 16 to rotate. The drive shaft 16 drives the driven shaft 17 to rotate synchronously. The rotation of the second bag-breaking tooth 111 will puncture the entire bag of garbage in the inlet 13 and roll it into the storage rack 11. As the drive shaft 16 and the driven shaft 17 rotate, the garbage packaging bag or package will be torn. Because the drive shaft 16 and the driven shaft 17 are connected by the drive gear 18 and the driven gear 19, the first bag-breaking tooth 110 and the second bag-breaking tooth 111 rotate in opposite directions. When rotating, the first bag-breaking tooth 110 and the second bag-breaking tooth 111 tear the garbage packaging bag or package with each other, which easily tears the garbage packaging bag and package. After the garbage scatters, it will fall from the gap between the first bag-breaking tooth 110 and the second bag-breaking tooth 111 into the discharge port 14 under its own gravity, and then fall onto the feeding conveyor belt 2 through the discharge port 14.

[0036] To reduce the amount of large pieces of waste falling from the discharge port 14, multiple partition plates 112 are installed on the storage rack 11 at positions corresponding to the discharge port 14. The partition plates 112 are staggered with the first bag-breaking teeth 110 and the second bag-breaking teeth 111, preventing large pieces of waste from entering the discharge port 14. During operation, the first bag-breaking teeth 110 and the second bag-breaking teeth 111 rotate relative to each other, pushing various pieces of waste that are stuck together onto the partition plates 112. The partition plates 112 break these pieces of waste into smaller, dispersed pieces. These dispersed pieces of waste can pass through the gaps between the partition plates 112 and then fall onto the feeding conveyor belt 2 through the discharge port 14. By setting up the partition plates 112, the stuck pieces of waste can be dispersed into smaller pieces, facilitating subsequent crushing and dehydration.

[0037] like Figure 4 , Figure 5As shown, the crushing assembly 3 includes a fixed frame 6, with multiple support legs installed at the lower end of the fixed frame 6, which can stably place it on the ground or table. The fixed frame 6 is fixedly installed with a crushing motor assembly 31 and a crushing rack 32. The crushing motor assembly 31 is a motor and reducer assembly. The crushing rack 32 is equipped with a feed hopper 33, which is located directly below the discharge end of the feeding conveyor belt 2. The crushing rack 32 is equipped with a cutter wheel assembly, which is connected to the output end of the crushing motor assembly 31. The crushing motor assembly 31 can drive the cutter wheel assembly to rotate.

[0038] During operation, the feeding conveyor belt 2 transports the scattered waste to the top of the feed hopper 33. The waste falls into the feed hopper 33 under its own gravity and then onto the cutter wheel assembly. The cutter wheel assembly is driven to rotate by the crushing motor assembly 31, which crushes the waste into small pieces. The crushed waste pieces fall onto the dewatering assembly 4.

[0039] The cutter wheel assembly includes a driving cutter wheel 34 and a driven cutter wheel 35. The driving cutter wheel 34 is connected to the output end of the crushing motor assembly 31, which drives the driving cutter wheel 34 to rotate. The driving cutter wheel 34 and the driven cutter wheel 35 are connected by a gear set, and the driven cutter wheel 35 rotates synchronously with the driving cutter wheel 34, but in opposite directions. Multiple cutting teeth 36 are mounted on both the driving cutter wheel 34 and the driven cutter wheel 35, and the cutting teeth 36 on the driving cutter wheel 34 and the driven cutter wheel 35 are staggered. Fixed cutters 37 are respectively provided on the inner wall of the crushing rack 32 at positions corresponding to the driving cutter wheel 34 and the driven cutter wheel 35, and the fixed cutters 37 are adjustablely limited and connected to the crushing rack 32. During operation, scattered waste falls from the feed hopper 33 onto the active cutter wheel 34 and the driven cutter wheel 35. The active cutter wheel 34 is driven to rotate by the crushing motor assembly 31, and the active cutter wheel 34 drives the driven cutter wheel 35 to rotate synchronously, causing the cutting teeth 36 to rotate. Each cutting tooth 36 will roll up the waste and cooperate with the fixed blade 37 to break large pieces of waste into waste fragments. The broken waste fragments will pass through the gap between the fixed blade 37 and the cutting teeth 36, and then fall out of the crushing rack 32 and onto the dewatering assembly 4.

[0040] To adjust the size of the scrap, adjusting bolts 38 are provided on the side wall of the scraper 32 at corresponding positions to each fixed blade 37. The adjusting bolts 38 are threadedly connected to the scraper 32. The scraper 32 has a slot 321, and the fixed blade 37 is movably engaged with the slot 321. The fixed blade 37 has a tension spring 39 inside, and its two ends abut against the fixed blade 37 and the adjusting bolt 38, respectively. By setting the tension spring 39, the fixed blade 37 and the scraper 32 are in elastic contact, which can protect the fixed blade 37 and the cutting teeth 36 and extend their service life. On the other hand, by rotating the adjusting bolt 38, the length of the adjusting bolt 38 extending into the scraper 32 can be adjusted. This allows the tension spring 39 to be adjusted to extend or retract from the scraper 32. The tension spring 39 will push the fixed blade 37 closer to or further away from the cutting teeth 36, thereby achieving the purpose of adjusting the size of the scrap fragments after cutting and improving the versatility of processing.

[0041] like Figure 6 , Figure 7 As shown, the dewatering assembly 4 includes a dewatering motor assembly 41, a spiral blade shaft 42, and a dewatering pipe 43, which are respectively mounted on the fixing frame 6. The spiral blade shaft 42 is located below the crushing frame 32. The output end of the dewatering motor assembly 41 is connected to the spiral blade shaft 42 and can drive the spiral blade shaft 42 to rotate. The dewatering pipe 43 is sleeved on the periphery of the spiral blade shaft 42 and is clearance-fitted with the spiral blade shaft 42. The dewatering pipe 43 is provided with a water outlet hole 44. During operation, the crushed waste fragments on the crushing rack 32 fall onto the spiral blade shaft 42. The spiral blade shaft 42 is driven to rotate by the dewatering motor assembly 41, and the spiral blades on the spiral blade shaft 42 push the waste fragments to move, causing the waste fragments to enter the dewatering pipe 43. Due to the clearance fit between the spiral blade shaft 42 and the dewatering pipe 43, the waste will be squeezed against the side wall of the dewatering pipe 43 after entering the dewatering pipe 43, and the water in the waste will be squeezed out through the side wall of the dewatering pipe 43, thus achieving the purpose of dewatering the waste. The squeezed water flows out through the water outlet hole 44 on the dewatering pipe 43. The dewatered waste will move with the rotation of the spiral blade shaft 42 until it reaches the end of the spiral blade shaft 42, and will fall from the end of the spiral blade shaft 42 onto the discharge conveyor belt 5.

[0042] To improve dehydration capacity, a conical squeezing block 45 is fitted at the end of the spiral blade shaft 42. The conical squeezing block 45 is slidably connected to the spiral blade shaft 42, and the conical squeezing block 45 is clearance-fitted with the squeezing pipe 43. During operation, when the waste fragments move with the spiral blade shaft 42 to the corresponding position of the conical squeezing block 45, the waste accumulates on the conical squeezing block 45. As the spiral blade shaft 42 continues to rotate, the waste passes through the gap between the conical squeezing block 45 and the squeezing pipe 43, and then falls from the end of the spiral blade shaft 42 onto the discharge conveyor belt 5. Due to the shape limitation of the conical squeezing block 45, the gap between the conical squeezing block 45 and the squeezing pipe 43 gradually decreases along the direction of waste flow. The waste will be squeezed and accumulated at the conical squeezing block 45, thereby squeezing out the residual water in the waste. The squeezed water will flow out of the squeezing pipe 43 from the water outlet 44.

[0043] In this embodiment, a preload spring 46 is provided at the large-diameter end of the conical squeezing block 45, and an adjusting nut 47 is provided at the end of the preload spring 46 away from the conical squeezing block 45. The adjusting nut 47 is threadedly connected to the spiral blade shaft 42. By rotating the adjusting nut 47, the conical squeezing block 45 can be pushed to slide axially on the spiral blade shaft 42, thereby adjusting the gap between the conical squeezing block 45 and the squeezing pipe 43 to suit different types of waste dewatering needs. On the other hand, by setting the preload spring 46 to allow the conical squeezing block 45 to slide axially, the wear of the fixed waste on the conical squeezing block 45 and the conical squeezing pipe 43 can be reduced, extending their service life.

[0044] To collect the water flowing out of the drain hole, a conical water collection trough 48 is provided on the fixing frame 6. The conical water collection trough 48 is located below the squeezing pipe 43, and a drain pipe 49 is provided at the lower end of the conical water collection trough 48. During operation, the water flowing out of the water outlet 44 will drip into the conical water squeezing trough and then flow to the drain pipe 49. A collection box can be set below the drain pipe 49 or a water pipe can be connected to collect the discharged sewage.

[0045] In actual operation, some waste is dry waste, which does not require dewatering and can be directly sent out of the waste pretreatment device after being crushed. Based on this, a steering assembly 7 is also provided on the fixed frame 6, which is located between the crushing assembly 3 and the dewatering assembly 4. During operation, the waste fragments crushed by the crushing assembly 3 will fall onto the steering assembly 7. If it is dry waste, the steering assembly 7 will directly convey the waste fragments to the end of the spiral blade shaft 42, and then the waste will fall onto the discharge conveyor belt 5 and be sent out of the equipment. If it is wet waste, the steering assembly 7 will convey the waste fragments to the input end of the spiral blade shaft 42, and then the dewatering assembly 4 will remove the moisture from the waste before sending it to the end of the spiral blade shaft 42, and then the waste will fall onto the discharge conveyor belt 5 and be sent out of the equipment.

[0046] like Figure 8 As shown, specifically, the steering assembly 7 includes a bogie 71, which is fixedly connected to the fixed frame 6. The bogie 71 is equipped with a steering drive mechanism 72 and a steering conveyor belt 73. The steering drive mechanism 72 is an assembly of a motor and a reducer, capable of driving the steering conveyor belt 73 to rotate on the fixed frame 6. The steering conveyor belt 73 is positioned directly below the crushing assembly 3. One end of the steering conveyor belt 73 is connected to the input end of the spiral blade shaft 42, and the other end is connected to the end of the spiral blade shaft 42. If it is dry waste, the steering drive mechanism 72 drives the steering conveyor belt 73 to rotate forward. After the crushed waste fragments on the crushing assembly 3 fall onto the steering conveyor belt 73, the steering conveyor belt 73 directly transports the waste fragments to the end of the spiral blade shaft 42. The waste then falls onto the discharge conveyor belt 5 and is discharged from the equipment. If it is wet waste, the steering drive mechanism 72 drives the steering conveyor belt 73 to reverse. After the crushed waste pieces on the crushing component 3 fall onto the steering conveyor belt 73, the steering conveyor belt 73 will transport the waste pieces to the input end of the spiral blade shaft 42. Then the waste pieces will fall onto the spiral blade shaft 42, and after the dewatering component 4 removes the water from the waste, it will be sent to the end of the spiral blade shaft 42. After that, the waste will fall onto the discharge conveyor belt 5 and be sent out of the equipment.

[0047] Working principle:

[0048] During operation, the entire bag of garbage is fed into the garbage bag breaking component 1, which breaks open the garbage bag and disperses the garbage onto the feeding conveyor belt 2. The feeding conveyor belt 2 then transports the dispersed garbage to the crushing component 3, where large pieces of garbage are crushed into pre-set sized pieces. The crushed garbage pieces then fall onto the turning conveyor belt 73.

[0049] If it is dry waste, the steering drive mechanism 72 drives the steering conveyor belt 73 to rotate forward. The steering conveyor belt 73 will directly transport the waste fragments to the end of the spiral blade shaft 42, and then the waste will fall onto the discharge conveyor belt 5 and be sent out of the equipment.

[0050] If it is wet waste, the steering drive mechanism 72 drives the steering conveyor belt 73 to reverse. The steering conveyor belt 73 will transport the waste fragments to the input end of the spiral blade shaft 42. Then the waste fragments will fall onto the spiral blade shaft 42. After the dewatering component 4 removes the water from the waste, it will be sent to the end of the spiral blade shaft 42. Then the waste will fall onto the discharge conveyor belt 5 and be sent out of the equipment.

[0051] The above-described specific embodiments are preferred embodiments of this utility model, and are not intended to limit the specific scope of this utility model. The scope of this utility model includes but is not limited to the specific embodiments described above. All equivalent changes made in accordance with this utility model are within the protection scope of this utility model.

Claims

1. A waste pre-treatment device for a waste incineration system, characterized by: The garbage bag breaking assembly, the feeding conveyor belt, the crushing assembly, the dehydration assembly and the discharging conveyor belt are sequentially connected. The garbage bag breaking assembly is used for breaking the packaging bag of garbage and scattering the garbage into the feeding conveyor belt. The feeding end of the feeding conveyor belt is connected with the garbage bag breaking assembly, and the discharging end of the feeding conveyor belt is connected with the crushing assembly. The crushing assembly is used for crushing the scattered garbage into garbage pieces of a preset size. The dehydration assembly is used for dehydrating the garbage pieces and conveying the dehydrated garbage pieces to the discharging conveyor belt. The discharging conveyor belt is used for outputting the dehydrated garbage pieces.

2. The waste pre-treatment apparatus of a waste incineration system according to claim 1, characterized by: The garbage bag breaking assembly comprises a storage rack, a receiving groove and a bag breaking driving device.

3. The waste pre-treatment apparatus of a waste incineration system according to claim 2, characterized in that: The bag breaking driving device comprises a bag breaking motor assembly, a driving shaft and a driven shaft. The driving shaft is sleeved with a driving gear, and the driven shaft is sleeved with a driven gear.

4. The waste pre-treatment apparatus of a waste incineration system according to claim 3, characterized by: The outer side wall of the driving shaft is provided with a plurality of first bag breaking teeth.

5. The waste pre-treatment apparatus of a waste incineration system according to any one of claims 1 to 4, characterized in that: The outer side wall of the driven shaft is provided with a plurality of second bag breaking teeth.

6. The waste pre-treatment apparatus of a waste incineration system according to claim 5, characterized by: The corresponding positions of the storage rack and the discharge port are provided with a plurality of material separating plates. The material separating plates are distributed in a staggered manner with the first bag breaking teeth and the second bag breaking teeth.

7. The waste pre-treatment apparatus of the waste incineration system according to claim 5, characterized in that: The material separating plates block the large garbage from entering the discharge port.

8. The waste pre-treatment apparatus of a waste incineration system according to claim 7, characterized by: The crushing assembly comprises a fixed rack, a crushing motor assembly and a crushing rack. The crushing rack is provided with an inlet hopper located directly below the feeding conveyor belt. The crushing rack is provided with a knife wheel assembly connected with the output end of the crushing motor assembly. The knife wheel assembly comprises a driving knife wheel and a driven knife wheel. The crushing rack is provided with a fixed knife corresponding to the driving knife wheel and the driven knife wheel. The dehydration assembly comprises a dehydration motor assembly, a spiral blade shaft and a squeezing pipe. The spiral blade shaft is located below the crushing rack. The output end of the dehydration motor assembly is connected with the spiral blade shaft and can drive the spiral blade shaft to rotate. The squeezing pipe is sleeved on the outer periphery of the spiral blade shaft and is gap-fitted with the spiral blade shaft. The spiral blade shaft is sleeved with a tapered squeezing block. The tapered squeezing block is gap-fitted with the squeezing pipe.

9. The waste pre-treatment apparatus of a waste incineration system according to claim 7, characterized by: The fixed frame is provided with a conical water collecting groove, which is arranged below the squeezing pipe, and a drain pipe is arranged at the lower end of the conical water collecting groove.

10. The waste pre-treatment apparatus of a waste incineration system according to claim 5, characterized by: The fixed frame is provided with a turning assembly, which comprises a turning driving mechanism and a turning conveying belt. The turning driving mechanism can drive the turning conveying belt to rotate on the fixed frame. The turning conveying belt is arranged directly below the crushing assembly. One end of the turning conveying belt is connected with the input end of the dehydration assembly, and the other end of the turning conveying belt is connected with the output end of the dehydration assembly.

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