Search

CN-118543630-B - Wet-type pretreatment system and pretreatment method for kitchen waste

CN118543630BCN 118543630 BCN118543630 BCN 118543630BCN-118543630-B

Abstract

The invention discloses a kitchen waste wet pretreatment system and a pretreatment method thereof, which relate to the technical field of kitchen waste pretreatment and comprise a solid-liquid separation component for separating dry and wet waste and a waste crushing component for crushing the waste for a plurality of times, wherein the side edge of the solid-liquid separation component is provided with a waste feeding port, one side of the solid-liquid separation component far away from the waste feeding port is provided with a pipeline type iron removing component, the waste crushing component is arranged on one side of the pipeline type iron removing component far away from the solid-liquid separation component, and one side of the garbage crushing assembly, which is far away from the pipeline type conveying iron removing assembly, is provided with a slurry separating assembly, and one side of the slurry separating assembly, which is far away from the garbage crushing assembly, is provided with a liquid storage assembly, so that crushed wet garbage is screened when the wet garbage is crushed, and meanwhile, the wet garbage is subjected to secondary crushing, and therefore the wet garbage can be better treated in the follow-up process without blocking a pipeline due to the self property of the garbage.

Inventors

  • YU HUINA
  • ZHANG YUHONG
  • YAO HANLIANG
  • LIU YING
  • PAN QUNZHONG

Assignees

  • 浙江卓尚环保能源有限公司

Dates

Publication Date
20260512
Application Date
20240604

Claims (6)

  1. 1. The kitchen waste wet pretreatment system comprises a solid-liquid separation component (1) for separating dry and wet waste and a waste crushing component (4) for crushing the waste for many times, and is characterized in that a waste feeding port (2) is arranged on the side edge of the solid-liquid separation component (1), a pipeline type iron removing component is arranged on one side, far away from the waste feeding port (2), of the solid-liquid separation component (1), the waste crushing component (4) is arranged on one side, far away from the solid-liquid separation component (1), of the pipeline type iron removing component (3), a slurry separation component (5) is arranged on one side, far away from the pipeline type iron removing component (3), of the waste crushing component (4), and a liquid storage component (6) is arranged on one side, far away from the waste crushing component (5); the solid-liquid separation assembly (1) comprises a collecting chamber (11), a water filtering net (12), a sewage water inlet (13), a sewage drain pipe (14), a first feeding channel (15) and a screw rod (16), wherein the water filtering net (12) is installed on one side, far away from the garbage crushing assembly (4), of the inner wall of the collecting chamber (11) through bolts, the sewage water inlet (13) is arranged below the water filtering net (12), the sewage drain pipe (14) is installed on the bottom end of the sewage water inlet (13) through bolts, the first feeding assembly is arranged on one side, far away from the garbage feeding port (2), of the sewage water inlet (13), and the screw rod (16) is installed on the upper end and the lower end of the inner wall of the first feeding assembly; The garbage crushing assembly (4) comprises a water delivery bracket (10), a first fixed bracket (17), a first crushing chamber (18), a screening chamber (19), a second crushing chamber (20), a second fixed bracket (21), a butt joint bracket (22) and a second feeding channel (23), wherein the first fixed bracket (17) is arranged above the two groups of water delivery brackets (10), the first crushing chamber (18) is arranged below the first fixed bracket (17) through bolts, the screening chamber (19) is arranged below the first crushing chamber (18) through bolts, the second crushing chamber (20) is arranged below the screening chamber (19) through bolts, the second fixed bracket (21) is arranged below the second crushing chamber (20), two groups of butt joint brackets (22) are arranged on one side of the garbage crushing assembly (4) far away from the pipeline type conveying iron removal assembly (3), and the second feeding channel (23) is arranged at the center of the two groups of butt joint brackets (22); The pipeline type conveying iron removing assembly (3) comprises a motor chamber (7), a garbage conveying channel (8) and an iron removing adsorption channel (9), wherein the garbage conveying channel (8) is arranged on the right side of the motor chamber (7), and the iron removing adsorption channel (9) is arranged below the garbage conveying channel (8); The slurry separation assembly (5) comprises a connecting pipe (32), a first separation chamber (33), a second separation chamber (34), a liquid outlet pipe (35), a dry material conveying channel (36) and a collecting box (37), wherein the first separation chamber (33) is arranged on one side, far away from the garbage crushing assembly (4), of the connecting pipe (32), the second separation chamber (34) is arranged below the first separation chamber (33), the liquid outlet pipe (35) is arranged on one side, far away from the connecting pipe (32), of the second separation chamber (34), the dry material conveying channel (36) is arranged on the left side of the liquid outlet pipe (35), and the collecting box (37) is arranged on one side, far away from the liquid outlet pipe (35), of the dry material conveying channel (36).
  2. 2. The wet pretreatment system for kitchen waste according to claim 1, wherein the water supply bracket (10) comprises a water inlet pipe (1001), a vibrating chamber (1003), a mounting shaft (1002), a transmission motor (24) and a discharging channel (26), wherein the vibrating chamber (1003) is arranged below the water inlet pipe (1001), the mounting shaft (1002) is arranged below the vibrating chamber (1003), the transmission motor (24) is mounted on one side, far away from the slurry separation assembly (5), of the mounting shaft (1002), and the discharging channel (26) is arranged on one side, far away from the water inlet pipe (1001), of the mounting shaft (1002).
  3. 3. The wet pretreatment system for kitchen waste according to claim 2, wherein the first crushing chamber (18) comprises a first crushing roller (27) and a blocking support (28), the blocking support (28) is arranged on one side, far away from the center, of the two groups of the first crushing rollers (27), teeth are arranged on the outer surfaces of the first crushing rollers (27), the two groups of the first crushing rollers (27) are meshed with each other through the teeth, the second crushing chamber (20) comprises a second crushing roller (29), a discharge hole (30) and a placing chamber (31), the discharge hole (30) is arranged on one side, far away from the transmission motor (24), of the second crushing roller (29), and the placing chamber (31) is arranged below the discharge hole (30).
  4. 4. A wet pretreatment system for kitchen waste according to claim 3, wherein said screening chamber (19) comprises a mounting bracket (1901) and an inclined screening net (25), wherein the inclined screening net (25) is mounted on the inner wall of said mounting bracket (1901) twice through bolts, and the inclined surface of said inclined screening net (25) is close to the discharge channel (26).
  5. 5. A wet pretreatment system for kitchen waste according to claim 4, wherein said liquid storage unit (6) comprises an observation channel (38), a storage chamber (39) and a transportation pipe (40), wherein said storage chamber (39) is provided below said observation channel (38), and said transportation pipe (40) is provided on a side of said storage chamber (39) away from said slurry separation unit (5).
  6. 6. The pretreatment method of a wet pretreatment system for kitchen waste as claimed in claim 5, wherein said method comprises the following steps: Pouring wet garbage and liquid in between into a solid-liquid separation assembly (1) along a garbage feeding hole (2), wherein the wet garbage containing the liquid falls on a water filtering net (12), the wet garbage moves along a position obliquely facing a first feeding channel (15), the liquid slightly passes through the wet garbage and passes through the water filtering net (12) to fall in a sewage water inlet (13) area, the liquid enters a sewage pipe (14) along the sewage water inlet (13) to flow, and the wet garbage contacts a spiral rod (16) in the first feeding channel (15) so that the spiral rod (16) carries the wet garbage to move upwards; Step two, a screw rod (16) in the first feeding channel (15) brings wet garbage into the pipeline type conveying iron removing assembly (3), at the moment, the wet garbage moves along the garbage conveying channel (8), at the moment, metal-containing substances in the wet garbage are adsorbed above an iron removing adsorption channel (9) below the garbage conveying channel (8), and when the wet garbage is brought into the garbage crushing assembly (4) by the garbage conveying channel (8), the iron removing adsorption channel (9) adsorbs metal substances to retract into the pipeline type conveying iron removing assembly (3) to strip metal, and then metal adsorption is recycled; Step three, when wet garbage is conveyed into the garbage crushing assembly (4), the wet garbage is contacted with first crushing rollers (27) in the first crushing chamber (18), and when the two groups of first crushing rollers (27) are rotationally meshed, the wet garbage in the middle of the two groups of first crushing rollers (27) is torn into small blocks, and the torn wet garbage into small blocks falls into the screening chamber (19); Step four, a water source is filled into the screening chamber (19) along the water delivery bracket (10), at the moment, the transmission motor (24) drives the inclined screening net (25) to shake through the installation shaft (1002), at the moment, wet garbage smaller than the diameter of the holes of the inclined screening net (25) falls downwards, and wet garbage larger than the diameter of the holes of the inclined screening net (25) moves along the inclined plane, so that the wet garbage which is not completely torn is conveyed along the discharge channel (26) to be collected, and secondary crushing is waited; The wet garbage smaller than the diameter of the holes of the inclined screening net (25) falls into the second crushing chamber (20) and contacts with the second crushing roller (29), the second crushing roller (29) grinds the wet garbage into small particles, and the wet garbage is conveyed into the slurry separation assembly (5) along the second feeding channel (23) along with a water source; Step six, when the small-particle wet garbage enters the slurry separation assembly (5) along with the water source, the small-particle wet garbage enters the first separation chamber (33) along the connecting pipe (32), the small-particle wet garbage and the water source are separated through the filter screen in the interior so as to lead the small-particle wet garbage to be precipitated and discharged, and the water source is absorbed by the water pump and enters the second separation chamber (34) for oil-water separation; And seventhly, enabling the liquid subjected to oil-water separation to enter the liquid storage assembly (6) so as to finish storing the liquid in the collection box (37).

Description

Wet-type pretreatment system and pretreatment method for kitchen waste Technical Field The invention relates to the technical field of kitchen waste pretreatment, in particular to a kitchen waste wet pretreatment system and a pretreatment method thereof. Background The pretreatment of kitchen waste refers to the process of preliminary treatment of kitchen waste before the treatment of the kitchen waste so as to improve the subsequent treatment efficiency and effect. The main purpose of pretreatment is to separate organic and inorganic matters in kitchen waste and remove impurities which may be harmful to the treatment process. Pretreatment generally comprises the steps of receiving, conveying, crushing, screening, magnetic separation, impurity removal and the like, but when kitchen waste is treated, various substances contained in the waste often affect the treatment of the waste, so that a wet pretreatment system for the kitchen waste is required. The prior search has the advantages of CN202310232974.1, high pretreatment and separation efficiency, low equipment abrasion, high recovery rate of organic matters, no additional water in the process, low sewage output, energy conservation, land conservation and the like. However, the existing wet garbage pretreatment system has certain defects in practical use that when garbage is treated, pipelines are blocked due to the structural property of the garbage in the treatment process, for example, the garbage contains kitchen garbage, and various impurities such as toothpicks, waste tableware, paper towels and plastics, and therefore, when the garbage is crushed, adhesion between the garbage often occurs, the garbage cannot be completely crushed, and the garbage cannot be completely crushed, so that the garbage is influenced when the garbage is produced in the subsequent process. Disclosure of Invention Aiming at the defects of the prior art, the invention provides a kitchen waste wet pretreatment system, which aims to solve the problems that when garbage is treated, pipelines are blocked due to the structural property of the garbage in the treatment process, for example, the garbage contains kitchen waste and various impurities such as toothpicks, waste tableware, paper towels and plastics, and the like, when the garbage is crushed, the garbage is always adhered, and the garbage cannot be crushed thoroughly, so that the garbage is influenced when the garbage is produced in the subsequent process. The kitchen waste wet pretreatment system comprises a solid-liquid separation component for separating dry waste from wet waste and a waste crushing component for crushing the waste for many times, wherein a waste feeding port is arranged on the side of the solid-liquid separation component, a pipeline type iron removing component is arranged on one side, far away from the waste feeding port, of the solid-liquid separation component, the waste crushing component is arranged on one side, far away from the solid-liquid separation component, of the pipeline type iron removing component, a slurry separation component is arranged on one side, far away from the pipeline type iron removing component, of the waste crushing component, and a liquid storage component is arranged on one side, far away from the waste crushing component, of the slurry separation component. Further, the solid-liquid separation subassembly includes collecting chamber, drainage net, sewage water inlet, blow off pipe, first pay-off passageway and hob, just the drainage net is installed through the bolt to one side that the rubbish was smashed to collecting chamber's inner wall was kept away from to the inner wall, just the below of drainage net is provided with the sewage water inlet, just the blow off pipe is installed through the bolt to the bottom of sewage water inlet, just one side that the rubbish feed inlet was kept away from to the sewage water inlet is provided with first pay-off subassembly, just the hob is installed at the upper and lower both ends of the inner wall of first pay-off subassembly. Further, the garbage crushing assembly comprises a water delivery bracket, a first fixing bracket, a first crushing chamber, a screening chamber, a second crushing chamber, a second fixing bracket, a butt joint bracket and a second feeding channel, wherein the first fixing bracket is arranged above the water delivery bracket, the first crushing chamber is arranged below the first fixing bracket through a bolt, the screening chamber is arranged below the first crushing chamber through a bolt, the second crushing chamber is arranged below the screening chamber through a bolt, the second fixing bracket is arranged below the second crushing chamber, one side, far away from the pipeline type conveying iron removing assembly, of the garbage crushing assembly is provided with two groups of butt joint brackets, and the second feeding channel is arranged at the center of the two groups of butt joint brackets. Fur