CN210251469U

CN210251469U - Screening device for kitchen waste treatment

Info

Publication number: CN210251469U
Application number: CN201921093890.XU
Authority: CN
Inventors: 沈国忠; 薛万泽; 沈波
Original assignee: Tianjin Blue Water Environmental Protection Technology Consulting Service Co Ltd
Current assignee: Tianjin Blue Water Environmental Protection Technology Consulting Service Co Ltd
Priority date: 2019-07-13
Filing date: 2019-07-13
Publication date: 2020-04-07
Anticipated expiration: 2029-07-13

Abstract

The utility model relates to a kitchen garbage recovery processing technology field especially relates to screening plant for kitchen garbage handles, it includes a screening section of thick bamboo and drum sieve, the winding has the heating pipe in the screening section of thick bamboo has intermediate layer and the intermediate layer, the end cover is equipped with admittedly at the both ends of a screening section of thick bamboo, be equipped with the pivot between two end covers, install spiral crushing blade in the pivot, screening section of thick bamboo's an end cover department has seted up screening section of thick bamboo feed inlet, another end cover department has seted up the coarse fodder export, the exhaust hole has been seted up at the top of a screening section of thick bamboo, the bottom is equipped with the thick liquids export, the drum sieve is located in the screening section of thick bamboo, the drum sieve feed inlet has been seted up to drum sieve one end, the drum sieve discharge gate has been seted up to the other end, install a plurality of pipes that. The utility model provides a device can play the screening effect and can play the crushing effect again, and prevents to influence screening effect and screening efficiency because of reasons such as screen cloth jam.

Description

Screening device for kitchen waste treatment

Technical Field

The utility model relates to a kitchen garbage recovery processing technology field especially relates to screening plant for kitchen garbage handles.

Background

Kitchen waste, commonly known as swill, is a domestic waste formed in the process of domestic consumption of residents, is extremely easy to rot and deteriorate, emits foul odor, and spreads bacteria and viruses. The main components of the kitchen waste comprise rice and flour food residues, vegetables, animal and vegetable oil, meat and bones and the like, and the kitchen waste contains starch, cellulose, protein, lipid, inorganic salt and the like in chemical composition, so that the quantity of the kitchen waste in China is very large and the kitchen waste is in a rapid rising trend. The kitchen waste is treated by adopting methods such as separation, compression, fermentation and the like and then recycled except that the kitchen waste can be buried in a remote area, the kitchen waste is firstly screened by adopting a screening device in the treatment process, the thick kitchen waste is removed and then the residual slurry is crushed and separated, the coarse material and the slurry are separated by adopting a drum screen in the traditional screening device, the drum screen only plays a screening role, and the larger coarse material is easily hung on the drum screen to block the screen, so that the screening effect and the screening efficiency are influenced, and when the temperature is lower in winter, the grease of the kitchen waste is easily solidified, so that the screening effect and the screening efficiency of the kitchen waste are also influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a screening plant for kitchen garbage processing that can play the screening effect and can play the crushing effect again and prevent to influence screening effect and screening efficiency because of screen cloth jam or grease solidify is provided.

The utility model discloses a realize through following technical scheme:

a screening device for treating kitchen waste comprises a screening cylinder and a rotary screen, wherein end covers are fixedly installed at two ends of the screening cylinder, a rotating shaft is arranged between the two end covers, a spiral crushing blade is installed on the rotating shaft, the screening cylinder is of a double-layer structure with an interlayer, a heating pipe is wound in the interlayer, a screening cylinder feeding hole is formed in one end cover of the screening cylinder, a coarse material outlet is formed in the other end cover of the screening cylinder, an exhaust hole is formed in the top of the screening cylinder, a slurry outlet is formed in the bottom of the screening cylinder, the rotary screen is arranged in the screening cylinder, two ends of the rotary screen are installed on the rotating shaft, a rotary screen feeding hole communicated with the screening cylinder feeding hole is formed in one end of the rotary screen, a rotary screen discharging hole communicated with the screening cylinder coarse material outlet is formed in the other end of the rotary screen, a plurality of purging pipes are installed above the rotary screen in the, the bottom of the purging pipe is provided with a plurality of air blowing holes.

Further, the rotating shaft is driven to rotate by a motor.

Furthermore, the heating pipe is communicated with a workshop steam pipeline through a quick connector.

The beneficial effects of the utility model

A screening device for treating kitchen garbage is characterized in that the kitchen garbage enters a drum screen from a feeding port of a screening cylinder and a feeding port of the drum screen, is crushed and screened along with the rotation of the drum screen, coarse materials after crushing and screening are discharged from a discharging port of the drum screen and a coarse material outlet of the screening cylinder and then transported outside, finer slurry is discharged from a slurry outlet of the screening cylinder and then enters the next process, the utilization rate and the production efficiency of the kitchen garbage are improved, meanwhile, a plurality of purging pipes are arranged above the drum screen in the screening cylinder, one end of each purging pipe is sealed, the other end of each purging pipe is respectively communicated with a compressed air pipeline, a plurality of air blowing holes are formed in the bottom of each purging pipe, the drum screen is purged through the air blowing holes of the purging pipes while screening, the coarse materials are prevented from being hung on the drum screen to block the screen, the screening effect and the screening efficiency are influenced, and the top of the screening cylinder is provided with exhaust holes, be favorable to the pressure keep balance inside and outside the screening section of thick bamboo to the screening section of thick bamboo is the bilayer structure who has the intermediate layer, and the winding has the heating pipe in the intermediate layer, and when the temperature was lower, can heat through the heating pipe, prevents that kitchen garbage's grease from crossing low and solidifying because of the temperature, thereby influences screening effect and screening efficiency.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

in the figure, 1, a heating pipe, 2, a screening cylinder, 3, a motor, 4, a feeding port of the screening cylinder, 5, an end cover, 6, a rotating shaft, 7, a rotary screen, 8, a spiral crushing blade, 9, a coarse material outlet, 10, a slurry outlet, 11, a compressed air pipeline, 12, a purging pipe, 13, an exhaust hole, 14, an air blowing hole and 15 are workshop steam pipelines.

Detailed Description

A screening device for kitchen waste treatment comprises a screening cylinder 2 and a rotary screen 7, wherein end covers 5 are fixedly installed at two ends of the screening cylinder, the end covers and the screening cylinder can be fixedly connected through bolts, disassembly, assembly and maintenance are convenient, a rotary shaft 6 is arranged between the two end covers, a spiral crushing blade 8 is installed on the rotary shaft, screening and crushing can be realized, the screening cylinder is of a double-layer structure with an interlayer, a heating pipe 1 is wound in the interlayer, when the temperature is low, heating can be performed through the heating pipe, grease of kitchen waste is prevented from being solidified due to low temperature, a screening cylinder feed inlet 4 is formed in one end cover of the screening cylinder, a coarse material outlet 9 is formed in the other end cover, an exhaust hole 13 is formed in the top of the screening cylinder, a slurry outlet 10 is formed in the bottom of the screening cylinder, the rotary screen is arranged in the screening cylinder, two ends of the rotary screen are installed on the rotary shaft, one end of the rotary screen is provided with, the other end of the screening drum is provided with a rotary screen discharge hole (not shown) communicated with a coarse material outlet of the screening drum, a plurality of purging pipes 12 are arranged above the rotary screen in the screening drum, one end of each purging pipe is sealed, the other end of each purging pipe is communicated with a compressed air pipeline 11, a plurality of air blowing holes 14 are formed in the bottom of each purging pipe, and purging is performed on the rotary screen from the air blowing holes to prevent the screen mesh from being blocked.

Further, the rotary shaft is driven to rotate by a motor 3.

Further, the heating pipe is communicated with a workshop steam pipeline 15 through a quick connector, combustible gas such as methane generated in the treatment process of the kitchen waste can provide an air source for a steam boiler, and steam of the steam boiler is recycled in the screening device, so that the energy is saved, and the environment is protected.

When the kitchen waste is screened, the kitchen waste enters the drum screen from a feeding port of a screening cylinder and a feeding port of the drum screen, the kitchen waste is screened while being crushed along with the rotation of the drum screen, coarse materials after being crushed and screened are discharged from a discharging port of the drum screen and a coarse material outlet of the screening cylinder and then are transported outside, finer slurry is discharged from a slurry outlet of the screening cylinder and then enters the next process, the utilization rate and the production efficiency of the kitchen waste are improved, meanwhile, a plurality of purging pipes are arranged above the drum screen in the screening cylinder, one end of each purging pipe is sealed, the other end of each purging pipe is respectively communicated with a compressed air pipeline, a plurality of air blowing holes are formed in the bottom of each purging pipe, in the screening process, the drum screen is purged through the air blowing holes of the purging pipes while being screened, the coarse materials are prevented from being hung on the drum screen to block the screen, the screening effect and the screening efficiency are influenced, and the top of the screening, be favorable to the pressure keep balance inside and outside the screening section of thick bamboo to the screening section of thick bamboo is the bilayer structure who has the intermediate layer, and the winding has the heating pipe in the intermediate layer, and when the temperature was lower, can heat through the heating pipe, prevents that kitchen garbage's grease from crossing low and solidifying because of the temperature, thereby influences screening effect and screening efficiency.

To sum up, the utility model discloses a screening plant for kitchen garbage handles can play the screening effect and can play the crushing effect again and prevent to influence screening effect and screening efficiency because of the screen cloth blocks up.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The screening device for treating the kitchen waste is characterized by comprising a screening cylinder and a rotary screen, wherein two ends of the screening cylinder are fixedly provided with end covers, a rotating shaft is arranged between the two end covers, a spiral crushing blade is arranged on the rotating shaft, the screening cylinder is of a double-layer structure with an interlayer, a heating pipe is wound in the interlayer, one end cover of the screening cylinder is provided with a screening cylinder feeding hole, the other end cover of the screening cylinder is provided with a coarse material outlet, the top of the screening cylinder is provided with an exhaust hole, the bottom of the screening cylinder is provided with a slurry outlet, the rotary screen is arranged in the screening cylinder, two ends of the rotary screen are arranged on the rotating shaft, one end of the rotary screen is provided with a rotary screen feeding hole communicated with the screening cylinder feeding hole, the other end of the rotary screen is provided with a rotary screen discharging hole communicated with the screening cylinder coarse material outlet, a plurality of purging pipes are arranged above the rotary screen in the, the bottom of the purging pipe is provided with a plurality of air blowing holes.

2. The kitchen waste treatment screening device according to claim 1, wherein said rotating shaft is driven to rotate by a motor.

3. The screening device for kitchen waste treatment according to claim 1, characterized in that said heating pipe is in communication with a workshop steam line through a quick-connect coupling.