CN114888047A

CN114888047A - Straw waste and kitchen waste mixed processing system

Info

Publication number: CN114888047A
Application number: CN202210294716.1A
Authority: CN
Inventors: 梁钧政; 梁海臣; 陈自军; 石伟勇; 李光旭
Original assignee: Zhongyide Renewable Resources Intelligent Equipment Hangzhou Co ltd
Current assignee: Zhongyide Renewable Resources Intelligent Equipment Hangzhou Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-08-12

Abstract

The invention relates to a mixed treatment system for straw waste and kitchen waste. The straw garbage contains a small amount of water, and the water carried by the straw garbage can not meet the fermentation requirement during later-stage biological fermentation, and even the fermentation water needs to be supplemented during fermentation. The kitchen garbage sorting platform comprises a sorting platform and is characterized in that one end of a feeding port of the sorting platform is in butt joint with a straw conveying mechanism, the other end of the feeding port is in butt joint with kitchen garbage, an outlet of the feeding port is in butt joint with a garbage crushing mechanism, an outlet of the garbage crushing mechanism is connected with a mixing device, and the mixing device is connected with a biological fermentation bin through a conveying mechanism. The mixing treatment system is specially designed for kitchen and straw garbage, can fully crush the kitchen and straw garbage and efficiently mix the kitchen and straw garbage, and then the kitchen and straw garbage is conveyed into the fermentation bin through the conveying mechanism to be fermented to complete the whole treatment process, so that the whole treatment process is efficient and environment-friendly.

Description

Straw waste and kitchen waste mixed processing system

Technical Field

The invention relates to a mixed treatment system for straw waste and kitchen waste.

Background

The straws are the most common domestic garbage after autumn harvest, contain a large amount of organic matters and trace elements, so that the straws become fertilizers and can greatly embody the value of the straws, but the domestic waste is forbidden to be incinerated to prepare plant ash.

The straw garbage contains a small amount of water, and the water carried by the straw garbage can not meet the fermentation requirement during later-stage biological fermentation, and even the fermentation water needs to be supplemented during fermentation; on the other hand, in the kitchen waste treatment industry, after the kitchen waste is crushed and dehydrated, the salt content and other substance content of the generated water are extremely high and are far higher than the emission standard value. Therefore, how to combine the two kinds of garbage effectively is an important research difficulty.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a mixed treatment system for straw garbage and kitchen garbage, which can mix the two types of garbage for treatment, can completely ferment and does not produce other pollutants.

Therefore, the invention adopts the following technical scheme: the utility model provides a straw rubbish and kitchen garbage mixed processing system, includes the letter sorting platform, its characterized in that the pan feeding mouth one end butt joint straw conveying mechanism of letter sorting platform, other end butt joint kitchen garbage, the export butt joint rubbish rubbing crusher of pan feeding mouth constructs, rubbish rubbing crusher constructs's exit linkage compounding device, and compounding device rethread conveying mechanism connects biological fermentation storehouse.

Preferably, the straw conveying mechanism comprises a front-end conveying part, the front-end conveying part is connected with a straw cutting device, an outlet of the straw cutting device is in butt joint with a front-end collecting hopper, and the front-end collecting hopper is connected with a chain plate conveying mechanism.

Preferably, the chain plate conveying mechanism is provided with a plurality of vertically arranged scraping plates at the upper end of the chain plate at uniform intervals, and a material containing cavity is formed between the adjacent scraping plates.

Preferably, a garbage can lifting and overturning mechanism is arranged on the side of the sorting platform.

Preferably, fermentation strains are preset in the mixing device, and the mixing device is connected with the biological fermentation bin through bidirectional spiral conveying.

Preferably, the garbage crushing mechanism comprises a shredder, and an outlet of the shredder is butted with the fine grinding crusher.

Preferably, the fine grinding pulverizer comprises an outer casing sleeve, a central rotating shaft is arranged in the outer casing sleeve, a plurality of stages of cutting knife sets are arranged on the rotating shaft from top to bottom, a heavy hammer pulverizing mechanism is arranged between at least the two stages of cutting knife sets at the bottom, the heavy hammer pulverizing mechanism comprises a plurality of heavy hammer knives which are uniformly distributed along the circumference, the outer ends of the heavy hammer knives are of arc-shaped structures, and gears are formed on the arc-shaped structures.

Preferably, the cutting knife group positioned at the bottommost part comprises a first cutter disc, a plurality of crushing knives are arranged on the outer ring of the first cutter disc along the circumferential direction, and small hammer knives are arranged between the adjacent crushing knives.

Preferably, a second cutter disc is arranged above the heavy hammer cutter, a plurality of crushing cutters are arranged on the outer ring of the second cutter disc along the circumferential direction, cutting cutters are arranged between adjacent crushing cutters, sharp cutter points are formed on two sides of each cutting cutter, and one end of each cutting cutter protrudes out of the second cutter disc.

As preferred, the top of second blade disc evenly sets up a plurality of cross cutters along the circumferencial direction, cross cutter length extend to the blade disc outer lane, a plurality of cross cutters are the echelonment and arrange, the oblique cutter that two sets of superpositions and slant were arranged about being located the top of cross cutter still sets up, oblique cutter and cross cutter form the dislocation, be located shell sleeve inner wall and arrange a plurality of fixed cutters of setting on the sleeve along the circumference, fixed cutter and oblique cutter and cross cutter all form the dislocation.

According to the invention, the kitchen waste treatment and the straw waste treatment are combined, the mixing treatment is carried out according to the proportion of more straw waste and less kitchen waste, the moisture in the kitchen waste is used for making up the moisture required by the straw waste fermentation, and more straw waste is used for diluting the salt and other substances in the kitchen waste, so that the two types of waste can be completely fermented without generating other pollutants.

The mixing treatment system is specially designed for kitchen and straw garbage, can fully crush the kitchen and straw garbage and efficiently mix the kitchen and straw garbage, and then the kitchen and straw garbage is conveyed into the fermentation bin through the conveying mechanism to be fermented to complete the whole treatment process, so that the whole treatment process is efficient and environment-friendly.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic view of the main body structure of the present invention.

FIG. 3 is a schematic view of the shredder.

Fig. 4 is a schematic view of the main structure of the fine grinding pulverizer.

Fig. 5 is a schematic view of the internal structure of the fine grinding pulverizer.

Detailed Description

The present invention is described in further detail below with reference to the attached drawing figures.

As shown in fig. 1-3, a straw waste and kitchen waste mixed processing system comprises a sorting platform 8, a feeding port 14 of the sorting platform is in butt joint with a straw conveying mechanism at one end and kitchen waste at the other end, an outlet of the feeding port is in butt joint with a waste crushing mechanism, an outlet of the waste crushing mechanism is connected with a mixing device 9, and the mixing device is connected with a biological fermentation bin 12 through a conveying mechanism.

The straw conveying mechanism comprises a front-end conveying part 1, the front-end conveying part is connected with a straw cutting device 2, an outlet of the straw cutting device is in butt joint with a front-end collecting hopper 3, and the front-end collecting hopper is connected with a chain plate conveying mechanism 4. The chain plate conveying mechanism is provided with a plurality of vertically arranged scraping plates 13 at the upper end of a chain plate at uniform intervals, and a material containing cavity is formed between every two adjacent scraping plates. The front end conveying component is provided with a clamp for conveying, untreated straws are fixedly conveyed, and the straw cutting device can cut the longer straw garbage to 3-8cm, so that the subsequent conveying is facilitated. The front-end material collecting hopper is arranged, so that materials can be conveniently stored and transferred, and the problems of mismatching of front and rear processing speeds and the like are prevented.

The scraper blade is used as a scraping plate, materials in the front-end aggregate hopper are uniformly scraped, the materials can be prevented from rolling down at the slope position, the two materials are used for forming a containing cavity, a certain distance is reserved between the scraping plates, the scraper blade has a certain height, and the even containing cavity is formed to facilitate observation of the conveying capacity.

The side part of the sorting platform is provided with a garbage can lifting and overturning mechanism 7. The garbage can be directly hung on the lifting turnover mechanism 7, and the garbage can is automatically lifted and turned into the sorting platform through the mechanism, so that the kitchen garbage which is not in conformity with the garbage can falls into the garbage crushing mechanism after being removed through manual sorting if necessary.

Fermentation strains are preset in the mixing device, and the mixing device is connected with a biological fermentation bin through a belt conveyor 10 and a bidirectional spiral conveyor 11. The material mixing device is arranged to fully mix the crushed material with the fermentation strain.

The garbage crushing mechanism comprises a shredder 5, and an outlet of the shredder is butted with a fine grinding crusher 6. The shredder has two functions, one is to crush the materials, and simultaneously prevent larger hard objects (bones and the like in kitchen waste) from damaging cutters in the lower shredder, and the other can limit the material blanking speed. The fine grinding pulverizer is arranged to finely pulverize the materials, and the sizes of the materials are below 1 cm;

As shown in fig. 4-5, the fine grinding pulverizer includes a casing sleeve, a central rotating shaft is arranged in the casing sleeve, a plurality of stages of cutting knife sets are arranged on the rotating shaft from top to bottom, a heavy hammer pulverizing mechanism is arranged between at least the two stages of cutting knife sets at the bottom, the heavy hammer pulverizing mechanism includes a plurality of heavy hammer knives 24 uniformly distributed along the circumference, the outer ends of the heavy hammer knives are in an arc-shaped structure, and gears are formed on the arc-shaped structure.

The cutting knife group positioned at the bottommost part comprises a first knife disc 25, a plurality of crushing knives are arranged on the outer ring of the first knife disc along the circumferential direction, and small hammer knives 26 are arranged between every two adjacent crushing knives. A lower housing sleeve 23 is provided outside the first cutter head 25, with a plurality of evenly spaced slots 21 formed in the wall.

The top of heavy hammer sword sets up second blade disc 16, outer lane on the second blade disc also sets up a plurality of crushing cutters 20 along the circumferencial direction, sets up cutting knife 27 between the adjacent crushing cutter, the cutting knife form sharp blade point in both sides, cutting knife one end blade point protrusion in the second blade disc. An upper housing sleeve 19 is provided outside the second cutter head 16, with a plurality of uniform grooves 22 formed in the wall. The number of the grooves 22 is set to be smaller than that of the spacing grooves 21.

The top of second blade disc evenly sets up a plurality of cross-cutters 18 along the circumferencial direction, cross-cutter length extend to the blade disc outer lane, a plurality of cross-cutters are the echelonment and arrange, the top that is located the cross-cutter still sets up two sets of superpositions about and the oblique sword 15 that the slant was arranged, oblique cutter and cross-cutter form the dislocation, lie in the shell sleeve inner wall and arrange a plurality of fixed cutting knives 17 of setting on the sleeve along the circumference, fixed cutting knife and oblique cutter and cross-cutter all form the dislocation.

The two garbage advancing routes are as follows:

the first kind of garbage: straw garbage → front end conveying → straw cutting device → front end collecting hopper → chain plate conveying → shredder → fine grinding crusher → mixing device → belt conveying → bidirectional screw conveying → biological fermentation bin

The second kind of garbage: kitchen waste (barreled) → lifting machine → sorting platform (manual sorting, pushing material) → shredding machine → fine grinding pulverizer → mixing device → belt conveying → bidirectional spiral conveying → biological fermentation bin

The specific process is as follows: straw class rubbish falls into inside the front end collecting hopper after cutting device preliminary breakage (3-5cm), and along with the start of chain slat conveying, the scraper blade of carrying slowly takes out the material in the collecting hopper, and the material is carried along with the chain slat conveying at the uniform velocity and is got into in the shredder, and at this in-process, kitchen garbage pours into the letter sorting platform under the effect that promotes the transport mechanism after the barreled into, pushes away in the shredder after artifical letter sorting.

During the material after the shredder breakage fell into the correct grinding rubbing crusher, in accomplishing to smash in the rubbing crusher and fall into the compounding device after, material and fermentation bacterial intensive mixing in the compounding device after, progressively send into the biological fermentation storehouse through belt transport and two-way auger delivery and ferment, accomplish whole processing procedure so far.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims

1. The utility model provides a straw rubbish and kitchen garbage mixed processing system, includes letter sorting platform (8), its characterized in that pan feeding mouth (14) one end butt joint straw conveying mechanism of letter sorting platform, other end butt joint kitchen garbage, the export butt joint rubbish rubbing crusher of pan feeding mouth constructs, rubbish rubbing crusher constructs's exit linkage compounding device 9, and the compounding device is again through conveying mechanism connection biological fermentation storehouse (12).

2. The mixed processing system of straw waste and kitchen waste according to claim 1, characterized in that said straw conveying mechanism includes a front end conveying component (1), said front end conveying component is connected with a straw cutting device (2), the outlet of said straw cutting device is connected with a front end collecting hopper (3), said front end collecting hopper is connected with a chain plate conveying mechanism (4).

3. The mixed treatment system of straw waste and kitchen waste according to claim 2, characterized in that the chain plate conveying mechanism forms a plurality of vertically arranged scraping plates (13) at the upper end of the chain plate at uniform intervals, and a material containing cavity is formed between adjacent scraping plates.

4. The straw waste and kitchen waste mixed treatment system according to claim 3, wherein a waste bin lifting and tipping mechanism (7) is arranged on a side portion of the sorting platform.

5. The straw waste and kitchen waste mixing treatment system according to claim 4, wherein fermentation strains are preset in the mixing device, and the mixing device is connected with the biological fermentation bin through a bidirectional screw conveyor (11).

6. The mixed treatment system of straw waste and kitchen waste according to claim 5, wherein said waste crushing mechanism comprises a shredder (5), and an outlet of said shredder is connected to a fine grinding crusher (6).

7. The mixed processing system of straw garbage and kitchen garbage according to claim 6, characterized in that said fine grinding pulverizer includes an outer casing sleeve, said outer casing sleeve is provided with a central rotating shaft, said rotating shaft is provided with multiple cutting knife sets from top to bottom, at least a heavy hammer pulverizing mechanism is provided between the two cutting knife sets at the bottom, said heavy hammer pulverizing mechanism includes a plurality of heavy hammer knives (24) uniformly distributed along the circumference, the outer ends of said heavy hammer knives are arc-shaped structures, and the arc-shaped structures form gears.

8. The mixed processing system of straw waste and kitchen waste according to claim 7, characterized in that the cutting knife group located at the bottommost portion includes a first knife disc (25), a plurality of crushing knives are arranged on the outer ring of the first knife disc along the circumferential direction, and a small hammer knife (26) is arranged between adjacent crushing knives.

9. The straw garbage and kitchen garbage mixed processing system according to claim 8, characterized in that a second cutter disc (16) is arranged above the heavy hammer cutter, a plurality of crushing cutters (20) are also arranged on the outer ring of the second cutter disc along the circumferential direction, a cutting knife (27) is arranged between the adjacent crushing cutters, the cutting knife forms sharp blade points on two sides, and one end of the cutting knife protrudes out of the second cutter disc.

10. The straw waste and kitchen waste mixed treatment system according to claim 9, characterized in that a plurality of cross cutters (18) are evenly arranged along the circumferential direction above the second cutter disc, the length of each cross cutter extends to the outer ring of the cutter disc, the cross cutters are arranged in a ladder shape, an oblique cutter (15) which is arranged in an upper and a lower two-group overlapping manner and an oblique manner is arranged above the cross cutter, the oblique cutter and the cross cutter form a dislocation, a plurality of fixed cutters (17) arranged on the sleeve are arranged on the inner wall of the housing sleeve along the circumference, and the fixed cutters and the oblique cutters and the cross cutter form a dislocation.