CN213085838U

CN213085838U - Processing system of gardens rubbish

Info

Publication number: CN213085838U
Application number: CN202020636827.2U
Authority: CN
Inventors: 李称义; 林剑文; 高秋芬; 郭子成
Original assignee: Huanchuang Xiamen Technology Co ltd
Current assignee: Huanchuang Xiamen Technology Co ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2021-04-30
Anticipated expiration: 2030-04-24

Abstract

The utility model discloses a garden garbage treatment system, which comprises a crushing unit, a mixing unit and a biological fermentation unit which are sequentially connected according to the production process; the crushing unit is used for crushing the garden garbage to a particle size of less than or equal to 30 mm; the crushing unit is used for crushing the crushed garden garbage to the particle size of less than or equal to 10 mm; the mixing unit is used for adding nitrogen-containing auxiliary materials into the crushed garden garbage, adjusting the carbon-nitrogen ratio of the mixed materials to be 20-30, controlling the moisture content to be 45% -60%, and mixing and stirring uniformly; the biological fermentation unit is used for realizing aerobic fermentation of the mixed material, the fermentation time is 5-10d, and aeration, turning and throwing and water-temperature-gas online monitoring are carried out on the mixed material in the fermentation process. The garden garbage is crushed by the double physical methods of the crushing unit and the crushing unit, so that the garden garbage is easier to degrade to improve the fermentation efficiency; the nitrogen-containing auxiliary materials are added into the mixing unit, so that lignin and cellulose in garden garbage can be efficiently degraded, the decomposition period is shortened, and the nutrient content of a fermentation product is improved.

Description

Processing system of gardens rubbish

Technical Field

The utility model relates to a refuse treatment technical field especially indicates a processing system of gardens rubbish.

Background

The sources of garden wastes mainly comprise urban greening beautification, suburb forestry tending, tree branches and trunks, fallen leaves, grass scraps, flowers and abortions generated in the fruit tree pruning operation process and other trimmings. Along with the rapid development of urban landscaping construction, the greening coverage rate is greatly increased, the greening cultivation area is also continuously enlarged, and the generated garden waste is also greatly increased. The research and industrialization of the key technology of resource utilization of garden wastes are in need.

At present, garden waste's processing mode mainly is landfill and burning, and some countries such as Germany, Japan begin earlier to carry out compost treatment to garden waste, and china also has the mode that adopts compost fermentation at present, but traditional compost fermentation mostly adopts open-air fermentation's mode, causes the pollution to the surrounding environment easily, and branch, branch and trunk size are thick in the garden waste, contain lignin, cellulose etc. difficult degradation leads to current fermentation mode maturity cycle length, inefficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a processing system of gardens rubbish can realize automatic processing gardens rubbish, shortens the fermentation time, improves the nutrient composition of fermentation product.

In order to achieve the above purpose, the solution of the present invention is:

a treatment system for garden garbage comprises a crushing unit, a mixing unit and a biological fermentation unit which are sequentially connected according to production procedures; the crushing unit is used for crushing the garden garbage to a particle size of less than or equal to 30 mm; the crushing unit is used for crushing the crushed garden garbage to the particle size of less than or equal to 10 mm; the mixing unit is used for adding nitrogen-containing auxiliary materials into the crushed garden garbage, adjusting the carbon-nitrogen ratio of the mixed materials to be 20-30, controlling the moisture content to be 45% -60%, and mixing and stirring uniformly; the biological fermentation unit is used for realizing aerobic fermentation of the mixed material, the fermentation time is 5-10d, and aeration, turning and throwing and water-temperature-gas online monitoring are carried out on the mixed material in the fermentation process.

The nitrogen-containing auxiliary materials added in the mixing unit are prepared by mixing one or at least two of kitchen waste, bean cakes, bean dregs, peanut cakes, mushroom dregs, nitrogen fertilizer and livestock and poultry manure.

The biological fermentation unit comprises a closed fermentation box, a plurality of aeration pipes arranged at the top of the fermentation box, turning equipment arranged at the bottom of the fermentation box and monitoring equipment arranged in the fermentation box; the monitoring equipment is used for monitoring the temperature, the oxygen content and the moisture in the fermentation box and controlling the ventilation and aeration frequency of the aeration pipe and the material turning frequency of the turning equipment.

The turning equipment adopts a mode of turning the collecting cutter by chain transmission.

The garden garbage treatment system further comprises a deodorization unit communicated with the biological fermentation unit and used for realizing concentrated collection of odor and water vapor evaporation.

After the technical scheme is adopted, the garden garbage secondary crushing treatment is carried out on the garden garbage through the crushing unit and the crushing unit, the particle size of the crushed material is controlled to be less than or equal to 10mm, and the structure of the garden garbage is damaged by adopting a dual physical method, so that the garden garbage is easier to degrade, and the fermentation efficiency is improved; the utility model is different from the prior art which adopts the crushing treatment and the chemical treatment, thereby avoiding the complex operation of adding chemical agents and the influence on the rear-end fermentation process; the utility model discloses a compounding unit adds nitrogenous auxiliary material, lignin, cellulose etc. in can the high-efficient degradation garden rubbish shorten the maturity cycle, improve the nutrient composition of fermentation product simultaneously.

Furthermore, the utility model discloses a biological fermentation unit can realize the automated processing of fermentation process, monitors and regulates and control the aeration pipe and turn over throwing equipment to the temperature, oxygen content, the moisture of fermentation environment, and is easy and simple to handle to the energy consumption is low, energy-concerving and environment-protective.

Drawings

FIG. 1 is a block diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a biological fermentation unit according to an embodiment of the present invention;

the reference numbers illustrate: a crushing unit 10; a crushing unit 20; a mixing unit 30; a biological fermentation unit 40; a fermentation tank 41; an aeration pipe 42; a turning device 43; a monitoring device 44; a deodorization unit 50.

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.

The utility model relates to a processing system of gardens rubbish, include according to the production procedure linking up crushing unit 10, crushing unit 20, compounding unit 30 and the biological fermentation unit 40 that sets up in proper order.

The crushing unit 10 is used for crushing the garden garbage to a particle size of 30mm or less.

The crushing unit 20 is used for crushing the crushed garden garbage to a particle size of 10mm or less.

The mixing unit 30 is used for adding nitrogen-containing auxiliary materials into the crushed garden garbage, adjusting the carbon-nitrogen ratio of the mixed materials to be 20-30, controlling the moisture content to be 45% -60%, and mixing and stirring uniformly.

The biological fermentation unit 40 is used for realizing aerobic fermentation of the mixed material, the fermentation time is 5-10d, and the aeration, turning and throwing and water-temperature-gas online monitoring are carried out on the mixed material in the fermentation process.

Referring to fig. 1 and 2, a specific embodiment of the present invention is shown.

The nitrogen-containing auxiliary materials added in the mixing unit 30 are prepared by mixing one or at least two of kitchen waste, bean cakes, bean dregs, peanut cakes, mushroom dregs, nitrogen fertilizer and livestock and poultry manure.

The biological fermentation unit 40 comprises a closed fermentation box 41, a plurality of aeration pipes 42 arranged at the top of the fermentation box 41, a turning device 43 arranged at the bottom of the fermentation box 41, and a monitoring device 44 arranged in the fermentation box 41; wherein, the monitoring device 44 is used for monitoring the temperature, the oxygen content and the moisture in the fermentation box 41 and controlling the ventilation and aeration frequency of the aeration pipe 42 and the material turning frequency of the turning device 43. Set up aeration pipe 42 at the top of fermenting case 41, the aeration direction is from top to bottom, is different from traditional aeration mode from bottom to top, can effectively avoid the material to plug up the aeration mouth, improves aeration efficiency.

The turning device 43 adopts a mode of combining chain transmission with cutter turning, is different from the traditional rotating shaft turning mode, has low energy consumption, and cannot cause local material anaerobism.

The utility model discloses still include the deodorization unit 50 with biological fermentation unit 40 intercommunication for realize that the foul smell is concentrated and is collected and vapor evaporates, with the foul smell of handling the fermentation production, avoid causing secondary environmental pollution.

The utility model discloses a work flow does: putting garden garbage into a crushing unit 10, and crushing until the particle size is less than or equal to 30 mm; conveying the crushed garden garbage to a crushing unit 20, and crushing to obtain particles with the particle size of less than or equal to 10 mm; conveying the crushed garden garbage to a mixing unit 30, adding nitrogen-containing auxiliary materials into the mixing unit, adjusting the carbon-nitrogen ratio of the mixed materials to be 20-30, controlling the water content to be 45% -60%, and mixing and stirring uniformly; and finally, conveying the mixed material to a fermentation box 41 of a biological fermentation unit 40 for aerobic fermentation for 5-10 days to finally obtain the organic fertilizer, wherein the odor generated by fermentation is treated by a deodorization unit 50 and is discharged after the gas reaches the standard.

Through the scheme, the garden garbage secondary crushing treatment is carried out on the garden garbage through the crushing unit 10 and the crushing unit 20, the particle size of the crushed material is controlled to be less than or equal to 10mm, and the structure of the garden garbage is damaged by adopting a dual physical method, so that the garden garbage is easier to degrade, and the fermentation efficiency is improved; the utility model is different from the prior art which adopts the crushing treatment and the chemical treatment, thereby avoiding the complex operation of adding chemical agents and the influence on the rear-end fermentation process; the utility model discloses a compounding unit 30 adds nitrogenous auxiliary material, lignin, cellulose etc. in can the high-efficient degradation garden rubbish shorten the maturity cycle, improve the nutrient composition of fermentation product simultaneously.

Furthermore, the utility model discloses a biological fermentation unit 40 can realize the automated processing of fermentation process, monitors and regulates and control aeration pipe 42 and turn over throwing equipment 43 to the temperature, oxygen content, the moisture of fermentation environment, and is easy and simple to handle to the energy consumption is low, energy-concerving and environment-protective.

The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.

Claims

1. The utility model provides a processing system of gardens rubbish which characterized in that: comprises a crushing unit, a mixing unit and a biological fermentation unit which are sequentially connected according to the production process;

the crushing unit is used for crushing the garden garbage to a particle size of less than or equal to 30 mm;

the crushing unit is used for crushing the crushed garden garbage to the particle size of less than or equal to 10 mm;

the mixing unit is used for adding nitrogen-containing auxiliary materials into the crushed garden garbage;

the biological fermentation unit is used for realizing aerobic fermentation of the mixed material.

2. The garden waste disposal system of claim 1, wherein:

the nitrogen-containing auxiliary materials added in the mixing unit are prepared from one of kitchen waste, bean cakes, bean dregs, peanut cakes, mushroom dregs, nitrogen fertilizer and livestock and poultry manure.

3. The garden waste disposal system of claim 1, wherein:

4. The garden waste disposal system of claim 3, wherein:

the turning equipment adopts a mode of combining chain transmission with cutter turning.

5. The garden waste disposal system of claim 1, wherein:

the device also comprises a deodorization unit communicated with the biological fermentation unit and used for realizing concentrated collection of odor and water vapor evaporation.