CN214735807U

CN214735807U - Garbage fermentation system

Info

Publication number: CN214735807U
Application number: CN202121063351.9U
Authority: CN
Inventors: 韩威华; 郭芳先; 刘镇; 王于玺
Original assignee: Shandong Sukahan Bio Technology Co ltd
Current assignee: Shandong Sukahan Bio Technology Co ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2021-11-16
Anticipated expiration: 2031-05-18

Abstract

The utility model discloses a garbage fermentation system, which comprises a fermentation tank, wherein a supporting plate is arranged at the position of the fermentation tank close to the bottom of the tank, the supporting plate divides the inner cavity of the fermentation tank into a fermentation cavity at the upper part and a liquid collecting cavity at the lower part, a methane collecting cover is arranged at the upper part of the fermentation cavity, the inner cavity of the methane collecting cover is communicated with one end of a methane branch pipe, the other end of the methane branch pipe is connected with one end of a methane main pipe, the other end of the methane main pipe is connected with an inlet of a gas circulating pump, and the outlet of the gas circulating pump is communicated with a methane combustion device through a pipeline; a hot flue gas branch pipe and an air inlet pipe are arranged in the liquid collection cavity, the hot flue gas branch pipe is connected with one end of a hot flue gas main pipe, and the other end of the hot flue gas main pipe is communicated with a biogas combustion device; the utility model provides a pair of rubbish fermentation system can promote the fermentation maturity of material through accuse temperature, oxygenating and three kinds of modes of accuse water, improves fermentation maturity's efficiency and fermentation quality.

Description

Garbage fermentation system

Technical Field

The utility model relates to a rubbish fermentation system belongs to fermentation equipment technical field.

Background

The garbage treatment aims at realizing harmlessness, reduction and resource. The current common domestic garbage treatment methods mainly comprise sanitary landfill, incineration and composting.

The prior art has the following defects in the composting process:

the temperature of the fertilizer for fermentation and decomposition is not convenient to increase in the composting process, the efficiency of the fermentation and decomposition is low, and the time required by the fermentation is long; the fertilizer at the bottom of the compost often has the problems of poor ventilation and insufficient oxygen supply, and the efficiency of fermentation and decomposition and the fermentation quality are influenced; the excess moisture present in the fertilizer also reduces the efficiency of the fermentation decay.

In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to not enough in the background art, provide a rubbish fermentation system, can promote the fermentation maturity of material through accuse temperature, oxygenating and three kinds of modes of accuse water, improve fermentation maturity's efficiency and fermentation quality.

For solving the technical problem, the utility model discloses a following technical scheme:

a garbage fermentation system comprises a fermentation tank, wherein a supporting plate is arranged at a position, close to the bottom of the fermentation tank, and divides an inner cavity of the fermentation tank into an upper fermentation cavity and a lower liquid collecting cavity; the upper part of the fermentation cavity is provided with a biogas collecting cover, the inner cavity of the biogas collecting cover is communicated with one end of a biogas branch pipe, the other end of the biogas branch pipe is connected with one end of a biogas main pipe, the other end of the biogas main pipe is connected with the inlet of a gas circulating pump, and the outlet of the gas circulating pump is communicated with a biogas combustion device through a pipeline; a hot flue gas branch pipe and an air inlet pipe are arranged in the liquid collection cavity; the hot flue gas branch pipe is connected with one end of the hot flue gas main pipe, and the other end of the hot flue gas main pipe is communicated with the methane combustion device; the top of the fermentation tank is provided with a first sealing plate and a second sealing plate which can be hinged to each other; a plurality of transverse rods capable of moving transversely are arranged right above the supporting plate.

Furthermore, the bottom of layer board is installed the grid board, and the bracket is installed to the bottom of grid board, and the bracket is fixed in the fermentation vat bottom.

Further, the outer end parts of the first sealing plate and the second sealing plate are respectively hinged with the edge of the fermentation tank, and the inner end parts of the first sealing plate and the second sealing plate are connected in a buckling mode.

Furthermore, the outer ends of the first sealing plate and the second sealing plate are respectively connected with the head of a piston rod of the hydraulic oil cylinder; the hydraulic oil cylinders are arranged on two sides of the top of the fermentation tank, and the first sealing plate and the second sealing plate rotate along the hinge axis by stretching of the hydraulic oil cylinders.

Furthermore, the number of the hot smoke branch pipes and the number of the air inlet pipes are multiple, and the hot smoke branch pipes and the air inlet pipes are uniformly arranged along the length direction of the fermentation tank.

Furthermore, two ends of the cross rod are respectively fixedly connected with the nut blocks; the number of the nut blocks is two, and the nut blocks are symmetrically arranged; the nut block is embedded in a sliding groove in the inner side wall of the fermentation tank, and the nut block is respectively in threaded connection with the lead screw; the lead screw is connected with the motor, and the motor drives the lead screw to rotate, so that the nut block and the cross rod can move transversely.

The utility model adopts the above technical scheme after, compare with prior art, have following advantage:

the utility model promotes the fermentation and the decomposition of the materials by three modes of temperature control, oxygen supplement and water control,

in a temperature control mode, methane generated by material fermentation is used for combustion, hot smoke generated by combustion is introduced into the bottom of the material to heat the material, and a fermentation tank is effectively sealed through a sealing plate, so that the fermentation temperature of the material is favorably controlled, and the fermentation decomposition efficiency is improved;

in the oxygen supplementing mode, air is introduced into the bottom of the material to ventilate and supply oxygen to the bottom of the garbage material, and the material is turned over by the transverse movement of the cross rod, so that the ventilation condition in the pile is improved, the propagation of microorganisms is facilitated, the conversion of the fermented material is accelerated, and the fermentation quality is improved;

in the water control mode, the fermentation material is supported by the supporting plate, and redundant moisture in the material enters the liquid collecting cavity to be collected and is timely discharged, so that the problem that the fermentation efficiency is reduced due to excessive moisture accumulated in the material is solved.

The present invention will be described in detail with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view at M in FIG. 1;

fig. 3 is an enlarged view at N in fig. 1.

In the figure, 1-fermentation tank, 2-supporting plate, 3-fermentation chamber, 4-liquid collecting chamber, 5-grid plate, 6-bracket, 7-first sealing plate, 8-second sealing plate, 9-hydraulic oil cylinder, 10-biogas collecting cover, 11-biogas branch pipe, 12-biogas main pipe, 13-gas circulating pump, 14-biogas combustion device, 15-hot flue gas main pipe, 16-hot flue gas branch pipe, 17-air inlet pipe, 18-nut block, 19-lead screw, 20-cross bar.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.

As shown in fig. 1-3 jointly, the utility model provides a rubbish fermentation system, including fermentation vat 1, the layer board 2 is installed to the position that fermentation vat 1 is close to the bottom of the pool, and layer board 2 separates 1 inside cavity of fermentation vat for fermentation chamber 3 on upper portion and collection liquid chamber 4 of lower part.

The supporting plate 2 is provided with a through hole, and the supporting plate 2 is used for supporting garbage materials to be fermented and decomposed.

The bottom of the supporting plate 2 is provided with a grid plate 5, the bottom of the grid plate 5 is provided with a bracket 6, and the bracket 6 is fixed at the bottom of the fermentation tank 1; the supporting plate 2 is supported and installed through the grid plates 5 and the brackets 6, and the grid plates 5 and the brackets 6 improve the bearing capacity of the supporting plate 2.

The liquid collecting cavity 4 is used for collecting water flowing out of the material to be fermented and decomposed, and the phenomenon that the fermentation efficiency is reduced due to excessive water accumulated in the material is prevented.

But first closing plate 7 and second closing plate 8 of articulated rotation are installed at the top of fermentation vat 1, and the outer tip of first closing plate 7 and second closing plate 8 is connected with the edge hinge of fermentation vat 1 respectively, and the tip lock is connected in first closing plate 7 and second closing plate 8.

The outer ends of the first sealing plate 7 and the second sealing plate 8 are respectively connected with the head of a piston rod of a hydraulic oil cylinder 9; hydraulic cylinder 9 sets up the both sides at 1 top in the fermentation vat, hydraulic cylinder 9 flexible realization first closing plate 7 and second closing plate 8 are along the rotation of articulated axis, the opening or the closure of 1 open-ended in fermentation vat can be realized in the rotation of first closing plate 7 and second closing plate 8, be convenient for with the leading-in fermentation chamber 3 of the material that treats the fermentation maturity after first closing plate 7 and second closing plate 8 are opened, seal fermentation chamber 3 after first closing plate 7 and second closing plate 8 are closed, be favorable to controlling the fermentation temperature in the fermentation chamber 3.

The upper part of the fermentation cavity 3 is provided with a biogas collecting cover 10, the inner cavity of the biogas collecting cover 10 is communicated with one end of a biogas branch pipe 11, and the other end of the biogas branch pipe 11 is connected with one end of a biogas main pipe 12; the number of the methane branch pipes 11 is multiple; the other end of the biogas main pipe 12 is connected with an inlet of a gas circulating pump 13, an outlet of the gas circulating pump 13 is communicated with a biogas combustion device 14 through a pipeline, and biogas generated by the fermentation cavity 3 is pumped into the biogas combustion device 14 to be combusted.

A hot flue gas branch pipe 16 and an air inlet pipe 17 are arranged in the liquid collecting cavity 4, the number of the hot flue gas branch pipes 16 and the number of the air inlet pipes 17 are multiple, and the hot flue gas branch pipes 16 and the air inlet pipes 17 are uniformly arranged along the length direction of the fermentation tank 1; the hot flue gas branch pipe 16 is connected with one end of the hot flue gas main pipe 15, and the other end of the hot flue gas main pipe 15 is communicated with the methane combustion device 14; biogas is combusted in the biogas combustion device 14, generated hot flue gas sequentially passes through the hot flue gas main pipe 15 and the hot flue gas branch pipe 16 to enter the liquid collecting cavity 4, and the hot flue gas upwards passes through the supporting plate 2 to heat the bottom of the fermented material so as to improve the efficiency of fermentation and decomposition.

The air inlet pipe 17 is used for introducing air, ventilating and supplying oxygen to the bottom of the material.

A plurality of transverse rods 20 capable of moving transversely are arranged right above the supporting plate 2, and two ends of each transverse rod 20 are fixedly connected with the nut blocks 18 respectively; the number of the nut blocks 18 is two, and the nut blocks are symmetrically arranged; the nut block 18 is embedded in a chute on the inner side wall of the fermentation tank 1, and the nut block 18 is respectively in threaded connection with a screw rod 19; the lead screw 19 is connected with the motor, the motor drives the lead screw 19 to rotate, so that the nut block 18 and the cross rod 20 can move transversely, the material can be turned by moving the cross rod 20, the ventilation condition in the pile is improved, the propagation of microorganisms is facilitated, and the conversion of the fermented material is accelerated.

The utility model discloses a concrete theory of operation:

the utility model promotes the fermentation and the decomposition of the materials by three modes of temperature control, oxygen supplement and water control;

controlling the temperature: biogas generated by the fermentation cavity 3 sequentially passes through a biogas collection cover 10, biogas branch pipes 11, a biogas main pipe 12 and a gas circulating pump 13 to enter a biogas combustion device 14 for combustion, hot flue gas generated by combustion sequentially passes through a hot flue gas main pipe 15 and hot flue gas branch pipes 16 to enter a liquid collection cavity 4, and then the hot flue gas upwards passes through the supporting plate 2 to heat the bottom of the fermented material; the top of the fermentation cavity 3 is sealed by a first sealing plate 7 and a second sealing plate 8, so that the fermentation temperature in the fermentation cavity 3 can be controlled, and the efficiency of fermentation and decomposition can be improved;

oxygen supplementation: the air inlet pipe 17 guides air into the bottom of the material to ventilate and supply oxygen to the bottom of the material; the motor drives the screw rod 19 to rotate, so that the nut block 18 and the cross rod 20 can move transversely, the movement of the cross rod 20 can turn over materials, the ventilation condition in the pile is improved, the propagation of microorganisms is benefited, and the conversion of fermented materials is accelerated;

controlling water: the material is supported by the supporting plate 2, and redundant moisture in the material enters the liquid collecting cavity 4 to be collected and is timely led out, so that the problem that the fermentation efficiency is reduced due to excessive moisture accumulated in the material is solved.

The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.

Claims

1. The utility model provides a rubbish fermentation system, includes fermentation vat (1), its characterized in that: a supporting plate (2) is arranged at a position, close to the bottom of the fermentation tank (1), and the inner cavity of the fermentation tank (1) is divided into an upper fermentation cavity (3) and a lower liquid collecting cavity (4) by the supporting plate (2);

the upper part of the fermentation cavity (3) is provided with a biogas collecting cover (10), the inner cavity of the biogas collecting cover (10) is communicated with one end of a biogas branch pipe (11), the other end of the biogas branch pipe (11) is connected with one end of a biogas main pipe (12), the other end of the biogas main pipe (12) is connected with the inlet of a gas circulating pump (13), and the outlet of the gas circulating pump (13) is communicated with a biogas combustion device (14) through a pipeline;

a hot flue gas branch pipe (16) and an air inlet pipe (17) are arranged in the liquid collection cavity (4); the hot flue gas branch pipe (16) is connected with one end of the hot flue gas main pipe (15), and the other end of the hot flue gas main pipe (15) is communicated with the biogas combustion device (14);

a first sealing plate (7) and a second sealing plate (8) which can be hinged and rotated are arranged at the top of the fermentation tank (1); a plurality of transverse rods (20) capable of moving transversely are arranged right above the supporting plate (2).

2. The waste fermentation system of claim 1, wherein: grid plate (5) is installed to the bottom of layer board (2), and bracket (6) are installed to the bottom of grid plate (5), and bracket (6) are fixed in fermentation vat (1) bottom.

3. The waste fermentation system of claim 1, wherein: the outer end parts of the first sealing plate (7) and the second sealing plate (8) are respectively hinged with the edge of the fermentation tank (1), and the inner end parts of the first sealing plate (7) and the second sealing plate (8) are buckled and connected.

4. A waste fermentation system as claimed in claim 3, wherein: the outer ends of the first sealing plate (7) and the second sealing plate (8) are respectively connected with the head of a piston rod of a hydraulic oil cylinder (9); the hydraulic oil cylinder (9) is arranged on two sides of the top of the fermentation tank (1), and the first sealing plate (7) and the second sealing plate (8) rotate along the hinge axis by the aid of the extension and retraction of the hydraulic oil cylinder (9).

5. The waste fermentation system of claim 1, wherein: the number of the hot smoke branch pipes (16) and the number of the air inlet pipes (17) are multiple, and the hot smoke branch pipes (16) and the air inlet pipes (17) are uniformly arranged along the length direction of the fermentation tank (1).

6. The waste fermentation system of claim 1, wherein: two ends of the cross rod (20) are respectively fixedly connected with the nut block (18); the number of the nut blocks (18) is two, and the nut blocks are symmetrically arranged; the nut block (18) is embedded in a chute on the inner side wall of the fermentation tank (1), and the nut block (18) is respectively in threaded connection with the screw rod (19); the lead screw (19) is connected with the motor, and the motor drives the lead screw (19) to rotate, so that the nut block (18) and the cross rod (20) can move transversely.