CN103402929A

CN103402929A - Eco-friendly system for generating a bio gas in high concentration and treating fermentation remnants using livestock excretions

Info

Publication number: CN103402929A
Application number: CN2012800007936A
Authority: CN
Inventors: 黄相九
Original assignee: KOREA TOTAL CHEMICAL CO Ltd
Current assignee: KOREA TOTAL CHEMICAL CO Ltd
Priority date: 2011-02-11
Filing date: 2012-02-10
Publication date: 2013-11-20
Also published as: KR101047169B1; WO2012108727A3; WO2012108727A2

Abstract

The present invention relates to an eco-friendly system for generating a bio gas in high concentration and treating fermentation remnants using livestock excretions, and more particularly, to a system which generates electricity using high temperature methane gas generated by anaerobically fermenting livestock excretions and which makes all the digestive fluid remaining after the fermentation into sludge without separating solids and liquid from each other to produce high caloric charcoals which can be used as fertilizer. For this, the eco-friendly system includes an excretion throwing part, a preheating part for preheating the excretion thrown through the excretion throwing part, a high temperature fermentation part in which a tank storing the preheated excretions is partitioned by a partitioning wall to ferment the excretions at a high temperature while circulating the excretions, a moisture removal and desulfurization part for liquefying vapor generated during the fermentation of the excretions to remove the vapor and desulfurize hydrogen sulfide, a gas storage part for collecting a methane gas and a carbon dioxide gas to store the collected methane and carbon dioxide gases, a power generation part for combusting the methane gas to generate electricity, a digestive fluid storage part for storing overflowing digestive fluid, a sludge part for processing the digestive fluid into digestive fluid sludge, a carbonization part for carbonizing the digestive fluid sludge to produce high caloric charcoals and composts, and a boiler heating device for utilizing waste heat remaining after the heat is used for generating the electricity.

Description

The environment-friendly disposal system of the residue that utilizes the high density biogas generation of livestock waste and ferment

Technical field

The environment-friendly disposal system of the residue that the present invention relates to utilize the high density biogas generation of livestock waste and ferment, relate in particular to utilize the livestock products fecaluria is carried out to anaerobically fermenting and the methane of the high temperature that produces produces electric power, and remaining whole Digestive system after fermentation is carried out to mud under the state that does not carry out solid-liquid separation, to produce the system that can be used as the caloric charcoal of height of fertilizer.

Background technology

The treatment process of existing livestock products fecaluria is processed through following process, namely, by to holding the former water of excrement, carrying out the fecaluria separation, for solids component process Composting Process (3～6 months), for liquid component, in order to realize liquid fertilizer, through (3～6 months) during maturation, process thus.

But various livestock products fecalurias are causing various resentments aspect stench and water pollution, and, because farmland that can spreading is inadequate, therefore can not process on land whole livestock products fecalurias.

And, after fermentation, the Digestive system of residual Digestive system becomes branch to be penetrated into water drain, underground water etc., thereby cause the secondary water pollution issue, and exist the Digestive system be not dispensed onto farmland will be discarded into the problem in ocean, but also exist for purifying treatment become to release water quality facility setup fee or be used to the problem economically of the expense of the wastewater treatment that connects processing.

Summary of the invention

Technical problem

To this, the present invention proposes in order to solve problem as above existing all, the object of the present invention is to provide a kind of fermentation system that utilizes the livestock products fecaluria of the biogas production electric energy that utilizes fermentation livestock products fecaluria and obtain.

Another object of the present invention is to provide a kind of the Digestive system that flows out after the fermentation of livestock products fecaluria is cured and is processed into the mud form, the recycling treatment system that utilizes the livestock products fecaluria of compost and fuel can be provided thus.

Technical scheme

The environment-friendly disposal system of the residue that utilizes the high density biogas generation of livestock waste and ferment of the present invention comprises: fecaluria drops into unit; Preheating unit, be preheating to the temperature of 52～55 ℃ by the fecaluria of putting into described fecaluria input unit; ，You next door, thermophilic fermentation unit is to for storing through the container of the fecaluria of described preheating unit preheating, cutting apart, and makes fecaluria centered by the communicating pores in the next door cut apart, carry out thermophilic fermentation when loopy moving; Moisture removal and desulfurization unit, in the gas of methane, carbonic acid gas, hydrogen sulfide and the water vapour that generates when fecaluria ferments in described thermophilic fermentation unit, liquefy and remove water vapour, and hydrogen sulfide is carried out to desulfurization; The gas storage unit, capture methane gas in described gas and carbon dioxide stores; Generator unit, the methane gas that is stored in described gas storage unit by burning generates electricity; The Digestive system storage element, stored by the Digestive system of overflow when in described thermophilic fermentation unit, fermenting; Digestive system mud unit, the Digestive system that makes to be stored in described Digestive system storage element solidify and are processed into Digestive system mud; Carbonation unit, make the carbonization of described Digestive system mud and produce high caloric charcoal and compost.

The invention effect

The present invention is by the utilization biogas production electric energy that the livestock products fecaluria obtains that ferments, thereby have, prevent that greenhouse gases from producing and preventing the effect of the land processing fossil oil exhaustion, efficient and cost-effective, and be cured and be processed into the mud form by the Digestive system to flowing out from the livestock products fecaluria, produce compost and fuel, thereby make waste have the value that becomes resource from waste.

The accompanying drawing explanation

Fig. 1 is sketch chart of the present invention.

Fig. 2 to Fig. 4 is working state figure of the present invention.

Nomenclature:

100: fecaluria input port 110: drop into pipe

200: preheating unit 300: the thermophilic fermentation unit

310: container 320: next door

330: fecaluria mobile unit 340: the thermal source feeding unit

400: moisture removal and desulfurization unit 500: gas storage unit

510: pressure opens and closes parts 600: generator unit

700: Digestive system storage element 710: upflow tube

800: Digestive system mud unit 900: carbonation unit

1000: the boiler heating unit

Embodiment

Below, describe according to accompanying drawing that the high density biogas that utilizes livestock waste provided by the present invention produces and the preferred embodiment of the environment-friendly disposal system of the residue of fermentation in detail.

Illustrate below when of the present invention, when thinking that for illustrating of related known function or formation, likely can obscure main idea of the present invention the time, description is omitted.And term described later is to consider function in the present invention and the term that defines, and this term is according to user, network operator's intention or precedent and may be different, and accordingly, the meaning of each term should make an explanation based on whole content of the present invention.

At first, the high density biogas that utilizes livestock waste of the present invention produces and the environment-friendly disposal system of the residue of fermentation comprises: fecaluria drops into unit; Preheating unit, be preheating to 52～55 ℃ by the fecaluria of putting into aforementioned fecaluria input unit; ，You next door, thermophilic fermentation unit is to for storing through the container of the fecaluria of aforementioned preheating unit preheating, cutting apart, and makes fecaluria centered by the communicating pores in the next door cut apart, carry out thermophilic fermentation when loopy moving; Moisture removal and desulfurization unit, in the gas of methane, carbonic acid gas, hydrogen sulfide and the water vapour that generates when fecaluria ferments in aforementioned thermophilic fermentation unit, liquefy and remove water vapour, and hydrogen sulfide is carried out to desulfurization; The gas storage unit, capture methane gas in aforementioned gas and carbon dioxide is stored; Generator unit, the methane gas that is stored in aforementioned gas storage unit by burning generates electricity; The Digestive system storage element, to being stored by the Digestive system of overflow in the process of fermenting in described thermophilic fermentation unit; Digestive system mud unit, the Digestive system that makes to be stored in aforementioned Digestive system storage element solidify and are processed into Digestive system mud; Carbonation unit, make the carbonization of aforementioned Digestive system mud and produce high caloric charcoal and compost.

As another embodiment of the present invention, also can comprise to utilize aforementioned generator generate electricity after the boiler heating combined equipment applied of remaining used heat.

As another embodiment of the present invention, also can comprise: container stores and puts into the fecaluria that aforementioned fecaluria drops into unit; More than one next door, be fixed in the inner crest face of aforementioned container and cut apart the inside of container, and divided space is communicated with; The fecaluria mobile unit, move fecaluria centered by aforementioned more than one next door; The thermal source feeding unit, to aforementioned next door supplied heat source.

As another embodiment of the present invention, at aforementioned internal tank, also can comprise and drop into pipe, with the fecaluria be used to making to put into fecaluria input unit, be fed to the container bottom.

As another embodiment of the present invention, the communicating pores in aforementioned next door tiltably forms, so that fecaluria is mobile smooth and easy.

As another embodiment of the present invention, the inside in described next door can be formed with the thermal source supply line of thermal source feeding unit.

Below, according to accompanying drawing, describe one embodiment of the invention in detail.

Fig. 1 is pie graph of the present invention.

The present invention forms by comprising fecaluria to drop into unit 100, preheating unit 200, thermophilic fermentation unit 300, moisture removal and desulfurization unit 400, gas storage unit 500, generator unit 600, Digestive system storage element 700, Digestive system mud unit 800, carbonation unit 900, forming of boiler heating unit 1000.

Below the course of action of the present invention of formation like this described.

At first, for storing and the container 310 of the fecaluria that ferments is preferably and remains vacuum state, and as shown in Figures 2 to 4, put into fecaluria that fecaluria drops into unit 100 after preheating unit 200 is preheated and is the temperature of 52～55 ℃, when by more than one input pipe 110, being fed to the bottom of container 310, according to the amount of input fecaluria, the liquid level of fecaluria rises on the first Room 311, the second Room 312 and the 3rd 313De top, Room by next door 320, cut apart.

At this moment, aforementioned fecaluria is under the state on the 320De upper end, more than one next door that is positioned at thermophilic fermentation unit 300 or top, the thermal source that thermal source feeding unit 340 produces is according to the control of control unit (not shown) and circulation in thermal source supply line 341, the thermal source of circulation is a certain in high temperature fluid or steam in aforementioned thermal source supply line 341, at this, is preferably high temperature fluid.

In aforementioned next door 320, be built-in with thermal source supply line 341, the temperature in next door 320 rises according to the thermal source of high temperature fluid, when repeatedly carrying out thus the process of carrying out heat exchange with fecaluria, make the temperature of fecaluria increase, the fecaluria that temperature rises is according to flow phenomenon, and is mixed in container 310 internal recycling.

In this state, utilize the action of fecaluria mobile unit 330, suction is positioned at the fecaluria of the second Room 312 and is supplied to the first Room 311 and the 3rd Room 313.At this moment, the fecaluria that is positioned at aforementioned the second Room 312 is provided to the first Room 311 and the 3rd Room 313 and when mixing, according to the speed of the fecaluria of supplying, move to the inside of the first Room 311 and the 3rd Room 313, also with the fecaluria of the bottom that is positioned at each chamber, form heat exchange thus, thereby fecaluria can be remained uniform temperature.

And, the fecaluria of aforementioned the second Room 312 supplies seasonable towards the first Room 311 and the 3rd Room 313, need the mobile fecaluria that is positioned at the first Room 311 and the 3rd Room 313, and repeatedly carry out following process, namely, when the fecaluria that is positioned at aforementioned each chamber moves to the second Room 312 via the communicating pores 321 of the inclination in next door 320, the fecaluria that is positioned at the second Room 312 around the communicating pores 321 of inclination by moving to aforementioned the second Room 312 the first Room 311 and the fecaluria of the 3rd Room 313 move to the second 312De top, Room.

At this, for fecaluria can flow swimmingly, aforementioned communicating pores 321 preferred angled ground run through.

In addition, it is opposite with the situation that fecaluria by aforementioned the second Room 312 is supplied to the first Room 311 and the 3rd Room 313 that the fecaluria that is positioned at aforementioned the first Room 311 and the 3rd Room 313 due to suction is supplied to the situation of the second Room 312, and therefore description thereof is omitted.

In the process by above-mentioned, move in the process that the fecaluria that mixes each chamber ferments, the organic waste of the fecaluria of domestic animal is through hydrolysis (carbohydrate → carbohydrate, protein → amino acid, fat → lipid acid), acid generates (various alcohols and acid), acetic acid generates (acetic acid, hydrogen) process, according to the propagation of methanobacteria, finally generate the methane (CH of high density ₄), carbonic acid gas (CO ₂), water vapour (H ₂O) and hydrogen sulfide (H ₂The gas such as S).

According to the above-mentioned gas that generates, repeatedly carry out following process, that is, the pressure of container 310 inside uprises, thereby reaches preset air pressure when above, and pressure opens and closes parts 510 and will be opened, and when preset air pressure was following, pressure opened and closed parts 510 and will be closed.

For water vapour and hydrogen sulfide in the aforementioned gas that opens and closes parts 510 discharges by pressure, by moisture removal and 400 pairs of water vapour of desulfurization unit, undertaken coolingly making it become liquid state to remove, to hydrogen sulfide, by the wet type desulfurizing method of utilizing sodium hydroxide (NaOH), itself and caustic soda reaction are removed.

Gas to remaining methane and carbon dioxide after removal water vapour and hydrogen sulfide in aforementioned gas captures, to be stored into gas storage unit 500.

Generator unit 600 receives the methane gas that is stored in gas storage unit 500, by combustion of methane gas-powered engine, generates electricity.

Aforementioned generator unit is for being transformed to existing diesel-fueled engine in the generator of gaseous propellant engine, it is a kind of biogas generator, possesses the generator engine that can use liquefied petroleum gas (LPG) (LPG), natural gas liquids (LNG), biogas (BIOGAS) fuel to generate electricity, efficiency shows as 40～45% degree, every 1m ³Biogas production go out the electric power of 2.5KWh, noise grade is 50dB under the 1m distance, and possesses self sound arrester.

After burning, remaining used heat is provided to boiler heating unit 1000 in generator unit 600, to be used as boiler hot.

Fecaluria circulation and the Digestive system that is fermented by fecaluria mobile unit 330 to each chamber circulation time, the wave phenomenon of undulation will occur, thereby formation overflow, the Digestive system of overflow is discharged and is stored into Digestive system storage element 700 by upflow tube 710, and stored Digestive system is supplied to Digestive system mud unit 800 again.

It is 98% degree that the Digestive system that is supplied to Digestive system mud unit 800 shows its water ratio, but by mixing coconut palm fine soil (Coco peat) (water ratio 15%) and auxiliary, carry out all curing operations of amount, so that the water ratio of Digestive system is 85% degree.

Digestive system mud through solidifying is provided to carbonation unit 900, and be carbonized by the process that the temperature with more than 400 ℃ is carried out carbonization, at this because the Digestive system that ferments consists of a large amount of moisture, a small amount of organism and inorganics etc., thereby while for the Digestive system mud of the nuisanceless corpuscular property organic composition that this has been added to the fine soil of coconut palm (Coco peat), carrying out carbonization, to produce charcoal and the compost of high calorie (more than 4,000kcal).

The present invention as above, by the utilization biogas production electric energy that the livestock products fecaluria obtains that ferments, have and prevent that greenhouse gases from producing and preventing the effect of the land processing fossil oil exhaustion, efficient and cost-effective, and be cured and be processed into the mud form by the Digestive system to flowing out from the livestock products fecaluria, produce compost and fuel, thereby make waste have the value that becomes resource from waste.

Although the present invention has illustrated the embodiment that limits with reference to the accompanying drawings, the term that uses in this specification sheets and claims or word can not be interpreted as being confined to the meaning on dictionary, should be interpreted as meeting the meaning and the concept of the technology of the present invention thought.Therefore, the embodiment that puts down in writing in this manual and the formation shown in accompanying drawing only are one embodiment of the invention, can not represent all technological thoughts of the present invention, therefore from applying for that starting point consideration of the present invention should be understood to exist multiple equivalent and the variation that can replace these.

Claims

1. the environment-friendly disposal system of a residue that utilizes the high density biogas generation of livestock waste and ferment, is characterized in that, comprising:

Fecaluria drops into unit;

Preheating unit, be preheating to the temperature of 52～55 ℃ by the fecaluria of putting into described fecaluria input unit;

，You next door, thermophilic fermentation unit is to for storing through the container of the fecaluria of described preheating unit preheating, cutting apart, and makes fecaluria centered by the communicating pores in the next door cut apart, carry out thermophilic fermentation when loopy moving;

Moisture removal and desulfurization unit, in the gas of methane, carbonic acid gas, hydrogen sulfide and the water vapour that generates when fecaluria ferments in described thermophilic fermentation unit, liquefy and remove water vapour, and hydrogen sulfide is carried out to desulfurization;

The gas storage unit, capture methane gas in described gas and carbon dioxide is stored;

Generator unit, the methane gas that is stored in described gas storage unit by burning generates electricity;

The Digestive system storage element, stored by the Digestive system of overflow when in described thermophilic fermentation unit, fermenting;

Digestive system mud unit, the Digestive system that makes to be stored in described Digestive system storage element solidify and are processed into Digestive system mud;

Carbonation unit, make the carbonization of described Digestive system mud and produce high caloric charcoal and compost;

The boiler heating combined equipment, to utilize described generator generate electricity after remaining used heat be applied,

Described thermophilic fermentation unit comprises:

Container, store and put into the fecaluria that described fecaluria drops into unit;

More than one next door, be fixed in the inner crest face of described container and cut apart the inside of container, and divided space is communicated with;

The fecaluria mobile unit, move fecaluria centered by described more than one next door;

The thermal source feeding unit, to described next door supplied heat source.

2. the high density biogas that utilizes livestock waste as claimed in claim 1 produces and the environment-friendly disposal system of the residue of fermentation, it is characterized in that, described internal tank also comprises dropping into manages, and with the fecaluria be used to making to put into fecaluria input unit, is fed to the container bottom.

3. the environment-friendly disposal system of the residue that utilizes the high density biogas generation of livestock waste and ferment as claimed in claim 1, is characterized in that, the communicating pores in described next door is formed obliquely, so that fecaluria is mobile smooth and easy.

4. the environment-friendly disposal system of the residue that utilizes the high density biogas generation of livestock waste and ferment as claimed in claim 3, is characterized in that, the inside in described next door is formed with the thermal source supply line of thermal source feeding unit.