CN104801529A - Two-phase wet anaerobic fermentation system capable of reducing scum and sediment - Google Patents
Two-phase wet anaerobic fermentation system capable of reducing scum and sediment Download PDFInfo
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- CN104801529A CN104801529A CN201510144880.4A CN201510144880A CN104801529A CN 104801529 A CN104801529 A CN 104801529A CN 201510144880 A CN201510144880 A CN 201510144880A CN 104801529 A CN104801529 A CN 104801529A
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- filter
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- liquid outlet
- anaerobic fermentation
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Abstract
The invention discloses a two-phase wet anaerobic fermentation system capable of reducing scum and sediment. The system mainly comprises an acidification tank, a dehydration device and a fermentation tank, wherein materials flow out of the acidification tank and flow into the dehydration device, and filtrate after dehydration enters the acidification tank through a pipe.
Description
Technical field
The invention belongs to biomass garbage recycling treatment and utilize field, be specifically related to a kind of two-phase wet-type anaerobic fermentation system reducing scum silica frost and desilting.
Background technology
Changing food waste is the sanitary waste that resident is formed in personal consumption process, and the dining room of residential block, restaurant, various enterprises and institutions is that it concentrates the place of discharge.The general food residues produced in food processing process is called " kitchen is remaining " and food residues after diet consumption is called " hogwash ".The former composition is mainly dish leaf, pericarp, carbohydrate content are high; The latter's starch, protein, fat are main, also show high salinity, the heavy feature of free state fat simultaneously, and easily for microorganism utilizes, moisture content is high.
At present, China mainly comprises the effective processing mode of the rubbish that this biomass content is high: sanitary landfills, burning electricity generation, aerobic compost and anaerobic fermentation etc., wherein first three plants processing mode application comparatively early and Application comparison is extensive, but resource utilization degree is low, easy generation secondary pollution, process is high with follow-up maintenance cost indirectly.And two-phase wet-type anaerobic fermentation is as a kind of emerging technology, low, the innoxious new direction having become biomass garbage process with resource utilization degree high of easily control, cost.
Because of the complexity of component of refuse, cause in anaerobic fermentation process, there will be the problem such as scum silica frost and desilting, cause in line clogging, equipment corrosion and tank body occur scum silica frost bind produce dangerous.So how to solve the scum silica frost and desilting problem that produce in sweat, can become this technique the key of trouble-free operation.
Summary of the invention
The object of this invention is to provide the two-phase wet-type anaerobic fermentation system that can reduce scum silica frost and desilting.After material acidifying completely, enter anaerobic fermentation tank before husky process is fallen to it, reduce the attrition and attack to delivery pump, pipeline and tank body, decrease the accumulation of material tank body top scum silica frost in anaerobic processes simultaneously, thus greatly reduce the operation expense in later stage, improve treatment effeciency.
The present invention carries out Separation of Solid and Liquid mainly for the acidifying solution of discharging from acidifying mutually, enters anaerobism again and ferments mutually, form primarily of souring tank, inlet, filter plate, filter frame, hold down gag, liquid outlet, collector tube and fermentation tank after reducing filtrate solid content.
Described inlet is connected with acidifying phase discharging opening, and from then on acidifying solution flows into.
Being inlaid with filter opening size in described filter plate is 90 orders.
Described filter plate is fixed on filter frame, is moved around by hold down gag.
Described liquid outlet is positioned at filter frame bottom, and after filter plate compresses, from then on filtrate flowed out.
Described collector tube is connected with liquid outlet, and filtrate finally flows into anaerobic jar by collector tube.
The silt content that effectively can reduce zymotic fluid in the present invention, solves scum silica frost and to harden the harm of binding, reduce the wearing and tearing of equipment, line clogging, extend the service life of equipment, reduce operation expense, meet environmental protection and energy regeneration requirement.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Description of reference numerals: 1, souring tank; 2, inlet; 3, filter frame; 4, filter plate; 5, hold down gag; 6, collector tube; 7, liquid outlet; 8, support; 9 anaerobic jars.
Detailed description of the invention
First not fermentable for major part inorganic contaminants is separated through sorting pretreatment by organic solid waste, hydrolysis acidification reaction is completed through 1 souring tank, acidifying solution enters 4 filter plates by 2 inlets, and system enters automatic charge state, and in charging process, 5 hold down gags are in closed condition; After 4 all filter plates have been feeded, inlet is closed, 5 hold down gags are opened automatically, by the acting in conjunction with 3 filter frames, 4 filter plates are extruded, in the process of extruding, acidifying solution carries out Separation of Solid and Liquid by 90 object filter clothes in 4 filter plates, is got rid of by a part of inanimate matter grains of sand, and filtrate enters 9 anaerobic jars by pipeline after flowing out from 7 liquid outlets and collecting in 6 collector tubes.After squeeze pressure reaches setting, 5 hold down gags stop extruding and bounce back 3 filter plates to pull open and carry out discharging, and after discharging completes, a work period of system terminates.
Claims (2)
1. can reduce the two-phase wet-type anaerobic fermentation system of scum silica frost and desilting, it is characterized in that: described system forms primarily of souring tank, dewater unit and fermentation tank, material flows out from souring tank and enters dewater unit, and after dehydration, filtrate enters souring tank by pipeline.
2. the dewater unit according to claim 1, is characterized in that, described device is made up of inlet, filter plate, filter frame, hold down gag, liquid outlet, collector tube and anaerobic jar; Described inlet is connected with acidifying phase discharging opening, and from then on acidifying solution flows into; Being inlaid with filter opening size in described filter plate is 90 orders, is fixed on filter frame, is moved around by hold down gag; Described liquid outlet is positioned at filter frame bottom, and after filter plate compresses, from then on filtrate flowed out; Described collector tube is connected with liquid outlet, and filtrate finally flows into anaerobic jar by collector tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510144880.4A CN104801529A (en) | 2015-03-31 | 2015-03-31 | Two-phase wet anaerobic fermentation system capable of reducing scum and sediment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510144880.4A CN104801529A (en) | 2015-03-31 | 2015-03-31 | Two-phase wet anaerobic fermentation system capable of reducing scum and sediment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104801529A true CN104801529A (en) | 2015-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510144880.4A Pending CN104801529A (en) | 2015-03-31 | 2015-03-31 | Two-phase wet anaerobic fermentation system capable of reducing scum and sediment |
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| CN (1) | CN104801529A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555087A (en) * | 2008-04-11 | 2009-10-14 | Hanbat大学校产学协力团 | Combined anaerobic process apparatus for treating organic wastes |
| CN101862747A (en) * | 2009-04-15 | 2010-10-20 | 上海派升环保科技有限公司 | Two-phase wet-type anaerobic digestion treatment method of food waste |
| KR101032608B1 (en) * | 2010-11-30 | 2011-05-06 | 현대건설주식회사 | System for treating organic waste |
| CN202289611U (en) * | 2011-10-23 | 2012-07-04 | 南京白云化工环境监测有限公司 | Filter press |
| CN103820312A (en) * | 2014-03-05 | 2014-05-28 | 东南大学 | Two- phase anerobic fermentation biogas production system |
-
2015
- 2015-03-31 CN CN201510144880.4A patent/CN104801529A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555087A (en) * | 2008-04-11 | 2009-10-14 | Hanbat大学校产学协力团 | Combined anaerobic process apparatus for treating organic wastes |
| CN101862747A (en) * | 2009-04-15 | 2010-10-20 | 上海派升环保科技有限公司 | Two-phase wet-type anaerobic digestion treatment method of food waste |
| KR101032608B1 (en) * | 2010-11-30 | 2011-05-06 | 현대건설주식회사 | System for treating organic waste |
| CN202289611U (en) * | 2011-10-23 | 2012-07-04 | 南京白云化工环境监测有限公司 | Filter press |
| CN103820312A (en) * | 2014-03-05 | 2014-05-28 | 东南大学 | Two- phase anerobic fermentation biogas production system |
Non-Patent Citations (1)
| Title |
|---|
| 丁启圣等: "《新型实用过滤技术（第2版）》", 31 January 2005 * |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150729 |
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| WD01 | Invention patent application deemed withdrawn after publication |