CN103805502B - A kind of hydrolysis sand removing process using of biogas engineering material - Google Patents
A kind of hydrolysis sand removing process using of biogas engineering material Download PDFInfo
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- CN103805502B CN103805502B CN201310723903.8A CN201310723903A CN103805502B CN 103805502 B CN103805502 B CN 103805502B CN 201310723903 A CN201310723903 A CN 201310723903A CN 103805502 B CN103805502 B CN 103805502B
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- tank
- tank body
- sand removing
- sand
- hydrolysis
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M45/00—Means for pre-treatment of biological substances
- C12M45/02—Means for pre-treatment of biological substances by mechanical forces; Stirring; Trituration; Comminuting
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M45/00—Means for pre-treatment of biological substances
- C12M45/20—Heating; Cooling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Abstract
The present invention relates to a kind of hydrolysis sand removing process using of biogas engineering material.Its needs to solve and simply effectively can realize the hydrolysis of raw material, sand setting and desanding, guarantees the problems such as the smooth running of follow-up anaerobic fermentation system.Sand removing process using of the present invention carries out in sand removing tank, following steps: A, material is dropped into sand removing tank tank body; B, treating material to be stirred; C, to be passed into by hot water and heat coil pipe, heat material, temperature is at 30 ~ 35 DEG C; D, reaction, after 1 ~ 2 day, discharge tank body by being hydrolyzed the material after desanding by material outlet; E, again repeating step A ~ D; F, when sand setting in tank body reach need cleaning height time, open the openable hermatic door that tank body tank skin is arranged, cleaning sand setting.
Description
Technical field
The present invention relates to a kind of for biogas engineering material pretreated material water solution sand removing process using.
Background technology
The fermentation raw material wide material sources of biogas engineering, comprise feces of livestock and poultry, organic waste, municipal sludge and processing of farm products waste etc.In many raw materials (as chicken manure, cow dung or organic waste), sand content is large, needs to be removed at pretreatment stage, avoids sand to enter subsequent cell, cause equipment attrition and line clogging.Sand is deposited in anaerobic fermentation tank, and tank body useful volume can be caused to reduce, and fermentation efficiency declines, the serious operation that also can affect whole anaerobic fermentation system.Current pre-treatment sand removing process using adopts the mode of biological hydrolysis or physical sedimentation phase.Hydrolysis is microbial process, needs stable temperature condition; The external force of sand setting process need appropriateness stirs.Chinese patent CN101892148A discloses a kind of method being applied to biogas material desanding operation, it is stirred by continuous print external force, by the sand separation postprecipitation in material in the bottom of processing vessel, then adopt an electric motor to drive a set of full automatic fettling installation, remove sand setting.The device structure more complicated that this technique uses, manufacturing cost is higher, component rapid wear, is not well positioned to meet the actual demand of natural pond processed operation.
Summary of the invention
The invention provides a kind of for biogas engineering pretreated material water solution sand removing process using, simply effectively can realize the hydrolysis of raw material, sand setting and desanding, guarantee the smooth running of follow-up anaerobic fermentation system.
A kind of material water solution sand removing process using for biogas engineering of the present invention, is included in the following steps of carrying out in material water solution sand removing tank:
A, treating material is dropped into material by material inlet be hydrolyzed sand removing tank tank body;
B, unlatching motor, use stirrer to stir treating material;
C, hot water is imported tank skin and heats at the bottom of coil pipe and tank by heating water inlet pipe and heat in coil pipe, heat feed liquid in tank, temperature controls at 30 ~ 35 DEG C;
D, reaction, after 1 ~ 2 day, close stirrer, stopping hot water importing, discharging tank body by being hydrolyzed the material after desanding by material outlet;
E, again repeating step A ~ D;
F, when sand setting in tank body reach need cleaning height time, open the openable hermatic door that tank body tank skin is arranged, cleaning sand setting.
What the present invention applied is the treating method that biological respinse and physical agitation combine, and is promoted the effect of biological respinse by the way importing hot water in reaction compartment, thus improves desanding efficiency.
As preferably, after above-mentioned D step terminates, in tank body, leftover materials liquid level is not less than 1/3 ~ 1/4 of tank body total height.The microorganism contained in leftover materials can be used as the inoculum of new material, suitable inoculum size and suitable heat coupling, can guarantee the breeding of hydrolysis flora advantage, make hydrolytic process in tank carry out fully, ensure desanding effect.
As preferably, described material water solution sand removing tank is primarily of heating coil pipe at the bottom of tank body, stirrer, material inlet and material outlet, tank, heating water inlet pipe, heating rising pipe composition; Described tank body tank skin arranges tank skin heating pipe support, support is fixed with tank skin and heats coil pipe, and the height that tank skin heats coil pipe is no more than 1/4 of tank body total height; Described stirrer is axially perpendicular to material liquid surface; Described tank body outer setting has thermal insulation layer; Described tank body tank skin is provided with openable hermatic door; Described tank body tank skin is provided with transparent level window.Heat coil pipe at the bottom of tank, tank skin heats coil pipe and heat for importing hot water; Stirrer is used to stir feed liquid, makes to be heated evenly, sufficient reacting; Thermal insulation layer reduces the calorific loss heated in process, save energy; Openable hermatic door is used for removing the sand setting be deposited at the bottom of tank; Transparent level window is in order to observe charging discharging process and inside processing situation; Inner tank wall is provided with the highest Liquid level line H and minimum liquid level control line L, with transparent level window in opposite directions.
As preferably, described tank body bottom surface tilts to hermatic door direction, and inclination alpha is 5 ° ~ 10 °.Bottom surface tilts to hermatic door, sand setting can be allowed more to be deposited on a side, be convenient to regular sand removal.
The hydrolysis sand removing process using of a kind of biogas engineering material of the present invention, employ material water solution sand removing tank, biological respinse and physical agitation and sand setting are combined, with simple hot water introduction method heated material, facilitate hydrolysis reaction effect, thus improve the efficiency of desanding, cost ineffective rate is high, is worth of widely use.
Accompanying drawing explanation
Accompanying drawing 1 be hydrolysis sand removing tank tank body of the present invention face structural representation;
Accompanying drawing 2 is plan structure schematic diagram of hydrolysis sand removing tank tank body of the present invention.
Illustrate: 1-tank body basis, 2-tank body, 3-tank skin heats coil pipe, 4-tank skin heating pipe support, heat coil pipe at the bottom of 5-tank, 6-heats water inlet pipe, 7-heats rising pipe, 8-openable hermatic door, 9-thermal insulation layer, 10-stirrer, 11-material inlet, 12-material outlet, the transparent level window of 13-, the highest Liquid level line of H-, L-minimum liquid level control line.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment 1: as shown in Figure 1, 2, a kind of material water solution sand removing process using for biogas engineering, employ material water solution sand removing tank, comprise tank body basis 1 and tank body 2, tank body 2 arranges tank skin and heats at the bottom of coil pipe 3 and tank and heat coil pipe 5, wherein tank skin heats coil pipe 3 and is fixed on tank body 2 inwall by tank body heating pipe support 4, heats coil pipe 5 and be arranged in tank body basis 1 at the bottom of tank.Tank body 2 outer setting thermal insulation layer 9, top arranges stirrer 10, and sidewall is provided with transparent level window 13, tank body 2 inwall is provided with the highest Liquid level line H and minimum liquid level control line L, with transparent level window 13 in opposite directions.Material enters in tank body 2 by material inlet 11, is stirred by stirrer 10.The hot water heated enters tank skin and heats at the bottom of coil pipe 3 and tank by heating water inlet pipe 6 and heat in coil pipe 5, realizes heating material in tank body 2.Hot water after heating is discharged by heating rising pipe 7.Material after hydrolysis desanding discharges tank body 2 by material outlet 12, enters follow-up anaerobically fermenting unit.
In tank body 2, material hydrolysis temperature controls at 30 DEG C, and material residence time in tank is 2 days.Material liquid level in tank body 2 fluctuates between the highest liquid level H and minimum liquid level L.At the end of charging, material reaches the highest liquid level H.After hydrolysis desanding end of processing, in tank body 2, material is discharged by material outlet 12, and in tank body 2, liquid level is down to minimum liquid level control line L.As preferably, in tank, minimum liquid level control line H is 1/4 of tank body 2 height overall, namely each retain in tank 1/4 material, as the inoculum of hydrolytic process.
Tank body 2 arranges openable hermatic door 8, and openable hermatic door 8 can regularly be opened, for the cleaning of sand setting in tank body 2.The bottom surface of tank body tilts to hermatic door direction, and gradient is 5 °, makes more fallen sand accumulation by door, cleaning of being more convenient for.
Whole charging discharging process, liquid level position and inside processing situation all can be implemented to observe and monitoring by transparent level window 13.
Should be understood that this embodiment is only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
Claims (3)
1. a hydrolysis sand removing process using for biogas engineering material, is included in the following steps of carrying out in material water solution sand removing tank:
A, by treating material by material inlet (11) drop into material be hydrolyzed sand removing tank tank body (2);
B, unlatching motor, use stirrer (10) to stir treating material;
C, hot water is imported tank skin and heats at the bottom of coil pipe (3) and tank by heating water inlet pipe (6) and heat in coil pipe (5), heat feed liquid in tank, temperature controls at 30 ~ 35 DEG C;
D, reaction, after 1 ~ 2 day, close stirrer (10), stop hot water importing, and discharge tank body (2) by being hydrolyzed the material after desanding by material outlet (12);
E, again repeating step A ~ D;
F, when sand setting in tank body (2) reach need cleaning height time, open the openable hermatic door (8) that tank body (2) tank skin is arranged, cleaning sand setting;
Described material water solution sand removing tank is primarily of heating coil pipe (5) at the bottom of tank body (2), stirrer (10), material inlet (11) and material outlet (12), tank, heating water inlet pipe (6), heating rising pipe (7) composition; Described tank body (2) tank skin arranges tank skin heating pipe support (4), support is fixed with tank skin and heats coil pipe (3), and the height that tank skin heats coil pipe (3) is no more than 1/4 of tank body (2) total height; Described stirrer (10) is axially perpendicular to material liquid surface; Described tank body (2) outer setting has thermal insulation layer (9); Described tank body (2) tank skin is provided with openable hermatic door (8); Described tank body (2) tank skin is provided with transparent level window (13); Described tank body (2) bottom surface tilts to hermatic door (8) direction, and inclination alpha is 5 ° ~ 10 °.
2. the hydrolysis sand removing process using of a kind of biogas engineering material according to claim 1, it is characterized in that: after described D step terminates, in tank body, leftover materials liquid level is not less than 1/4 of tank body (2) total height.
3. the hydrolysis sand removing process using of a kind of biogas engineering material according to claim 1 and 2, is characterized in that: tank body (2) inwall is provided with the highest Liquid level line H and minimum liquid level control line L, with transparent level window (13) in opposite directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310723903.8A CN103805502B (en) | 2013-12-25 | 2013-12-25 | A kind of hydrolysis sand removing process using of biogas engineering material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310723903.8A CN103805502B (en) | 2013-12-25 | 2013-12-25 | A kind of hydrolysis sand removing process using of biogas engineering material |
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| CN103805502A CN103805502A (en) | 2014-05-21 |
| CN103805502B true CN103805502B (en) | 2016-03-02 |
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| CN201310723903.8A Active CN103805502B (en) | 2013-12-25 | 2013-12-25 | A kind of hydrolysis sand removing process using of biogas engineering material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107118940A (en) * | 2016-02-25 | 2017-09-01 | 北京科林思源能源环境科技发展有限责任公司 | A kind of high temperature pyrolysis material sand separation technology |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2586698Y (en) * | 2002-11-21 | 2003-11-19 | 张桂苓 | Fermentation tank |
| CN101475296A (en) * | 2009-02-09 | 2009-07-08 | 内蒙古蒙牛生物质能有限公司 | Feces desander and desanding method |
| CN202460214U (en) * | 2012-03-17 | 2012-10-03 | 山东民和生物科技有限公司 | Livestock and poultry excrement stirring, sand removing and impurity removing device |
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- 2013-12-25 CN CN201310723903.8A patent/CN103805502B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2586698Y (en) * | 2002-11-21 | 2003-11-19 | 张桂苓 | Fermentation tank |
| CN101475296A (en) * | 2009-02-09 | 2009-07-08 | 内蒙古蒙牛生物质能有限公司 | Feces desander and desanding method |
| CN202460214U (en) * | 2012-03-17 | 2012-10-03 | 山东民和生物科技有限公司 | Livestock and poultry excrement stirring, sand removing and impurity removing device |
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| CN103805502A (en) | 2014-05-21 |
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