CN202193786U - MSW anaerobic digestion treatment device - Google Patents
MSW anaerobic digestion treatment device Download PDFInfo
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- CN202193786U CN202193786U CN 201120348837 CN201120348837U CN202193786U CN 202193786 U CN202193786 U CN 202193786U CN 201120348837 CN201120348837 CN 201120348837 CN 201120348837 U CN201120348837 U CN 201120348837U CN 202193786 U CN202193786 U CN 202193786U
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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
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
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- 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
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/16—Solid state fermenters, e.g. for koji production
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- 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
- C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
- C12M27/02—Stirrer or mobile mixing elements
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- 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
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
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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
- C12M45/04—Phase separators; Separation of non fermentable material; Fractionation
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Abstract
The utility model relates to the field of waste anaerobic digestion treatment, in particular to an MSW (Municipal Solid Waste) anaerobic digestion treatment device. The device comprises an anaerobic digestion tank (1), a pretreatment device and a waste material collecting device, and is characterized in that a feeding port (2) is formed above the anaerobic digestion tank (1); a feeding valve (3) is connected below the feeding port (2); a feeding driving device (4) is mounted on one side of the feeding valve; a gas storing room (12) is connected to a lower port of the feeding valve; a gas guide pipe (10), a heat supplying pipe (9) and a liquid adding pipe (16) are arranged above the gas storing room; a digestion room (13) is connected to the lower part of the gas storing room; a liquid storing room (14) is connected to the lower part of the digestion room; a discharging pipe (5) is connected to a lower port of the liquid storing room; a discharging valve (6) is connected to a lower port of the discharging pipe; and a discharging driving device (7) is mounted on one side of the discharging valve. The device provided by the utility model has the advantages of simple and practical structure, complete anaerobic digestion, high gas generation rate and recyclability in operation.
Description
[technical field]
The utility model relates to the anaerobic digestion of refuse process field, specifically a kind of device that is used to handle the domestic waste anaerobic digestion.
[background technology]
The domestic waste anaerobic digestion process is a kind of novel garbage treatment technology at present, because domestic waste often contains high concentrated organic wastewater, needing to use anaerobic process pre-treatment, the principal facility of anaerobic treatment is anaerobic digestion device.The kind of anaerobic digestion device is a lot, and the structure formation by between digestion has circle, rectangle; By the gas storage mode air-bag type, hydraulic type and cover-floating type are arranged.The traditional technology hydraulic type biomass pool is because temperature is unstable, and gas production rate is unstable, so raw material availability is low.At present, existing slaking apparatus adopts hydraulic drive open and close cover device more, and discharge adopts the pneumatically operated slide valve.Because the feeding unit of hydraulic drive open and close cover has used a plurality of hydraulic actuators, operation, system more complicated, and failure rate is higher, keeps in repair cumbersome.The pneumatically operated plate valve that is used for discharge is because of reasons such as valve body structures, and the opening time is longer relatively, and needs the labor cleaning after using for some time, uses extremely inconvenient.
[summary of the invention]
The purpose of the utility model is to remedy the deficiency of above-mentioned technology, provide a kind of digest complete, easy to operate, for ease of maintenaince, economical and practical novel anaerobic digestion device.
To achieve these goals, a kind of device that is used to handle the domestic waste anaerobic digestion of the utility model design comprises anaerobic digestor (1); Pretreatment unit and waste material collection device is characterized in that said anaerobic digestor (1) top is provided with opening for feed (2), and opening for feed (2) below connects feed valve (3); One side of feed valve (3) is equipped with charging drive unit (4); The end opening of feed valve (3) connects air storage chamber (12), and the top of air storage chamber (12) is provided with gas tube (10), heating tube (9) and liquid adding bottle (16), and said air storage chamber (12) bottom connects digestion chamber (13); Inside, digestion chamber (13) is provided with whisking appliance (8); Be covered with zone of heating (15) around digestion chamber (13) tank body, digestion chamber's outer side wall is provided with manhole (11), and bottom, digestion chamber (13) connects fluid reservoir (14); Fluid reservoir (14) end opening connects the suitable for reading of extraction line (5); The end opening of extraction line (5) connects bleeder valve (6), and a side of bleeder valve (6) is equipped with discharging drive unit (7), and said fluid reservoir (14) is connected with liquid adding bottle (16) through recycle pump (17).
Described opening for feed (2) links to each other with said pretreatment unit.
Described gas tube (10) links to each other with said waste material collection device.
Described feed valve (3) and bleeder valve (6) all adopt the semisphere valve of hard sealing, and valve body is provided with the maintenance access opening.
Described feed valve (3) and bleeder valve (6) all adopt hard, the soft combination semisphere valve control of electric driving operations, and be controlled at about 50 seconds the switching time of valve.
The thickness of described zone of heating (15) is 3～5cm, and material is that stainless steel is anticorrosion, continues to import steam through heating tube (9) digestion chamber (13) are heated, and temperature guarantees at 40～65 ℃.
Storage has digestion bacterium liquid in the said fluid reservoir (14), is conveyed into liquid adding bottle (16) by recycle pump (17).
Be provided with whisking appliance (8) in the said digestion chamber (13), when the temperature of digestion chamber progressively raise, the whisking appliance (8) of opening digestion chamber (13) regularly stirred.
The utility model compared with prior art; Its advantage is: simple and practical, anaerobic digestion is complete, factor of created gase is high, can recycle between the operation capable of circulation, each technology; Not only reach and handle the domestic refuse purpose, but also the biogas of continous-stable can be provided.
[description of drawings]
Fig. 1 is the structural representation of the utility model;
Referring to Fig. 1,1 is anaerobic digestor, and 2 is opening for feed, and 3 is feed valve, and 4 are the charging drive unit; 5 is extraction line, and 6 is bleeder valve, and 7 are the discharging drive unit, and 8 is whisking appliance, and 9 is heating tube; 10 is gas tube, and 11 is manhole, and 12 is air storage chamber, and 13 is the digestion chamber; 14 is fluid reservoir, and 15 is zone of heating, and 16 is liquid adding bottle, and 17 is recycle pump.
[embodiment]
Below in conjunction with accompanying drawing, the utility model is further specified.
A kind of device that is used to handle the domestic waste anaerobic digestion of the utility model design comprises anaerobic digestor (1), pretreatment unit and waste material collection device; Anaerobic digestor (1) top is provided with opening for feed (2), and opening for feed (2) below connects feed valve (3), and a side of feed valve (3) is equipped with charging drive unit (4); The end opening of feed valve (3) connects air storage chamber (12), and the top of air storage chamber (12) is provided with gas tube (10), heating tube (9) and liquid adding bottle (16), and air storage chamber (12) bottom connects digestion chamber (13); Inside, digestion chamber (13) is provided with whisking appliance (8); Be covered with zone of heating (15) around digestion chamber (13) tank body, digestion chamber's outer side wall is provided with manhole (11), and bottom, digestion chamber (13) connects fluid reservoir (14); Fluid reservoir (14) end opening connects the suitable for reading of extraction line (5); The end opening of extraction line (5) connects bleeder valve (6), and a side of bleeder valve (6) is equipped with discharging drive unit (7), and fluid reservoir (14) is connected with liquid adding bottle (16) through recycle pump (17); Opening for feed (2) links to each other with said pretreatment unit, and gas tube (10) links to each other with said waste material collection device.
Liquid adding bottle (16) effectively digests bacterium liquid for digestion reaction provides capacity, and bacterium liquid adds before the beginning digestion reaction through recycle pump (17) from the stable bacterial classification liquid of fluid reservoir (14); Whisking appliance (8) in the digestion chamber (13) makes the digestion feed distribution even for increasing mikrobe and digesting fully contacting of matrix, improves gas production rate.
The concrete operations of the utility model can realize through following steps
The first step, early stage handle
After a large amount of domestic wastes carried out pre-treatment, at first pulverize and filter out organic domestic waste.The ratio of carbon-hydrogen of material is with (20～30): 1 is advisable, and organic nutritive ingredient can be regulated control through addition if any deficiency, and PH remains on 7.0～7.2, the control through the charging drive unit with the pretreated mass transport of above-mentioned process to the digestion chamber.
Second step, spawn culture
Can the excess sludge or the excrement of animals of Sewage Plant be added on the substratum of getting ready, guarantee its weakly alkaline environment, carry out enlarged culturing step by step, after digestion is stable, be inoculation and use bacterial classification.
The 3rd goes on foot, adds the bacterium heat supply
Cultured bacterial classification is pumped into liquid adding bottle through recycle pump get into the digestion chamber, feed steam to digestion chamber's zone of heating heat supply to heating tube simultaneously, temperature remains on 47～55 ℃.
The 4th step, stirring aerogenesis
When the temperature of digestion chamber progressively raise, the whisking appliance of time opening digestion chamber stirred, with the condition of high temperature of the contiguous Steam area of rapid elimination with keep complete jar temperature evenly.Prevent that the part from acid accumulation occurring and suppressing anerobes active gas with getting rid of, thereby tolerance can be provided continuously.
The 5th step, eliminating waste material
In the thermophilic digestion process; The raw material digestion rate is very fast, and after digestion after a while, the digestion chamber digests completely waste material and discharges through blow-off valve and continue to add new material and digest; The waste material of discharging gets into incinerator and burns, for anaerobism circulation digestion provides thermal source.
Claims (8)
1. a device that is used to handle the domestic waste anaerobic digestion comprises anaerobic digestor (1), pretreatment unit and waste material collection device; It is characterized in that said anaerobic digestor (1) top is provided with opening for feed (2), opening for feed (2) below connects feed valve (3), and a side of feed valve (3) is equipped with charging drive unit (4); The end opening of feed valve (3) connects air storage chamber (12), and the top of air storage chamber (12) is provided with gas tube (10), heating tube (9) and liquid adding bottle (16), and said air storage chamber (12) bottom connects digestion chamber (13); Inside, digestion chamber (13) is provided with whisking appliance (8); Be covered with zone of heating (15) around digestion chamber (13) tank body, digestion chamber (13) outer side wall is provided with manhole (11), and bottom, digestion chamber (13) connects fluid reservoir (14); Fluid reservoir (14) end opening connects the suitable for reading of extraction line (5); The end opening of extraction line (5) connects bleeder valve (6), and a side of bleeder valve (6) is equipped with discharging drive unit (7), and said fluid reservoir (14) is connected with liquid adding bottle (16) through recycle pump (17).
2. a kind of device that is used to handle the domestic waste anaerobic digestion as claimed in claim 1 is characterized in that described opening for feed (2) links to each other with said pretreatment unit.
3. a kind of device that is used to handle the domestic waste anaerobic digestion as claimed in claim 1 is characterized in that described gas tube (10) links to each other with said waste material collection device.
4. a kind of device that is used to handle the domestic waste anaerobic digestion as claimed in claim 1 is characterized in that described feed valve (3) and bleeder valve (6) all adopt the semisphere valve of hard sealing, and valve body is provided with the maintenance access opening.
5. a kind of device that is used to handle the domestic waste anaerobic digestion as claimed in claim 1; It is characterized in that described feed valve (3) and bleeder valve (6) all adopt hard, the soft combination semisphere valve control of electric driving operations, be controlled at about 50 seconds the switching time of valve.
6. a kind of device that is used to handle the domestic waste anaerobic digestion as claimed in claim 1; The thickness that it is characterized in that described zone of heating (15) is 3～5cm; Material is that stainless steel is anticorrosion; Continue to import steam through heating tube (9) digestion chamber (13) are heated, temperature guarantees at 40～65 ℃.
7. a kind of device that is used to handle the domestic waste anaerobic digestion as claimed in claim 1 is characterized in that storage has digestion bacterium liquid in the said fluid reservoir (14), is conveyed into liquid adding bottle (16) by recycle pump (17).
8. a kind of device that is used to handle the domestic waste anaerobic digestion as claimed in claim 1; It is characterized in that being provided with in the said digestion chamber (13) whisking appliance (8); When the temperature of digestion chamber progressively raise, the whisking appliance (8) of opening digestion chamber (13) carried out timing and stirs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120348837 CN202193786U (en) | 2011-09-16 | 2011-09-16 | MSW anaerobic digestion treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120348837 CN202193786U (en) | 2011-09-16 | 2011-09-16 | MSW anaerobic digestion treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202193786U true CN202193786U (en) | 2012-04-18 |
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ID=45948707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120348837 Expired - Lifetime CN202193786U (en) | 2011-09-16 | 2011-09-16 | MSW anaerobic digestion treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202193786U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103333798A (en) * | 2013-07-17 | 2013-10-02 | 杨解定 | Anaerobic digestion processing device for kitchen waste |
| CN104789467A (en) * | 2015-04-17 | 2015-07-22 | 郑州宇通环保科技有限公司 | Anaerobic-digestion treatment device for food wastes |
| CN105886393A (en) * | 2014-09-09 | 2016-08-24 | 北京建筑大学 | Sequencing batch type dry anaerobic digestion device of kitchen wastes |
-
2011
- 2011-09-16 CN CN 201120348837 patent/CN202193786U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103333798A (en) * | 2013-07-17 | 2013-10-02 | 杨解定 | Anaerobic digestion processing device for kitchen waste |
| CN105886393A (en) * | 2014-09-09 | 2016-08-24 | 北京建筑大学 | Sequencing batch type dry anaerobic digestion device of kitchen wastes |
| CN104789467A (en) * | 2015-04-17 | 2015-07-22 | 郑州宇通环保科技有限公司 | Anaerobic-digestion treatment device for food wastes |
| CN104789467B (en) * | 2015-04-17 | 2016-08-03 | 郑州宇通环保科技有限公司 | A kind of food garbage Anaerobic Digestion device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120418 |
|
| CX01 | Expiry of patent term |