CN201470669U - Kitchen waste hydrolysis and acidification reactor - Google Patents
Kitchen waste hydrolysis and acidification reactor Download PDFInfo
- Publication number
- CN201470669U CN201470669U CN2009201439010U CN200920143901U CN201470669U CN 201470669 U CN201470669 U CN 201470669U CN 2009201439010 U CN2009201439010 U CN 2009201439010U CN 200920143901 U CN200920143901 U CN 200920143901U CN 201470669 U CN201470669 U CN 201470669U
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- CN
- China
- Prior art keywords
- top cover
- food waste
- hydrolytic tank
- hydrolytic
- oil
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- Expired - Lifetime
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Abstract
The utility model provides a kitchen waste hydrolysis and acidification reactor which comprises a hydrolytic pond and a top cover arranged on the hydrolytic pond. A mesh screen is aslant arranged in the hydrolytic pond; a feeding device is arranged at the upper part of the hydrolytic pond; a deslagging device and a liquid drainage device are respectively arranged on the upper side and the lower side at the lower part of the hydrolytic pond corresponding to the mesh screen; the bottom part of the hydrolytic pond takes the shape of a funnel, and a sand draining opening is formed at the bottom of the hydrolytic pond; the top cover adopts an double-layered structure of an inner layer and outer layer; an oil recovery device and an exhaust device are arranged between the inner layer and the outer layer; a spraying device is arranged at the bottom part of the top cover; and a water filling device is arranged at the bottom part of the hydrolytic pond. The utility model can directly and effectively hydrolyze kitchen wastes which are not sorted to obtain acidizing fluid used for producing methane through anaerobic digestion treatment, thereby greatly simplifying the pretreatment process of the kitchen wastes, saving the energy consumption and reducing the equipment investment.
Description
Technical field
The invention belongs to the organic waste processing technology field, relate to a kind for the treatment of apparatus of changing food waste, relate in particular to a kind of food waste hydrolysis acidifying reactor.
Background technology
Changing food waste is different from other discarded objects (house refuse, industrial refuse, TRADE REFUSE, agricultural wastes etc.), and its characteristics are: 1, moisture content height, about 72% (removal free water)-92% (containing free water); 2, complicated component, content of organics height, about 90% (dry weight); 3, fat content height; 4, contain anaerobic fermentation is had inhibiting salt; 5, because of not classification, contain 10% the impurity (being mainly chopsticks, plastics, paper, little metal, cutlery box, packing material etc.) of having an appointment, post-processed equipment (fermentation, dehydration, pipeline etc.) is had a negative impact.
Handle the main method of changing food waste at present, be with organic waste through grease separate, preliminary sorting, Mechanical Crushing, hydraulic pulping, allotment slurry, anaerobism disappear fermentation etc., and operation is handled, make changing food waste degrade fully, finally decomposite biogas through anaerobic digestion, biogas after desulfurization is handled as using energy source; The natural pond slag is produced the high-quality fertilizer through control oxygen compost; Isolated grease can be recycled as regeneration raw material of industry oil.At the waste water reusable edible that processing procedure produces, final unnecessary waste water is through qualified discharge after the biochemical treatment; The foul smell that rubbish produces in the processing procedure is handled directly discharging of back up to standard through biofiltration.This processing method complex technical process, energy consumption is higher; The equipment that needs is many, and investment is high.
The acidification hydrolization processing method of changing food waste is to be 6～35% mixture through mixes the acquisition solids content after the Mechanical Crushing with a certain amount of water without sorted food wastes; By being pumped into hydrolysis reactor, add the water of 1～5 times of changing food waste quality then, circulation was washed changing food waste 2～10 days repeatedly under 36～55 ℃ of conditions, and the pH value of control mixed liquor makes the abundant hydrolysis acidification of organic matter wherein 1.5～6.8.Acidifying solution after the hydrolysis is sent into methanator after filtering, makes biogas through anaerobic digestion, uses as the energy after desulfurization is handled then; Solid material after hydrolysis composting process routinely carries out compost treatment, obtains fertilizer.This method utilizes that the organic matter in the changing food waste is easily degraded, the easy characteristics of acidifying, will then acidifying solution be carried out methanation and handle without the abundant hydrolysis acidification of the organic matter in the sorted food wastes, produces biogas, has realized the recycling of changing food waste.Hydrolysis reactor is the key equipment of hydrolysis acidification processing method.The treatment facility of existing changing food waste can't satisfy the requirement of above-mentioned acidification hydrolization reaction.
Summary of the invention
The purpose of this utility model provides a kind of being used for that unsorted changing food waste is hydrolyzed, and obtains being used to producing the hydrolysis reactor of changing food waste of the acidifying solution of methane.
Food waste hydrolysis acidifying reactor of the present utility model comprises hydrolytic tank and top cover disposed thereon.Be tiltedly installed with mesh screen in the described hydrolytic tank, be provided with feed arrangement on hydrolytic tank top, the both sides up and down of corresponding mesh screen are respectively arranged with slag-draining device and pumping equipment in the hydrolytic tank; The bottom of hydrolytic tank is an infundibulate, and is provided with sediment ejection opening in its bottom; Described top cover is interior outer double-layer structure, and is provided with oil-collecting device and exhaust apparatus between ectonexine; The bottom of described top cover is provided with spray equipment; The bottom of described hydrolytic tank is provided with filling device.
Is provided with heat(ing) coil along pool wall in the described hydrolytic tank, the changing food waste in the hydrolytic tank is heated, to satisfy hydrolyzer requirement to temperature when the hydrolysis acidification.
Described mesh screen is a double-decker up and down, and wherein lower floor is a stainless steel grid web plate, and steel wire is laid on the upper strata; The aperture of screen cloth is at 0.5～5mm.
Described feed arrangement comprises front pump and pipeline thereof.
Described slag-draining device is the Reducing screw conveyer.
Described pumping equipment comprises rear pump and pipeline thereof.
Described oil-collecting device is made up of oil receiving equipment, oil collecting pipe and oil sump tank, and wherein oil receiving equipment is installed in the bottom of top cover, and oil collecting pipe is installed between the ectonexine of top cover, and the oil pipe case is arranged on outside the hydrolytic tank.
Described exhaust apparatus comprises blower fan and pipeline thereof, is installed in the top of top cover.
The utility model compared with prior art has the following advantages: can will not have sorted food wastes directly to carry out effective hydrolysis process, make it be fit to carry out further Anaerobic Digestion, simplify the preprocessing process of changing food waste greatly, saved energy consumption, reduced equipment investment.
Description of drawings
Fig. 1 is a structural representation of the present utility model
The specific embodiment
With reference to Fig. 1, a kind of food waste hydrolysis acidifying reactor comprises hydrolytic tank 1 and top cover 2 disposed thereon.Be tiltedly installed with mesh screen 3 in hydrolytic tank 1, be provided with feed arrangement 4 on hydrolytic tank 1 top, the both sides up and down of the corresponding mesh screen 3 in hydrolytic tank bottom are respectively arranged with slag-draining device 6 and pumping equipment 7; The bottom of hydrolytic tank 1 is an infundibulate, and is provided with sediment ejection opening 8 in its bottom; The bottom of hydrolytic tank is provided with filling device 11.Top cover 2 is interior outer double-layer structure, and is provided with oil-collecting device 9 and exhaust apparatus 10 between ectonexine; The top of the bottom of top cover 2, hydrolytic tank 1 is provided with spray equipment 5.
Wherein hydrolytic tank 1 pond body is the rectangle steel tendon concrete structure, and hydrolytic tank volume and wall thickness are determined concrete size by treating capacity.Need there be anti-corrosion protection coating (acidproof) the pool wall inboard, and is provided with heat(ing) coil at the hydrolytic tank inwall, and the liquid in the hydrolytic tank is heated, and makes its temperature remain on needed temperature constant.
Mesh screen 3 is obliquely installed in hydrolytic tank 1, makes solid impurity finally be pooled to the bottom, is convenient to discharge.Mesh screen 3 is divided into upper and lower two each zones with the hydrolytic tank inner space, compiles solid impurity and hydrolysis acidification liquid respectively.Mesh screen 3 is a double-decker up and down, and wherein lower floor is a stainless steel grid web plate, and steel wire is laid on the upper strata; The aperture of screen cloth can't pass through large particulate matter at 0.5～5mm, but is difficult for stopping up.
Feed arrangement 4 comprises front pump and pipeline thereof, is arranged on the upper lateral part of hydrolysis reaction bath 1, changing food waste (changing food waste is 6～35% mixture through mixes the acquisition solids content after the Mechanical Crushing with water) can be transported in the reaction tank.
The bottom of top cover 2 is provided with spray equipment 5, and evenly arranges mouth spray at the top, pond.Liquid is sprayed at the material surface by mouth spray; The filling device 11 of hydrolytic tank bottom charges into liquid (water) in reactor, and utilizes the material on the hydraulic pressure flushing mesh screen, makes the material come-up on mesh screen top, realizes the abundant hydrolysis of inorganic matter in the changing food waste.
Slag-draining device 6 is the Reducing screw conveyer, is installed in the top of mesh screen in the hydrolytic tank, the solid impurity on screen cloth top can be drained into outside the reactor, can extrude the liquid in the impurity simultaneously.
Described pumping equipment 7 comprises rear pump and pipeline thereof, is arranged on the position (away from desilting zone) of corresponding mesh screen bottom, hydrolytic tank bottom, and the acidifying solution that hydrolysis can be produced is discharged the outer surge tank of reactor, sends into methane reactor then and carries out biogas production.
The infundibulate of hydrolytic tank bottom is a desilting zone, and its bottom is provided with sediment ejection opening 8, uses when hydrolysis cycle period and final the discharge, can discharge reactor together by related desilting.
Top cover 2 is interior outer double-layer structure, on the one hand is insulation needs, is to be furnished with oil-collecting device 9 and exhaust apparatus 10 between ectonexine on the other hand, make oily equipment of receipts and hydrolysis air bound from, avoid the corrosion of equipment.Skin is a building enclosure, adopts steel plate materials to make.Internal layer is a gas skirt, is made by anti-corrosion material.Oil-collecting device 9 is made up of oil receiving equipment, oil collecting pipe and oil sump tank, and wherein oil receiving equipment is installed in the bottom (being arranged on the blind area of mouth spray) of top cover 2, and oil collecting pipe is installed between the ectonexine of top cover 2, and it is external that the oil pipe case is arranged on hydrolytic tank.Because liquid level is kept above screen cloth in the pond, and leakage fluid dram is below screen cloth, so the grease the pond in, except being hydrolyzed or by a small amount of discharge, needing only the oil receiving equipment steel band and can touch liquid level, just grease can be reclaimed.Oil receiving equipment can be provided with sufficient amount according to oil mass.
Exhaust apparatus 10 comprises blower fan and pipeline thereof, is installed in the top of top cover 2, the hydrolysis gas that hydrolysis produces (can be contained H
2, CO
2, H
2S etc.) extraction drains into biological deodorizing device.
Claims (8)
1. food waste hydrolysis acidifying reactor, comprise hydrolytic tank (1) and top cover (2) disposed thereon, it is characterized in that: be tiltedly installed with mesh screen (3) in the described hydrolytic tank (1), be provided with feed arrangement (4) on hydrolytic tank (1) top, the both sides up and down of corresponding mesh screen (3) are respectively arranged with slag-draining device (6) and pumping equipment (7) in the hydrolytic tank; The bottom of hydrolytic tank (1) is an infundibulate, and is provided with sediment ejection opening (8) in its bottom; Described top cover (2) is interior outer double-layer structure, and is provided with oil-collecting device (9) and exhaust apparatus (10) between ectonexine; The bottom of described top cover (2) is provided with spray equipment (5); The bottom of described hydrolytic tank (1) is provided with filling device (11).
2. food waste hydrolysis acidifying reactor according to claim 1 is characterized in that: described mesh screen (3) is double-decker up and down, and wherein lower floor is a stainless steel grid web plate, and steel wire is laid on the upper strata; The aperture of screen cloth is at 0.5～5mm.
3. food waste hydrolysis acidifying reactor according to claim 1, it is characterized in that: described feed arrangement (4) comprises front pump and pipeline thereof.
4. food waste hydrolysis acidifying reactor according to claim 1, it is characterized in that: described slag-draining device (6) is the Reducing screw conveyer.
5. food waste hydrolysis acidifying reactor according to claim 1, it is characterized in that: described pumping equipment (7) comprises rear pump and pipeline thereof.
6. food waste hydrolysis acidifying reactor according to claim 1, it is characterized in that: described oil-collecting device (9) is made up of oil receiving equipment, oil collecting pipe and oil sump tank, wherein oil receiving equipment is installed in the bottom of top cover (2), oil collecting pipe is installed between the ectonexine of top cover (2), and oil sump tank is installed in outside the hydrolytic tank.
7. food waste hydrolysis acidifying reactor according to claim 1, it is characterized in that: described exhaust apparatus (10) comprises blower fan and pipeline thereof, is installed in the top of top cover (2).
8. food waste hydrolysis acidifying reactor according to claim 1 is characterized in that: is provided with heat(ing) coil along pool wall in the described hydrolytic tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201439010U CN201470669U (en) | 2009-06-17 | 2009-06-17 | Kitchen waste hydrolysis and acidification reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201439010U CN201470669U (en) | 2009-06-17 | 2009-06-17 | Kitchen waste hydrolysis and acidification reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201470669U true CN201470669U (en) | 2010-05-19 |
Family
ID=42406908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201439010U Expired - Lifetime CN201470669U (en) | 2009-06-17 | 2009-06-17 | Kitchen waste hydrolysis and acidification reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201470669U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527480A (en) * | 2012-01-20 | 2012-07-04 | 宁波开诚生态技术有限公司 | Swing type broken bag sorting machine with spraying structure |
| CN102688856A (en) * | 2012-06-14 | 2012-09-26 | 长沙中联重科环卫机械有限公司 | Pendulum harrow device, sorting mechanism and sorting machine |
| CN103286117A (en) * | 2012-02-28 | 2013-09-11 | 沈炳国 | Treatment method of kitchen garbage |
| CN108817027A (en) * | 2018-05-28 | 2018-11-16 | 胡亮 | A kind of kitchen garbage solid-liquid separating method |
-
2009
- 2009-06-17 CN CN2009201439010U patent/CN201470669U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527480A (en) * | 2012-01-20 | 2012-07-04 | 宁波开诚生态技术有限公司 | Swing type broken bag sorting machine with spraying structure |
| CN103286117A (en) * | 2012-02-28 | 2013-09-11 | 沈炳国 | Treatment method of kitchen garbage |
| CN103286117B (en) * | 2012-02-28 | 2015-05-27 | 沈炳国 | Treatment method of kitchen garbage |
| CN102688856A (en) * | 2012-06-14 | 2012-09-26 | 长沙中联重科环卫机械有限公司 | Pendulum harrow device, sorting mechanism and sorting machine |
| CN102688856B (en) * | 2012-06-14 | 2014-08-06 | 长沙中联重科环卫机械有限公司 | Pendulum harrow device, sorting mechanism and sorting machine |
| CN108817027A (en) * | 2018-05-28 | 2018-11-16 | 胡亮 | A kind of kitchen garbage solid-liquid separating method |
| CN108817027B (en) * | 2018-05-28 | 2021-07-30 | 南京溧水高新产业股权投资有限公司 | Solid-liquid separation method for kitchen waste |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100519 Effective date of abandoning: 20090617 |