CN216106067U - Kitchen garbage anaerobic digestion natural pond liquid processing apparatus - Google Patents
Kitchen garbage anaerobic digestion natural pond liquid processing apparatus Download PDFInfo
- Publication number
- CN216106067U CN216106067U CN202122367309.2U CN202122367309U CN216106067U CN 216106067 U CN216106067 U CN 216106067U CN 202122367309 U CN202122367309 U CN 202122367309U CN 216106067 U CN216106067 U CN 216106067U
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- Prior art keywords
- anaerobic digestion
- reactor
- sliding sleeve
- connecting rod
- kitchen waste
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- 230000029087 digestion Effects 0.000 title claims abstract description 21
- 239000007788 liquid Substances 0.000 title abstract description 21
- 239000010813 municipal solid waste Substances 0.000 title description 4
- 238000003756 stirring Methods 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000010806 kitchen waste Substances 0.000 claims abstract description 20
- 239000002002 slurry Substances 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 abstract description 11
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 2
- 150000001413 amino acids Chemical class 0.000 description 2
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 2
- 150000001720 carbohydrates Chemical class 0.000 description 2
- 235000014633 carbohydrates Nutrition 0.000 description 2
- 239000013043 chemical agent Substances 0.000 description 2
- 239000003925 fat Substances 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 239000008103 glucose Substances 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- 230000000789 acetogenic effect Effects 0.000 description 1
- 238000006137 acetoxylation reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 229920001184 polypeptide Polymers 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 102000004196 processed proteins & peptides Human genes 0.000 description 1
- 108090000765 processed proteins & peptides Proteins 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
Abstract
The utility model relates to a kitchen waste anaerobic digestion biogas slurry treatment device, which comprises a reactor cylinder, a servo motor and a stirring device, wherein the reactor cylinder is provided with a feed inlet and a feed outlet; the reactor barrel is provided with a water inlet and a water outlet, and the servo motor is arranged at the top of the reactor barrel; the stirring device is arranged in the reactor cylinder and consists of a driving shaft, a rotating rod, a connecting rod, a pressure disc, a sliding sleeve and a spring; in the stirring device, the sliding sleeve and the pressure plate form a cavity, and the cavity is matched with the forward and reverse rotation of the servo motor, so that part of liquid in the reactor cylinder continuously enters the cavity and is discharged in the process of large circulation of the liquid, thereby increasing the surging in the liquid and effectively improving the stirring efficiency.
Description
Technical Field
The utility model relates to the technical field of garbage treatment, in particular to a kitchen garbage anaerobic digestion biogas slurry treatment device.
Background
The kitchen waste is mainly from waste materials generated in the kitchen food processing process and food left on a dining table, and the main components of the kitchen waste are carbohydrate, protein and fat; because of high water content, salt content and organic matter content, the material is easy to ferment, rancidity and degrade, and can generate foul gas and toxic substances, thus being harmful to the environment.
At present, the kitchen waste treatment technology mainly comprises methods such as landfill, aerobic composting, feed conversion, anaerobic digestion and the like. The anaerobic digestion treatment can realize the high-efficiency utilization of the biomass energy, and is one of the main methods for the resourceful and harmless treatment of the kitchen waste. The anaerobic digestion process can be divided into 4 stages of hydrolysis, acidification, acetoxylation and methanation. In the hydrolysis stage, suspended particle organic matters such as carbohydrates, proteins and fats in the kitchen waste are hydrolyzed into soluble organic matters such as polysaccharide, polypeptide and organic acid by microorganisms; short-chain organic matters in the acidification stage are degraded into glucose, amino acids, VFAs (volatile fatty acids) and NH by acid-producing bacteria3And H2S, and the like; the glucose and amino acid are utilized by acetogenic bacteria to generate acetic acid and H in the acetic acid stage2And CO2(ii) a The methanogen in the methanation stage is used for adding acetic acid and H2Conversion to CH4And CO2。
The biogas slurry produced by the anaerobic digestion reaction of the kitchen waste is usually added with chemical agents for reaction treatment, and in order to accelerate the reaction speed, a stirring mode is usually adopted. The stirring mode adopted by the existing stirring device is too single, the stirring is insufficient, and the reaction rate and the effect are influenced.
Disclosure of Invention
The utility model provides a kitchen waste anaerobic digestion biogas slurry treatment device, wherein a cavity is formed by a sliding sleeve and a pressure plate in a stirring device, and a servo motor is matched for forward and reverse rotation operation, so that part of liquid in a reactor cylinder continuously enters the cavity and is discharged in the process of large circulation, thereby increasing the surging in the liquid and effectively improving the stirring efficiency.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a kitchen waste anaerobic digestion biogas slurry treatment device comprises a reactor cylinder, a servo motor and a stirring device; the reactor barrel is provided with a water inlet and a water outlet, and the servo motor is arranged at the top of the reactor barrel; the stirring device is arranged in the reactor cylinder and consists of a driving shaft, a rotating rod, a connecting rod, a pressure disc, a sliding sleeve and a spring; the upper end of the driving shaft is connected with an output shaft of the servo motor, and the lower end of the driving shaft is connected with the upper end of the rotating rod; a plurality of connecting rods are arranged on the rotating rod and arranged along the radial direction of the reactor cylinder; the outer end of the connecting rod is provided with a pressure disc, the sliding sleeve is arranged on the outer side of the connecting rod and is in sliding connection with the pressure disc, and a spring is arranged between the inner end of the sliding sleeve and the pressure disc and sleeved on the connecting rod; when the sliding sleeve is positioned at the innermost end, a distance is reserved between the outer end of the sliding sleeve and the inner wall of the reactor cylinder; the pressure plate is provided with a plurality of through holes.
And a plurality of turbulence strips are arranged on the inner wall of the reactor barrel along the circumferential direction.
The cross section shapes of the turbulence strips are different.
The water outlet is higher than the water inlet.
The connecting rod is a hollow rod piece, and the connecting rod is fixedly inserted into the driving shaft.
The bottom of the reactor barrel is provided with a plurality of supporting legs, and the bottoms of the supporting legs are provided with rubber pads.
Compared with the prior art, the utility model has the beneficial effects that:
1) the sliding sleeve is driven to rotate through the rotating rod, under the action of centrifugal force and positive and negative rotation of the servo motor, liquid in a cavity between the sliding sleeve and the pressure plate is continuously discharged, and external liquid circulation is added, so that the surging inside the liquid is accelerated, and the stirring efficiency is improved;
2) liquid in the reactor cylinder body can collide with the turbulence strips in different shapes in the process of rotating and flowing, so that the effect of turbulence is achieved, and the liquid is further stirred fully;
3) adopt the grafting mode between drive shaft and the dwang, it is more convenient to install and dismantle, improves the work efficiency when maintaining the change.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram (internal structure is shown, servo motor is not shown) of the kitchen waste anaerobic digestion biogas slurry treatment device.
Fig. 2 is a schematic perspective view of the stirring device of the present invention.
Fig. 3 is a schematic view of the installation structure of the sliding sleeve and the pressure disk according to the present invention.
In the figure: 1. reactor barrel 2, turbulence strip 3, sliding sleeve 4, driving shaft 5, water outlet 6, rotating rod 7, water inlet 8, pressure plate 9, through hole 10, connecting rod 11, spring 12 and supporting legs
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in fig. 1-3, the device for treating anaerobic digestion biogas slurry of kitchen waste comprises a reactor cylinder 1, a servo motor and a stirring device; the reactor barrel 1 is provided with a water inlet 7 and a water outlet 5, and the servo motor is arranged at the top of the reactor barrel 1; the stirring device is arranged in the reactor cylinder 1 and consists of a driving shaft 4, a rotating rod 6, a connecting rod 10, a pressure disc 8, a sliding sleeve 3 and a spring 11; the upper end of the driving shaft 4 is connected with an output shaft of the servo motor, and the lower end of the driving shaft 4 is connected with the upper end of the rotating rod 6; a plurality of connecting rods 10 are arranged on the rotating rod 6, and the connecting rods 10 are arranged along the radial direction of the reactor barrel 1; the outer end of the connecting rod 10 is provided with a pressure disc 8, the sliding sleeve 3 is arranged on the outer side of the connecting rod 10 and is in sliding connection with the pressure disc 8, a spring 11 is arranged between the inner end of the sliding sleeve 3 and the pressure disc 8, and the spring 11 is sleeved on the connecting rod 10; when the sliding sleeve 3 is positioned at the innermost end, a distance is reserved between the outer end of the sliding sleeve and the inner wall of the reactor barrel 1; the pressure disc 8 is provided with a plurality of through holes 9.
A plurality of turbulence strips 2 are arranged on the inner wall of the reactor barrel 1 along the circumferential direction.
The cross-sectional shapes of the plurality of spoiler strips 2 are different.
The water outlet 5 is higher than the water inlet 7.
The connecting rod 10 is a hollow rod piece, and the connecting rod 10 is fixedly inserted into the driving shaft 4.
The bottom of the reactor cylinder 1 is provided with a plurality of supporting legs 12, and the bottom of each supporting leg 12 is provided with a rubber pad.
The working process of the kitchen waste anaerobic digestion biogas slurry treatment device is as follows: injecting biogas slurry after anaerobic digestion of the kitchen waste into the reactor barrel 1 from the water inlet 7, adding a chemical agent, starting a servo motor, and alternately stirring in forward and reverse rotation; the connecting rod 10, the pressure disc 8 and the sliding sleeve 3 are driven to integrally rotate by the rotating rod 6 during stirring; before stirring begins, a part of the liquid enters the cavity between the pressure disc 8 and the sliding sleeve 3; after stirring is started, the sliding sleeve 3 moves outwards along the axial direction of the connecting rod 10 under the action of centrifugal force, liquid in the cavity is extruded out from the through hole 9 on the pressure disc 8 and is added into external liquid to flow in the reactor barrel 1 in a circulating manner; at the interval of reversing of the servo motor, the sliding sleeve 3 is reset under the elastic force of the spring 11, liquid flows into the cavity again, and the next extrusion process is carried out after the next stirring is started; in the process, the liquid generates surging, so that the stirring effect is enhanced; in the process of circulating and flowing of the external liquid in the reactor barrel 1, the external liquid and a plurality of turbulence strips in different shapes are impacted to form turbulence, so that the stirring is more sufficient.
In the anaerobic digestion biogas slurry treatment device for kitchen waste, a container for accommodating biogas slurry is a reactor cylinder body 1, a plurality of turbulence strips 2 are arranged on the inner wall of the reactor cylinder body 1 along the circumferential direction, the cross section of each turbulence strip 2 is different in shape (such as a semicircle, a triangle, a rectangle or other polygons), and when liquid in the reactor cylinder body 1 rotates and flows under the action of a stirring device, the liquid can collide with the turbulence strips 2 in different shapes, so that the turbulence effect is achieved, and the biogas slurry is further stirred fully.
One side of the reactor barrel 1 is provided with a water outlet 5 and a water inlet 7, and the water outlet 5 is positioned above the water inlet 7.
The reactor barrel 1 is internally provided with a stirring device, the driving device for driving the stirring device is a servo motor, the output shaft of the servo motor is connected with a driving shaft 4 with a rectangular cross section, the upper end of a rotating rod 6 is provided with a jack matched with the driving shaft 4, and the lower end of the driving shaft 4 is clamped in the jack to realize plugging. During stirring, the servo motor drives the rotating rod 6 to rotate forward and backward through the driving shaft 4.
The bottom of the reactor cylinder 1 is provided with a plurality of supporting legs 7, and the bottom of each supporting leg 7 is provided with a rubber pad, so that the buffer effect can be achieved to protect equipment; on the other hand, the friction force can be increased, and the stability of the equipment during operation is improved.
A plurality of connecting rods 10 are arranged on the rotating rod 6 along the height direction, and as shown in fig. 2, 2 connecting rods 10 are symmetrically arranged at the same height; as shown in fig. 3, a pressure plate 8 is fixedly connected to one end of each connecting rod 10 far away from the rotating rod 6, and a plurality of through holes 9 are formed in the pressure plate 8; the sliding sleeve 3 is connected with the outer side of the pressure plate 8 in a sliding mode, a spring 11 is arranged between the inner wall of the sliding sleeve 3 and the pressure plate 8, and the spring 11 is wound on the outer side of the connecting rod 10.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. A kitchen waste anaerobic digestion biogas slurry treatment device is characterized by comprising a reactor cylinder, a servo motor and a stirring device; the reactor barrel is provided with a water inlet and a water outlet, and the servo motor is arranged at the top of the reactor barrel; the stirring device is arranged in the reactor cylinder and consists of a driving shaft, a rotating rod, a connecting rod, a pressure disc, a sliding sleeve and a spring; the upper end of the driving shaft is connected with an output shaft of the servo motor, and the lower end of the driving shaft is connected with the upper end of the rotating rod; a plurality of connecting rods are arranged on the rotating rod and arranged along the radial direction of the reactor cylinder; the outer end of the connecting rod is provided with a pressure disc, the sliding sleeve is arranged on the outer side of the connecting rod and is in sliding connection with the pressure disc, and a spring is arranged between the inner end of the sliding sleeve and the pressure disc and sleeved on the connecting rod; when the sliding sleeve is positioned at the innermost end, a distance is reserved between the outer end of the sliding sleeve and the inner wall of the reactor cylinder; the pressure plate is provided with a plurality of through holes.
2. The anaerobic digestion biogas slurry treatment device for kitchen waste according to claim 1, characterized in that a plurality of turbulence strips are arranged on the inner wall of the reactor cylinder along the circumferential direction.
3. The anaerobic digestion biogas slurry treatment device for kitchen waste according to claim 2, characterized in that the cross-sectional shapes of the plurality of turbulence strips are different.
4. The anaerobic digestion biogas slurry treatment device for kitchen waste according to claim 1, characterized in that the water outlet is arranged higher than the water inlet.
5. The anaerobic digestion biogas slurry treatment device for kitchen waste according to claim 1, characterized in that the connecting rod is a hollow rod, and the connecting rod is fixedly inserted into the driving shaft.
6. The anaerobic digestion biogas slurry treatment device for kitchen waste according to claim 1, characterized in that a plurality of supporting legs are arranged at the bottom of the reactor cylinder, and rubber pads are arranged at the bottoms of the supporting legs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122367309.2U CN216106067U (en) | 2021-09-28 | 2021-09-28 | Kitchen garbage anaerobic digestion natural pond liquid processing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122367309.2U CN216106067U (en) | 2021-09-28 | 2021-09-28 | Kitchen garbage anaerobic digestion natural pond liquid processing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216106067U true CN216106067U (en) | 2022-03-22 |
Family
ID=80689711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122367309.2U Withdrawn - After Issue CN216106067U (en) | 2021-09-28 | 2021-09-28 | Kitchen garbage anaerobic digestion natural pond liquid processing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216106067U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113845161A (en) * | 2021-09-28 | 2021-12-28 | 中冶焦耐(大连)工程技术有限公司 | Kitchen waste anaerobic digestion biogas slurry treatment device and method |
-
2021
- 2021-09-28 CN CN202122367309.2U patent/CN216106067U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113845161A (en) * | 2021-09-28 | 2021-12-28 | 中冶焦耐(大连)工程技术有限公司 | Kitchen waste anaerobic digestion biogas slurry treatment device and method |
| CN113845161B (en) * | 2021-09-28 | 2023-11-24 | 中冶焦耐(大连)工程技术有限公司 | Kitchen waste anaerobic digestion biogas slurry treatment device and method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20220322 Effective date of abandoning: 20231124 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20220322 Effective date of abandoning: 20231124 |