CN113102095A - Hydraulic flotation anaerobic fermentation treatment system for kitchen waste - Google Patents
Hydraulic flotation anaerobic fermentation treatment system for kitchen waste Download PDFInfo
- Publication number
- CN113102095A CN113102095A CN202110260119.2A CN202110260119A CN113102095A CN 113102095 A CN113102095 A CN 113102095A CN 202110260119 A CN202110260119 A CN 202110260119A CN 113102095 A CN113102095 A CN 113102095A
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- Prior art keywords
- flotation
- kitchen waste
- hopper
- slurry
- anaerobic
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- 238000005188 flotation Methods 0.000 title claims abstract description 55
- 239000010806 kitchen waste Substances 0.000 title claims abstract description 46
- 238000000855 fermentation Methods 0.000 title claims abstract description 27
- 239000012535 impurity Substances 0.000 claims abstract description 60
- 239000002002 slurry Substances 0.000 claims abstract description 51
- 239000000463 material Substances 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 16
- 239000005416 organic matter Substances 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 230000010354 integration Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000004151 fermentation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000013517 stratification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
- B03B9/06—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a hydraulic flotation anaerobic fermentation treatment system for kitchen waste, which comprises a roller, kitchen waste pretreatment equipment, a slurry separator and an anaerobic tank, wherein the roller is arranged on the kitchen waste pretreatment equipment; the kitchen waste pretreatment equipment comprises a flotation hopper and an organic matter hopper, wherein a light impurity discharge hole is formed in one side of the top of the flotation hopper, a heavy impurity discharge hole is formed in the bottom of the flotation hopper, and a flotation hot water pipe is arranged on the inner side wall of the flotation hopper; the organic matter hopper is provided with a crusher and an organic garbage discharge port at the bottom, a slurry storage pool is arranged below the organic garbage discharge port, the slurry storage pool is communicated with the feed end of a slurry separator through a slurry conveying structure, and the discharge end of the slurry separator is communicated with the feed end of an anaerobic tank through an anaerobic material conveying structure. The hydraulic flotation anaerobic fermentation treatment system for the kitchen waste is high in integration degree, achieves grading removal of sundries, improves the impurity removal effect of the kitchen waste, and ensures stability of gas production.
Description
Technical Field
The invention relates to the technical field of kitchen waste treatment, in particular to a hydraulic flotation kitchen waste anaerobic fermentation treatment system.
Background
The traditional kitchen waste treatment process generally adopts an anaerobic fermentation process for treatment except incineration so as to improve the comprehensive utilization rate of the kitchen waste. At present, in the process of treating kitchen waste through an anaerobic fermentation process, a great amount of light substances, heavy substances and the like enter an anaerobic reactor (anaerobic tank) due to poor impurity removal effect of pretreatment, a series of hazards are brought to the process of producing methane at the rear end, and the stability of gas production is influenced.
In order to solve the problems, the prior art is researched correspondingly, for example, a Chinese patent with application number 201710557316.4 discloses an anaerobic fermentation process for rural kitchen waste, which discloses the technical characteristics of sorting and removing impurities from the kitchen waste before anaerobic fermentation treatment; if chinese patent application No. 201920228871.7 discloses a kitchen garbage and mud combined anaerobic fermentation system marsh gas comprehensive utilization system, it discloses the technical feature of carrying out the letter sorting edulcoration to kitchen garbage through kitchen garbage sorting device, these prior art have disclosed the notion of carrying out the preliminary treatment edulcoration to kitchen garbage, nevertheless have following drawback: impurities cannot be removed in a grading manner, and the impurity removal effect is relatively poor.
In addition, the existing anaerobic fermentation treatment system has a large number of devices and low integration degree, which can increase the failure rate and influence the convenience of maintenance to a certain extent.
Disclosure of Invention
In view of this, the invention aims to provide a hydraulic flotation anaerobic fermentation treatment system for kitchen waste, so as to improve the integration degree of equipment, improve the impurity removal effect on the kitchen waste and ensure the stability of gas production.
The invention solves the problems through the following technical means: the utility model provides a water conservancy flotation kitchen garbage anaerobic fermentation processing system which characterized in that: the kitchen waste pretreatment device comprises a roller, kitchen waste pretreatment equipment, a slurry separator and an anaerobic tank, wherein the roller is driven to rotate by a driving mechanism, one end of the roller is provided with a feed inlet, the other end of the roller is provided with a coarse impurity discharge port, a material pushing plate which is spirally arranged is arranged in the roller, and the side wall of the roller is circumferentially provided with a plurality of discharge holes; the kitchen waste pretreatment equipment comprises a flotation hopper and an organic matter hopper, wherein a light impurity discharge hole is formed in one side of the top of the flotation hopper, a heavy impurity discharge hole is formed in the bottom of the flotation hopper, an intermediate channel communicated with the organic matter hopper is formed in the middle of the flotation hopper, and a flotation hot water pipe is arranged on the inner side wall of the flotation hopper; the organic matter hopper is provided with a crusher and an organic garbage discharge port at the bottom, a slurry storage pool is arranged below the organic garbage discharge port, the slurry storage pool is communicated with the feed end of a slurry separator through a slurry conveying structure, and the discharge end of the slurry separator is communicated with the feed end of an anaerobic tank through an anaerobic material conveying structure.
Further, the slurry conveying structure comprises a slurry lifting pump and a slurry discharging pipe.
Further, the anaerobic material conveying structure comprises an anaerobic material conveying pipe and an anaerobic material conveying pump.
The light impurity separator is characterized by further comprising a light impurity separator, wherein the feed end of the light impurity separator is communicated with a light impurity discharge hole through a light impurity discharge pipe, and a light impurity suction pump is arranged on the light impurity discharge pipe.
And the oil collecting bin is communicated with the oil outlet ends of the slurry separator and the light impurity separator through an oil collecting pipeline.
Furthermore, a hot washing water pipe is arranged in the roller.
Further, the driving mechanism comprises a driving motor and a transmission mechanism.
Furthermore, drive mechanism is including installing drive gear on driving motor output shaft and fixed cup joint the outside ring gear of cylinder, drive gear and ring gear meshing transmission.
Furthermore, a plurality of spraying branch pipes are arranged on the flotation hot water pipe and the flushing hot water pipe.
The invention has the beneficial effects that: the hydraulic flotation anaerobic fermentation treatment system for the kitchen waste comprises a roller, kitchen waste pretreatment equipment, a slurry separator and an anaerobic tank, wherein the roller is driven to rotate by a driving mechanism, one end of the roller is provided with a feed inlet, the other end of the roller is provided with a coarse impurity discharge port, a material pushing plate which is spirally arranged is arranged in the roller, and the side wall of the roller is circumferentially provided with a plurality of discharge holes; the kitchen waste pretreatment equipment comprises a flotation hopper and an organic matter hopper, wherein a light impurity discharge hole is formed in one side of the top of the flotation hopper, a heavy impurity discharge hole is formed in the bottom of the flotation hopper, an intermediate channel communicated with the organic matter hopper is formed in the middle of the flotation hopper, and a flotation hot water pipe is arranged on the inner side wall of the flotation hopper; the organic matter hopper is provided with a crusher and an organic garbage discharge port at the bottom, a slurry storage pool is arranged below the organic garbage discharge port, the slurry storage pool is communicated with the feed end of a slurry separator through a slurry conveying structure, and the discharge end of the slurry separator is communicated with the feed end of an anaerobic tank through an anaerobic material conveying structure. The hydraulic flotation anaerobic fermentation treatment system for the kitchen waste is high in integration degree, achieves grading removal of sundries, improves the impurity removal effect of the kitchen waste, and ensures stability of gas production. In addition, the beneficial effects of the application are also shown in the following aspects:
1. the functions of cooking, sand setting, slag removal and light impurity removal can be realized, the equipment flow is shortened, and possible fault points of the equipment are reduced;
2. the separation effect on the residues in the kitchen waste is good, and the separation of light and heavy substances is realized by utilizing the principle of gravity stratification;
3. through hot water washing of the whole material, the kitchen waste grease retention rate in the washing liquid is high, and the oil extraction rate of subsequently extracting oil from the washing liquid is greatly improved.
Drawings
The invention is further described below with reference to the figures and examples.
Fig. 1 is a schematic structural view of a preferred embodiment of the present invention.
Detailed Description
The invention is explained in more detail below with reference to the figures and examples. The features and advantages of the present invention will become more apparent from the description. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments.
As shown in fig. 1, the hydraulic flotation anaerobic fermentation treatment system for kitchen waste of the embodiment includes a roller 5, a kitchen waste pretreatment device, a slurry separator 23, an anaerobic tank 25 and a light impurity separator 21, wherein the roller 5 is rotatably supported by a support frame, which is the prior art and is not described in detail again; the cylinder passes through the actuating mechanism drive and rotates, actuating mechanism includes driving motor 2 and drive mechanism 3, drive mechanism is including installing drive gear on the driving motor output shaft and fixed cup joint at the outside ring gear of cylinder, drive gear and ring gear meshing transmission.
One end of the roller is provided with a feeding hole 1, and the other end of the roller is provided with a coarse impurity discharging hole 6. The inner wall of the roller is provided with a material pushing plate 12 which is spirally arranged, the inside of the roller is also provided with a washing hot water pipe 4, and the washing hot water pipe is provided with a plurality of spraying branch pipes so as to wash the surface of the large sundries with hot water and wash down the oil on the large sundries.
The kitchen waste pretreatment equipment comprises a flotation hopper 14 and an organic matter hopper 13 which are arranged in parallel, a plurality of discharge holes 11 are formed in the side wall of a roller along the circumferential direction, the discharge holes are arranged in the coverage area of a feed inlet at the top of the flotation hopper, a light impurity discharge hole 8 is formed in one side of the top of the flotation hopper, a heavy impurity discharge hole 10 is formed in the bottom of the flotation hopper, an intermediate channel 17 communicated with the organic matter hopper is arranged in the middle of the flotation hopper, a flotation hot water pipe 9 is arranged on the inner side wall of the flotation hopper, and a plurality of injection branch pipes are also arranged on the flotation hot water pipe so that injection water flow can carry out layered; the bottom of the organic matter hopper is provided with a crusher 15 and an organic garbage discharge port 16.
And a slurry storage tank 7 is arranged below the organic garbage discharge port, the slurry storage tank is communicated with the feed end of the slurry separator through a slurry conveying structure, and the discharge end of the slurry separator is communicated with the feed end of the anaerobic tank through an anaerobic material conveying structure. Specifically, the slurry conveying structure comprises a slurry lifting pump 20 and a slurry discharging pipe 28, the slurry lifting pump 20 is arranged in the slurry storage tank, and an outlet of the slurry lifting pump 20 is communicated with a feeding end of the slurry separator 23 through the slurry discharging pipe 28; the anaerobic material conveying structure comprises an anaerobic material conveying pipe 22 and an anaerobic material conveying pump 24, one end of the anaerobic material conveying pipe is communicated with the discharge end of the slurry separator, the other end of the anaerobic material conveying pipe is communicated with the feed end of the anaerobic tank, and the anaerobic material conveying pump is arranged on the anaerobic material conveying pipe.
The feeding end of the light impurity separator is communicated with the light impurity discharging hole through a light impurity discharging pipe 19, and a light impurity suction pump 18 is arranged on the light impurity discharging pipe.
The feed inlet, the coarse impurity discharge port, the light impurity discharge port and the heavy impurity discharge port are all provided with valves.
The separator also comprises an oil collecting bin 26, and the oil collecting bin 26 is communicated with the oil outlet ends of the slurry separator and the light and impurity separator through an oil collecting pipeline 27.
When the kitchen waste treatment device works specifically, mixed liquid of kitchen waste to be treated enters the roller through the feeding hole, the roller is driven to rotate through the driving mechanism, and coarse impurities which cannot be discharged from the discharge hole are pushed to the coarse impurity discharge hole by the material pushing plate to flow out; the mixed liquid of the fine impurities and the organic matters of the kitchen waste filtered by the roller flows into a flotation hopper from a discharge hole, under the combined action of gravity stratification and a flotation hot water pipe, the light impurities float on the surface and are discharged from a light impurity outlet, then the light impurities are separated by a light impurity separator, the heavy impurities sink and are discharged from a heavy impurity discharge port at the bottom, the lighter organic matters of the kitchen waste in the middle layer flow into the organic matter hopper through an intermediate channel, are crushed by a crusher and then are discharged from an organic matter discharge port, and are pumped by a slurry lifting pump and then enter a slurry separator for separation, and the separated anaerobic materials are pumped to an anaerobic tank for anaerobic fermentation treatment by an anaerobic material delivery pump.
The oil separated by the light impurity separator and the slurry separator enters an oil collecting bin to be collected.
In conclusion, the hydraulic flotation anaerobic fermentation treatment system for kitchen waste is high in integration degree, achieves graded removal of impurities, improves the impurity removal effect of the kitchen waste, and ensures the stability of gas production.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (9)
1. The utility model provides a water conservancy flotation kitchen garbage anaerobic fermentation processing system which characterized in that: the device comprises a roller (5), kitchen waste pretreatment equipment, a slurry separator (23) and an anaerobic tank (25), wherein the roller is driven to rotate by a driving mechanism, a feed inlet (1) is formed in one end of the roller, a coarse impurity discharge port (6) is formed in the other end of the roller, a material pushing plate (12) which is spirally arranged is arranged in the roller, and a plurality of discharge holes (11) are formed in the side wall of the roller along the circumferential direction; the kitchen waste pretreatment equipment comprises a flotation hopper (14) and an organic matter hopper (13), wherein a light impurity discharge hole (8) is formed in one side of the top of the flotation hopper, a heavy impurity discharge hole (10) is formed in the bottom of the flotation hopper, an intermediate channel (17) communicated with the organic matter hopper is formed in the middle of the flotation hopper, and a flotation hot water pipe (9) is arranged on the inner side wall of the flotation hopper; the organic matter hopper is provided with a crusher (15) and an organic garbage discharge port (16) at the bottom, a slurry storage pool (7) is arranged below the organic garbage discharge port, the slurry storage pool is communicated with the feed end of a slurry separator through a slurry conveying structure, and the discharge end of the slurry separator is communicated with the feed end of an anaerobic tank through an anaerobic material conveying structure.
2. The hydraulic flotation anaerobic fermentation treatment system for kitchen waste according to claim 1, characterized in that: the slurry conveying structure comprises a slurry lifting pump (20) and a slurry discharging pipe (28).
3. The hydraulic flotation anaerobic fermentation treatment system for kitchen waste according to claim 2, characterized in that: the anaerobic material conveying structure comprises an anaerobic material conveying pipe (22) and an anaerobic material conveying pump (24).
4. The hydraulic flotation anaerobic fermentation treatment system for kitchen waste according to claim 3, characterized in that: the light impurity separator is characterized by further comprising a light impurity separator (21), wherein the feed end of the light impurity separator is communicated with a light impurity discharge hole through a light impurity discharge pipe (19), and a light impurity suction pump (18) is arranged on the light impurity discharge pipe.
5. The hydraulic flotation anaerobic fermentation treatment system for kitchen waste according to claim 4, characterized in that: the oil collecting bin (26) is communicated with the oil outlet ends of the slurry separator (23) and the light and impurity separator (21) through an oil collecting pipeline (27).
6. The hydraulic flotation anaerobic fermentation treatment system for kitchen waste according to claim 5, characterized in that: a washing hot water pipe (4) is arranged in the roller.
7. The hydraulic flotation anaerobic fermentation treatment system for kitchen waste according to claim 6, characterized in that: the driving mechanism comprises a driving motor (2) and a transmission mechanism (3).
8. The hydraulic flotation anaerobic fermentation treatment system for kitchen waste according to claim 7, characterized in that: the transmission mechanism (3) comprises a driving gear arranged on an output shaft of the driving motor and a gear ring fixedly sleeved outside the roller, and the driving gear is in meshing transmission with the gear ring.
9. The hydraulic flotation anaerobic fermentation treatment system for kitchen waste according to claim 8, characterized in that: and a plurality of spraying branch pipes are arranged on the flotation hot water pipe (9) and the flushing hot water pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110260119.2A CN113102095A (en) | 2021-03-10 | 2021-03-10 | Hydraulic flotation anaerobic fermentation treatment system for kitchen waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110260119.2A CN113102095A (en) | 2021-03-10 | 2021-03-10 | Hydraulic flotation anaerobic fermentation treatment system for kitchen waste |
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| Publication Number | Publication Date |
|---|---|
| CN113102095A true CN113102095A (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110260119.2A Pending CN113102095A (en) | 2021-03-10 | 2021-03-10 | Hydraulic flotation anaerobic fermentation treatment system for kitchen waste |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102327890A (en) * | 2011-09-19 | 2012-01-25 | 东莞市康达机电工程有限公司 | Restaurant-kitchen garbage sorting system |
| CN202238856U (en) * | 2011-03-21 | 2012-05-30 | 焦社杰 | Combined type modularized resource processing system for kitchen rubbish |
| CN102974450A (en) * | 2012-06-18 | 2013-03-20 | 帕克环保技术(上海)有限公司 | Rotary drum separating system for processing kitchen waste |
| WO2014172945A1 (en) * | 2013-04-24 | 2014-10-30 | Song Chao | Garbage classifying and recycling system and garbage classifying and recycling method |
| CN209363257U (en) * | 2018-10-25 | 2019-09-10 | 启迪桑德环境资源股份有限公司 | Pretreatment system suitable for anaerobic fermentation of kitchen waste processing |
| CN110252763A (en) * | 2019-05-13 | 2019-09-20 | 江苏天楹环保能源成套设备有限公司 | A kind of rubbish from cooking dry type anaerobic fermentation system |
| CN110420979A (en) * | 2019-09-05 | 2019-11-08 | 杭州更蓝生物科技有限公司 | A kind of anaerobic digestion handling method of kitchen garbage |
| CN111424056A (en) * | 2020-02-28 | 2020-07-17 | 长沙凯天工研院环保服务有限公司 | Method for improving efficiency of anaerobic digestion biogas production of kitchen waste |
-
2021
- 2021-03-10 CN CN202110260119.2A patent/CN113102095A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202238856U (en) * | 2011-03-21 | 2012-05-30 | 焦社杰 | Combined type modularized resource processing system for kitchen rubbish |
| CN102327890A (en) * | 2011-09-19 | 2012-01-25 | 东莞市康达机电工程有限公司 | Restaurant-kitchen garbage sorting system |
| CN102974450A (en) * | 2012-06-18 | 2013-03-20 | 帕克环保技术(上海)有限公司 | Rotary drum separating system for processing kitchen waste |
| WO2014172945A1 (en) * | 2013-04-24 | 2014-10-30 | Song Chao | Garbage classifying and recycling system and garbage classifying and recycling method |
| CN209363257U (en) * | 2018-10-25 | 2019-09-10 | 启迪桑德环境资源股份有限公司 | Pretreatment system suitable for anaerobic fermentation of kitchen waste processing |
| CN110252763A (en) * | 2019-05-13 | 2019-09-20 | 江苏天楹环保能源成套设备有限公司 | A kind of rubbish from cooking dry type anaerobic fermentation system |
| CN110420979A (en) * | 2019-09-05 | 2019-11-08 | 杭州更蓝生物科技有限公司 | A kind of anaerobic digestion handling method of kitchen garbage |
| CN111424056A (en) * | 2020-02-28 | 2020-07-17 | 长沙凯天工研院环保服务有限公司 | Method for improving efficiency of anaerobic digestion biogas production of kitchen waste |
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Application publication date: 20210713 |