CN112811742A - Kitchen waste fermentation liquid treatment device - Google Patents
Kitchen waste fermentation liquid treatment device Download PDFInfo
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- CN112811742A CN112811742A CN202110189349.4A CN202110189349A CN112811742A CN 112811742 A CN112811742 A CN 112811742A CN 202110189349 A CN202110189349 A CN 202110189349A CN 112811742 A CN112811742 A CN 112811742A
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- 239000007788 liquid Substances 0.000 title claims abstract description 95
- 238000000855 fermentation Methods 0.000 title claims abstract description 35
- 230000004151 fermentation Effects 0.000 title claims abstract description 35
- 239000010806 kitchen waste Substances 0.000 title claims abstract description 33
- 238000001035 drying Methods 0.000 claims abstract description 153
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 96
- 238000004821 distillation Methods 0.000 claims abstract description 84
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 78
- 238000000926 separation method Methods 0.000 claims abstract description 77
- 239000000463 material Substances 0.000 claims abstract description 52
- 239000007787 solid Substances 0.000 claims abstract description 45
- 102000004169 proteins and genes Human genes 0.000 claims abstract description 41
- 108090000623 proteins and genes Proteins 0.000 claims abstract description 41
- 239000004519 grease Substances 0.000 claims abstract description 38
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims description 53
- 238000005192 partition Methods 0.000 claims description 15
- 238000009833 condensation Methods 0.000 claims description 13
- 230000005494 condensation Effects 0.000 claims description 13
- 238000007790 scraping Methods 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 claims description 5
- 239000000110 cooling liquid Substances 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000005188 flotation Methods 0.000 claims description 3
- 239000010813 municipal solid waste Substances 0.000 claims 1
- 235000019750 Crude protein Nutrition 0.000 abstract description 9
- 238000005191 phase separation Methods 0.000 abstract description 6
- 238000011084 recovery Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 10
- 239000002893 slag Substances 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 239000010865 sewage Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000012214 genetic breeding Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000013072 incoming material Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000020978 protein processing Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kitchen waste fermentation liquor treatment device which comprises a solid-liquid separation unit, a solid residue protein drying unit, an oil-water separation unit and an alcohol distillation unit, wherein the solid-liquid separation unit is respectively communicated with the solid residue protein drying unit and the oil-water separation unit and is used for separating fermentation liquor into wet materials and a mixture of clear liquid and grease, inputting the wet materials into the solid residue protein drying unit and inputting the mixture of the clear liquid and the grease into the oil-water separation unit; the solid residue protein drying unit is used for drying the wet material and outputting solid residue protein; the oil-water separation unit is also communicated with the alcohol distillation unit and is used for separating clear liquid and grease, inputting the clear liquid into the alcohol distillation unit and outputting the grease; the alcohol distillation unit is used for distilling and outputting alcohol from the clear liquid. The device integrates the functions of three-phase separation, alcohol distillation, grease recovery, crude protein drying and processing and the like, and compared with the existing processing equipment, the device has smaller volume and lower manufacturing cost.
Description
Technical Field
The invention relates to the field of kitchen waste treatment, in particular to a kitchen waste fermentation liquor treatment device.
Background
The kitchen waste is an important component of the urban waste and has the characteristics of coexistence of resource property and harmfulness. The existing mainstream kitchen waste treatment technology mainly comprises landfill, breeding, anaerobic digestion, mechanical crushing, aerobic composting and the like. However, most of the kitchen waste treatment technologies have short plates with long process, low treatment efficiency, incomplete treatment and the like.
The newly developed kitchen waste harmless treatment process-combined biological processing technology by Chinese researchers screens out a multifunctional yeast-a 'dirty yeast' through a genetic breeding method, can degrade and convert complex components of kitchen waste, and can convert the kitchen waste into various high-added-value core products such as ethanol, industrial grease, crude protein powder and the like. Through analysis of the production and operation conditions of the demonstration production line of the process, the process is found to be capable of better realizing harmless, recycling and reduction treatment of the kitchen waste compared with the existing mainstream kitchen waste treatment process, and products such as ethanol, industrial grease and crude protein powder produced by utilizing the kitchen waste also have higher economic utilization value. However, the process has the disadvantages of long flow, complex process, high investment cost and the like, and particularly after the fermentation of the kitchen waste is completed, alcohol, oil and crude protein powder in the kitchen waste fermentation liquor can be separated by a three-phase separation system, an alcohol distillation system, an oil recovery system, a crude protein processing system and other processes, so that the popularization and application process of the process is greatly hindered by huge equipment investment cost and land cost.
Therefore, the kitchen waste fermentation liquor treatment device which is small in size and low in price and integrates the functions of three-phase separation, alcohol distillation, oil recovery, crude protein drying and processing and the like becomes a problem to be solved urgently by scientific research members in the field.
Disclosure of Invention
Aiming at the defects in the prior art, the invention needs to solve the problems that: the kitchen waste fermentation liquor treatment device is small in size and low in price, and integrates the functions of three-phase separation, alcohol distillation, oil recovery, crude protein drying and processing and the like.
In order to solve the problems in the prior art, the invention adopts the following technical scheme:
a kitchen waste fermentation liquor treatment device comprises a solid-liquid separation unit, a solid residue protein drying unit, an oil-water separation unit and an alcohol distillation unit, wherein the solid-liquid separation unit is respectively communicated with the solid residue protein drying unit and the oil-water separation unit and is used for separating fermentation liquor into wet materials and a mixture of clear liquid and grease, inputting the wet materials into the solid residue protein drying unit and inputting the mixture of the clear liquid and the grease into the oil-water separation unit; the solid residue protein drying unit is used for drying the wet material and outputting solid residue protein; the oil-water separation unit is also communicated with the alcohol distillation unit and is used for separating clear liquid and grease, inputting the clear liquid into the alcohol distillation unit and outputting the grease; the alcohol distillation unit is used for distilling and outputting alcohol from the clear liquid.
Preferably, the solid slag protein drying unit comprises a first driving device (which can be a motor) and a drying unit cylinder body which is vertically arranged, the upper end of the drying unit cylinder body is provided with a moisture discharging port and a wet material inlet, the wet material inlet is communicated with the solid-liquid separation unit, and the inner lower end surface of the drying unit cylinder body is provided with a solid slag protein discharging port; the drying unit cylinder also comprises a rotating shaft which is coaxial with a cylinder enclosed by the side wall of the drying unit cylinder and can rotate relative to the drying unit cylinder, and a large drying disc and a small drying disc which are coaxial with the cylinder enclosed by the side wall of the drying unit cylinder and can not rotate relative to the drying unit cylinder; the large drying discs and the small drying discs are arranged at intervals and are separated by a preset distance, the outer diameter of each large drying disc is equal to the inner diameter of the inner side wall of the cylinder body of the drying unit, the inner diameter of each large drying disc is larger than the outer diameter of the rotating shaft, the outer diameter of each small drying disc is smaller than the inner diameter of the inner side wall of the cylinder body of the drying unit, and the inner diameter of each small drying disc; a long rake arm arranged along the radius direction of the large drying disc is arranged above the large drying disc, one end of the long rake arm is fixedly connected to the rotating shaft, a plurality of first rake blades are arranged below the long rake arm along the length direction of the long rake arm, the front end of each first rake blade is far away from the rotating shaft compared with the rear end of each first rake blade when rotating along with the rotating shaft, and the distance between the end, closest to the rotating shaft, of each first rake blade and the rotating shaft is smaller than the distance between the inner edge of the large drying disc and the rotating shaft; between two adjacent first rake blades, the distance from one end, far away from the rotating shaft, of the first rake blade close to the rotating shaft is greater than the distance from one end, close to the rotating shaft, of the other first rake blade to the rotating shaft; a short harrow arm arranged along the radius direction of the small drying disc is arranged above the small drying disc, one end of the short harrow arm is fixedly connected to the rotating shaft, a plurality of second harrow blades are arranged below the short harrow arm along the length direction of the short harrow arm, when each second harrow blade rotates along with the rotating shaft, the front end of each second harrow blade is closer to the rotating shaft than the rear end of each second harrow blade, and the distance between the end, which is farthest away from the rotating shaft, of each second harrow blade and the rotating shaft is greater than the distance between the outer edge of the small drying disc and the rotating shaft; between two adjacent second rake blades, the distance from one end, far away from the rotating shaft, of the second rake blade close to the rotating shaft is greater than the distance from one end, close to the rotating shaft, of the other second rake blade to the rotating shaft; the first driving device can drive the rotating shaft to rotate; the drying unit cylinder is also internally provided with a first heating pipe, and the first heating pipe is provided with a hot air outlet.
Preferably, a conical boss with the outer diameter smaller than that of the drying unit cylinder is arranged on the inner lower end face of the drying unit cylinder, and the solid slag protein discharge port is arranged in a region between the outer edge of the conical boss and the inner side wall of the drying unit cylinder on the inner lower end face of the drying unit cylinder; the material scraping rod is arranged above the conical boss along the radius direction of the conical boss, one end of the material scraping rod is fixedly connected with the rotating shaft, and a material scraping plate corresponding to the area from the outer edge of the conical boss to the inner side wall of the drying unit cylinder is arranged below the material scraping rod.
Preferably, the axis of rotation is hollow structure, and is provided with hot-air inlet, and every big drying disk and little drying disk below are equipped with the first heating pipe that sets up along the radial direction of axis of rotation, and first heating pipe top is provided with a plurality of hot-air outlet along first heating pipe length direction interval, and first heating pipe one end is linked together with the axis of rotation.
Preferably, the rotating shaft is of a hollow structure and is provided with a hot air inlet, the long rake arm and the short rake arm are hollow pipes, and a plurality of hot air outlets are arranged below the long rake arm and the short rake arm at intervals along the length direction of the long rake arm and the short rake arm.
Preferably, the solid-liquid separation unit comprises an obliquely arranged auger, the auger is driven by a second driving device, and when the auger works, wet materials at the lower end of the auger which is obliquely inclined in the auger can be conveyed to the upper end of the auger which is obliquely inclined in the auger; the upper side of the inclined downward end of the auger is communicated with the fermentation liquor feeding hole, and the lower side of the auger is provided with a filter screen and is communicated with the oil-water separation unit; the lower side of one upward inclined end of the packing auger is provided with a wet material outlet.
Preferably, the oil-water separation unit comprises a water inlet area, an oil collection area and a water outlet area, a first partition plate extending upwards from the lower wall of the oil-water separation unit is arranged between the water inlet area and the oil collection area, a second partition plate extending downwards from the upper wall of the oil-water separation unit is arranged between the oil collection area and the water outlet area, and the horizontal height of the upper end of the first partition plate is higher than the horizontal height of the lower end of the second partition plate; the oil-water separation unit also comprises an oil-water feeding pipe, the inlet of the oil-water feeding pipe is used as the input end of the oil-water separation unit and is communicated with the solid-liquid separation unit, and the outlet of the oil-water feeding pipe is arranged in the water inlet area; an oil collecting funnel with an upward opening is arranged in the oil collecting area, the horizontal height of the upper end of the oil collecting funnel is higher than that of the upper end of the first partition plate, and the lower end of the oil collecting funnel is communicated with the oil discharge pipe; the connection part of the oil collecting area and the water outlet area is provided with filter cotton; the oil-water separation unit also comprises a clear liquid overflow pipe, the inlet of the clear liquid overflow pipe is arranged in the water outlet area, and the outlet of the clear liquid overflow pipe is communicated with the alcohol distillation unit.
Preferably, the oil-water separation unit further comprises a second heating pipe and/or an air floatation generator arranged below the oil collecting area.
Preferably, alcohol distillation unit is including heating the chamber, distillation chamber and condensation chamber, and clear liquid overflow pipe outlet sets up in the heating intracavity, heats the intracavity and is equipped with the third heating pipe, and the heating chamber bottom is linked together with first drainage pump's entry, and the export setting of first drainage pump is at distillation chamber middle part upside, and distillation chamber upper end and condenser pipe intercommunication, condenser pipe pass behind the condensation chamber and are linked together with the alcohol outlet, and the cooling chamber is equipped with coolant liquid outlet and import.
Preferably, the alcohol distillation unit further comprises any one or more of an overflow port, a first circulation device and a second circulation device; the overflow port is arranged in the heating cavity, and the horizontal height of the overflow port is 5mm-30mm higher than that of the upper end of the oil collecting funnel; the first circulating device comprises a second draining pump and an alcohol buffer cavity, the alcohol buffer cavity is respectively communicated with the outlet of the condensing pipe, the outlet of the alcohol and the inlet of the second draining pump, and the outlet of the second draining pump is arranged on the upper side of the distillation tower of the distillation cavity; the second circulation device comprises a third drainage pump and a reboiler, wherein an inlet of the third drainage pump is arranged at the bottom of the distillation cavity, and an outlet of the third drainage pump passes through the reboiler and then is arranged at the lower part of the distillation cavity.
In summary, the invention discloses a kitchen waste fermentation liquor treatment device, which comprises a solid-liquid separation unit, a solid residue protein drying unit, an oil-water separation unit and an alcohol distillation unit, wherein the solid-liquid separation unit is respectively communicated with the solid residue protein drying unit and the oil-water separation unit and is used for dividing fermentation liquor into wet materials and a mixture of clear liquid and grease, inputting the wet materials into the solid residue protein drying unit, and inputting the mixture of the clear liquid and the grease into the oil-water separation unit; the solid residue protein drying unit is used for drying the wet material and outputting solid residue protein; the oil-water separation unit is also communicated with the alcohol distillation unit and is used for separating clear liquid and grease, inputting the clear liquid into the alcohol distillation unit and outputting the grease; the alcohol distillation unit is used for distilling and outputting alcohol from the clear liquid. The device integrates the functions of three-phase separation, alcohol distillation, grease recovery, crude protein drying and processing and the like, and compared with the existing processing equipment, the device has smaller volume and lower manufacturing cost.
Drawings
For purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made in detail to the present invention as illustrated in the accompanying drawings, in which:
FIG. 1 is an isometric view of a kitchen waste fermentation broth treatment device disclosed by the invention;
FIG. 2 is a side view of a kitchen waste fermentation broth treatment device disclosed by the invention;
FIG. 3 is a schematic structural diagram of a part of the structure of a solid residue protein drying unit in the kitchen waste fermentation broth treatment device disclosed by the invention;
fig. 4 is a schematic structural diagram of the grease overflow assembly disclosed in the present invention.
Description of reference numerals: a first driving device 1, a wet material outlet 2, a packing auger 3, a filter screen 4, a fermentation liquor inlet 5, a solid-liquid separation cavity 6, a hot air inlet 7, a moisture exhaust port 8, a drying unit cylinder 9, a scraping heating component 10, a solid residue protein outlet 11, a conical boss 12, a second driving device 13, a water outlet area 14, a clear liquid overflow pipe 15, filter cotton 16, a first sewage discharge port 17, a heating steam outlet 18, a second heating pipe 19, an air flotation generator 20, an air inlet 21, an oil collection area 22, a grease overflow component 23, a second sewage discharge port 24, a water inlet area 25, an oil-water inlet pipe 26, a first liquid level meter 27, a heating steam inlet 28, a third heating pipe 29, a first water discharge pump 30, a heating cavity 31, a third sewage discharge port 32, a second water discharge pump 33, an alcohol discharge port 34, a temporary storage cavity 35, a second liquid level meter 36, a cooling liquid inlet 37, a distillation 38, a condensation cavity 39, the system comprises a condensation pipe 40, a cooling liquid outlet 41, a distillation cavity 42, a third drainage pump 43, a reboiler 44, an overflow port 45, an exhaust valve 46, a long rake arm 101, a first rake blade 102, a hot air outlet 103, a long heating pipe 104, a short rake arm 105, a second rake blade 106, a short heating pipe 107, a rotating shaft 108, a scraper plate 109, a large drying disc 110 and a small drying disc 111.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the invention discloses a kitchen waste fermentation liquor treatment device, which comprises a solid-liquid separation unit, a solid residue protein drying unit, an oil-water separation unit and an alcohol distillation unit, wherein the solid-liquid separation unit is respectively communicated with the solid residue protein drying unit and the oil-water separation unit and is used for separating fermentation liquor into wet materials and a mixture of clear liquid and grease, inputting the wet materials into the solid residue protein drying unit, and inputting the mixture of the clear liquid and the grease into the oil-water separation unit; the solid residue protein drying unit is used for drying the wet material and outputting solid residue protein; the oil-water separation unit is also communicated with the alcohol distillation unit and is used for separating clear liquid and grease, inputting the clear liquid into the alcohol distillation unit and outputting the grease; the alcohol distillation unit is used for distilling and outputting alcohol from the clear liquid.
The device integrates the functions of three-phase separation, alcohol distillation, grease recovery, crude protein drying and processing and the like, and compared with the existing processing equipment, the device has smaller volume and lower manufacturing cost.
As a preferred embodiment, the chambers of the solid-liquid separation unit, the oil-water separation unit and the alcohol distillation unit can be integrated in a box body, the oil-water separation unit comprises a water inlet area, an oil collection area and a water outlet area, and the alcohol distillation unit comprises a heating cavity, a distillation cavity, a condensation cavity and an alcohol cache cavity; the box body can be divided into three rows, and the middle row is respectively a condensation cavity, an alcohol cache cavity and a heating cavity from top to bottom; one row at one side of the middle row is respectively a solid-liquid separation unit and an oil-water separation unit from top to bottom; the other column of the middle column is a distillation cavity. Like this, both having taken care of the distillation chamber and needing the demand of great size in vertical direction, improved distillation efficiency, space and material have been utilized to the efficient again, have reduced the equipment volume, have reduced the equipment consumptive material.
As shown in fig. 3, in specific implementation, the solid slag protein drying unit includes a first driving device (which may be a motor) and a drying unit cylinder vertically arranged, a moisture discharging port and a wet material inlet are arranged at the upper end of the drying unit cylinder, the wet material inlet is communicated with the solid-liquid separation unit, and a solid slag protein discharging port is arranged on the inner lower end surface of the drying unit cylinder; the drying unit cylinder also comprises a rotating shaft which is coaxial with a cylinder enclosed by the side wall of the drying unit cylinder and can rotate relative to the drying unit cylinder, and a large drying disc and a small drying disc which are coaxial with the cylinder enclosed by the side wall of the drying unit cylinder and can not rotate relative to the drying unit cylinder (the large drying disc and the small drying disc can be fixed on the drying unit cylinder through a support); the large drying discs and the small drying discs are arranged at intervals and are separated by a preset distance, the outer diameter of each large drying disc is equal to the inner diameter of the inner side wall of the cylinder body of the drying unit, the inner diameter of each large drying disc is larger than the outer diameter of the rotating shaft, the outer diameter of each small drying disc is smaller than the inner diameter of the inner side wall of the cylinder body of the drying unit, and the inner diameter of each small drying disc; a long rake arm arranged along the radius direction of the large drying disc is arranged above the large drying disc, one end of the long rake arm is fixedly connected to the rotating shaft, a plurality of first rake blades are arranged below the long rake arm along the length direction of the long rake arm, the front end of each first rake blade is far away from the rotating shaft compared with the rear end of each first rake blade when rotating along with the rotating shaft, and the distance between the end, closest to the rotating shaft, of each first rake blade and the rotating shaft is smaller than the distance between the inner edge of the large drying disc and the rotating shaft; between two adjacent first rake blades, the distance from one end, far away from the rotating shaft, of the first rake blade close to the rotating shaft is greater than the distance from one end, close to the rotating shaft, of the other first rake blade to the rotating shaft; a short harrow arm arranged along the radius direction of the small drying disc is arranged above the small drying disc, one end of the short harrow arm is fixedly connected to the rotating shaft, a plurality of second harrow blades are arranged below the short harrow arm along the length direction of the short harrow arm, when each second harrow blade rotates along with the rotating shaft, the front end of each second harrow blade is closer to the rotating shaft than the rear end of each second harrow blade, and the distance between the end, which is farthest away from the rotating shaft, of each second harrow blade and the rotating shaft is greater than the distance between the outer edge of the small drying disc and the rotating shaft; between two adjacent second rake blades, the distance from one end, far away from the rotating shaft, of the second rake blade close to the rotating shaft is greater than the distance from one end, close to the rotating shaft, of the other second rake blade to the rotating shaft; the first driving device can drive the rotating shaft to rotate; the drying unit cylinder is also internally provided with a first heating pipe, and the first heating pipe is provided with a hot air outlet.
In the invention, the number and the spacing of the large and small drying trays can be adjusted according to the size of the dryer and the incoming amount of the wet materials, the larger the dryer is designed or the more the incoming materials are, the number of the large and small drying trays can be increased, and the better drying effect is achieved, and the spacing between the large and small drying trays can be preferably between 200 and 300 mm.
After wet material got into solid sediment albumen drying unit, a drive arrangement drove the axis of rotation and rotates, and then drives the harrow leaf and revolve the axis of rotation, and wet material can be followed outside and moved to the inboard on big drying tray, can follow the inboard and moved to the outside on little drying tray, because big drying tray and the alternate setting of little drying tray, consequently, can prolong the motion route of wet material in solid sediment albumen drying unit, extension drying time guarantees better drying effect. In addition, the raking blades can also play a role of continuously turning over materials, so that the drying efficiency is further improved, and the hardening of solid residue protein is avoided. The hot air outlet can blow out hot air, so that moisture in the wet material is quickly evaporated, and water vapor and air can be discharged through the moisture discharging port at the upper end of the drying unit cylinder.
When the device is specifically implemented, a conical boss with the outer diameter smaller than that of the drying unit cylinder is arranged on the inner lower end face of the drying unit cylinder, and the solid slag protein discharge hole is arranged in a region between the outer edge of the conical boss and the inner side wall of the drying unit cylinder on the inner lower end face of the drying unit cylinder; the material scraping rod is arranged above the conical boss along the radius direction of the conical boss, one end of the material scraping rod is fixedly connected with the rotating shaft, and a material scraping plate corresponding to the area from the outer edge of the conical boss to the inner side wall of the drying unit cylinder is arranged below the material scraping rod.
In order to discharge the dried solid slag protein in time and not to stack a large amount in the cylinder of the drying unit, the invention ensures that the solid slag protein is gathered in the edge area of the lower end surface in the cylinder of the drying unit by arranging the conical boss, and the solid slag protein is discharged in time by the solid slag protein discharge hole and the scraper plate which are arranged in the edge area.
During concrete implementation, the axis of rotation is hollow structure, and is provided with hot-air inlet, and every big drying disk and little drying disk below are equipped with the first heating pipe that sets up along the radial direction of axis of rotation, and first heating pipe top is provided with a plurality of hot-air outlet along first heating pipe length direction interval, and first heating pipe one end is linked together with the axis of rotation.
In the invention, the hollow rotating shaft is adopted, so that a special air inlet pipeline is not required to be arranged, each drying disc can be provided with a plurality of first heating pipes, wet materials are fully heated and dried, and moisture in the wet materials is rapidly evaporated.
During specific implementation, the rotating shaft is of a hollow structure and is provided with a hot air inlet, the long rake arm and the short rake arm are hollow pipes, and a plurality of hot air outlets are arranged below the long rake arm and the short rake arm at intervals along the length direction of the long rake arm and the short rake arm.
In the invention, except that the first heating pipe is specially arranged, a hollow long rake arm and a hollow short rake arm can be adopted, and hot air outlets are arranged on the long rake arm and the short rake arm, so that the aim of quickly evaporating moisture is fulfilled, and the stirring effect can be improved.
When the device is specifically implemented, the solid-liquid separation unit comprises an obliquely arranged auger, the auger is driven by a second driving device (which can be a motor), and when the auger works, wet materials at the inner oblique lower end of the auger can be conveyed to the inner oblique upper end of the auger; the upper side of the inclined downward end of the auger is communicated with the fermentation liquor feeding hole, and the lower side of the auger is provided with a filter screen and is communicated with the oil-water separation unit; the lower side of one upward inclined end of the packing auger is provided with a wet material outlet.
If the chambers of the solid-liquid separation unit, the oil-water separation unit and the alcohol distillation unit can be integrated in a box body, a feed pipe can be vertically arranged at the upper end of the box body corresponding to the solid-liquid separation unit, the upper end of the feed pipe is used as a fermentation liquor feed inlet, and the lower end of the feed pipe is communicated with the downward inclined end of the auger. The one end that the auger inclines upwards stretches out the box. After the fermentation liquor enters the auger, the solid residues move to the wet material residue outlet under the action of the auger and are finally discharged from the wet material outlet, and the grease and the clear liquid enter the oil-water separation unit through the filter screen. As shown in figure 1, an aggregate funnel can be arranged below one inclined downward end of the auger, and the lower part of the funnel is communicated with the oil-water separation unit through a pipeline, so that the effect of collecting grease and clear liquid is ensured.
As shown in fig. 4, in specific implementation, the oil-water separation unit includes a water inlet region, an oil collection region, and a water outlet region, a first partition plate extending upward from the lower wall of the oil-water separation unit is disposed between the water inlet region and the oil collection region, a second partition plate extending downward from the upper wall of the oil-water separation unit is disposed between the oil collection region and the water outlet region, and the horizontal height of the upper end of the first partition plate is higher than the horizontal height of the lower end of the second partition plate; the oil-water separation unit also comprises an oil-water feeding pipe, the inlet of the oil-water feeding pipe is used as the input end of the oil-water separation unit and is communicated with the solid-liquid separation unit, and the outlet of the oil-water feeding pipe is arranged in the water inlet area; an oil collecting funnel with an upward opening is arranged in the oil collecting area, the horizontal height of the upper end of the oil collecting funnel is higher than that of the upper end of the first partition plate, and the lower end of the oil collecting funnel is communicated with the oil discharge pipe; the connection part of the oil collecting area and the water outlet area is provided with filter cotton; the oil-water separation unit also comprises a clear liquid overflow pipe, the inlet of the clear liquid overflow pipe is arranged in the water outlet area, and the outlet of the clear liquid overflow pipe is communicated with the alcohol distillation unit.
In the invention, a plurality of oil collecting funnels can be arranged and communicated with the oil discharge pipe after converging through the pipeline. In addition, a first sewage draining port and a second sewage draining port can be respectively arranged at the lower parts of the water outlet area and the water inlet area. The grease and the clear liquid flow into the water inlet area, and a small amount of residual solid residues in the water inlet area can settle to the bottom of the water inlet area and are discharged through the second sewage outlet. When the grease and the clear liquid overflow the first clapboard, the grease enters the separation area, because the density of the grease is lower than that of the clear liquid, the grease can float on the liquid level, and when the liquid level of the grease is higher than the upper edge of the oil collecting funnel, the grease can flow into the oil collecting funnel and is discharged through the oil discharge pipe. The clear liquid below the grease flows into the water outlet area through the filter cotton and then flows into the alcohol distillation unit through the clear liquid overflow pipe.
In specific implementation, the oil-water separation unit further comprises a second heating pipe and/or an air floatation generator arranged below the oil collection area.
The second heating pipe can heat the liquid in the separation area, and the phenomenon that the grease on the upper part is solidified and cannot flow into the oil collecting funnel or block the oil discharge pipeline is prevented. In addition, the air flotation generator arranged at the bottom of the cavity can generate a large amount of micro bubbles after air is introduced, so that suspended oil drops in clear liquid are driven to float upwards, and the oil on the upper part can fluctuate to enable the oil to flow into the oil collecting funnel more easily.
During specific implementation, alcohol distillation unit is including heating the chamber, distillation chamber and condensation chamber, and clear liquid overflow pipe outlet sets up in heating the intracavity, heats the intracavity and is equipped with the third heating pipe, and heating chamber bottom is linked together with first drainage pump's entry, and the export setting of first drainage pump is in distillation chamber (the column plate can adopt the bubble cap tray) middle part, and distillation chamber upper end and condenser pipe intercommunication, and the condenser pipe passes behind the condensation chamber and is linked together with the alcohol export, and the cooling chamber is equipped with coolant liquid export and import.
The part from the feeding tray to the top of the tower is the rectifying section of the rectifying tower, and the part from the feeding tray to the bottom of the tower is the stripping section of the rectifying tower.
The outlet of the first drainage pump is a feeding hole of the distillation cavity, the first drainage pump is arranged in the middle of the distillation cavity, and heated clear liquid flows downwards through the stripping section to carry out alcohol distillation after being injected into the distillation cavity from the middle of the distillation cavity, so that impurities and most of water in the clear liquid are separated.
The second drainage pump injects the liquid in the alcohol temporary storage cavity into the cavity from the upper part of the distillation cavity, and the liquid flows through the rectification section, so that the alcohol concentration can be improved.
The heating cavity can be internally provided with a first liquid level meter, so that a worker can conveniently observe the liquid level height in the heating cavity. After the clear liquid in the cavity is heated to a specified temperature, the first drainage pump can inject the heated clear liquid into the distillation cavity from the middle part of the distillation cavity, and the liquid can flow downwards through each layer of distillation tower plate in the cavity and is evaporated.
In specific implementation, the alcohol distillation unit further comprises one or more of an overflow port, a first circulation device and a second circulation device; the overflow port is arranged in the heating cavity, and the horizontal height of the overflow port is 5mm-30mm (preferably 10 mm) higher than that of the upper end of the oil collecting funnel; the first circulating device comprises a second draining pump and an alcohol buffer cavity, the alcohol buffer cavity is respectively communicated with the outlet of the condensing pipe, the outlet of the alcohol and the inlet of the second draining pump, and the outlet of the second draining pump is arranged on the upper side of the distillation tower of the distillation cavity; the second circulation device comprises a third drainage pump and a reboiler, wherein an inlet of the third drainage pump is arranged at the bottom of the distillation cavity, and an outlet of the third drainage pump passes through the reboiler and then is arranged at the lower part of the distillation cavity.
The level of the overflow port is slightly higher than the upper edge of the oil collecting funnel, so that the liquid level in the oil-water separation unit can be prevented from being too high, and a large amount of clear liquid overflows from the oil collecting funnel.
The first drainage pump can pour into the distillation chamber (distillation chamber bottom can set up the third drain) from the distillation chamber middle part with the clear solution after the heating in, liquid can flow through each layer distillation column plate in the intracavity downwards, and then after the evaporation, unevaporated liquid can finally assemble at the bottom of the chamber, then can start third drainage pump and reboiler, heat the liquid of cavity to the assigned temperature, the steam that rises up can upwards pass each layer distillation column plate and carry out the heat exchange, make the alcohol in the liquid on each layer column plate evaporate rapidly, the final export from the chamber top of the intracavity of alcohol steam gets into the condenser pipe. The cooling liquid that flows in the condensation chamber makes the alcohol steam in the condenser pipe liquefy rapidly for alcohol to flow into in the alcohol chamber of keeping in (can set up the second level gauge in the alcohol buffer chamber, alcohol chamber top of keeping in can set up discharge valve) to accomplish whole distillation technology. After the distillation is finished, alcohol can be collected from the alcohol discharge port for detection, and if the alcohol concentration does not meet the requirement, the liquid in the alcohol temporary storage cavity can be injected into the distillation cavity again through the second drainage pump for repeated distillation until the requirement is met.
Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the invention, and that, while the invention has been described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A kitchen waste fermentation liquor treatment device is characterized by comprising a solid-liquid separation unit, a solid residue protein drying unit, an oil-water separation unit and an alcohol distillation unit, wherein the solid-liquid separation unit is respectively communicated with the solid residue protein drying unit and the oil-water separation unit and is used for separating fermentation liquor into wet materials and a mixture of clear liquid and grease, inputting the wet materials into the solid residue protein drying unit and inputting the mixture of the clear liquid and the grease into the oil-water separation unit; the solid residue protein drying unit is used for drying the wet material and outputting solid residue protein; the oil-water separation unit is also communicated with the alcohol distillation unit and is used for separating clear liquid and grease, inputting the clear liquid into the alcohol distillation unit and outputting the grease; the alcohol distillation unit is used for distilling and outputting alcohol from the clear liquid.
2. The kitchen waste fermentation liquor treatment device according to claim 1, wherein the solid residue protein drying unit comprises a first driving device and a drying unit cylinder body which is vertically arranged, the upper end of the drying unit cylinder body is provided with a moisture discharging port and a wet material inlet, the wet material inlet is communicated with the solid-liquid separation unit, and the inner lower end surface of the drying unit cylinder body is provided with a solid residue protein discharging port; the drying unit cylinder also comprises a rotating shaft which is coaxial with a cylinder enclosed by the side wall of the drying unit cylinder and can rotate relative to the drying unit cylinder, and a large drying disc and a small drying disc which are coaxial with the cylinder enclosed by the side wall of the drying unit cylinder and can not rotate relative to the drying unit cylinder; the large drying discs and the small drying discs are arranged at intervals and are separated by a preset distance, the outer diameter of each large drying disc is equal to the inner diameter of the inner side wall of the cylinder body of the drying unit, the inner diameter of each large drying disc is larger than the outer diameter of the rotating shaft, the outer diameter of each small drying disc is smaller than the inner diameter of the inner side wall of the cylinder body of the drying unit, and the inner diameter of each small drying disc; a long rake arm arranged along the radius direction of the large drying disc is arranged above the large drying disc, one end of the long rake arm is fixedly connected to the rotating shaft, a plurality of first rake blades are arranged below the long rake arm along the length direction of the long rake arm, the front end of each first rake blade is far away from the rotating shaft compared with the rear end of each first rake blade when rotating along with the rotating shaft, and the distance between the end, closest to the rotating shaft, of each first rake blade and the rotating shaft is smaller than the distance between the inner edge of the large drying disc and the rotating shaft; between two adjacent first rake blades, the distance from one end, far away from the rotating shaft, of the first rake blade close to the rotating shaft is greater than the distance from one end, close to the rotating shaft, of the other first rake blade to the rotating shaft; a short harrow arm arranged along the radius direction of the small drying disc is arranged above the small drying disc, one end of the short harrow arm is fixedly connected to the rotating shaft, a plurality of second harrow blades are arranged below the short harrow arm along the length direction of the short harrow arm, when each second harrow blade rotates along with the rotating shaft, the front end of each second harrow blade is closer to the rotating shaft than the rear end of each second harrow blade, and the distance between the end, which is farthest away from the rotating shaft, of each second harrow blade and the rotating shaft is greater than the distance between the outer edge of the small drying disc and the rotating shaft; between two adjacent second rake blades, the distance from one end, far away from the rotating shaft, of the second rake blade close to the rotating shaft is greater than the distance from one end, close to the rotating shaft, of the other second rake blade to the rotating shaft; the first driving device can drive the rotating shaft to rotate; the drying unit cylinder is also internally provided with a first heating pipe, and the first heating pipe is provided with a hot air outlet.
3. The kitchen waste fermentation broth treatment device according to claim 2, wherein a conical boss with an outer diameter smaller than that of the drying unit cylinder is arranged on the inner lower end surface of the drying unit cylinder, and the solid residue protein discharge port is arranged in a region between the outer edge of the conical boss and the inner side wall of the drying unit cylinder on the inner lower end surface of the drying unit cylinder; the material scraping rod is arranged above the conical boss along the radius direction of the conical boss, one end of the material scraping rod is fixedly connected with the rotating shaft, and a material scraping plate corresponding to the area from the outer edge of the conical boss to the inner side wall of the drying unit cylinder is arranged below the material scraping rod.
4. The kitchen waste fermentation broth treatment device according to claim 2 or 3, wherein the rotating shaft is hollow and is provided with a hot air inlet, a first heating pipe is arranged below each large drying plate and each small drying plate along the radial direction of the rotating shaft, a plurality of hot air outlets are arranged above the first heating pipe along the length direction of the first heating pipe at intervals, and one end of the first heating pipe is communicated with the rotating shaft.
5. The kitchen waste fermentation broth treatment device according to claim 2 or 3, wherein the rotating shaft is a hollow structure and is provided with a hot air inlet, the long rake arm and the short rake arm are hollow pipes, and a plurality of hot air outlets are arranged under the long rake arm and the short rake arm at intervals along the length direction.
6. The kitchen waste fermentation broth treatment device according to any one of claims 1 to 3, wherein the solid-liquid separation unit comprises an auger which is obliquely arranged, the auger is driven by the second driving device, and the auger can convey wet materials at the lower end of the auger which is obliquely inclined in the auger to the upper end of the auger which is obliquely inclined in the auger when the auger works; the upper side of the inclined downward end of the auger is communicated with the fermentation liquor feeding hole, and the lower side of the auger is provided with a filter screen and is communicated with the oil-water separation unit; the lower side of one upward inclined end of the packing auger is provided with a wet material outlet.
7. The kitchen waste fermentation broth treatment device according to any one of claims 1 to 3, wherein the oil-water separation unit comprises a water inlet region, an oil collection region and a water outlet region, a first partition plate extending upwards from the lower wall of the oil-water separation unit is arranged between the water inlet region and the oil collection region, a second partition plate extending downwards from the upper wall of the oil-water separation unit is arranged between the oil collection region and the water outlet region, and the level of the upper end of the first partition plate is higher than the level of the lower end of the second partition plate; the oil-water separation unit also comprises an oil-water feeding pipe, the inlet of the oil-water feeding pipe is used as the input end of the oil-water separation unit and is communicated with the solid-liquid separation unit, and the outlet of the oil-water feeding pipe is arranged in the water inlet area; an oil collecting funnel with an upward opening is arranged in the oil collecting area, the horizontal height of the upper end of the oil collecting funnel is higher than that of the upper end of the first partition plate, and the lower end of the oil collecting funnel is communicated with the oil discharge pipe; the connection part of the oil collecting area and the water outlet area is provided with filter cotton; the oil-water separation unit also comprises a clear liquid overflow pipe, the inlet of the clear liquid overflow pipe is arranged in the water outlet area, and the outlet of the clear liquid overflow pipe is communicated with the alcohol distillation unit.
8. The kitchen waste fermentation broth treatment device according to claim 7, wherein the oil-water separation unit further comprises a second heating pipe and/or an air flotation generator disposed below the oil collection area.
9. The kitchen garbage fermentation broth processing device according to claim 7, wherein the alcohol distillation unit comprises a heating chamber, a distillation chamber and a condensation chamber, the outlet of the clear liquid overflow pipe is arranged in the heating chamber, a third heating pipe is arranged in the heating chamber, the bottom of the heating chamber is communicated with the inlet of the first drainage pump, the outlet of the first drainage pump is arranged at the upper side of the middle part of the distillation chamber, the upper end of the distillation chamber is communicated with a condensation pipe, the condensation pipe is communicated with the alcohol outlet after passing through the condensation chamber, and the cooling chamber is provided with a cooling liquid outlet and an inlet.
10. The kitchen waste fermentation broth treatment device according to claim 9, wherein the alcohol distillation unit further comprises any one or more of an overflow port, a first circulation device and a second circulation device; the overflow port is arranged in the heating cavity, and the horizontal height of the overflow port is 5mm-30mm higher than that of the upper end of the oil collecting funnel; the first circulating device comprises a second draining pump and an alcohol buffer cavity, the alcohol buffer cavity is respectively communicated with the outlet of the condensing pipe, the outlet of the alcohol and the inlet of the second draining pump, and the outlet of the second draining pump is arranged on the upper side of the distillation tower of the distillation cavity; the second circulation device comprises a third drainage pump and a reboiler, wherein an inlet of the third drainage pump is arranged at the bottom of the distillation cavity, and an outlet of the third drainage pump passes through the reboiler and then is arranged at the lower part of the distillation cavity.
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| CN202110189349.4A CN112811742A (en) | 2021-02-19 | 2021-02-19 | Kitchen waste fermentation liquid treatment device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110189349.4A CN112811742A (en) | 2021-02-19 | 2021-02-19 | Kitchen waste fermentation liquid treatment device |
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| CN112811742A true CN112811742A (en) | 2021-05-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114436462A (en) * | 2022-04-12 | 2022-05-06 | 烟台锐铭金属材料有限公司 | Kitchen waste fermentation liquor treatment device |
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