CN113136262A - Utilize hot-blast generating device of discarded animal fat - Google Patents
Utilize hot-blast generating device of discarded animal fat Download PDFInfo
- Publication number
- CN113136262A CN113136262A CN202010051703.2A CN202010051703A CN113136262A CN 113136262 A CN113136262 A CN 113136262A CN 202010051703 A CN202010051703 A CN 202010051703A CN 113136262 A CN113136262 A CN 113136262A
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- Prior art keywords
- unit
- waste
- slaughter
- hot wind
- grease
- Prior art date
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Links
- 235000019737 Animal fat Nutrition 0.000 title claims abstract description 37
- 239000002699 waste material Substances 0.000 claims abstract description 220
- 238000003307 slaughter Methods 0.000 claims abstract description 119
- 239000004519 grease Substances 0.000 claims abstract description 56
- 238000005238 degreasing Methods 0.000 claims abstract description 49
- 238000010438 heat treatment Methods 0.000 claims abstract description 48
- 238000003860 storage Methods 0.000 claims abstract description 37
- 239000006227 byproduct Substances 0.000 claims description 40
- 238000001035 drying Methods 0.000 claims description 24
- 230000006835 compression Effects 0.000 claims description 19
- 238000007906 compression Methods 0.000 claims description 19
- 238000007599 discharging Methods 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 4
- 239000000446 fuel Substances 0.000 abstract description 13
- 241000283690 Bos taurus Species 0.000 abstract description 7
- 241000282887 Suidae Species 0.000 abstract description 6
- 239000002912 waste gas Substances 0.000 abstract description 3
- 239000003925 fat Substances 0.000 description 30
- 235000019197 fats Nutrition 0.000 description 30
- 238000002485 combustion reaction Methods 0.000 description 26
- 238000000034 method Methods 0.000 description 23
- 239000003921 oil Substances 0.000 description 23
- 238000007670 refining Methods 0.000 description 10
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000001914 filtration Methods 0.000 description 6
- 238000002156 mixing Methods 0.000 description 5
- 239000000567 combustion gas Substances 0.000 description 4
- 235000011187 glycerol Nutrition 0.000 description 4
- 238000007602 hot air drying Methods 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000009264 composting Methods 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000010794 food waste Substances 0.000 description 2
- 239000010871 livestock manure Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 235000014593 oils and fats Nutrition 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- 239000010775 animal oil Substances 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000005325 percolation Methods 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 230000005180 public health Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B13/00—Recovery of fats, fatty oils or fatty acids from waste materials
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B1/00—Production of fats or fatty oils from raw materials
- C11B1/02—Pretreatment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/36—Details, e.g. burner cooling means, noise reduction means
- F23D11/42—Starting devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/36—Details, e.g. burner cooling means, noise reduction means
- F23D11/44—Preheating devices; Vaporising devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/74—Recovery of fats, fatty oils, fatty acids or other fatty substances, e.g. lanolin or waxes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention relates to a hot wind generating apparatus using waste animal fat generated by heating waste of slaughtered pigs or cattle, and more particularly, to a hot wind generating apparatus using waste animal fat, which includes: a conveying unit such as a conveyor belt or the like; a heating unit for heating the slaughtered waste conveyed by the conveying unit; a degreasing unit for compressing slaughtered waste heated at the heating unit to generate waste gas grease; a storage unit for storing the waste grease degreased by the degreasing unit; and a hot wind generating unit for supplying and burning the waste grease stored in the storage unit to generate hot wind, which are sequentially connected to degrease and store the waste grease contained in the slaughter waste, and then supplying fuel to dry the object to be dried using the hot wind generated during the burning.
Description
Technical Field
The present invention relates to a hot wind generating apparatus for generating hot wind by heating waste of slaughtered pigs or cattle, and more particularly, to a hot wind generating apparatus for generating hot wind by using waste animal fat, which includes: a conveying unit such as a conveyor belt or the like; a heating unit for heating the slaughtered waste conveyed by the conveying unit; a degreasing unit for compressing slaughtered waste heated at the heating unit to generate waste gas grease; a storage unit for storing the waste grease degreased by the degreasing unit; and a hot wind generating unit for supplying and burning the waste grease stored in the storage unit to generate hot wind, which are sequentially connected to degrease and store the waste grease contained in the slaughter waste, and then supplying fuel to dry the object to be dried using the hot wind generated during the burning.
Background
In general, organic pollutants such as sewage sludge, livestock manure, and food waste have a high water content, and thus are difficult to transport and store, and are easily rotten to generate offensive odor, and if they are buried in a landfill, many percolating water is generated, and thus river and underground water are polluted.
Therefore, these sludge-state contaminants are preferably rapidly composted or feeded, rather than landfilled. For this reason, various treatment methods for composting or feedingization have been developed, and among them, the method of composting or feedingization using microorganisms is considered to be an environmentally friendly method and is actively used. However, this microbial treatment method not only has a long treatment time, but also has a rapid decrease in treatment efficiency depending on weather, operating conditions, and the like. In addition, it is difficult to handle large amounts of pollutants.
On the contrary, a physical treatment method such as drying or evaporation, which evaporates water or oil from contaminants for easy transportation and storage and prevents decay, has advantages such as simple and rapid operation and small-scale operation, but has not been widely used due to the disadvantage of high energy consumption.
However, recently, various techniques for recovering thermal energy from waste resources have been developed so that thermal energy can be obtained at a relatively low cost, thereby increasing attention to physical treatment methods such as drying or evaporation. Therefore, in order to solve the problems such as difficulty in microbial treatment of livestock manure and the like or the problems of a large amount of pollutants such as food waste, there has been developed a method of physically treating waste, then facilitating transportation and storage thereof, preventing rotting, and using the physically treated waste as a raw material for mixed feed or destroying the waste.
Among them, drying is a physical treatment method for evaporating water from a material to be dried by using heat energy, and is considered to be a very useful treatment method because it is rapid and simple, and such drying methods roughly include a heat conduction drying method and a hot air drying method.
First, the hot air drying method is a method of directly contacting hot air with an object to be dried, and is classified into a direct heating method and an indirect heating method according to the kind of the injected hot air.
The direct heating method is a method in which combustion gas generated in a combustion apparatus is diluted with air and then directly injected into a drying furnace, and the indirect heating method is a method in which combustion gas or the like is injected into a hot air generator or a heat exchanger to form hot air, and then the hot air is injected into the drying furnace.
However, since the carbonized combustion gas used for the fuel in the hot air drying method poses a serious threat to public health by emitting soot containing harmful substances into the atmosphere to cause environmental pollution, a hot air generating apparatus using an environmentally friendly alternative fuel is recently being developed to replace the above carbonized combustion gas used for the fuel in the hot air drying method.
In addition, with regard to such an apparatus, there have been proposed various proposals that fat (waste fat and oil) is refined after heating slaughter waste generated when livestock such as cattle or pigs are slaughtered, and the refined fat is used as combustion fuel for a hot wind generating apparatus to supply hot wind.
[ Prior art documents ]
[ patent document ]
Patent document 0001) KR10-1124355 (registration number) 2012.02.29
0002) KR20-0259502 (registration number) 2001.12.20
Disclosure of Invention
[ problem to be solved ]
The present invention has been made to solve the above-mentioned conventional problems, and an object of the present invention is to provide a hot air generator using waste animal fat, which is configured to degrease and store waste fat contained in slaughtered waste, when the slaughtered waste such as cattle or pigs transferred by a transfer unit is heated by a heating unit and then passes through a degreasing unit, and then supply the degreased waste fat as fuel, and dry a material to be dried using hot air generated during combustion of the degreased waste fat.
Another object of the present invention is to separate slaughtered waste heated by a heating unit into waste grease and byproducts when passing through a degreasing unit, which can reduce degreasing costs because it quickly and easily separates fats contained in slaughtered waste, and at the same time, by which degreased waste byproducts are conveniently stored, applied, and transported.
[ solution ]
In order to achieve the above object, the present invention includes: a conveyor belt conveying unit 11 for supplying slaughtered waste by conveying; a heating unit 12 for heating the slaughter waste conveyed by the conveyor belt conveying unit 11; a degreasing unit 100 for receiving slaughter wastes heated by the heating unit 12, and discharging the slaughter wastes after separating waste oils and fats from slaughter byproducts, respectively; a grease storage unit 13 connected to the degreasing unit 100, for storing waste grease generated by the degreasing unit 100; and a hot air generating unit 20 for generating hot air while supplying and burning the waste grease stored in the grease storage unit 13, the degreasing unit 100 further comprising: a hopper unit 110 for throwing slaughter waste heated from the heating unit 12; a hollow type body unit 120 for receiving slaughter waste thrown from the hopper unit 110; a slaughter waste conveying means 130 including a drive shaft 132 and a drive motor provided inside the main body unit 120 and provided with a screw 131 for conveying slaughter waste; a screen unit 140 for separating waste grease from slaughter waste transferred from the body unit 120; and a slaughter waste discharge unit 150 disposed at one end of the screen unit 140 and formed with a slaughter by-product discharge port 151 for discharging the separated waste grease, the slaughter waste discharge unit 150 including: a cone unit 152 formed in a cylindrical shape by a plurality of rotating plates 152a to be partially overlapped with each other so as to be rotatable at an end of the screen unit 140 and having a diameter smaller toward a distal end; a cover unit 153 disposed outside the taper unit 152; a compression coil spring 154, one end of which is connected to the conical unit 152 and the other end of which is connected to the inner wall of the cover unit 153, is expanded and contracted by the transfer pressure of the slaughter waste transferred from the slaughter waste transfer device 130, thereby changing the diameter of the conical unit 152.
Also, the tapering unit 152 of the present invention is formed in a hollow conical shape in which a plurality of rotating plates 152a are partially overlapped with each other and have diameters gradually reduced toward end portions, and the rotating plates 152a are formed in a circular shape protruding upward or formed of a plate-shaped member having elasticity.
The rotating plate 152a according to the present invention is formed such that the width W1 of one end connected to the screen unit 140 is smaller than the width W2 of the other end.
Further, a partition corrugated member 155 is provided inside the cover unit 153 according to the present invention, and has one end fixed to an inner wall surface of the cover unit 153 and the other end connected to an end of the tapered unit 152.
Also, a slaughter waste shredding unit 112 is provided at a lower portion of the hopper unit 110 of the present invention, and is advanced and retreated by a cylinder 111.
Furthermore, the present invention also includes a drying unit 14, which is connected to the degreasing unit 100 and is configured to dry the slaughter byproducts discharged from the degreasing unit 100.
[ Effect of the invention ]
According to the hot air generating apparatus using waste animal fat, the slaughtered waste such as cattle or pigs conveyed by the conveying unit is heated by the heating unit and then passes through the degreasing unit, the waste fat contained in the slaughtered waste is degreased and stored, and then the waste fat is supplied as fuel, and the hot air generated during the combustion process is used for drying the object to be dried at low cost.
In addition, the slaughtered waste heated by the heating unit is separated into waste grease and byproducts when passing through the degreasing unit, and the degreasing cost can be reduced because the fat contained in the slaughtered waste is quickly and easily separated, and meanwhile, the degreased waste byproducts are convenient to store, apply and transport through the process.
Drawings
FIG. 1 is a schematic view showing a state of a hot wind generating apparatus using waste animal fat according to the present invention;
fig. 2 is a schematic sectional view of a degreasing unit provided in a hot wind generating apparatus using waste animal fat according to the present invention;
fig. 3 is an expanded view, a side view and a schematic cross-sectional view of a taper unit provided in a degreasing unit of a hot wind generating apparatus using waste animal fat according to the present invention;
FIG. 4 is a schematic view showing an operational state of a taper unit provided in a degreasing unit of a hot wind generating apparatus using waste animal fats and oils according to the present invention;
FIG. 5 is a perspective view showing a state of a rotating plate of a taper unit provided in a degreasing unit of a hot wind generating apparatus using waste animal fat according to the present invention;
fig. 6 is a view showing an operation state in which slaughter wastes are degreased by a degreasing unit of a hot wind generating apparatus using waste animal fats and oils of the present invention and separated into waste fats and oils and slaughter byproducts, and then discharged;
fig. 7 is a detailed view of a hot wind generating unit of a hot wind generating apparatus using waste animal fat according to the present invention;
fig. 8 is a schematic view showing a state of another embodiment of a hot wind generating apparatus using waste animal fat according to the present invention.
Reference numerals:
10. a hot air generating device using waste animal fat;
11. a conveyor belt conveying unit; m, slaughtering waste; m, slaughter by-products;
12. a heating unit; 12a, a storage unit; 12b, a heat generating device unit;
13. a grease storage unit; 13a, a supply line; 13b, a temporary storage unit; 13c, a main storage unit; 13p, a pump;
14. a drying unit;
20. a hot air generating unit; 21. an inflow port; 22. an outlet port; 23. a pump chamber; 24. a combustion furnace; 25. a combustion tube; 26. a supply unit; 27. an electric heater; 28. an ignition device;
30. a filtration device;
40. a refining device;
50. a separation device; 51. a mixing barrel; 52. a heating device; 53. a temperature control device;
60. a hot air generating device;
A. waste animal fat; B. refining animal oil; C. refined oil; D. glycerol;
100. a degreasing unit; 110. a hopper unit; 111 cylinder, 112, slaughter waste crushing unit;
120. a main body unit;
130. a slaughter waste conveyor; 131. a screw; 132. a drive shaft 133, a drive motor;
140. a screen unit; 141. a waste grease discharge port; 142. a screen cover portion;
150. a slaughter waste discharge unit; 151. an outlet port; 152. a conical unit; 152a, rotating plate; 154. compressing the coil spring; 155. a partition corrugated member;
160. and a rotating device.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The description is for the purpose of facilitating the operation thereof by a person of ordinary skill in the art.
As shown in fig. 1 to 8, a hot wind generating apparatus 10 using waste animal fat according to the present invention includes:
a conveyor belt conveying unit 11 for conveying slaughtered waste of cattle or pigs, etc.;
a heating unit 12 for heating the slaughter waste conveyed by the conveyor belt conveying unit 11 at a high temperature;
a degreasing unit 100 for receiving slaughter waste heated by the heating unit 12, and discharging the slaughter waste after separating into waste grease and slaughter byproducts;
a grease storage unit 13 connected to the degreasing unit 100, for storing waste grease generated by the degreasing unit 100;
a drying unit 14 connected to the degreasing unit 100, for drying slaughter byproducts discharged from the degreasing unit 100; and
a hot wind generating unit 20 for generating hot wind while supplying and burning the waste grease stored in the grease storage unit 13.
In the above-constructed hot wind generating apparatus 10 of the present invention using waste animal fat, slaughtered waste M is transferred and supplied to the heating unit 12 through the conveyor belt transfer unit 11.
Then, the slaughtered waste is heated by the heating unit 12 and supplied to the degreasing unit 100, where fat (which will be referred to as waste animal fat a) contained in the slaughtered waste is separated (extracted by compression), and then the waste fat is supplied and stored to the fat storage unit 13, and the slaughtered waste from which fat is separated (hereinafter, referred to as slaughter by-product m) is supplied and stored to the drying unit 14.
The waste oil and fat supplied and stored to the oil and fat storage unit 13 is supplied with the combustion fuel of the hot air generation unit 20 and is combusted, and the hot air generated by the combustion is supplied to the object to be dried, thereby drying the object, and greatly reducing the fuel cost required for drying the object by the hot air.
According to the invention, the waste fat and oil are separated from the waste cattle or pig slaughter waste in a heating mode, and the waste fat and oil are recycled as fuel for generating hot air, so that the cost is reduced, and slaughter byproducts are easily dried and applied, so that soil pollution caused by landfill of slaughter waste can be prevented, and the purpose of environmental protection is achieved.
The conveyor belt transfer unit 11, which includes a conveyor belt and a driving part, starts driving when the slaughtered waste M is transferred above the conveyor belt, thereby supplying the slaughtered waste to the heating unit 12, and a detailed construction thereof will be omitted since it is a device that can be implemented according to the related art.
And the heating unit 12, comprising a storage unit 12a for storing the conveyed slaughter waste M; a heat-generating device unit 12b for heating the slaughtered waste M stored in the storage unit 12 a.
Thus, when the slaughtered waste M is conveyed to the storage unit 12a, the heat-generating device unit 12b heats it.
At this time, a stirrer (not shown) for stirring the slaughtered waste M heated by the heat generating device unit 12b may be provided inside the storage unit 12a to improve the separation effect of the waste grease.
The grease storage unit 13 includes a temporary storage unit 13b for temporarily storing and storing waste grease separated from slaughtered waste by the degreasing unit 100 through a supply line 13 a; and a main storage unit 13c for pumping out and storing the waste grease stored in the temporary storage unit 13b by a pump 13 p.
Therefore, the waste oil and fat separated from the slaughter waste by the degreasing unit 100 is temporarily stored in the temporary storage unit 13b through the supply line 13a, so that the residue and the like are refined and then pumped to the main storage unit 13c through the pump 13p to be stored.
The waste grease stored in the main storage unit 13c is received through the process, supplied to the hot wind generation unit 20, and subjected to combustion treatment.
At this time, the waste grease is burned in the hot wind generating unit 20, and hot wind is generated, so that an object to be dried (not shown) can be dried using the hot wind.
As shown in fig. 7, the hot wind generating unit 20 is a device for generating hot wind by using waste grease separated from slaughter waste M as fuel, and includes: a pump chamber 23 having a hollow interior; a combustion furnace 24 provided in the pump chamber 23; and a combustion pipe 25 disposed in the combustion furnace 24 along a longitudinal direction thereof.
The combustion pipe 25 is provided with a supply unit 26 for supplying combustion air into the combustion pipe 25, and the supply unit is provided so as to penetrate the combustion pipe 25. An electric heater 27 for generating heat is provided inside the combustion pipe 25 along a length direction thereof. At one end of the burner tube 25, an ignition device 28 for igniting a spark is provided.
That is, the waste grease is supplied through a separate nozzle through the inflow port 21 formed at the other end of the combustion pipe 25, and the combustion air is supplied to the combustion pipe 25 through the supply unit 26, so that the combustion air and the waste grease are mixed in the combustion pipe 25, and flow to the end of the combustion pipe 25 (toward the ignition device 28 side) while being heated by the electric heater 27. Thereafter, the mixed combustion air and waste oil are ignited by an ignition device 28 provided at one end of the combustion pipe 25, thereby generating flame (heat of combustion) to the outside and hot air.
In addition, as shown in fig. 2 to 6, the degreasing unit 100 includes;
a hopper unit 110 for throwing slaughtered waste conveyed from the heating unit 12;
a hollow type body unit 120 for receiving slaughter waste thrown from the hopper unit 110;
a screen unit 140 which is provided at one end of the main body unit 120 to penetrate therethrough, and removes waste grease from the transmitted slaughter waste; and
a slaughter waste discharge unit 150 which is provided at one end of the screen unit 140 to penetrate therethrough, and which is formed with a slaughter by-product discharge port 151 for discharging separated waste grease,
the slaughter waste discharge unit 150 comprising: a cone unit 152 formed in a cylindrical shape by a plurality of rotating plates 152a to be partially overlapped with each other so as to be rotatable at an end of the screen unit 140 and having a diameter smaller toward a distal end; a cover unit 153 disposed outside the taper unit 152; and a compression coil spring 154 having one end connected to the conical unit 152 and the other end connected to the inner wall of the cover unit 153, which is expanded or restored by the transfer pressure of the slaughter waste transferred from the slaughter waste transfer device 130, thereby changing the diameter of the conical unit 152.
As shown in fig. 2, the degreasing unit 100 is configured to supply and receive slaughter wastes containing waste oil and fat heated by the heating unit 12 to and in the body unit 120 through a penetration unit at a lower end thereof when the slaughter wastes are thrown through an upper side of the hopper unit 110.
Here, the structure of supplying the slaughter waste heated by the heating unit 12 to the hopper unit 110 may be such that an outlet (not shown) is automatically opened to move and feed the slaughter waste to the hopper unit 110 when the temperature of the slaughter waste heated by the heating unit 12 rises to a certain temperature, and may also be implemented using various conventional technologies.
At the lower part of the hopper unit 110 is provided a slaughter waste shredding unit 112 which is advanced and retreated by a cylinder 111. The slaughter waste shredding unit 112 is provided at a front end of introducing slaughter waste into the main body unit 120, and is used to shred the slaughter waste. The slaughter waste shredding unit 112, which is provided above an introduction hole for introducing slaughter waste in the main body unit 120, is used to shred slaughter waste in a small size, and one or more than one may be provided according to the size of the hopper unit 110. The air cylinder 111 may be driven by hydraulic pressure or pneumatic pressure or electric power, and different operation intervals are set according to the shape of the slaughtered waste introduced into the hopper unit 110.
Also, when the compression coil spring 154 continues to be compressed for a certain time or more, it may be set that the slaughter waste shredding unit 112 stops the rotation of the screw to advance and retreat for a certain time or more.
Also, the end of the slaughter waste shredder unit 112 should be formed as sharp as a blade and inclined downward as shown in the drawing, so that the cut slaughter waste is easily pushed toward the introduction hole of the body unit 120.
In the main body unit 120, the driving shaft 132 is rotated by the driving motor 133. Therefore, as described above, when slaughter waste is introduced into the main unit 120 through the hopper unit 110, the slaughter waste is conveyed to the inside of the main unit 120 by the screw 131 provided at the drive shaft 132.
Slaughter waste moving along the inside of the body unit 120 is compressed when it reaches the conical unit 152 provided at the slaughter waste discharge unit 150 while passing through the screen unit 140. This is due to the fact that the conical unit 152 tapers in diameter towards its end, so that the continuously conveyed slaughter waste remains in said conical unit 152 and cannot move forward.
The screen unit 140 has a plurality of degreasing holes h formed in the entire surface of the screen 140a, and a screen cover 142 having a waste grease discharge port 141 formed in the outer side thereof.
Therefore, when the slaughter waste is continuously conveyed and moved to the conical unit 152, a pressing force is generated on the slaughter waste by the conical unit 152 (i.e., the compression coil spring is not initially compressed). At this time, the slaughter waste is squeezed to separate waste grease, and the separated waste grease flows out through the degreasing holes of the screen formed in the screen unit 140, is discharged through the waste grease discharge port 141 provided in the screen cover portion 142, is supplied through the supply line 13a, and is stored in the temporary storage unit 13 b.
At this time, when slaughter by-products, which are transferred to the conical unit 152 and removed of exhaust grease, increase, the compression coil spring 154, which is pressed against the conical unit 152, is compressed by being subjected to external pressure. That is, as the slaughter by-products of grease removal increase, they push outward out of the conical unit 152, compressing the compression coil spring 154.
By doing so, the conical unit 152 is gradually opened, so that the slaughter by-products are forced out through the end of the conical unit 152 and discharged through the discharge opening 151 provided at the cover unit 153 to be supplied to the drying unit 14.
As described above, the tapered unit 152, which is opened according to the degree of compression of the slaughter by-products, is not affected by the amount or density of the slaughter by-products, or the like. In addition, when the amount or density of the conveyed slaughter by-products is reduced in a state in which the compression coil spring 154 is compressed, the compression coil spring 154 restores the elastic force so that the conical unit 152 is gradually retracted.
Therefore, according to the present invention, the slaughter by-products accumulated in the conical unit 152 are automatically expanded or contracted according to the size (amount) or density, etc., thereof, thereby separating waste fat and allowing the slaughter by-products from which waste fat has been removed to be extruded to the discharge port 151 to be supplied to the drying unit 14 for processing.
Also, as shown in fig. 3, the taper unit 152 provided at the degreasing unit 100 is formed in a hollow conical shape, which is partially overlapped with each other at corners by a plurality of rotating plates 152 a. At this time, the rotation plate 152a is formed in a circular shape protruding upward.
Fig. 5 shows an embodiment in which the rotation plate 152a is formed in a circular shape protruding upward.
However, if a flexible member having elastic force is used for the rotation plate 152a, it may be provided in a plate shape and then bent for use, or may be provided in a cylindrical shape.
As described above, the rotating plate 152a may be rotated by providing the rotating device 160 at the end of the screen unit 140. The rotating means 160 may be generally provided by means of an existing hinge device, etc., and a detailed description thereof will be omitted herein.
The rotating plate 152a is preferably formed such that a width W1 of one end connected to the screen unit 140 is smaller than a width W2 of the other end. In this case, the tapered unit 152 is formed in a hollow conical shape (also referred to as a circular cone shape) by connecting one end of the plurality of rotating plates 152a having a small width to the connecting portion of the screen unit 140, so that the diameter of the connecting portion with the screen unit is increased, and the other ends having a large width are overlapped with each other to reduce the formed diameter.
Also, inside the cover unit 153, a partition corrugated member 155 (also called a bellows) is provided, one end of which is fixed to the inner wall surface of the cover unit 153 and the other end of which is connected to the end of the conical unit 152, for preventing slaughter byproducts extruded through the end of the conical unit 152 from flowing back into the compression coil spring 154 to be prevented from being entangled with each other.
Here, the number of the compression coil springs 154 to be provided may be adjusted according to the characteristics of the slaughter waste (by-product) to be processed. The greater the number of compression coil springs 154, the greater the pressure on the slaughter waste, so that the more waste fat that separates, if too much, the cone unit 152 cannot expand. The number of settings of the compression coil spring 154 should be suitably adjusted when setting it, depending on the slaughter waste.
The cover unit 153 is provided with an opening/closing portion 153a for cleaning the inside, maintenance, and the like. The screen unit 140 is also provided with a screen opening/closing portion 143 for cleaning the inside, maintenance, and the like.
The operation steps of separating the waste grease contained in the slaughter waste by the degreasing unit 100 of the above structure are specifically as follows.
First, when slaughter waste containing waste oils and fats heated by the heating unit 12 is conveyed to the upper side of the hopper unit 110, it is supplied to the main body unit 120 through the penetration unit of the lower end thereof.
In the body unit 120, the drive shaft 132 is rotated by the drive motor 133, so that the slaughter waste thrown into the interior of the body unit 120 by the hopper unit 110 is moved along the interior of the body unit 120 by being rotated by the screw 131.
The slaughter waste moving along the inside of the body unit 120 is compressed while passing through the screen unit 140, when reaching the conical unit 152 provided at the slaughter waste discharge unit 150. That is, the slaughter waste is compressed by the conical unit 152.
Therefore, when slaughter waste is continuously conveyed to the taper unit 152, pressing force is applied to the slaughter waste by the taper unit 152 to compress the slaughter waste, and waste grease flows out through the degreasing holes formed in the screen unit 140 and is discharged through the waste grease discharge port 141 provided in the screen cover portion 142 to be supplied to and stored in the temporary storage unit 13 b.
At this time, as slaughter waste (by-products) transferred to the conical unit 152 and removed of exhaust grease is gradually increased, the compression coil spring 154 is compressed due to an external force applied to the compression coil spring 154 pressing the conical unit 152. That is, as the separated slaughter waste (by-product) increases, it pushes outward out of the conical unit 152, thereby compressing the compression coil spring 154. By doing so, the conical unit 152 is gradually opened, so that a large amount of slaughter by-products from which waste fat has been removed is forced out through the end of the conical unit 152 and discharged through the discharge opening 151 provided in the cover unit 153, so as to be supplied to the drying unit 14.
Here, when the density of slaughter waste (byproducts) decreases, the compression coil spring 154 is gradually restored such that the diameter of the end of the conical unit 152 becomes small, and a small amount of slaughter byproducts is discharged.
Fig. 6 shows the situation when the smallest amount of slaughter by-products is discharged, the situation when a moderate amount of slaughter by-products is discharged and the situation when the largest amount of slaughter by-products is discharged, respectively, by means of the conical unit 152.
As described above, the degreasing unit 100 can automatically extract waste grease according to the size of the conveyed slaughter waste because the diameter of the conical unit thereof can be automatically changed, thereby greatly improving the working efficiency.
As shown in fig. 2b, the degreasing unit 100 of the present invention may be provided in a tapered shape in which the size (diameter) thereof gradually decreases from the end of the body unit 120, which is connected to the screw 131 and the driving motor 133 provided therein, toward the screen unit 140.
As mentioned above, slaughter by-products of fat are removed by the degreasing unit 100, which are supplied and stored to the drying unit 14. A stirring device (not shown) can be provided in the drying unit 14 for stirring the slaughter by-products.
And, in the drying unit 14, hot wind generated by the hot wind generating unit 20 may be supplied to dry the slaughter by-products. As described above, the slaughter by-products dried by the drying unit 14 can be used as feed or compost because they remove moisture or fat, and are convenient to transport and convey because they are light in weight. Furthermore, if the dried slaughter by-products are subjected to landfill treatment in a landfill site, the amount of percolation water can be minimized, so that the environment can be protected.
In addition, the present invention may refine and use the waste oil and fat a stored in the main storage unit 13 c.
That is, as shown in fig. 8, a filtering device 30, a refining device 40, and a separating device 50 may be further connected to the main storage unit 13C of the present invention, so that refined oil C refined to be refined is supplied to the hot wind generating unit 20.
In this configuration, since the refined oil C is separated from the waste animal fat and oil instead of directly burning the waste animal fat and oil a stored in the main storage unit 13C and only the refined oil is used, the filtering apparatus 30 is intended to filter the waste animal fat and oil a stored in the main storage unit 13C by using various shapes of filtering nets or the like, thereby filtering fine impurities, residues, and the like contained therein again.
The refining device 40 for refining and refining the refined animal fat B passing through the filtering device 30 may use the refining device 40 of the prior art disclosed. In the present invention, the waste animal fat a filtered by the refining apparatus 40 is referred to as refined animal fat B.
The separation device 50 is configured to separate methanol (CH) in an amount of 25 wt% based on the total weight of the refined animal fat B from the refined animal fat B refined by the refining device 403OH) and potassium hydroxide (KOH) in an amount of 0.5 wt% based on the total weight of the refined animal fat B, heating the mixture to a user-specified set temperature in a refining apparatus 40, and then allowing the mixture to pass through a user-specified set time. To this end, the separating device 50 comprises: a mixing tub 51 for mixing refined animal fat, methanol and hydrogen hydroxide;a heating device 52 for heating refined animal fat, methanol and hydrogen peroxide in the mixing tub; temperature and time control means for adjusting the temperature and time of the heating means 52.
After a predetermined time has elapsed, the Refined animal fat B is separated into a Refined Oil (C, C) layer and a Glycerin (D, D) layer in the mixing tub 51 because the Refined Oil C has a lower density than the Glycerin D and thus a Refined Oil C layer is formed on the upper portion of the Glycerin D layer.
As described above, according to the present invention, a hot wind generating apparatus using waste animal fat includes: a conveying unit such as a conveyor belt or the like; a heating unit for heating the slaughtered waste conveyed by the conveying unit; a degreasing unit for compressing slaughtered waste heated at the heating unit to generate waste gas grease; a storage unit for storing the waste grease degreased by the degreasing unit; and a hot wind generating unit for supplying and burning the waste grease stored in the storage unit to generate hot wind, which are sequentially connected to degrease and store the waste grease contained in the slaughter waste, and then supplying fuel to dry the object to be dried using the hot wind generated during the burning.
Claims (6)
1. A hot wind generating apparatus using waste animal fat, comprising:
a conveyor belt conveying unit (11) for supplying slaughtered waste by conveying;
a heating unit (12) for heating the slaughter waste conveyed by the conveyor belt conveying unit (11);
a degreasing unit (100) for receiving slaughter waste heated by the heating unit (12), and discharging the slaughter waste after separating waste grease and slaughter byproducts, respectively;
a grease storage unit (13) connected to the degreasing unit (100) and configured to store waste grease generated by the degreasing unit (100); and
a hot wind generation unit (20) for generating hot wind while supplying and burning the waste grease stored in the grease storage unit (13),
the degreasing unit (100) further comprises:
a hopper unit (110) for throwing slaughtered waste heated from the heating unit (12);
a hollow type body unit (120) for receiving slaughtered waste thrown from the hopper unit (110);
slaughtered waste conveyor apparatus (130) comprising: a drive shaft (132) provided inside the main body unit (120) and provided with a screw (131) that conveys slaughter waste; a drive motor (133) for driving the drive shaft;
a screen unit (140) for separating waste grease from slaughter waste conveyed from the body unit (120); and
a slaughter waste discharge unit (150) provided at one end of the screen unit (140) and formed with a slaughter by-product discharge port (151) for discharging separated waste grease, the slaughter waste discharge unit (150) comprising:
a conical unit (152) which is formed in a cylindrical shape by a plurality of rotating plates (152a) so as to be partially overlapped with each other, is rotatable at an end of the screen unit (140), and has a diameter that decreases toward a tip;
a cover unit (153) disposed outside the tapered unit (152);
a compression coil spring (154) having one end connected to the conical unit (152) and the other end connected to the inner wall of the cover unit (153), which is expanded and contracted by the transfer pressure of the slaughter waste transferred from the slaughter waste transfer device (130), thereby changing the diameter of the conical unit (152).
2. The hot wind generating apparatus using waste animal fat according to claim 1,
the tapered unit (152) is formed in a hollow conical shape in which a plurality of rotating plates (152a) are partially overlapped with each other and gradually decrease in diameter toward an end, and the rotating plates (152a) are formed in a circular shape protruding toward an upper portion or formed of a plate-shaped member having elasticity.
3. The hot wind generating apparatus using waste animal fat according to claim 2,
the rotating plate (152a) is formed such that a width (W1) of one end connected to the screen unit (140) is smaller than a width (W2) of the other end.
4. The hot wind generating apparatus using waste animal fat according to claim 1,
the inside of the cover unit (153) is also provided with a separation corrugated member (155), one end of which is fixed on the inner wall surface of the cover unit (153), and the other end of which is connected with the end of the conical unit (152).
5. The hot wind generating apparatus using waste animal fat according to claim 1,
the lower part of the hopper unit (110) is also provided with a slaughter waste shredding unit (112) which advances and retreats by means of a cylinder (111).
6. The hot wind generating apparatus using waste animal fat according to claim 1, further comprising:
and the drying unit (14) is connected with the degreasing unit (100) and is used for containing and drying slaughter byproducts discharged after the degreasing is separated from the degreasing unit (100).
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| CN202010051703.2A CN113136262B (en) | 2020-01-17 | 2020-01-17 | Hot air generating device utilizing waste animal fat |
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| CN202010051703.2A CN113136262B (en) | 2020-01-17 | 2020-01-17 | Hot air generating device utilizing waste animal fat |
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| CN113136262B CN113136262B (en) | 2024-04-02 |
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| CN101665744A (en) * | 2008-09-05 | 2010-03-10 | 维奥利亚环境服务公司 | Method for processing fatty wastes |
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