CN108018115A - Animal fat refining process - Google Patents

Animal fat refining process Download PDF

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Publication number
CN108018115A
CN108018115A CN201711285522.0A CN201711285522A CN108018115A CN 108018115 A CN108018115 A CN 108018115A CN 201711285522 A CN201711285522 A CN 201711285522A CN 108018115 A CN108018115 A CN 108018115A
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CN
China
Prior art keywords
liquid
solid
animal
state
oil
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CN201711285522.0A
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Chinese (zh)
Inventor
雒海涛
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Laiyang Yi Nong Agriculture And Animal Husbandry Equipment Co Ltd
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Laiyang Yi Nong Agriculture And Animal Husbandry Equipment Co Ltd
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Application filed by Laiyang Yi Nong Agriculture And Animal Husbandry Equipment Co Ltd filed Critical Laiyang Yi Nong Agriculture And Animal Husbandry Equipment Co Ltd
Priority to CN201711285522.0A priority Critical patent/CN108018115A/en
Publication of CN108018115A publication Critical patent/CN108018115A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11BPRODUCING, 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
    • C11B1/00Production of fats or fatty oils from raw materials
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11BPRODUCING, 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
    • C11B1/00Production of fats or fatty oils from raw materials
    • C11B1/02Pretreatment

Abstract

The present invention provides a kind of animal fat refining process, it is characterised in that comprises the following steps:A, raw material crushes;B, little particle intermediate airtight heating;C, waste vapour is handled;D, water dregs of fat mixture separation of solid and liquid;E, solid-state intermediate caches, in addition liquid intermediate caches;F, liquid intermediate liquid-liquid-solid centrifuges;G, wastewater treatment;H, product oil is packed.The problems such as present invention improves over traditional grease melting separate mode, avoids traditional approach pollution weight, overlong time, and final product quality is poor, has the advantages such as energy conservation and environmental protection, efficiency height, products obtained therefrom quality is high.From mode, traditional approach pollution weight, overlong time are avoided, the problems such as final product quality is poor, there is the advantages such as energy conservation and environmental protection, efficiency height, products obtained therefrom quality is high.

Description

Animal fat refining process
Technical field
The present invention relates to a kind of animal fat melting, separate mode, is to be related to a kind of animal fat refining work specifically Skill.
Background technology
The refining of animal fat refers to make grease melting, the mistake separated from animal organ by way of heating Journey.
The refining process of animal fat mainly has dry method refining and wet method refining two ways at present.
So-called dry method refining is i.e. placed in the vessel by animal tallow, and by being heated to container, container again adds animal tallow The mode of heat makes grease melting, a kind of separated refining process.
It is divided into straight fiery fire and heat-conducting medium, i.e. heat-conducting oil again according to heat source mode is different.
Animal fat is placed in the containers such as iron pan by straight fire fire, with containers such as fire heating iron pans, melts animal tallow Liquid is melted into, and continues a kind of biography of moisture evaporation, finally remaining liquid fat and albumen residue that fire makes in liquid fat System animal fat refining process.The drawback is that:
1st, fuel combustion produces atmosphere pollution;
2nd, container locally bears high temperature, and protein ingredient and partial fat produce gelatinization phenomenon, influence oil quality, while be gelatinized layer Container inner wall is pasted onto, influences container heat conduction, thermal energy is wasted and easily causes container local heating to be deformed then damaging;
3rd, inefficiency, labor intensity of operating staff are big;
4th, there are the security risks such as fire, scald.
There are following characteristics for the dry method refining animal tallow of heat-conducting oil:
1st, then conduction oil refining animal fat carries out container under normal circumstances by heat-conducting oil heating to 200 degrees centigrades Heating, container again heat animal tallow, reduce the thermal efficiency;
2nd, the antioxygenic property of mineral type conduction oil is poor, and coking Carbon Deposit Phenomenon can only adapt to closed system and make than more serious With, that is, to seal nitrogen, general producer in order to cost-effective all without removing envelope nitrogen, and as the time used will add often Add conduction oil, these belong to open system, that is, strictly speaking, the oil oven that mineral type conduction oil is not suitable for these operating modes makes With;
If using the domestic synthesis conduction oil of synthesis conduction oil based on import, the coking phenomenon of coking is just not present, service life Also greatly increase, but because its chemical characteristic, have certain corrosiveness to system, and the waste liquid after use can not also return Receive, cost increase is undoubtedly.
The refining of so-called wet method be make Boiler Steam directly with material animal fat contact heat-exchanging so that grease melting, point From a kind of refining process.The shortcomings that this technique is:
1st, the large quantity of moisture contained in animal tallow is blended in the grease melted out, the no equally heated volatilization of image of Buddha dry method refining Out, it can only be separated sedimentation by oil is different with water density after standing by way of natural layering, cause disengaging time to be grown, point From being not thorough, efficiency is low;
2nd, wet method refining must use closed container to make the animal fat in container be subject to the high temperature and high pressure of steam could melting Into liquid, the high pressure waste vapour produced in the closed container after melting can produce surrounding enviroment certain influence.
The content of the invention
It is an object of the invention to overcome the shortcoming of above-mentioned conventional art, there is provided a kind of high efficiency, products therefrom matter Amount height, the animal fat refining process for avoiding pollution environment.
The technical scheme is that:
Animal fat refining process, it is characterised in that comprise the following steps:
A, raw material crushes;
Breaker crushes raw material, obtains little particle intermediate;
B, little particle intermediate airtight heating;
Little particle intermediate is transported to heating unit, heating unit airtight heating little particle intermediate, heat source it is not direct with it is small Particle intermediate contacts, 120-170 degrees Celsius of heat source temperature, is heated to the curing of little particle intermediate, obtains water dregs of fat mixture;
C, waste vapour is handled;
After the completion of step B, the waste vapour produced in heating unit is sent into pollutant disposal system processing;
D, water dregs of fat mixture separation of solid and liquid;
Water dregs of fat mixture is sent into separation in equipment for separating liquid from solid, obtains solid-state intermediate and liquid intermediate;
E, solid-state intermediate caches, in addition liquid intermediate caches;
F, liquid intermediate liquid-liquid-solid centrifuges;
Liquid intermediate is transported to separating in liquid-liquid-solid centrifugal separating device, obtains waste water, product oil, residue;
G, wastewater treatment;
Waste water is sent into pollutant disposal system processing;
H, product oil is packed.
A kind of specific prioritization scheme, further includes step I:
Circulation step A-H, the residue obtained by liquid-liquid-solid centrifugal separating device in n-th circulation step F is sent into (n+1)th time and is followed In ring step D in equipment for separating liquid from solid.
A kind of specific prioritization scheme, it is further comprising the steps of:
J, solid-state intermediate is dried in vacuo, and obtains albumen powder;
Circulation step A-I, the saved bit by bit solid-state intermediate of multiple circulation is transported to heating unit, vacuum plant is opened, makes Heating unit negative pressure heats, and albumen powder is obtained after the drying of solid-state intermediate;
K, albumen powder is packed;
Albumen powder is transported to cake treatment apparatus, packaging.
A kind of specific prioritization scheme, little particle intermediate pass through the first transporting apparatus transports to heating unit, the first transport Device is metal mesh belt conveyer.
Water dregs of fat mixture is stirred in a kind of specific prioritization scheme, step B heating at the same time, and pollutant disposal system includes condensation Device, the waste vapour that step B is produced first pass through condensing unit condensation.
Solid-state intermediate is stirred in a kind of specific prioritization scheme, step J heating at the same time, and pollutant disposal system includes condensation and fills Put, the waste vapour that step J is produced first passes through condensing unit and is condensed into waste water.
A kind of specific prioritization scheme, the heat source of heating unit is high-temperature steam.
A kind of specific prioritization scheme, equipment for separating liquid from solid used in step D are solid-liquid spin vibration sieve.
A kind of specific prioritization scheme, liquid-liquid-solid centrifugal separating device used in step F are tubular type centrifugal separator or butterfly Formula centrifugal separator.
A kind of specific prioritization scheme, raw material include the precious oil of animal leaf fat, animal, the miscellaneous oil of animal, animal subcutaneous fat wherein One or more, raw material are fresh goods and/or frozen goods.
The present invention has the following advantages as a result of above technical scheme:
Traditional grease melting separate mode is improved, using airtight heating and the separated mode of liquid-liquid-solid three phase centrifugation, is avoided The problems such as traditional approach pollution weight, overlong time, final product quality is poor, there is the advantages such as energy conservation and environmental protection, efficiency height, products obtained therefrom Quality is high.
The invention will be further described with reference to the accompanying drawings and detailed description.
Brief description of the drawings
Fig. 1 is the flow chart of animal fat refining process of the present invention.
Fig. 2 is the structure diagram of animal fat refining equipment of the present invention.
Fig. 3 is the structure diagram of breaker.
Fig. 4 is the structure diagram of heating unit.
Fig. 5 is the structure diagram of pollutant disposal system.
Fig. 6 is the structure diagram of caching system.
Fig. 7 is the structure diagram of liquid-liquid-solid centrifugal separating device.
Fig. 8 is the structure diagram of cake treatment apparatus.
Embodiment
Embodiment 1:As shown in attached drawing 1-8, animal fat refining process, sets used in the animal fat refining process Standby is animal fat refining equipment.
Animal fat refining equipment, including:Breaker 1, for broken material;Transportation system 2, for transported material; Heating unit 3, for heated material;Pollutant disposal system 4, for handling pollutant, pollutant includes waste vapour and waste water;Gu Liquid separating apparatus 5, for by feed separation into solid-state intermediate and liquid intermediate;Caching system 6, for intermediate to be delayed Deposit;Liquid-liquid-solid centrifugal separating device 7, for liquid intermediate to be separated into waste water, product oil and residue;Vacuum plant 8, is used In heating unit 3 and make its negative pressure;Albumen powder packing device 9, is packed for albumen powder.
Heating unit 3 respectively with breaker 1, pollutant disposal system 4, equipment for separating liquid from solid 5, caching system 6, vacuum Device 8 connects, and pollutant disposal system 4 is also connected with liquid-liquid-solid centrifugal separating device 7 and vacuum plant 8 respectively, separation of solid and liquid Device 5 is also connected with caching system 6 and liquid-liquid-solid centrifugal separating device 7 respectively, and caching system 6 also divides with liquid-liquid-solid centrifugation respectively Connected from device 7 and albumen powder packing device 9.
Breaker 1 includes little particle intermediate discharge port 11, feed-crushing bucket 12, and feed-crushing bucket 12 is positioned at broken dress 1 lower part is put, feed-crushing bucket 12 is located at 1 top of breaker.
Breaker 1 is oppositely rolling roller crusher.Crushed in addition, breaker 1 can also be jaw crusher, impact type Machine, impact breaker, gyratory crusher, compound crusher, hammer mill or one stage crushing machine.
The left side that oppositely rolling roller crusher includes left breaker roll, the left breaker roll of driving rotates crush roll driving apparatus, right breaker roll, The right side that right breaker roll rotates is driven to crush roll driving apparatus.
Transportation system 2 includes the first conveying arrangement 21, the second conveying arrangement 22, the 3rd conveying arrangement the 23, the 4th transport dress Put 24 and the 5th conveying arrangement 25.
First conveying arrangement 21 is ribbon conveyer.It is reciprocal back and forth that ribbon conveyer includes conveyer belt, driving conveyer belt Transfer drive and conveyor belt support.Transfer drive is motor and gearbox.The material of conveyer belt is metal.It is defeated Send to take and multiple through holes are distributed with.Specifically, conveyer belt is guipure.
Specifically, the first conveying arrangement 21 is metal mesh belt conveyer.
Second conveying arrangement 22 is movably arranged.Second conveying arrangement 22 is ribbon conveyer.Ribbon conveyer includes defeated Send band, driving conveyer belt reciprocal transfer drive and conveyor belt support back and forth.Transfer drive is motor and change Fast case.The material of conveyer belt is metal.Multiple through holes are distributed with conveyer belt.Specifically, conveyer belt is carrier bar.
Conveyor belt support is connected with mobile device, and mobile device can be roller, and roller is connected with driving motor.In addition, Mobile device can also be slide.
Specifically, the second conveying arrangement 22 is chain scraper conveyor.
3rd conveying arrangement 23 is oil pump, piston pump or screw pump etc..
Specifically, the 3rd conveying arrangement 23 is oil pump.
4th conveying arrangement 24 is conveying oil pump, piston pump or screw pump etc..
Specifically, the 4th conveying arrangement 24 is conveying oil pump.
5th conveying arrangement 25 is ribbon conveyer or bucket elevator etc..Ribbon conveyer is defeated including conveyer belt, driving Send band reciprocal transfer drive and conveyor belt support back and forth.Transfer drive is motor and gearbox.Conveyer belt For belt.
Specifically, the 5th conveying arrangement 25 is bucket elevator.
Heating unit 3 includes reaction chamber 31, interlayer 32, agitating device 33, feed inlet 34, discharge port 35, gas outlet 36, guarantor Warm layer and fence.
Interlayer 32 is located at 31 periphery of reaction chamber, and feed inlet 34, discharge port 35 and gas outlet 36 are connected with reaction chamber 31 respectively, Feed inlet 34 and gas outlet 36 are located at 31 top of reaction chamber respectively, and discharge port 35 is located at 31 lower part of reaction chamber.Insulating layer is positioned at folder The outside of layer 32, fence are located at 3 top of heating unit.
Interlayer 32 is communicated with steam heater.
The stirring axial brake device that agitating device 33 includes agitating shaft and drives agitating shaft to rotate, agitating shaft both ends are worn respectively Go out reaction chamber 31, one end of the mixing shaft is sequentially connected with stirring axial brake device, and the agitating shaft other end is rotatablely connected with bearing block, axis Bearing on the outside of insulating layer with being fixedly connected.The part that agitating shaft is located in reaction chamber 31 is equipped with stirring parts.
Feed inlet 34 is equipped with sealing cover, and discharge port 35 is equipped with sealing cover, and sealing cover can select rubber close as needed The sealing covers such as envelope, mechanical seal.Gas outlet 36 is equipped with control valve, and seal is equipped between agitating shaft and reaction chamber 31, is stirred Mix and seal is equipped between axis and interlayer 32, seal can select the shaft seals such as mechanical seal, packing seal as needed.
In addition, heating unit 3 can also directly use desiccation treating machine, net volume 4m3.
Pollutant disposal system 4 includes condensing unit and wastewater treatment equipment, and condensing unit includes condenser 41 and cooling Tower 42, condenser 41 are connected with cooling tower 42, and wastewater treatment equipment includes sewage network, and sewage network connects with sewage treatment plant It is logical.Condenser 41 is connected with sewage network.Condenser 41 includes waste vapour feed inlet 411 and waste water discharge port 412.
Equipment for separating liquid from solid 5 includes liquid intermediate discharge port 51, solid-state intermediate discharge port 52, mixture feed inlet 53.Mixture feed inlet 53 is located at 5 top of equipment for separating liquid from solid.
Equipment for separating liquid from solid 5 is solid-liquid spin vibration sieve.In addition, equipment for separating liquid from solid 5 can also be plate and frame filter press or its He is used for the centrifugal separator for separating solid and liquid.
Solid-liquid spin vibration sieve includes engine base, and engine base is equipped with dc generator, and dc generator is connected with eccentric hammer, eccentric hammer It is sequentially connected with compass screen surface.
Caching system 6 includes liquid intermediate buffer storage 61 and solid-state intermediate buffer storage 62.
Liquid intermediate buffer storage 61 includes cache pool, cache pool upper opening, and cache pool lower part is equipped with outlet.
Solid-state intermediate buffer storage 62 and feed inlet 34 connect.Specifically, solid-state intermediate buffer storage 62 and charging Mouth 34 passes through ribbon conveyer or helix transporting device connects.
Solid-state intermediate buffer storage 62 and discharge port 35 connect.Specifically, solid-state intermediate buffer storage 62 and discharging Mouth 35 is connected by the second conveying arrangement 22.The relatively low one end in second conveying arrangement, 22 position is movable to the lower section of discharge port 35, The higher one end in second conveying arrangement, 22 position is located at 62 top of solid-state intermediate buffer storage.
Solid-state intermediate buffer storage 62 includes buffering chamber, and buffering chamber lower part is equipped with helix transporting device.
Liquid-liquid-solid centrifugal separating device 7 include product oil discharge port 71, waste water discharge port 72 and residue discharge port 73, from Heart separating feed mouth 74.
Liquid-liquid-solid centrifugal separating device 7 is used for the separation of the different solids, liquid, liquid three-phase mixture of density.
Liquid-liquid-solid centrifugal separating device 7 is tubular type centrifugal separator, rotating speed 30000r/min or higher.In addition, also may be used Think butterfly centrifugal seperator, rotating speed 4000-10000r/min or higher.
Vacuum plant 8 includes vacuum pump, connecting tube and control valve.
Albumen powder packing device 9 includes albumen filler bin, stacking module and packaging module.Albumen filler bin is located at albumen powder 9 top of packing device, stacking module are used to measure albumen powder and are compressed into albumen muffin, and packaging module is used for packaging protein powder Cake.
Breaker 1 and heating unit 3 are connected by the first conveying arrangement 21.Specifically, the first conveying arrangement 21 tilts Set, the relatively low one end in 21 position of the first conveying arrangement is located at the lower section of little particle intermediate discharge port 11, the first conveying arrangement 21 The higher one end in position is located at the top of feed inlet 34.
Discharge port 35 is connected with mixture feed inlet 53, specifically, mixture feed inlet 53 is located at the lower section of discharge port 35.
Gas outlet 36 is connected with waste vapour feed inlet 411 by pipeline, and pipeline is equipped with control valve.
Liquid intermediate discharge port 51 is connected with liquid intermediate buffer storage 61.Specifically, liquid intermediate discharge port 51 positioned at the top of liquid intermediate buffer storage 61.
Liquid intermediate buffer storage 61 is connected with liquid-liquid-solid centrifugal separating device 7.Specifically, liquid intermediate caching dress Put 61 and be connected with centrifuging feed inlet 74 by the 3rd conveying arrangement 23.
Product oil discharge port 71 is connected with the 4th conveying arrangement 24, and the 4th conveying arrangement 24 is connected with product oil holding vessel.
Waste water discharge port 72 is connected with pollutant disposal system 4.Specifically, waste water discharge port 72 is connected with sewage network.
Residue discharge port 73 is connected with equipment for separating liquid from solid 5.Specifically, residue discharge port 73 and mixture feed inlet 53 connections.Residue discharge port 73 is connected with mixture feed inlet 53 by pipeline, and pipeline is equipped with control valve.
Solid-state intermediate discharge port 52 is connected with solid-state intermediate buffer storage 62.Specifically, solid-state intermediate discharge port 52 are connected with solid-state intermediate buffer storage 62 by the second conveying arrangement 22.The relatively low one end position in second conveying arrangement, 22 position In the lower section of solid-state intermediate discharge port 52, the second conveying arrangement 22 is located at the top of liquid intermediate buffer storage 61 or sidepiece.The The higher one end in two conveying arrangements, 22 position is located at the top of solid-state intermediate buffer storage 62.
Solid-state intermediate buffer storage 62 and albumen powder packing device 9 connect.Specifically, solid-state intermediate buffer storage 62 Connected with albumen powder packing device 9 by the 5th conveying arrangement 25.
The application method of animal fat refining equipment, comprises the following steps:
A, raw material crushes, and obtains little particle intermediate.
The raw material sources are animal adipose tissue or internal organ or marrow.Animal includes the families such as chicken, duck, goose, pigeon, quail The fowl either letting animals feed one or more of which such as the domestic animal such as pig, ox, sheep, horse, camel, rabbit, cat, dog or fox, roe deer; Adipose tissue can be the animal subcutaneous fats such as leaf fat, precious oily, miscellaneous oil;Internal organ include liver, heart etc..
The raw material includes frozen product or fresh goods.Frozen product is for long-time storage and is readily transported, by freezing processing Pluck, fresh goods be slaughter production line be partitioned into, the pluck without freezing.
A1, transport raw material to breaker 1, specifically, raw material transport is subsequently poured into broken dress by having enough to meet the need vehicle Put in 1.
A2, by breaker 1 be broken into little particle by raw material by bulky grain, obtains little particle intermediate.
Advantage:
Raw material is torn into fritter by bulk after crushing, it is easier to curing is heated in heating unit 3, further improves hot friendship Change efficiency.
Frozen product raw material is crushed, substitutes frozen product negative catalysis process, saves the process time.
B, little particle intermediate airtight heating, obtains water dregs of fat mixture, and water dregs of fat mixture state closes on liquid.
B1, by little particle intermediate by the first conveying arrangement 21, i.e. metal mesh belt conveyer, transport to heating unit 3 It is interior.
Specifically, after 1 broken material of breaker, the first conveying arrangement 21 is fallen into from little particle intermediate discharge port 11 On conveyer belt, then transport to the top of heating unit 3, due to gravity, fall into feed inlet 34.
Advantage:
The conveyer belt of metal material has oil resistivity compared to the conveyer belt of traditional rubber material.Also, conveyer belt is equipped with Through hole, can separate the free moisture in little particle intermediate in course of conveying, reduce the aqueous of little particle intermediate Amount, and then reduce the energy consumption that heating unit 3 produces in stepb.
After b2, little particle intermediate fill up reaction chamber 31, feed inlet 34, discharge port 35, gas outlet 36 are closed, to interlayer 32 High-temperature steam is inside passed through, the pressure 0.35-0.5 megapascal of high-temperature steam, 120-170 degrees Celsius of temperature, preferably 140 degrees Celsius, add Heat to little particle intermediate cures, and obtains water dregs of fat mixture.
Water dregs of fat mixture is water, oil, the mixture of slag three, and oil is animal fat, and slag main component is animal protein, Wherein, the solid-state intermediate content in animal tallow is much smaller than liquid intermediate, and solid content is generally below 5%.
Advantage:
1st, the process makes temperature in reaction chamber 31 be increased to 0.35-0.45 megapascal, and 140 degrees centigrade of temperature, which can be right It is parasitic
2nd, compared to traditional open mode of heating, little particle intermediate is under closed environment and heats, small in heating process Contained moisture is formed vapor by thermal evaporation in particle intermediate, and vapor forms internal pressure in closed inner cavity 31, is made interior Chamber 31 forms hyperbaric environment.Process is similar to pressure cooker cooking, and the process that food is cooked, can make little particle intermediate In contained water reach higher temperature, faster cure little particle intermediate, improve the thermal efficiency, save the energy, shorten heating Time.
3rd, separate all outside contamination sources, avoid heating process small particles intermediate from being contaminated, meanwhile, avoid heating During steam leakage into external environment condition, air and surrounding enviroment are impacted.
4th, compared to straight fiery mode of heating, heat source is passed through into interlayer 32 and is stirred, has and is heated evenly, will not be because of part Temperature is excessive to cause local protein to be gelatinized and oil quality is affected.
5th, compared to heat-conducting oil heating, high-temperature steam is cleaning medium, and environmental pollution is small, and due to steam in itself The characteristics of, temperature upper limit is easily controlled in 140 degrees centigrades, will not or local temperature excessive because of transient temperature it is excessive and A small amount of albumen gelatinization and oil quality in little particle intermediate is caused to be influenced be subject to high temperature.
6th, interlayer 32 is externally provided with insulating layer, it is possible to reduce heat scatters and disappears.
7th, little particle intermediate is stirred at the same time, little particle intermediate can be made more equal compared to device without mixing, heating It is even heated, shorten heating time.
C, waste vapour is handled.
After the completion of step B, the waste vapour in heating unit 3 is sent into pollutant disposal system 4 and is handled.
After the completion of heating, the valve of control gas outlet 36 is opened, the steam of reaction chamber 3 is sent into condensation by gas outlet 36 Device, specifically, by waste vapour feed inlet 411, waste vapour enters in condenser 41, is then converted into waste water by cooling tower 42, It is sent into wastewater treatment equipment by waste water discharge port 412 again to handle, wastewater treatment equipment includes sewage network, can pass through sewage pipe Net is discharged into sewage treatment plant's processing.
Advantage:
Compared to waste vapour is directly handled, waste vapour first passes through closed condensation process in condenser and cooling tower 42, will be bulky Waste vapour become liquid waste water, reduce intractability, reduce pollution sources.
D, water dregs of fat mixture separation of solid and liquid, obtains solid-state intermediate and liquid intermediate.
Material after d1, curing is fallen into mixture feed inlet 53 by discharge port 35.
D2, pass through equipment for separating liquid from solid 5, i.e. solid-liquid spin vibration sieve, solid-state intermediate and liquid are separated into by water dregs of fat mixture State intermediate.
Solid-state intermediate is the aqueous dregs of fat, and main component is animal protein.
Liquid intermediate is oil water mixture.Wherein, solid content is not higher than 20%.
Advantage:
Very easily water dregs of fat mixture can be separated by solid-liquid spin vibration sieve, it is more easy to operate than traditional strainer filtering Efficiently.
E, solid-state intermediate caches, in addition liquid intermediate caches.
E1, solid-state intermediate fall into the second conveying arrangement 22 by solid-state intermediate discharge port 52, i.e. chain plate conveyor belt On, solid-state intermediate is sent into solid-state intermediate buffer storage 62 by the second conveying arrangement 22.
Advantage:
Because solid-state intermediate content is below 5%, thus can be sent into solid-state intermediate buffer storage 62 save bit by bit after it is unified dry It is dry, it is time saving and energy saving, heating energy consumption can be saved;Furthermore, it is possible to avoid solid-state intermediate from taking heating unit 3, heating unit 3 circulates Use.
E2, liquid intermediate are fallen into liquid intermediate buffer storage 61 by liquid intermediate discharge port 51.
Advantage:
Because 7 production capacity of liquid-liquid-solid centrifugal separating device is constant, and material enters when in liquid-liquid-solid centrifugal separating device 7 that pressure cannot It is excessive, cached by caching system 6, can also both avoid material to take heating unit 3 to avoid drawbacks described above, it is convenient follow-up Processing refining.
F, liquid intermediate liquid-liquid-solid centrifuges, and obtains waste water, product oil, residue.
F1, liquid intermediate are sent into liquid-liquid-solid centrifugal separating device 7 by the 3rd conveying arrangement 23, i.e. oil pump.
F2, liquid-liquid-solid centrifugal separating device 7, i.e. tubular type centrifugal separator are moved oil, water, very small amount by high speed centrifugation Slag separate, obtain waste water, product oil, residue.
Product oil water content is less than 0.5%.
Advantage:
1st, compared with conventional dead sedimentation separation, separating rate is fast, saves the plenty of time.
2nd, separation is thorough, and oil quality is high, the water content in grease can be down to less than 0.5% rapidly by high-speed separation, Meet feedstuff oil requirement.Avoid because Climatic Effects, water oil separate situations such as being not thorough.
3rd, more traditional to dry separating and dehydrating with heat source, energy consumption is low, can be significantly cost-effective.
4th, the centrifugal separator for being 600-1200r/min compared to traditional general rotating speed, liquid-liquid-solid centrifugal separating device 7 can Jiang Shui, oil separation, separation are rapid thorough.
G, wastewater treatment.
Waste water is sent into pollutant disposal system 4 by pipeline, using pump or gravity, specifically, waste water is sent into sewage Pipe network, is then fed into sewage treatment plant's processing.
H, product oil is packed.
By the 4th conveying arrangement 24, that is, conveying oil pump will store in product transportation to product oil holding vessel.
I, circulation step A-H, send the residue of the gained of liquid-liquid-solid centrifugal separating device in n-th circulation step F 7 into the In n+1 circulation step D in equipment for separating liquid from solid 5.
For example, the residue of the gained of step F liquid-liquid-solids centrifugal separating device 7 in the 1st circulation is sent into the 2nd circulation In the equipment for separating liquid from solid 5 of step D.
Advantage:
Wastage of material rate can be reduced, improves product pick-up rate.
J, solid-state intermediate is dried in vacuo, and obtains albumen powder.
Circulation step A-I, the saved bit by bit solid-state intermediate of multiple circulation is dried in vacuo, obtains accessory substance albumen powder.
Specifically, circulation step A-I, after solid-state intermediate buffer storage 62 is bought securities with all one's capital and after 3 hole capital after selling all securities of heating unit, leads to Cross conveying arrangement solid-state intermediate is sent into heating unit 3, after filling up reaction chamber 31, close feed inlet 34, discharge port 35, beat Gas port 36 is outputed, vacuum plant 8 is opened, after negative pressure is pumped into condenser 41 and reaction chamber 31, high temperature is passed through into interlayer 32 Steam, the pressure 0.35-0.5 megapascal of high-temperature steam, 120-170 degrees Celsius of temperature, moisture in solid-state intermediate is dried out.
Vapor is cooled to waste water by gas outlet 36 into condenser 41, is then discharged into sewage disposal by sewage network Factory.
Since circulation gained solid-state intermediate is less every time, general 1000 tons of raw materials can obtain 30 kilograms, therefore can be all After the completion of raw material refining, solid-state intermediate is focused on.
Advantage:
1st, energy consumption is reduced.The principle reduced using the boiling point of the water under negative pressure state, negative pressure state is pumped into by reaction chamber 31, is accelerated Moisture evaporation.
2nd, waste vapour in drying process is avoided to pollute environment.Whole drying process carries out waste vapour in closed system and is not connect with the external world Touch.Waste vapour is condensed into waste water in condenser 41, is discharged into sewage network.
K, albumen powder is packed.
Albumen powder is sent into albumen powder packing device 9 by the 5th conveying arrangement 25, i.e. bucket elevator, passes through albumen powder Packing device 9 measures, cake of press, storage, cake of press volume is about 10cm, 20cm, 30cm.
The installation method of animal fat refining equipment, comprises the following steps:
First, place is prepared;
2nd, breaker installation pond and cache pool are built, breaker installation pond and cache pool are respectively lower than ground, in broken dress Put in installation pond and breaker 1 is installed, liquid intermediate buffer storage 61 is installed in cache pool;
Breaker installation pond is less than ground, directly topples over raw material easy to have enough to meet the need vehicle, and obtain raw material after crushing to concentrate place Reason;Cache pool is less than plane, easy to the installation of the grade miscellaneous part of heating unit 3.
3rd, breaker installation pond and cache pool installation heating unit 3 are coordinated;
4th, coordinate heating unit 3 that pollutant disposal system 4 and equipment for separating liquid from solid 5 are installed respectively, then coordinate pollutant process System 4 installs vacuum plant 8;
5th, coordinate liquid intermediate buffer storage 61 that solid-state intermediate buffer storage 62 and liquid-liquid-solid centrifugation dress are installed respectively Put 7;
6th, coordinate solid-state intermediate buffer storage 62 that albumen powder packing device 9 is installed;
7th, installation and transportation system 2.
Coordinate breaker 1 and heating unit 3 that first conveying arrangement 21 is installed, coordinate heating unit 3 and solid-state intermediate Buffer storage 62 installs the second conveying arrangement 22, coordinates liquid intermediate buffer storage 61 and liquid-liquid-solid centrifugal separating device 7 to pacify Fill the 3rd conveying arrangement 23, coordinate liquid-liquid-solid centrifugal separating device 7 that the 4th conveying arrangement 24 is installed, coordinate solid-state intermediate caching Device 62 and albumen powder packing device 9 install the 5th conveying arrangement 25.

Claims (10)

1. animal fat refining process, it is characterised in that comprise the following steps:
A, raw material crushes;
Breaker crushes raw material, obtains little particle intermediate;
B, little particle intermediate airtight heating;
Little particle intermediate is transported to heating unit, heating unit airtight heating little particle intermediate, heat source it is not direct with it is small Particle intermediate contacts, 120-170 degrees Celsius of heat source temperature, is heated to the curing of little particle intermediate, obtains water dregs of fat mixture;
C, waste vapour is handled;
After the completion of step B, the waste vapour produced in heating unit is sent into pollutant disposal system processing;
D, water dregs of fat mixture separation of solid and liquid;
Water dregs of fat mixture is sent into separation in equipment for separating liquid from solid, obtains solid-state intermediate and liquid intermediate;
E, solid-state intermediate caches, in addition liquid intermediate caches;
F, liquid intermediate liquid-liquid-solid centrifuges;
Liquid intermediate is transported to separating in liquid-liquid-solid centrifugal separating device, obtains waste water, product oil, residue;
G, wastewater treatment;
Waste water is sent into pollutant disposal system processing;
H, product oil is packed.
2. as the animal fat refining process described in claim 1, it is characterised in that further include step I:
Circulation step A-H, the residue obtained by liquid-liquid-solid centrifugal separating device in n-th circulation step F is sent into (n+1)th time and is followed In ring step D in equipment for separating liquid from solid.
3. as the animal fat refining process described in claim 1, it is characterised in that further comprising the steps of:
J, solid-state intermediate is dried in vacuo, and obtains albumen powder;
Circulation step A-I, the saved bit by bit solid-state intermediate of multiple circulation is transported to heating unit, vacuum plant is opened, makes Heating unit negative pressure heats, and albumen powder is obtained after the drying of solid-state intermediate;
K, albumen powder is packed;
Albumen powder is transported to cake treatment apparatus, packaging.
4. as the animal fat refining process described in claim 1, it is characterised in that:Little particle intermediate is filled by the first transport Transport is put to heating unit, the first conveying arrangement is metal mesh belt conveyer.
5. as the animal fat refining process described in claim 1, it is characterised in that:Step B heating stirs water oil residue mixing at the same time Compound, pollutant disposal system include condensing unit, and the waste vapour that step B is produced first passes through condensing unit condensation.
6. as the animal fat refining process described in claim 3, it is characterised in that:Step J heating is stirred among solid-state at the same time Thing, pollutant disposal system include condensing unit, and the waste vapour that step J is produced first passes through condensing unit and is condensed into waste water.
7. as the animal fat refining process described in claim 1, it is characterised in that:The heat source of heating unit is high-temperature steam.
8. as the animal fat refining process described in claim 1, it is characterised in that:Equipment for separating liquid from solid used in step D For solid-liquid spin vibration sieve.
9. as the animal fat refining process described in claim 1, it is characterised in that:Liquid-liquid-solid centrifugation point used in step F It is tubular type centrifugal separator or butterfly centrifugal seperator from device.
10. as the animal fat refining process described in claim 1, it is characterised in that:It is precious that raw material includes animal leaf fat, animal The miscellaneous oil of oil, animal, animal subcutaneous fat one or more of which, raw material is fresh goods and/or frozen goods.
CN201711285522.0A 2017-12-07 2017-12-07 Animal fat refining process Pending CN108018115A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109207254A (en) * 2018-08-15 2019-01-15 廖光益 A kind of giving off a strong fragrance animal fat automation process for cleanly preparing of high-efficiency environment friendly
CN110029020A (en) * 2019-04-12 2019-07-19 郑州远洋油脂工程技术有限公司 A kind of continuous fat melting of animal oil, dewatering process

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