CN108144325B - Stirring extraction tank, animal byproduct separation and extraction device and method - Google Patents
Stirring extraction tank, animal byproduct separation and extraction device and method Download PDFInfo
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- CN108144325B CN108144325B CN201810115924.4A CN201810115924A CN108144325B CN 108144325 B CN108144325 B CN 108144325B CN 201810115924 A CN201810115924 A CN 201810115924A CN 108144325 B CN108144325 B CN 108144325B
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- 238000000605 extraction Methods 0.000 title claims abstract description 198
- 238000003756 stirring Methods 0.000 title claims abstract description 196
- 241001465754 Metazoa Species 0.000 title claims abstract description 66
- 238000000926 separation method Methods 0.000 title claims abstract description 18
- 239000006227 byproduct Substances 0.000 title claims description 70
- 238000000034 method Methods 0.000 title claims description 28
- 239000002904 solvent Substances 0.000 claims abstract description 455
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 239000002826 coolant Substances 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 29
- 239000000284 extract Substances 0.000 claims description 28
- 238000001704 evaporation Methods 0.000 claims description 18
- 238000007599 discharging Methods 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 10
- 239000003507 refrigerant Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 238000009833 condensation Methods 0.000 claims description 7
- 230000005494 condensation Effects 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract description 5
- 239000004615 ingredient Substances 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 abstract 1
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 74
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 72
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 68
- 239000003208 petroleum Substances 0.000 description 36
- 239000002131 composite material Substances 0.000 description 8
- 230000008020 evaporation Effects 0.000 description 8
- 150000003904 phospholipids Chemical class 0.000 description 8
- 238000001914 filtration Methods 0.000 description 6
- 238000011049 filling Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005086 pumping Methods 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/02—Solvent extraction of solids
- B01D11/0215—Solid material in other stationary receptacles
- B01D11/0253—Fluidised bed of solid materials
- B01D11/0257—Fluidised bed of solid materials using mixing mechanisms, e.g. stirrers, jets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/45—Magnetic mixers; Mixers with magnetically driven stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/70—Mixers specially adapted for working at sub- or super-atmospheric pressure, e.g. combined with de-foaming
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/81—Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles
- B01F33/811—Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles in two or more consecutive, i.e. successive, mixing receptacles or being consecutively arranged
Abstract
The invention relates to the technical field of animal and plant beneficial ingredient extraction, in particular to an animal and plant beneficial ingredient separation and extraction method, wherein a stirring extraction tank mainly comprises a tank body and a tank cover, a sealed space is formed between the tank body and the tank cover, a solvent inlet, a solvent outlet and a vacuum breaking port are arranged on the extraction tank, the solvent inlet is communicated with at least one solvent storage tank through a multi-way valve, and the solvent outlet is communicated with at least one vacuum concentration tank through the multi-way valve; at least one filter is arranged in the tank body; the stirrer and the concentration detector are arranged at the bottom of the tank body; the outside of the tank body is provided with a jacket structure capable of circulating heating medium or cooling medium. The invention can avoid the material blocking the filter screen, reduce the leakage and volatilization of the solvent and reduce the contact pollution among different solvents.
Description
Technical Field
The invention relates to the technical field of extraction of beneficial components of animals and plants, in particular to a separation and extraction method of animal byproducts.
Background
Animal by-products refer to parts of bones, viscera, fat, marrow, etc. of poultry, livestock, aquatic products that are not consumed by humans, which, although by-products, contain a large amount of beneficial ingredients, and tens of millions of tons of by-products are utilized comprehensively each year, wherein separation and extraction using solvents is a common method.
The current extraction apparatus and method have the following problems:
1. the extraction and filtration are separated, the filtration method is usually gravity filtration, and the particle-crushed extract tries to block the filter, so that the filtration time is long, the filtration is insufficient, and the solvent residue is more;
2. the different solvent extraction processes are carried out in different extraction tanks, and the residue from the previous process needs to be transferred from time to the next extraction tank. The extracting tank cover is frequently opened, so that the working hours are wasted, and the solvent is volatilized.
3. The solvent used in the next procedure is polluted by more solvent remained in the previous procedure.
Therefore, how to avoid the blockage of the filter screen, how to reduce the leakage and volatilization of the solvent and reduce the contact pollution among different solvents becomes a technical problem to be solved by the technicians in the field.
Disclosure of Invention
The invention aims to provide a method for separating and extracting animal byproducts.
In order to achieve the above object, the present invention provides a method for separating and extracting animal by-products, which uses an animal by-product separating and extracting apparatus comprising one or more solvent storage tanks, one or more vacuum concentration tanks, one or more condensers, one or more solvent temporary storage tanks and a stirring extraction tank; the solvent inlet of the stirring extraction tank is communicated with the solvent storage tank through a solvent supply pipeline, the solvent outlet is communicated with the vacuum concentration tank through a solvent discharge pipeline, the vapor outlet of the vacuum concentration tank is communicated with the inlet of the condenser, the solvent temporary storage tank is arranged between the condenser and the solvent storage tank, and the outlet of the condenser is communicated with the inlet of the solvent temporary storage tank; the outlet of the solvent temporary storage tank is communicated with the solvent storage tank; the solvent temporary storage tank is internally provided with a refrigerant coil, a liquid level meter and a vacuum port, when the solvent in the solvent temporary storage tank is higher than a preset height, the vacuum port on the solvent temporary storage tank is closed, a valve between the solvent temporary storage tank and the solvent storage tank is opened, and the solvent is discharged;
The stirring extraction tank comprises a tank body and a tank cover, a sealed space is formed between the tank body and the tank cover, the extraction tank is provided with a solvent inlet, a solvent outlet and a vacuum breaking port, the solvent inlet is communicated with each solvent storage tank through a multi-way valve, the solvent outlet is communicated with each vacuum concentration tank through the multi-way valve, at least one filter is arranged in the tank body, a stirrer and a concentration detector are arranged at the bottom position in the tank body, and a jacket structure capable of circulating heating medium or cooling medium is arranged outside the tank body;
the animal byproduct separation and extraction method comprises the following steps:
step 1), adding animal byproducts into a filter in a stirring extraction tank, and adding a first solvent in a first solvent storage tank into the stirring extraction tank through a first solvent supply pipeline and a solvent inlet multi-way valve;
step 2), starting a stirrer to stir the first solvent;
step 3), stopping stirring when the concentration of the first solvent reaches a preset value after the first extract is separated from animal byproducts and is fused into the first solvent;
step 4), discharging the solvent in the stirring extraction tank into a first vacuum concentration tank through a solvent outlet multi-way valve and a first solvent discharge pipeline, and keeping the stirring extraction tank communicated with the first vacuum concentration tank;
Step 5), vacuumizing the stirring extraction tank, the first vacuum concentration tank, the first condenser and the first solvent temporary storage tank to a first vacuum degree value through a vacuum port on the first solvent temporary storage tank, so that a first heating temperature is kept in the stirring extraction tank and the first vacuum concentration tank, and a first cooling temperature is kept in the first condenser;
step 6), the first solvent in the stirring extraction tank and the first vacuum concentration tank starts to evaporate, the evaporated gas flows into the first solvent temporary storage tank after entering the first condenser for condensation, and the solvent in the first solvent temporary storage tank is discharged into the first solvent storage tank when the solvent liquid level in the first solvent temporary storage tank reaches a preset position;
step 7), only the residual first solvent is discharged from the stirring extraction tank, and when the residual first solvent is evaporated before the first vacuum concentration tank, the communication between the stirring extraction tank and the first vacuum concentration tank is disconnected; the first solvent in the first vacuum concentration tank is continuously evaporated;
step 8), opening a vacuum breaking port of the stirring extraction tank, recovering normal pressure, opening a tank cover, and taking out residues in the filter bag;
Step 9), obtaining a first extract after the first solvent in the first vacuum concentration tank is evaporated;
steps 10) to 17) are also included between step 7) and step 8),
step 10), adding a second solvent in a second solvent storage tank into the stirring extraction tank through a second solvent supply pipeline and a solvent inlet multi-way valve;
step 11), starting a stirrer to stir the second solvent;
step 12), stopping stirring when the concentration of the second solvent reaches a preset value after the second extract is separated from animal byproducts and is fused into the second solvent;
step 13), discharging the solvent in the stirring extraction tank into a second vacuum concentration tank through a solvent outlet multi-way valve and a second solvent discharge pipeline, and keeping the stirring extraction tank communicated with the second vacuum concentration tank;
step 14), vacuumizing the stirring extraction tank, the second vacuum concentration tank, the second condenser and the second solvent temporary storage tank to a second vacuum degree value through a vacuum port on the second solvent temporary storage tank, so that the stirring extraction tank and the second vacuum concentration tank keep a second heating temperature, and the second condenser keeps a second cooling temperature;
Step 15), the second solvent in the stirring extraction tank and the second vacuum concentration tank starts to evaporate, the evaporated gas flows into the second solvent temporary storage tank after entering the second condenser for condensation, and the solvent in the second solvent temporary storage tank is discharged into the second solvent storage tank when the solvent liquid level in the second solvent temporary storage tank reaches a preset position;
step 16), only the residual second solvent is discharged from the stirring extraction tank, and when the second solvent is evaporated before the second vacuum concentration tank, the communication between the stirring extraction tank and the second vacuum concentration tank is disconnected; the second solvent in the second vacuum concentration tank is continuously evaporated;
step 17), evaporating the second solvent in the second vacuum concentration tank to obtain a second extract.
Preferably, steps 18) to 25) are further included between the steps 16) and 17),
step 18), adding a third solvent in a third solvent storage tank into the stirring extraction tank through a third solvent supply pipeline and a solvent inlet multi-way valve;
step 19), starting a stirrer to stir the third solvent;
step 20), stopping stirring when the concentration of the third solvent reaches a preset value after the third extract is separated from animal byproducts and is blended into the third solvent;
Step 21), discharging the solvent in the stirring extraction tank into a third vacuum concentration tank through a solvent outlet multi-way valve and a third solvent discharge pipeline, and keeping the stirring extraction tank communicated with the third vacuum concentration tank;
step 22), vacuumizing the stirring extraction tank, the third vacuum concentration tank, the third condenser and the third solvent temporary storage tank to a third vacuum degree value through a vacuum port on the third solvent temporary storage tank, so that a third heating temperature is kept in the stirring extraction tank and the third vacuum concentration tank, and a third cooling temperature is kept in the third condenser;
step 23), the third solvent in the stirring extraction tank and the second vacuum concentration tank starts to evaporate, the evaporated gas enters the third condenser to be condensed, and flows into the third solvent temporary storage tank, and when the solvent liquid level in the third solvent temporary storage tank reaches a preset position, the solvent in the third solvent temporary storage tank is discharged into the third solvent storage tank;
step 24), only discharging the residual third solvent in the stirring extraction tank, and disconnecting the communication between the stirring extraction tank and the third vacuum concentration tank after the third solvent is evaporated before the third vacuum concentration tank; evaporating the third solvent in the third vacuum concentration tank continuously;
Step 25), evaporating the third solvent in the third vacuum concentration tank to obtain a third extract.
Preferably, the heights of the condenser, the solvent temporary storage tank and the solvent storage tank are sequentially reduced; the position height of the stirring extraction tank is higher than that of the vacuum concentration tank, and the solvent discharge pipeline is connected with the vacuum concentration tank at a gradually descending inclination angle.
Preferably, the stirrer is a magnetic stirrer, the filter is a filter bag, a filter bag protection basket is arranged on the outer side of the filter bag, a sealing element and a locking device are arranged between the tank cover and the tank body, a medium inlet and a medium outlet are arranged on the jacket structure, and at least 2 sight glass which is different in height and can be used for observing the inside of the tank body are arranged on the tank body.
Preferably, the solvent inlet is provided with a solvent inlet multi-way valve, the outlet of the solvent inlet multi-way valve is communicated with the solvent inlet, more than one solvent storage tanks are connected through different solvent supply pipelines, and the number of the inlets of the solvent inlet multi-way valve is more than one; the solvent outlet is provided with a solvent outlet multi-way valve, the inlet of the solvent outlet multi-way valve is communicated with the solvent outlet, more than one outlet of the solvent outlet multi-way valve is connected with more than one vacuum concentration tank through different solvent discharge pipelines.
Preferably, the vacuum concentration tank is a vacuum scraper concentration tank.
According to the scheme provided by the invention, different solvents are used as media to extract beneficial extracts in animal byproducts, after the beneficial extracts are extracted and filtered in the stirring extraction tank, the solvents in the stirring extraction tank are evaporated, other solvents can be added to extract other beneficial extracts from animal byproducts in residues in the stirring extraction tank, the extraction and the filtration are combined into one step and are completed in a closed environment, and various solvents are respectively circulated in different supply and recovery systems, so that the filter screen is prevented from being blocked by materials, the leakage and volatilization of the solvents are reduced, and the contact pollution among different solvents is reduced.
Drawings
FIG. 1 is a schematic diagram of a stirred tank extractor according to one embodiment of the present invention;
FIG. 2 is a schematic diagram of an apparatus for separating and extracting animal by-products according to an embodiment of the present invention;
wherein:
in fig. 1-2:
a stirring extraction tank 100, a tank body 101, a tank cover 102, a stirrer 103, a filter bag 104, a filter bag protection basket 105, a jacket 106, a solvent inlet 107, a solvent outlet 108, a vacuum breaking port 109, a sight glass 110, a sealing element 111 and a locking device 112;
A solvent storage tank 1, a solvent delivery pump 2, a solvent supply pipeline 3, a solvent discharge pipeline 4, a vacuum concentration tank 5, a condenser 6 and a solvent temporary storage tank 7.
Detailed Description
In order to make the technical scheme of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a stirring extraction tank according to an embodiment of the invention.
As shown in fig. 1, the stirring extraction tank 100 provided by the invention comprises a tank body 101, a tank cover 102 and a heating device, wherein a sealed space is formed between the tank body 101 and the tank cover 102, the tank body 101 is provided with a solvent inlet 107, a solvent outlet 108 and a vacuum breaking port 109, the solvent inlet 107 is used for being communicated with at least one solvent storage tank, and the solvent outlet 108 is used for being communicated with at least one vacuum concentration tank; the tank body 101 is internally provided with at least one filter, and the vacuum breaking port 109 is used for recovering the normal pressure in the tank before the tank cover is opened; the tank body 101 is internally provided with a stirrer 103 and a concentration detector at the bottom of the tank body 101.
According to the stirring extraction tank 100 provided by the invention, after the tank cover 102 is opened, animal byproducts are filled into the filter, after the tank cover 102 is covered, the solvent is added into the tank body 101 through the solvent inlet 107, beneficial components of the animal byproducts in the filter are dissolved in the solvent, and the stirrer 103 is started, so that the high-concentration solvent in the filter bag is continuously exchanged with the low-concentration solvent outside the filter bag due to the fact that the solvent continuously impacts the filter bag from outside to inside, and then the beneficial components are continuously dissolved. Due to the structure and the extraction principle of the extraction tank, even thick or powdery materials are not easy to block the filter screen.
In a preferred embodiment, the stirrer 103 is a magnetic stirrer. The magnetic stirrer is controlled by a frequency converter, the starting speed is gentle, and the speed is adjustable. Different solvents require different stirring speeds, which can be set for different solvents. The other point is that the magnetic stirrer has no physical penetrating relation with the tank body, and even if the magnetic stirrer is worn, the solvent cannot leak.
In a preferred scheme, the filter is a filter bag 104, a filter bag protection basket 105 is arranged on the outer side of the filter bag 104, and the filter bag protection basket 105 can control the swing displacement of the filter bag in the tank and prevent the filter bag 104 from being damaged due to false collision.
In a preferred embodiment, a plurality of filter bags 104 may be disposed in the tank 101, and a certain amount of animal by-products may be respectively contained in the plurality of filter bags 104, so as to prevent the individual filter bags 104 from bearing excessive weight, and simultaneously, the animal by-products may be fully contacted with the solvent, thereby improving the extraction efficiency.
In a preferred embodiment, filter bag 104 may be removably coupled to canister 101 to facilitate replacement of filter bag 104.
In a preferred embodiment, a sealing element 111 is disposed between the can cover 102 and the can body 101, the sealing element 111 may improve the sealing effect between the can cover 102 and the can body 101, and the sealing element 111 may use a sealing rubber ring.
In a preferred embodiment, the cover 102 is locked and sealed with the tank 101 by a locking device 112 after being fastened. In a specific scheme, the locking device 112 may be a quick-turning threaded locking device 112, and openings may be respectively formed in positions corresponding to the sides of the can cover 102 and the can body 101, and the locking pin with external threads is turned into the openings in sequence and rotates the nuts, so as to lock the can cover 102 and the can body 101.
In a preferred embodiment, the solvent outlet 108 is provided with a multi-way valve, an inlet of the multi-way valve is communicated with the solvent outlet 108, and outlets of the multi-way valve are connected with at least one vacuum concentration tank through different solvent discharge pipelines.
In a specific scheme, the multi-way valve is a four-way valve. The solvent outlet 108 may be in communication with three vacuum concentration tanks.
In a preferred embodiment, the solvent inlet 107 is provided with a multi-way valve, an outlet of the multi-way valve is communicated with the solvent inlet 107, and the inlets of the multi-way valve are connected with at least one solvent storage tank through different solvent supply pipelines.
In a specific scheme, the multi-way valve is a four-way valve. The solvent inlet 107 may be in communication with three solvent reservoirs.
In a preferred embodiment, the tank 101 is provided with at least 2 mirrors 110 for observing the inside of the tank 101. The number of mirrors 110 may be two, with the two mirrors 110 positioned below and in the middle of the filter bag 104, respectively. One for each stirrer and one for each liquid level.
In a preferred scheme, the heating device is a jacket 106 arranged at the outer side of the tank 101, the jacket 106 is provided with a medium inlet and a medium outlet, the jacket 106 is internally used for circulating a refrigerant medium or a heating medium, the heating medium is added into the jacket 106 to heat the stirring extraction tank 100, and the cooling and refrigerating of the stirring extraction tank 100 can be performed by adding the cooling medium into the jacket 106.
Referring to fig. 2, fig. 2 is a schematic structural diagram of an animal byproduct separation and extraction device according to an embodiment of the invention.
As shown in fig. 2, the present invention also provides an animal byproduct separating and extracting apparatus, which comprises at least one solvent storage tank 1, at least one vacuum concentration tank 5, at least one condenser 6, at least one solvent temporary storage tank 7 and the above stirring and extracting tank 100; the solvent inlet of the stirring extraction tank 100 is communicated with the solvent storage tank 1 through a solvent supply pipeline 3, the solvent outlet is communicated with the vacuum concentration tank 5 through a solvent discharge pipeline 4, the vapor outlet of the vacuum concentration tank 5 is communicated with the condenser 6, the liquid outlet of the condenser 6 is communicated with the inlet of the solvent temporary storage tank 7, and the outlet of the solvent temporary storage tank 7 is connected with the solvent storage tank 1.
According to the animal byproduct separating and extracting device provided by the invention, after the tank cover is opened, animal byproducts are filled into the filter, after the tank cover is covered, a solvent is added into the tank body through the solvent inlet, the stirrer is started, the animal byproducts in the filter are dissolved in the solvent, and the solvent outlet is opened, so that the solvent can be discharged into the vacuum concentration tank 5. The pipelines among the stirring extraction tank 100, the vacuum concentration tank 5, the condenser 6 and the solvent temporary storage tank 7 are kept smooth, vacuum is pumped through a vacuum port on the solvent temporary storage tank 7, and the solvent in the vacuum concentration tank 5 and the residual solvent in the stirring extraction tank 100 are gradually evaporated and are temporarily stored in the solvent temporary storage tank 7 after being condensed into liquid by the condenser.
In a preferred embodiment, the solvent supply pipe 3 is provided with a solvent delivery pump 2, and the solvent delivery pump 2 is used for pumping the liquid solvent in the solvent storage tank 1 into the stirring extraction tank 100.
In the preferred scheme, the solvent temporary storage tank 7 is internally provided with a refrigerant coil pipe, the refrigerant coil pipe can be communicated with a refrigerant pipeline, and the refrigerant pipeline provides refrigerant for the refrigerant coil pipe so as to keep the temperature of the temporarily stored condensed liquid entering the solvent temporary storage tank 7, prevent the condensed liquid from evaporating again and from losing through a vacuum port.
In the preferred scheme, be equipped with the level gauge in the solvent temporary storage tank 7, when solvent in the solvent temporary storage tank 7 is higher than the preset height, remind the operator to discharge the solvent to solvent storage tank 1.
In a preferred embodiment, the heights of the condenser 6, the solvent temporary storage tank 7 and the solvent storage tank 1 are sequentially reduced, so that the liquid solvent in the condenser and the solvent temporary storage tank 7 can smoothly flow into the solvent storage tank 1 under the action of self gravity.
In a preferred embodiment, the height of the stirring and extracting tank 100 is higher than that of the vacuum concentration tank 5, so that the solvent in the stirring and extracting tank 100 can smoothly flow into the vacuum concentration tank 5 under the action of gravity.
In a preferred embodiment, the solvent discharge line 4 is connected to the inlet of the vacuum concentration tank 5 at a gradually decreasing inclination to ensure less solvent remains in the line.
In a specific scheme, the vacuum concentration tank 5 is a vacuum scraper concentration tank, and the hanging plate can prevent the extracted beneficial components from being adhered to the wall of the vacuum concentration tank.
The invention also provides a method for separating and extracting animal byproducts, which adopts the animal byproduct separating and extracting device to extract beneficial extracts from animal byproducts.
It should be noted that the method for separating and extracting animal by-products provided by the invention can extract beneficial extracts from animal by-products by using one solvent, and can extract different extracts from animal by-products by using two, three or more solvents sequentially.
The following examples are presented in terms of one solvent, two solvents and three solvents, respectively, from extract from animal by-products added at one time.
Example 1
The animal byproduct separation and extraction method provided by the invention utilizes the animal byproduct separation and extraction device, and comprises the following steps:
step 101, adding animal byproducts into a filter in a stirring extraction tank, and adding a first solvent in a first solvent storage tank into the stirring extraction tank;
102, starting a stirrer to stir the first solvent;
step 103, stopping stirring when the concentration of the first solvent reaches a preset value after the first extract is separated from animal byproducts and is fused into the first solvent;
104, discharging the solvent in the stirring extraction tank into a first vacuum concentration tank through a solvent outlet, and keeping the stirring extraction tank communicated with the first vacuum concentration tank;
Step 105, vacuumizing the stirring extraction tank, the first vacuum concentration tank, the first condenser and the first solvent temporary storage tank to a first vacuum degree value, so that a first heating temperature is kept in the stirring extraction tank and the first vacuum concentration tank, and a first cooling temperature is kept in the first condenser;
step 106, the first solvent in the stirring extraction tank and the first vacuum concentration tank starts to evaporate, and the evaporated gas flows into the first solvent temporary storage tank after entering the first condenser for condensation and then is discharged into the first solvent storage tank;
step 107, after the first solvent in the stirring extraction tank is evaporated, disconnecting the stirring extraction tank from the first vacuum concentration tank; and continuing to evaporate the first solvent in the first vacuum concentration tank until the first solvent in the first vacuum concentration tank is evaporated.
Step 108, opening the cover of the stirring extraction tank, and taking out residues in the filter bag.
In a preferred embodiment, the step 106) may specifically be: the stirring extraction tank and the first solvent in the first vacuum concentration tank begin to evaporate, the evaporated gas enters the first condenser to be condensed, and then flows into the first solvent temporary storage tank, after the liquid in the first solvent temporary storage tank reaches a preset liquid level, a vacuumizing port on the first solvent temporary storage tank is closed, a valve between the first solvent temporary storage tank and the first solvent storage tank is opened, and the liquid in the first solvent temporary storage tank is discharged and placed in the first solvent storage tank.
Example two
The animal byproduct separation and extraction method provided by the invention utilizes the animal byproduct separation and extraction device, and comprises the following steps:
step 201, adding animal byproducts into a filter in a stirring extraction tank, and adding a first solvent in a first solvent storage tank into the stirring extraction tank;
step 202, starting a stirrer to stir the first solvent;
step 203, stopping stirring when the concentration of the first solvent reaches a preset value after the first extract is separated from animal byproducts and is blended into the first solvent;
step 204, discharging the solvent in the stirring extraction tank into a first vacuum concentration tank through a solvent outlet, and keeping the stirring extraction tank communicated with the first vacuum concentration tank;
step 205, vacuumizing the stirring extraction tank, the first vacuum concentration tank, the first condenser and the first solvent temporary storage tank to a first vacuum degree value, so that a first heating temperature is kept in the stirring extraction tank and the first vacuum concentration tank, and a first cooling temperature is kept in the first condenser;
step 206, the first solvent in the stirring extraction tank and the first vacuum concentration tank begins to evaporate, and the evaporated gas flows into the first solvent temporary storage tank after entering the first condenser for condensation and then is discharged into the first solvent storage tank;
Step 207, after the first solvent in the stirring extraction tank is evaporated, disconnecting the stirring extraction tank from the first vacuum concentration tank; and continuing to evaporate the first solvent in the first vacuum concentration tank until the first solvent in the first vacuum concentration tank is evaporated.
Step 208, adding a second solvent in a second solvent storage tank into the stirring extraction tank;
step 209, turning on a stirrer to stir the second solvent;
step 210, stopping stirring when the concentration of the second solvent reaches a preset value after the second extract is separated from animal byproducts and is blended into the second solvent;
step 211, discharging the second solvent in the stirring extraction tank into a second vacuum concentration tank through a solvent outlet, and keeping the stirring extraction tank communicated with the second vacuum concentration tank;
step 212, vacuumizing the stirring extraction tank, the second vacuum concentration tank, the second condenser and the second solvent temporary storage tank to a second vacuum degree value, so that the stirring extraction tank and the second vacuum concentration tank keep a second heating temperature, and the second condenser keeps a second cooling temperature;
Step 213, the second solvent in the stirring extraction tank and the second vacuum concentration tank begins to evaporate, and the evaporated gas enters the second condenser to be condensed, flows into the second solvent temporary storage tank, and is then discharged into the second solvent storage tank;
step 214, after the evaporation of the second solvent in the stirring extraction tank is completed, disconnecting the communication between the stirring extraction tank and the second vacuum concentration tank; and continuing to evaporate the second solvent in the second vacuum concentration tank until the second solvent in the second vacuum concentration tank is evaporated.
Step 215, opening the cover of the stirring extraction tank, and taking out residues in the filter bag.
In a preferred embodiment, the step 213) may specifically be: the stirring extraction tank and the second solvent in the second vacuum concentration tank begin to evaporate, the evaporated gas enters the second condenser to be condensed, and then flows into the second solvent temporary storage tank, after the liquid in the second solvent temporary storage tank reaches a preset liquid level, a vacuumizing port on the second solvent temporary storage tank is closed, a valve between the second solvent temporary storage tank and the second solvent storage tank is opened, and the liquid in the second solvent temporary storage tank is discharged and placed in the second solvent storage tank.
Example III
The animal byproduct separation and extraction method provided by the invention utilizes the animal byproduct separation and extraction device, and comprises the following steps:
step 301, adding animal byproducts into a filter in a stirring extraction tank, and adding a first solvent in a first solvent storage tank into the stirring extraction tank;
step 302, starting a stirrer to stir the first solvent;
step 303, stopping stirring when the concentration of the first solvent reaches a preset value after the first extract is separated from animal byproducts and is blended into the first solvent;
step 304, discharging the solvent in the stirring extraction tank into a first vacuum concentration tank through a solvent outlet, and keeping the stirring extraction tank communicated with the first vacuum concentration tank;
step 305, vacuumizing the stirring extraction tank, the first vacuum concentration tank, the first condenser and the first solvent temporary storage tank to a first vacuum degree value, so that a first heating temperature is kept in the stirring extraction tank and the first vacuum concentration tank, and a first cooling temperature is kept in the first condenser;
step 306, the first solvent in the stirring extraction tank and the first vacuum concentration tank starts to evaporate, and the evaporated gas flows into the first solvent temporary storage tank after entering the first condenser for condensation and then is discharged into the first solvent storage tank;
Step 307, after the first solvent in the stirring extraction tank is evaporated, disconnecting the stirring extraction tank from the first vacuum concentration tank; and continuing to evaporate the first solvent in the first vacuum concentration tank until the first solvent in the first vacuum concentration tank is evaporated.
Step 308, adding a second solvent in a second solvent storage tank into the stirring extraction tank;
step 309, turning on a stirrer to stir the second solvent;
step 310, stopping stirring when the concentration of the second solvent reaches a preset value after the second extract is separated from animal byproducts and is blended into the second solvent;
step 311, discharging the second solvent in the stirring extraction tank into a second vacuum concentration tank through a solvent outlet, and keeping the stirring extraction tank communicated with the second vacuum concentration tank;
step 312, vacuumizing the stirring extraction tank, the second vacuum concentration tank, the second condenser and the second solvent temporary storage tank to a second vacuum degree value, so that a second heating temperature is kept in the stirring extraction tank and the second vacuum concentration tank, and a second cooling temperature is kept in the second condenser;
Step 313, the second solvent in the stirring extraction tank and the second vacuum concentration tank begins to evaporate, and the evaporated gas enters the second condenser to be condensed, flows into the second solvent temporary storage tank and then is discharged into the second solvent storage tank;
step 314, after the second solvent in the stirring extraction tank is evaporated, disconnecting the stirring extraction tank from the second vacuum concentration tank; and continuing to evaporate the second solvent in the second vacuum concentration tank until the second solvent in the second vacuum concentration tank is evaporated.
Step 315, adding a third solvent in a third solvent storage tank into the stirring extraction tank;
step 309, turning on a stirrer to stir the third solvent;
step 310, stopping stirring when the concentration of the third solvent reaches a preset value after the third extract is separated from animal byproducts and is blended into the third solvent;
step 311, discharging the third solvent in the stirring extraction tank into a third vacuum concentration tank through a solvent outlet, and keeping the stirring extraction tank communicated with the third vacuum concentration tank;
step 312, vacuumizing the stirring extraction tank, the third vacuum concentration tank, the third condenser and the third solvent temporary storage tank to a third vacuum degree value, so that a third heating temperature is kept in the stirring extraction tank and the third vacuum concentration tank, and a third cooling temperature is kept in the third condenser;
Step 313, the third solvent in the stirring extraction tank and the third vacuum concentration tank begins to evaporate, and the evaporated gas enters the third condenser to be condensed, flows into the third solvent temporary storage tank and then is discharged into the third solvent storage tank;
step 314, after the evaporation of the third solvent in the stirring extraction tank is completed, disconnecting the communication between the stirring extraction tank and the third vacuum concentration tank; evaporating the third solvent in the third vacuum concentration tank until the third solvent in the third vacuum concentration tank is evaporated;
step 315, opening the lid of the agitation extraction tank, and taking out the residue in the filter bag.
In a preferred embodiment, the step 313) may specifically be: the stirring extraction tank and the third solvent in the third vacuum concentration tank begin to evaporate, the evaporated gas enters the third condenser to be condensed, and then flows into the third solvent temporary storage tank, after the liquid in the third solvent temporary storage tank reaches a preset liquid level, a vacuumizing port on the third solvent temporary storage tank is closed, a valve between the third solvent temporary storage tank and the third solvent storage tank is opened, and the liquid in the third solvent temporary storage tank is discharged and placed in the third solvent storage tank.
Step 316, opening the lid of the stirred extraction tank and removing the residue from the filter bag.
The following examples illustrate the method for separating and extracting animal by-products provided by the invention by extracting composite phospholipids from animal by-products using acetone, petroleum ether and ethanol as solvents, respectively.
Opening a tank cover of the stirring extraction tank, adding animal byproducts (hereinafter referred to as "byproduct raw materials") into a filter bag, closing the tank cover and locking, opening an acetone feed valve at the upper part of the extraction tank, pumping acetone solvent into the stirring extraction tank through an acetone solvent pump and an acetone feed pipeline, stopping the acetone solvent pump after filling corresponding positions of the byproduct raw materials, and closing the acetone feed valve at the upper part of the extraction tank.
The magnetic stirrer at the lower part of the stirring extraction tank is started, and the grease can be separated from the byproduct raw material and is dissolved in the acetone solvent along with the increase of stirring time. After the concentration of the solvent reaches a certain value, stirring is stopped. The acetone discharging valve at the lower part of the stirring extraction tank is opened, and the mixture of acetone and grease is put into the acetone vacuum concentration tank through the acetone solvent discharge pipeline (this step is repeated for several times as needed).
Starting a corresponding refrigerating system, a vacuum system and a hot water system to enable the stirring extraction tank, the acetone solvent discharge pipeline, the acetone vacuum concentration tank, the acetone condenser and the acetone solvent temporary storage tank to be in a vacuum state, wherein the vacuum degree is about 10000 Pa; the temperature in the acetone vacuum concentration tank and the stirring extraction tank is about 90 ℃; so that the temperature of the acetone condenser is about-10 ℃.
With the increase of time, the acetone in the acetone vacuum concentration tank and the residual acetone in the stirring extraction tank can be seen to start to evaporate through the sight glass, the acetone flows into the acetone solvent temporary storage tank after being condensed in the acetone condenser, and the acetone solvent is discharged into the acetone solvent storage tank through the switching of the valve after reaching a certain liquid level.
The acetone reserved in the stirring extraction tank is evaporated before the acetone in the acetone vacuum concentration tank is evaporated, so that the acetone discharge valve at the lower end of the stirring extraction tank can be closed after the acetone reserved in the stirring extraction tank is evaporated, and the next process is started. The acetone evaporation process of the acetone vacuum concentration tank is still performed.
And (3) opening a petroleum ether liquid inlet valve on the stirring extraction tank, starting a petroleum ether solvent pump, filling petroleum ether into the stirring extraction tank through the petroleum ether solvent pump and a petroleum ether supply pipeline, stopping the pump after filling the petroleum ether into the corresponding position of the material, and closing a petroleum ether feed valve.
And (3) starting a magnetic stirrer at the lower part of the stirring extraction tank, and finding that part of composite phospholipids are separated from the residual byproduct raw materials in the previous process and are blended into the petroleum ether solvent along with the increase of stirring time. After the concentration of the solvent reaches a certain value, stirring is stopped. The petroleum ether discharge valve at the lower part of the stirring extraction tank is opened, and the mixture of petroleum ether and composite phospholipid is put into a petroleum ether vacuum concentration tank through a petroleum ether solvent discharge pipeline (this step is repeated for several times as required).
And (3) starting a corresponding refrigerating system, a vacuum system and a hot water system to enable the stirring extraction tank, the petroleum ether solvent discharge pipeline, the petroleum ether vacuum concentration tank, the petroleum ether condenser and the petroleum ether solvent temporary storage tank to be in a vacuum state, wherein the vacuum degree is about 20000 Pa, the temperature in the petroleum ether vacuum concentration tank and the stirring extraction tank is about 60 ℃, and the temperature of the petroleum ether condenser is about-15 ℃.
With the increase of time, acetone in the petroleum ether vacuum concentration tank and residual petroleum ether in the stirring extraction tank can be seen to start evaporating through the sight glass, after being condensed in the petroleum ether condenser, the petroleum ether solvent flows into the petroleum ether solvent temporary storage tank, and after reaching a certain liquid level, the petroleum ether solvent is discharged into the petroleum ether solvent storage tank through valve switching.
The petroleum ether reserved in the stirring extraction tank is evaporated before the petroleum ether in the petroleum ether vacuum concentration tank is evaporated, so that the petroleum ether discharge valve at the lower end of the stirring extraction tank can be closed after the petroleum ether reserved in the stirring extraction tank is evaporated, and the next process is started. The petroleum ether evaporation process of the petroleum ether vacuum concentration tank is still carried out.
And opening an ethanol liquid inlet valve on the stirring extraction tank, starting an ethanol solvent pump, filling ethanol into the stirring extraction tank, stopping the pump after filling the ethanol into the corresponding position of the material, and closing the ethanol inlet valve.
The magnetic stirrer at the lower part of the stirring extraction tank is started, and as the stirring time increases, part of composite phospholipids can be found to be separated from the residual byproduct raw materials in the previous process and then are mixed into the ethanol solvent. After the concentration of the solvent reaches a certain value, stirring is stopped. The ethanol discharging valve at the lower part of the stirring extraction tank is opened, and the mixture of ethanol and composite phospholipid is put into the ethanol vacuum concentration tank through the ethanol solvent discharge pipeline (this step is repeated for several times as required).
And (3) starting a corresponding refrigerating system, a vacuum system and a hot water system to enable the stirring extraction tank, the ethanol solvent discharge pipeline, the ethanol vacuum concentration tank, the ethanol condenser and the ethanol solvent temporary storage tank to be in a vacuum state, wherein the vacuum degree is about 8000 Pa, the temperature in the ethanol vacuum concentration tank and the stirring extraction tank is about 60 ℃, and the temperature of the ethanol condenser is about-8 ℃.
With the increase of time, the acetone in the ethanol vacuum concentration tank and the residual ethanol in the stirring extraction tank can be seen to start evaporating through the sight glass, the ethanol solvent is condensed in the ethanol condenser and then flows into the ethanol solvent temporary storage tank, and after reaching a certain liquid level, the ethanol solvent is discharged into the ethanol solvent storage tank through valve switching.
The ethanol left in the stirring extraction tank is evaporated before the ethanol in the ethanol vacuum concentration tank, so that the ethanol discharge valve at the lower end of the stirring extraction tank can be closed after the ethanol left in the stirring extraction tank is evaporated, and the next process is started. The ethanol evaporation process of the ethanol vacuum concentration tank is still performed.
The lid of the stirred extraction tank is opened, the residue in the filter bag is removed, and a new animal by-product is replaced, and then waiting for new production.
Recovering grease after the acetone evaporation process of the acetone vacuum concentration tank is completed; recovering part of the composite phospholipid after the petroleum ether evaporation process of the petroleum ether vacuum concentration tank is completed; and recovering part of the types of composite phospholipids (different types of composite phospholipids are respectively dissolved in petroleum ether and ethanol) after the ethanol evaporation process of the ethanol vacuum concentration tank is finished.
While the foregoing is directed to embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (6)
1. The animal byproduct separation and extraction method is characterized by utilizing an animal byproduct separation and extraction device, wherein the animal byproduct separation and extraction device comprises more than one solvent storage tank, more than one vacuum concentration tank, more than one condenser, more than one solvent temporary storage tank and a stirring and extraction tank; the solvent inlet of the stirring extraction tank is communicated with the solvent storage tank through a solvent supply pipeline, the solvent outlet is communicated with the vacuum concentration tank through a solvent discharge pipeline, the vapor outlet of the vacuum concentration tank is communicated with the inlet of the condenser, the solvent temporary storage tank is arranged between the condenser and the solvent storage tank, and the outlet of the condenser is communicated with the inlet of the solvent temporary storage tank; the outlet of the solvent temporary storage tank is communicated with the solvent storage tank; the solvent temporary storage tank is internally provided with a refrigerant coil, a liquid level meter and a vacuum port, when the solvent in the solvent temporary storage tank is higher than a preset height, the vacuum port on the solvent temporary storage tank is closed, a valve between the solvent temporary storage tank and the solvent storage tank is opened, and the solvent is discharged;
the stirring extraction tank comprises a tank body and a tank cover, a sealed space is formed between the tank body and the tank cover, the extraction tank is provided with a solvent inlet, a solvent outlet and a vacuum breaking port, the solvent inlet is communicated with each solvent storage tank through a multi-way valve, the solvent outlet is communicated with each vacuum concentration tank through the multi-way valve, at least one filter is arranged in the tank body, a stirrer and a concentration detector are arranged at the bottom position in the tank body, and a jacket structure capable of circulating heating medium or cooling medium is arranged outside the tank body;
The animal byproduct separation and extraction method comprises the following steps:
step 1), adding animal byproducts into a filter in a stirring extraction tank, and adding a first solvent in a first solvent storage tank into the stirring extraction tank through a first solvent supply pipeline and a solvent inlet multi-way valve;
step 2), starting a stirrer to stir the first solvent;
step 3), stopping stirring when the concentration of the first solvent reaches a preset value after the first extract is separated from animal byproducts and is fused into the first solvent;
step 4), discharging the solvent in the stirring extraction tank into a first vacuum concentration tank through a solvent outlet multi-way valve and a first solvent discharge pipeline, and keeping the stirring extraction tank communicated with the first vacuum concentration tank;
step 5), vacuumizing the stirring extraction tank, the first vacuum concentration tank, the first condenser and the first solvent temporary storage tank to a first vacuum degree value through a vacuum port on the first solvent temporary storage tank, so that a first heating temperature is kept in the stirring extraction tank and the first vacuum concentration tank, and a first cooling temperature is kept in the first condenser;
step 6), the first solvent in the stirring extraction tank and the first vacuum concentration tank starts to evaporate, the evaporated gas flows into the first solvent temporary storage tank after entering the first condenser for condensation, and the solvent in the first solvent temporary storage tank is discharged into the first solvent storage tank when the solvent liquid level in the first solvent temporary storage tank reaches a preset position;
Step 7), only the residual first solvent is discharged from the stirring extraction tank, and when the residual first solvent is evaporated before the first vacuum concentration tank, the communication between the stirring extraction tank and the first vacuum concentration tank is disconnected; the first solvent in the first vacuum concentration tank is continuously evaporated;
step 8), opening a vacuum breaking port of the stirring extraction tank, recovering normal pressure, opening a tank cover, and taking out residues in the filter bag;
step 9), obtaining a first extract after the first solvent in the first vacuum concentration tank is evaporated;
steps 10) to 17) are also included between step 7) and step 8),
step 10), adding a second solvent in a second solvent storage tank into the stirring extraction tank through a second solvent supply pipeline and a solvent inlet multi-way valve;
step 11), starting a stirrer to stir the second solvent;
step 12), stopping stirring when the concentration of the second solvent reaches a preset value after the second extract is separated from animal byproducts and is fused into the second solvent;
step 13), discharging the solvent in the stirring extraction tank into a second vacuum concentration tank through a solvent outlet multi-way valve and a second solvent discharge pipeline, and keeping the stirring extraction tank communicated with the second vacuum concentration tank;
Step 14), vacuumizing the stirring extraction tank, the second vacuum concentration tank, the second condenser and the second solvent temporary storage tank to a second vacuum degree value through a vacuum port on the second solvent temporary storage tank, so that the stirring extraction tank and the second vacuum concentration tank keep a second heating temperature, and the second condenser keeps a second cooling temperature;
step 15), the second solvent in the stirring extraction tank and the second vacuum concentration tank starts to evaporate, the evaporated gas flows into the second solvent temporary storage tank after entering the second condenser for condensation, and the solvent in the second solvent temporary storage tank is discharged into the second solvent storage tank when the solvent liquid level in the second solvent temporary storage tank reaches a preset position;
step 16), only the residual second solvent is discharged from the stirring extraction tank, and when the second solvent is evaporated before the second vacuum concentration tank, the communication between the stirring extraction tank and the second vacuum concentration tank is disconnected; the second solvent in the second vacuum concentration tank is continuously evaporated;
step 17), evaporating the second solvent in the second vacuum concentration tank to obtain a second extract.
2. The method for separating and extracting animal by-products according to claim 1, wherein the steps 18) to 25) are further included between the steps 16) and 17),
step 18), adding a third solvent in a third solvent storage tank into the stirring extraction tank through a third solvent supply pipeline and a solvent inlet multi-way valve;
step 19), starting a stirrer to stir the third solvent;
step 20), stopping stirring when the concentration of the third solvent reaches a preset value after the third extract is separated from animal byproducts and is blended into the third solvent;
step 21), discharging the solvent in the stirring extraction tank into a third vacuum concentration tank through a solvent outlet multi-way valve and a third solvent discharge pipeline, and keeping the stirring extraction tank communicated with the third vacuum concentration tank;
step 22), vacuumizing the stirring extraction tank, the third vacuum concentration tank, the third condenser and the third solvent temporary storage tank to a third vacuum degree value through a vacuum port on the third solvent temporary storage tank, so that a third heating temperature is kept in the stirring extraction tank and the third vacuum concentration tank, and a third cooling temperature is kept in the third condenser;
Step 23), the third solvent in the stirring extraction tank and the second vacuum concentration tank starts to evaporate, the evaporated gas enters the third condenser to be condensed, and flows into the third solvent temporary storage tank, and when the solvent liquid level in the third solvent temporary storage tank reaches a preset position, the solvent in the third solvent temporary storage tank is discharged into the third solvent storage tank;
step 24), only discharging the residual third solvent in the stirring extraction tank, and disconnecting the communication between the stirring extraction tank and the third vacuum concentration tank after the third solvent is evaporated before the third vacuum concentration tank; evaporating the third solvent in the third vacuum concentration tank continuously;
step 25), evaporating the third solvent in the third vacuum concentration tank to obtain a third extract.
3. The animal by-product separation and extraction method according to claim 1, wherein the positions of the condenser, the solvent temporary storage tank, and the solvent storage tank are sequentially lowered in height; the position height of the stirring extraction tank is higher than that of the vacuum concentration tank, and the solvent discharge pipeline is connected with the vacuum concentration tank at a gradually descending inclination angle.
4. The method for separating and extracting animal by-products according to claim 1, wherein the stirrer is a magnetic stirrer, the filter is a filter bag, a filter bag protecting basket is arranged on the outer side of the filter bag, a sealing element and a locking device are arranged between the tank cover and the tank body, the jacket is structurally provided with a medium inlet and a medium outlet, and the tank body is provided with at least 2 sight glass which can be observed inside the tank body at different heights.
5. The method for separating and extracting animal by-products according to claim 1, wherein a solvent inlet multi-way valve is arranged at the solvent inlet, the outlet of the solvent inlet multi-way valve is communicated with the solvent inlet, more than one inlet of the solvent inlet multi-way valve is connected with more than one solvent storage tank through different solvent supply pipelines; the solvent outlet is provided with a solvent outlet multi-way valve, the inlet of the solvent outlet multi-way valve is communicated with the solvent outlet, more than one outlet of the solvent outlet multi-way valve is connected with more than one vacuum concentration tank through different solvent discharge pipelines.
6. The method for separating and extracting animal by-products of claim 5, wherein the vacuum concentration tank is a vacuum scraper concentration tank.
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| CN115054941A (en) * | 2022-05-16 | 2022-09-16 | 浙江天沁制药机械有限公司 | Be used for pharmaceutic extraction equipment |
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