CN110574881A - Eggshell membrane separation equipment, separation method and production line thereof - Google Patents
Eggshell membrane separation equipment, separation method and production line thereof Download PDFInfo
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- CN110574881A CN110574881A CN201910971439.1A CN201910971439A CN110574881A CN 110574881 A CN110574881 A CN 110574881A CN 201910971439 A CN201910971439 A CN 201910971439A CN 110574881 A CN110574881 A CN 110574881A
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- 229940012466 egg shell membrane Drugs 0.000 title claims abstract description 123
- 238000000926 separation method Methods 0.000 title claims abstract description 108
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 88
- 210000003278 egg shell Anatomy 0.000 claims abstract description 83
- 238000003756 stirring Methods 0.000 claims abstract description 78
- 239000012528 membrane Substances 0.000 claims abstract description 51
- 102000002322 Egg Proteins Human genes 0.000 claims abstract description 46
- 108010000912 Egg Proteins Proteins 0.000 claims abstract description 46
- 238000011084 recovery Methods 0.000 claims abstract description 18
- 230000009471 action Effects 0.000 claims abstract description 10
- 238000000746 purification Methods 0.000 claims abstract description 5
- 238000004064 recycling Methods 0.000 claims abstract description 4
- 238000007599 discharging Methods 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 30
- 239000007788 liquid Substances 0.000 claims description 21
- 230000008569 process Effects 0.000 claims description 19
- 238000001035 drying Methods 0.000 claims description 13
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 230000018044 dehydration Effects 0.000 claims description 10
- 238000006297 dehydration reaction Methods 0.000 claims description 10
- 230000007423 decrease Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims 1
- 210000000998 shell membrane Anatomy 0.000 abstract description 11
- 238000010008 shearing Methods 0.000 abstract description 2
- 238000010907 mechanical stirring Methods 0.000 abstract 1
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- 235000013601 eggs Nutrition 0.000 description 40
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- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
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- MSWZFWKMSRAUBD-IVMDWMLBSA-N 2-amino-2-deoxy-D-glucopyranose Chemical compound N[C@H]1C(O)O[C@H](CO)[C@@H](O)[C@@H]1O MSWZFWKMSRAUBD-IVMDWMLBSA-N 0.000 description 1
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- 229940079593 drug Drugs 0.000 description 1
- 210000000969 egg white Anatomy 0.000 description 1
- 235000014103 egg white Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 238000002474 experimental method Methods 0.000 description 1
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- 235000012041 food component Nutrition 0.000 description 1
- 229960002442 glucosamine Drugs 0.000 description 1
- 229920002674 hyaluronan Polymers 0.000 description 1
- 229960003160 hyaluronic acid Drugs 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
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- 238000011835 investigation Methods 0.000 description 1
- 210000000629 knee joint Anatomy 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L15/00—Egg products; Preparation or treatment thereof
Landscapes
- Health & Medical Sciences (AREA)
- Nutrition Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
the invention discloses eggshell membrane separation equipment, a separation method and a production line thereof. The eggshell membrane separation equipment comprises a shell, a drainage plate, an upper cover plate and a stirring motor, wherein the drainage plate is provided with a diversion trench and a flow collection trench, the diversion trench is communicated with the flow collection trench, the output end of the stirring motor is connected with a stirring paddle, and the stirring paddle is provided with a first large blade and a second small blade; still be provided with a plurality of cowl in the casing, a plurality of baffles are all movably pasted in the inner wall of casing, are provided with one or more arch on every baffle, and eggshell and shell membrane have realized that the washing of eggshell membrane and high-efficient continuous automatic separation ejection of compact go on simultaneously under the combined action of mechanical stirring, shearing breakage and the physical separation of equipment. By adopting the separation method and the equipment production line, the purity of the separated egg shell membrane is up to more than 97%, and the recycling of the production water can be realized by adding a recovery and purification water tank behind the egg membrane collecting device.
Description
Technical Field
The invention relates to the field of eggshell treatment, in particular to eggshell membrane separation equipment, a separation method and a production line thereof.
background
China is a big country for producing and consuming poultry eggs, the annual output is about 3000 ten thousand tons, the yield accounts for about 45 percent of the global output, and is about 4.5 times of the United states and more than 7 times of India. The annual output of the waste eggshells and shell membranes in China is huge, the annual output of the waste eggshells is more than 360 ten thousand tons, and the annual output of the waste eggshell membranes is more than 40 ten thousand tons. The eggshell membrane is a natural precious resource with wide source and low cost. At present, in China, except a small part of eggshells and shell membranes are used for feeds, most of the eggshells and the shell membranes are directly discarded. The waste eggshells carrying egg white are easy to decay to generate foul smell to pollute the environment, and cause serious resource waste and environmental pollution problems.
the eggshell membrane has high nutritive value, contains the same or similar components as knee joint cartilage matrix and joint fluid, such as glucosamine, chondroitin sulfate, collagen, hyaluronic acid and the like, can be widely developed and applied to the fields of medicines, health-care foods, cosmetics, biological materials and the like, and has wide application prospect particularly in the aspect of joint health-care foods.
With the development of the egg product deep processing industry, more and more egg product processing enterprises can intensively generate batch waste egg shells and shell membranes every day, and the comprehensive utilization of the egg shells and the shell membranes becomes necessary and economically feasible. The separation method mainly adopted in the existing separation preparation of the eggshell membrane comprises a chemical soaking separation mode, an air flow separation mode and a mechanical separation mode, for example, a method for separating the eggshell membrane from an eggshell disclosed in patent CN102743317A adopts the chemical soaking separation method, hydrochloric acid is added into the eggshell for heat preservation and soaking, so that the calcareous material and the eggshell membrane keratin of the eggshell are subjected to chemical change, the binding force between the eggshell and the eggshell membrane is reduced, and the eggshell and the membrane are separated under continuous stirring. However, the addition of the chemical agent of hydrochloric acid can cause chemical changes of nutritional components in the egg membrane, thereby affecting the quality of the egg membrane and limiting the application of the egg membrane. The mechanical separation method mainly comprises machine rolling, is complex to operate, is easy to damage the original structures of the lime shell and the eggshell membrane, and has low recovery rate of the eggshell membrane; the crushing and winnowing method using the air flow separation technology has the problems of low efficiency, low purity of the obtained egg membrane, high energy consumption, difficult operability and the like. For another example, patent publication CN102639007A, "eggshell membrane separation" discloses: the method relates to a separation device, the device has a plurality of components and is complex, the industrial use investment is large, the energy consumption is high, according to the investigation, a set of cyclone separation equipment has high power and large energy consumption, the water control requirement on the eggshell before separation is strict, the stable separation of the eggshell and the eggshell membrane is difficult to realize, and the purity of the separated eggshell membrane is not high.
For another example, patent CN 105685845A, "an egg shell membrane separation device", adopts a heating separation method, which utilizes the characteristic that the egg shells and the egg membranes have different expansion coefficients under heating conditions, to heat the egg shells with hot air, so that the egg membranes of the eggs drop off from the egg shells, and then separate the eggs by cyclone.
therefore, the separation mode in the prior art is not perfect, various problems exist, and a new egg membrane separation device or process method is urgently needed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides eggshell membrane separation equipment, a separation method and a production line thereof, which have the advantages of simple structure, convenience in operation, high separation efficiency, excellent separation effect, capability of automatically working and labor cost saving. The method is realized by the following technical scheme:
The eggshell membrane separation equipment comprises a shell, a drainage plate, an upper cover plate and a stirring motor, wherein the drainage plate is arranged above the shell, a diversion trench and a flow collection trench are formed in the drainage plate, the diversion trench is communicated with the flow collection trench, the upper cover plate is arranged above the drainage plate, the stirring motor is arranged above the shell through a support plate, and the output end of the stirring motor is connected with a stirring paddle; a feeding port is arranged on the supporting plate, and a discharging port is arranged at the bottom of the shell; still be provided with a plurality of cowl in the casing, it is a plurality of the baffle all movably paste in the inner wall of casing, every be provided with one or more arch on the baffle. Through simple structure, realized the separation of eggshell membrane promptly, the eggshell can constantly strike the arch on the baffle, supplementary eggshell membrane separation under protruding effect, and guiding gutter and collecting gutter have promoted the collection effect of eggshell membrane again.
preferably, the casing bottom is the toper, discharge gate and a duct connection, the conveyer pipe bottom is equipped with the delivery port, and ejection of compact auger motor is installed on the upper portion of conveyer pipe, and the inside of conveyer pipe is provided with ejection of compact auger, ejection of compact auger one end is connected with ejection of compact auger motor.
preferably, the flow guide grooves are multiple, each flow guide groove comprises an arc-shaped inner plate and an arc-shaped outer plate, the height of the inner plate is gradually reduced in the direction that the flow guide groove extends to the flow collecting groove, the height of the outer plate is gradually increased, and the distance between the inner plate and the outer plate is gradually reduced.
preferably, the flow collecting groove is located at the edge of the drainage plate, the bottom of the flow collecting groove is inclined, and the bottom height of the flow collecting groove is lower than that of the flow guide groove.
preferably, the stirring paddle is provided with a first large blade and a second small blade, the first large blade is positioned at the middle lower part of the stirring paddle, and the second small blade is positioned at the end part of the stirring paddle; two ends of the first large blade and the second small blade are respectively provided with a cutter point, wherein the cutter point at one end of the first large blade faces upwards, and the cutter point at the other end of the first large blade faces downwards; the tool tips at the two ends of the second small blade are upward.
preferably, the liquid level sensor is mounted on the shell, and the height of the liquid level sensor is higher than that of the baffle.
Preferably, the upper portion of casing still is provided with the water filling port, just the casing bottom is connected with the support column.
The invention also relates to a method for separating eggshell membranes, which comprises the following steps,
Crushing eggshells, centrifuging, separating and collecting residual egg liquid on the eggshells by using centrifugal force, conveying the egg liquid to the eggshell membrane separation equipment by using a feeding auger, and feeding;
step (2), water is injected into the shell of the eggshell membrane separation equipment through a water pump while the crushed eggshells are conveyed into the eggshell membrane separation equipment, the water injection is stopped when the water level reaches a preset value, the stirring paddle starts stirring, and the eggshell membrane separation is realized through the stirring of the stirring paddle and the impact action of the bulge on the baffle;
Step (3), guiding the separated egg membranes to an egg membrane collecting device through a flow collecting groove of the shell membrane separation equipment, and outputting the separated and fallen egg shells through a discharging auger;
Repeating the steps (1) to (3), and carrying out the next cyclic working process of feeding, stirring and discharging until the eggshells with the preset amount are processed;
Step (4), carrying out centrifugal dehydration on the egg membranes in the egg membrane collecting device to obtain wet egg membranes with the water content of 70-80%;
And (5) collecting the water separated in the step (4) into a recovery water tank for recycling, drying the obtained wet egg membrane by a vacuum dryer at the drying temperature of 40-60 ℃ for 2-4h to obtain the dry egg membrane with the purity of more than 97%, wherein the dry egg membrane can be directly used and can be stored at normal temperature.
Preferably, the feeding auger in the step (1) is driven by a feeding auger motor, and the feeding auger motor works for 10min in each circulating feeding process.
And (3) driving the stirring paddle in the step (2) through a stirring motor, working the stirring motor for 40min in the stirring process of each circulation, driving the discharging auger in the step (3) through a discharging auger motor after stopping working, and working the discharging auger motor for 10min in the discharging process of each circulation.
the egg membrane collecting device in the step (4) is internally provided with a filter bag and a centrifugal machine, has the functions of centrifugal dehydration and collection, and can realize the synchronous operation of egg membrane collection and dehydration.
And (5) the recovery water tank is provided with a purification device, and water separated from the water outlet of the eggshell membrane separation equipment and the eggshell membrane collection device is recovered and purified, and then water is injected into the shell of the eggshell membrane separation equipment through a water delivery pump, so that circular production is realized.
The invention also relates to an eggshell membrane separation production line which is processed by adopting an eggshell membrane separation method and comprises eggshell membrane separation equipment, an eggshell crushing centrifugal machine, an eggshell collecting device, an eggshell membrane drying device and a recovery water tank, wherein a feeding packing auger is connected between the eggshell crushing centrifugal machine and the eggshell membrane separation equipment, the eggshell membrane separation equipment is connected with the eggshell collecting device through the discharging packing auger, the eggshell membrane collecting device is connected with a flow collecting groove of the eggshell membrane separation equipment through a pipeline, and the recovery water tank is connected with a water outlet of the eggshell membrane separation equipment and the eggshell membrane collecting device.
Compared with the prior art, the invention has the following beneficial effects:
(1) Simple structure, separation effect are good, and eggshell membrane separation equipment contains bellied baffle, guiding gutter, mass flow groove. The baffle is provided with one or more bulges, when the device is used for stirring, the eggshells continuously impact the bulges on the baffle under the action of vortex, the eggshells and the shell membranes are separated under the action of the bulges, and the eggshells and the shell membranes are further sheared and crushed by the blades of the stirring paddle.
In addition, the invention realizes the separation of the adhesion part of the eggshell and the shell membrane under the action of water through baffle impact, rapid stirring and shearing of the stirring paddle blade, and utilizes the difference of density to lead the separated eggshell membrane to be rapidly gathered to the upper layer, thus being beneficial to the rapid separation of the eggshell membrane and being convenient for collection. On the direction that the guiding gutter extends to the collecting gutter, the height of inner panel reduces gradually, and the height of planking increases gradually, and the interval of inner panel and planking reduces gradually, the water conservancy diversion of being convenient for. The opening of each diversion trench is communicated with the inner cavity of the shell, the shell and the membrane are separated by vortex, the separated egg membrane rises to the liquid level along the vortex and can be guided out through the diversion trench and the diversion trench, and the egg shell sinks to the bottom of the shell due to large specific gravity. And the collecting groove is positioned at the edge of the drainage plate, and the bottom of the collecting groove is inclined, so that the egg membranes at the collecting groove can be conveniently led out, and the automatic and efficient collection of the egg shell membranes is realized.
(2) the eggshell membrane separation equipment also has a cleaning effect, realizes synchronous eggshell cleaning and separation, and can remove residual dirt on the eggshells and residual egg liquid on the eggshells in the stirring process after water injection so as to improve the purity of the eggshells and be beneficial to later-stage storage and use.
(3) The automatic water level control system has high automation degree, can realize continuous automatic production, is convenient to operate, controls the water injection amount by the liquid level sensor, and can avoid the overflow of equipment due to overhigh water level; and the feeding auger motor, the stirring motor and the discharging auger motor can be respectively controlled by electrons and work in a time-sharing and matching way, so that the automatic production is realized, and the labor is saved.
(4) The invention adopts the eggshell membrane separation production line, has simple process flow, less working procedures and high eggshell membrane separation efficiency, obtains the eggshell membrane with the purity of more than 97 percent, and is suitable for the industrial production and the mass preparation and use of the eggshell membrane.
(5) The invention is provided with the recovery water tank, the production water is recovered and purified through the recovery water tank and then is recycled through the production line, the production water consumption is reduced, and the environment-friendly production is realized.
Drawings
Fig. 1 is a structural view of an eggshell membrane separation apparatus of the present invention;
Fig. 2 is a structural view of a baffle plate of an eggshell membrane separation apparatus of the present invention;
Fig. 3 is a structural view of a drainage plate of an eggshell membrane separation apparatus of the present invention;
Fig. 4 is a structural view of a stirring paddle of an eggshell membrane separation device of the present invention;
Fig. 5 is a process flow diagram of an eggshell membrane separation production line of the present invention.
description of reference numerals:
1, a shell, 2 drainage plates, 21 flow guide grooves, 211 inner plates, 212 outer plates, 22 flow collection grooves, 3 upper cover plates, 4 stirring motors, 5 stirring paddles, 51 first large blades, 52 second small blades, 6 feeding ports, 7 discharging ports, 8 baffle plates, 81 bulges, 9 conveying pipes, 10 discharging auger motors, 11 water outlets, 12 liquid level sensors and 13 water injection ports;
1111 eggshell membrane separation equipment, 2222 eggshell crushing centrifuge, 3333 eggshell collecting device, 4444 eggshell membrane collecting device, 5555 eggshell membrane drying device and 6666 recovery water tank.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
in the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
in a preferred embodiment of the present invention, as shown in fig. 1, the eggshell membrane separation apparatus of the present invention comprises a casing 1, a drainage plate 2, an upper cover plate 3 and a stirring motor 4, wherein the drainage plate 2 is arranged above the casing 1, the drainage plate 2 is provided with a diversion trench 21 and a collection trench 22, the diversion trench 21 is communicated with the collection trench 22, the upper cover plate 3 is arranged above the drainage plate 2, the stirring motor 4 is arranged above the casing 1 through a support plate, and an output end of the stirring motor 4 is connected with a stirring paddle 5; a feeding port 6 is arranged on the supporting plate, and a discharging port 7 is arranged at the bottom of the shell 1; for the upper cover plate 3, when stirring, the upper cover plate 3 is covered, so that the egg shell membrane and water can be prevented from splashing everywhere; after the work is finished, the upper cover plate 3 is lifted, and the guide groove 21 and the collecting groove 22 are convenient to clean. Note: in order to reflect the internal structure of the eggshell membrane separation device, fig. 1 shows the effect of the whole device after being partially cut away.
as shown in fig. 2, a plurality of arc baffles 8 are further arranged in the casing 1, the baffles 8 are movably attached to the inner wall of the casing 1, each baffle 8 is provided with one or more protrusions 81, the number of the baffles 8 is preferably three, the three baffles 8 enclose an arc shape and are movably attached to the inner wall of the casing 1, and the number of the protrusions 81 is preferably two. When the device is stirring, under the action of the vortex, the eggshell can continuously impact the bulge 81 on the baffle plate 8, and the eggshell membrane separation is assisted under the action of the bulge 81. And baffle 8 can rotate along with the vortex effect in casing 1, avoids the long time eggshell to pile up, in addition, because baffle 8 is not fixed, the operator can regularly take baffle 8 out from the top, convenient clearance.
The bottom of the shell 1 is conical, the discharge port 7 is connected with a conveying pipe 9, the bottom of the conveying pipe 9 is provided with a water outlet 11, the upper part of the conveying pipe 9 is provided with a discharge auger motor 10, a discharge auger (not shown) is arranged inside the conveying pipe 9, and one end of the discharge auger is connected with the discharge auger motor 10. The bottom of the shell 1 is conical, so that the eggshells and water can flow out of the discharge hole 7 conveniently. The conveying pipe 9 can convey water and eggshells upwards at the same time, the water outlet 11 discharges redundant water to the recovery water pool 6666, the water enters the next procedure together with the eggshell membrane, and after dehydration, the water can be pumped back to the eggshell membrane separation equipment in the technical scheme, so that the water can be recycled.
The discharging auger is directly selected from the prior art, the auger is common knowledge in the field and is a general structural member, the auger is a common name of a spiral conveying structure and is suitable for horizontal conveying, inclined conveying, vertical conveying and other forms of granular or powdery materials, and the structure of the discharging auger is not dealt with in detail because the discharging auger is not a core invention point of the invention.
As shown in fig. 3, there are a plurality of baffle grooves 21, preferably 6 baffle grooves 21, each baffle groove 21 includes an arc inner plate 211 and an arc outer plate 212, and in the direction in which the baffle groove 21 extends to the collecting groove 22, the height of the inner plate 211 gradually decreases, the height of the outer plate 212 gradually increases, and the distance between the inner plate and the outer plate 212 gradually decreases. The opening of each diversion trench 21 is communicated with the inner cavity of the shell 1, the stirring paddle 5 can break the eggshell in high-speed (750r/min) rotation along with the stirring of the stirring paddle 5, the shell membrane is separated by the vortex generated by the rotation, the separated eggshell membrane rises to the liquid level along the vortex and can be guided out through the diversion trenches 21 and the diversion trench 22, and the eggshell sinks to the bottom of the shell 1 due to the large specific gravity.
The collecting groove 22 is located the edge of drainage plate 2, and the collecting groove 22 bottom is the slope form, and its bottom height is less than the bottom height of guiding gutter 21, so make things convenient for the egg membrane of collecting groove 22 department to derive.
As shown in fig. 4, the stirring paddle 5 is provided with a first large blade 51 and a second small blade 52, the first large blade 51 is positioned at the middle lower part of the stirring paddle 5, and the second small blade 52 is positioned at the end part of the stirring paddle 5; two ends of the first big blade 51 and the second small blade 52 are respectively provided with a knife tip, wherein the knife tip at one end of the first big blade 51 is upward, and the knife tip at the other end of the first big blade 51 is downward; the tips of the two ends of the second small blade 52 are upward.
the stirring device further comprises a liquid level sensor 12 installed on the shell 1, wherein the height of the liquid level sensor 12 is higher than that of the baffle 8, namely the installation position of the liquid level sensor 12 is located above the baffle 8, and when the position of water injection reaches the specified height of the liquid level sensor 12, the water injection is stopped, and the stirring is started. In addition, the upper portion of casing 1 still is provided with water filling port 13, and casing 1 bottom is connected with the support column.
the working process of the eggshell membrane separation apparatus of the present invention is illustrated by a specific example below:
starting a power supply of the device to work, injecting water into the eggshell membrane separation device by a water delivery pump through a water injection port 13 for about 10min, wherein the water amount is 2.5 tons, simultaneously starting a feeding auger motor, and feeding the eggshell membrane to be treated into the separation device from a feeding port 6 through a feeding auger (the auger conveying amount is 17 kg/min); when the specific gravity of the eggshell and the water reaches the optimal mixing proportion of 1: and 15 hours (about 170kg of eggshell membrane, and about 10 minutes of operation of the feeding auger), and controlling the motor of the feeding auger to stop feeding by a program, wherein the optimal mixing proportion is measured by a large number of experiments, and the optimal mixing proportion can ensure that the eggshells and the eggshell membrane can be separated to the maximum extent.
When the water level reaches the measuring height of the liquid level sensor 12, the water valve of the water injection port is controlled by a program to be closed, water injection is stopped, the stirring motor 4 starts stirring, the stirring paddle starts to work, the stirring time is 40min, and the separated eggshell membranes flow out from the top diversion trench 21 along the vortex action of water during stirring, flow into a pipeline after being collected in the collecting trench 22 and enter the next process.
stirring for 40min, starting the discharging auger motor 10, allowing the separated eggshells to sink to the bottom, allowing the separated eggshells to enter the conveying pipe 9 through the discharging port 7, and conveying the eggshells to the eggshell collecting device through the discharging auger.
The invention also relates to a method for separating eggshell membranes, which comprises the following steps,
Crushing eggshells, centrifuging, separating and collecting residual egg liquid on the eggshells by using centrifugal force, conveying the egg liquid to the eggshell membrane separation equipment by using a feeding auger, and feeding; specifically, the eggshell is crushed to be capable of passing through a 16-mesh screen;
Step (2), conveying the crushed eggshells obtained in the step (1) to eggshell membrane separation equipment, simultaneously injecting water into a shell body 1 of the eggshell membrane separation equipment through a water conveying pump, stopping the water injection automatically when the water level reaches a preset value, starting stirring by a stirring paddle 5, and realizing the separation of eggshell membranes through the stirring of the stirring paddle 5 and the impact action of a protrusion 81 on a baffle plate;
Step (3), guiding the separated egg membranes to an egg membrane collecting device 4444 through a flow collecting groove 22 of the egg shell membrane separation equipment, and outputting the separated and fallen egg shells through a discharging auger;
repeating the steps (1) to (3), and carrying out the next cycle of feeding, stirring and discharging until the eggshells with the preset amount are processed;
step (4), carrying out centrifugal dehydration on the egg membrane in the egg membrane collecting device 4444 to obtain a wet egg membrane with the water content of 70-80%;
And (5) collecting the water separated in the step (4) into a recovery water tank 6666 for purification and recycling, drying the obtained wet egg membrane by a vacuum dryer at 40-60 ℃ for 2-4h to obtain the dry egg membrane with the purity of more than 97%, which can be directly used and stored at normal temperature. In the operation process of a specific embodiment, the drying temperature is 50 ℃, the drying time is 2 hours, and the bag is packed after drying. Randomly sampling and detecting the purity of the eggshell membrane of the bagged product, wherein the purity of the eggshell membrane is 98%.
The eggshell membrane purity detection method comprises the following steps: micro-crushing the egg shell membrane prepared by separation, weighing 10g, placing the egg shell membrane in a 250 mL beaker, adding 200mL of water, stirring for 3min, pouring the upper layer of liquid and the egg shell membrane with relatively low density, repeating the operation for 3 times to obtain the egg shell powder impurity with relatively high density at the lower layer of the completely separated egg shell membrane, placing the egg shell membrane in a 105 ℃ oven to be dried to constant weight to obtain the weight of the beaker and the egg shell powder, and subtracting the weight of the beaker with constant weight to obtain the weight m of the egg shell powder1The purity of eggshell membrane is (10-m)1) And/10 x 100%, repeating the operations for three times, and taking an average value to obtain the eggshell membrane purity.
The feeding auger in the step (1) is driven by a feeding auger motor, and the feeding auger motor works for 10min in each circulating feeding process;
The stirring paddle 5 in the step (2) is driven by the stirring motor 4, the stirring motor 4 works for 40min in the stirring process of each circulation, after the work is stopped, the discharging auger in the step (3) is driven by the discharging auger motor, and the discharging auger motor works for 10min in the discharging process of each circulation.
The egg membrane collecting device 4444 in the step (4) is internally provided with a filter bag and a centrifuge, has the functions of centrifugal dehydration and collection, and can realize the synchronous operation of egg membrane collection and dehydration; and (3) the recovery water tank in the step (5) is provided with a purification device, water separated from the water outlet 11 of the eggshell membrane separation equipment 1111 and the eggshell membrane collecting device 4444 is recovered and purified, and water is injected into the shell 1 of the eggshell membrane separation equipment through the water delivery pump, so that the circular production is realized.
Namely, the cycle working time is 1h, the feeding auger motor works in the first 10min, and stops in the last 50 min; the discharging auger motor stops 50min before 10min and works 10min after 10min, the stirring motor 4 works 40min in the middle, and the work stops in the rest time. One cycle can load 150-200 kg.
as shown in fig. 5, the present invention further relates to an eggshell membrane separation production line, which is processed by the method of eggshell membrane separation, and comprises an eggshell membrane separation device 1111, an eggshell crushing centrifuge 2222, an eggshell collection device 3333, an eggshell membrane collection device 4444, an eggshell membrane drying device 5555, and a recovery water tank 6666, wherein a feeding auger is connected between the eggshell crushing centrifuge 2222 and the eggshell membrane separation device, the eggshell membrane separation device 1111 and the eggshell collection device 3333 are connected by the feeding auger, the eggshell membrane collection device 4444 is connected with the collecting tank 22 of the eggshell membrane separation device 1111 by a pipeline, and the recovery water tank 6666 is connected with a water outlet 11 of the eggshell membrane separation device 1111 and the eggshell membrane collection device 4444.
in the specific implementation process, the eggshell pulverizing centrifuge 2222 adopts a pulverizer with a liquid removal functionPulverizing, and drying egg membrane with evaporation area of 15m 55552Square vacuum drier.
the foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. the eggshell membrane separation equipment is characterized by comprising a shell (1), a drainage plate (2), an upper cover plate (3) and a stirring motor (4), wherein the drainage plate (2) is arranged above the shell (1), a diversion trench (21) and a collection trench (22) are arranged on the drainage plate (2), the diversion trench (21) is communicated with the collection trench (22), the upper cover plate (3) is arranged above the drainage plate (2), the stirring motor (4) is arranged above the shell (1) through a support plate, and the output end of the stirring motor (4) is connected with a stirring paddle (5); a feeding port (6) is arranged on the supporting plate, and a discharging port (7) is arranged at the bottom of the shell (1);
Still be provided with a plurality of cowl (8) in casing (1), it is a plurality of equal movably subsides of baffle (8) in the inner wall of casing (1), every be provided with one or more arch (81) on baffle (8).
2. the eggshell membrane separation equipment according to claim 1, wherein the bottom of the shell (1) is conical, the discharge port (7) is connected with a conveying pipe (9), a water outlet (11) is arranged at the bottom of the conveying pipe (9), a discharge auger motor (10) is installed at the upper part of the conveying pipe (9), a discharge auger is arranged inside the conveying pipe (9), and one end of the discharge auger is connected with the discharge auger motor (10).
3. the eggshell membrane separation apparatus as claimed in claim 1, wherein there are a plurality of said baffle grooves (21), each of said baffle grooves (21) comprising an inner plate (211) having a circular arc shape and an outer plate (212) having a circular arc shape, the height of said inner plate (211) gradually decreases, the height of said outer plate (212) gradually increases, and the distance between said inner plate (211) and said outer plate (212) gradually decreases in the direction in which the baffle groove (21) extends to the collecting groove (22).
4. the eggshell membrane separation apparatus according to claim 3, wherein the collecting trough (22) is located at the edge of the flow guide plate (2), and the bottom of the collecting trough (22) is inclined, and the bottom height thereof is lower than the bottom height of the flow guide trough (21).
5. the eggshell membrane separation apparatus according to claim 1, wherein a first large blade (51) and a second small blade (52) are mounted on the stirring paddle (5), the first large blade (51) is located at the middle lower part of the stirring paddle (5), and the second small blade (52) is located at the end part of the stirring paddle (5); two ends of the first large blade (51) and the second small blade (52) are respectively provided with a cutter point, the cutter point at one end of the first large blade (51) is upward, and the cutter point at the other end of the first large blade is downward; the tips of the two ends of the second small blade (52) are upward.
6. Eggshell membrane separation device according to claim 1, further comprising a liquid level sensor (12) mounted on the shell (1), and the height of said liquid level sensor (12) being higher than the height of said baffle (8).
7. Eggshell membrane separation device according to any of claims 1 to 6, characterized in that the upper part of the housing (1) is further provided with a water injection port (13) and the bottom of the housing (1) is connected with a support column.
8. A method for separating eggshell membranes is characterized by comprising the following steps,
Step (1), crushing eggshells, performing centrifugal treatment, separating and collecting residual egg liquid on the eggshells by using centrifugal force, and then conveying 150 and 200kg crushed eggshells to the eggshell membrane separation equipment according to any one of claims 1 to 6 by using a feeding auger to perform feeding;
Step (2), water is injected into the shell (1) of the eggshell membrane separation equipment through a water delivery pump while the crushed eggshells in the step (1) are conveyed into the eggshell membrane separation equipment, the equipment automatically stops injecting water when the water level reaches a preset value, the stirring paddle (5) starts stirring, and the eggshell membrane separation is realized through the stirring of the stirring paddle (5) and the impact action of the bulge (81) on the baffle;
step (3), guiding the separated egg membranes to an egg membrane collecting device (4444) through a flow collecting groove (22) of the egg shell membrane separation equipment, and outputting the separated and fallen egg shells through a discharging auger;
Repeating the steps (1) to (3), and carrying out the next cyclic working process of feeding, stirring and discharging until the eggshells with the preset amount are processed;
Step (4), carrying out centrifugal dehydration on the egg membrane in the egg membrane collecting device (4444) to obtain a wet egg membrane with the water content of 70-80%;
And (5) collecting the water separated in the step (4) into a recovery water tank (6666) for recycling, drying the obtained wet egg membrane by a vacuum dryer at the drying temperature of 40-60 ℃ for 2-4h to obtain the dry egg membrane with the purity of more than 97%, wherein the dry egg membrane can be directly used and can be stored at normal temperature.
9. The eggshell membrane separation method according to claim 8, wherein the feeding auger in step (1) is driven by a feeding auger motor, and the feeding auger motor works for 10min in each cyclic feeding process;
The stirring paddle (5) in the step (2) is driven by the stirring motor (4), the stirring motor (4) works for 40min in the stirring process of each circulation, after the stirring is stopped, the discharging auger in the step (3) is driven by the discharging auger motor, and the discharging auger motor works for 10min in the discharging process of each circulation;
The egg membrane collecting device (4444) in the step (4) is internally provided with a filter bag and a centrifugal machine, has the functions of centrifugal dehydration and collection, and can realize the synchronous operation of egg membrane collection and dehydration;
and (3) the recovery water tank in the step (5) is provided with a purification device, water separated from a water outlet (11) of the eggshell membrane separation equipment (1111) and the eggshell membrane collection device (4444) is recovered and purified, and water is injected into the shell (1) of the eggshell membrane separation equipment through a water pump, so that circular production is realized.
10. An eggshell membrane separation production line which is processed by the eggshell membrane separation method as claimed in claim 8 or 9, characterized in that it comprises an eggshell membrane separation apparatus (1111) as defined in any one of claims 1 to 7, further comprising an eggshell grinding centrifuge (2222), an eggshell collection device (3333), an eggshell membrane collection device (4444), an eggshell membrane drying device (5555) and a recovery water tank (6666), a feeding auger is connected between the eggshell crushing centrifuge (2222) and the eggshell membrane separation equipment (1111), the eggshell membrane separation equipment (1111) is connected with the eggshell collecting device (3333) through a discharging auger, the egg membrane collecting device (4444) is connected with a collecting tank (22) of the egg shell membrane separation device (1111) through a pipeline, the recovery water tank (6666) is connected with the water outlet (11) of the eggshell membrane separation equipment (1111) and the eggshell membrane collecting device (4444).
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