CN110917938A - Automatic vacuum spraying process method - Google Patents
Automatic vacuum spraying process method Download PDFInfo
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- CN110917938A CN110917938A CN201911189240.XA CN201911189240A CN110917938A CN 110917938 A CN110917938 A CN 110917938A CN 201911189240 A CN201911189240 A CN 201911189240A CN 110917938 A CN110917938 A CN 110917938A
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- Prior art keywords
- spraying
- mixing cavity
- pipeline
- vacuum
- discharge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K40/00—Shaping or working-up of animal feeding-stuffs
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K40/00—Shaping or working-up of animal feeding-stuffs
- A23K40/30—Shaping or working-up of animal feeding-stuffs by encapsulating; by coating
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
- A23N17/00—Apparatus specially adapted for preparing animal feeding-stuffs
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
- A23N17/00—Apparatus specially adapted for preparing animal feeding-stuffs
- A23N17/007—Apparatus specially adapted for preparing animal feeding-stuffs for mixing feeding-stuff components
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23P—SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
- A23P20/00—Coating of foodstuffs; Coatings therefor; Making laminated, multi-layered, stuffed or hollow foodstuffs
- A23P20/10—Coating with edible coatings, e.g. with oils or fats
- A23P20/15—Apparatus or processes for coating with liquid or semi-liquid products
- A23P20/18—Apparatus or processes for coating with liquid or semi-liquid products by spray-coating, fluidised-bed coating or coating by casting
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/7179—Feed mechanisms characterised by the means for feeding the components to the mixer using sprayers, nozzles or jets
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Nozzles (AREA)
Abstract
The invention discloses an automatic vacuum spraying process method in the field of food, pet food and aquatic feed processing, which comprises the following steps: self-checking: carrying out self-checking reset on a weighing sensor of the material adding equipment; feeding: adding material particles into the mixing cavity through the feeding hole; vacuumizing: opening a butterfly valve connected with the vacuumizing pipe, starting a vacuum pump, and vacuumizing the interior of the mixing cavity; spraying: spraying grease on the material particles in the mixing cavity through the first nozzle assembly; and (3) vacuum release: air enters the mixing cavity by adjusting the opening degree of the pressure relief valve; normal pressure guniting/dusting: spraying the pasty phagostimulant on the surfaces of the material particles in the mixing cavity by the second nozzle assembly, or adding the powdery phagostimulant into the mixing cavity through the feeding hole; discharging: the stirring shaft continues to rotate, and the discharge door is opened to discharge materials; self-checking and feeding are continued, and the next cycle is started. The vacuum spraying device can quickly and efficiently finish vacuum spraying, and the spraying efficiency is higher.
Description
Technical Field
The invention belongs to the field of food, pet food and aquatic feed processing, and particularly relates to an automatic vacuum spraying process method.
Background
Among the prior art, there is a vacuum coating machine, its patent application number: 201410516694.4, respectively; application date: 2014-09-30; its structure includes jar body and sets up at jar internal portion's auger, and the auger is provided with circular discharge gate with jar top coupling in jar bottom of body, installs the valve in discharge gate department, the top of valve be the conical surface body, the directional auger of awl point, the conical surface body is coaxial with the auger, the conical surface of the conical surface body is sealed with the cooperation of circular discharge gate, the helical blade of auger extends to jar body bottom along the conical surface spiral, is provided with the telescoping device of drive discharge valve up-and-down motion in the bottom of valve.
The helical blade of the auger of the device extends to the bottom of the tank body along the conical surface spiral of the conical surface body, and during operation, the helical blade of the auger scrapes the particle material at the bottom of the tank body and conveys the upper side of the tank body to contact with atomized liquid drops, but the deficiency lies in that: the inner wall of the spiral protective cylinder and the inner spiral blades form cleaning dead corners, compressed air and manpower cannot clean the dead corners, grease is added and sprayed in an atomized manner, and the grease can be bonded on the spiral along with powder in the material; after the materials are sprayed for many times, the interior of the tank body is not cleaned completely, bacteria are easy to breed, and the requirement of food sanitation level cannot be met; the conical discharge door is easy to be stuck to cause untight closing, so that the risk of air leakage exists; the unable intensive mixing material of single hank dragon, the spraying is even inadequately, and jar internal volume is big inadequately, and the efficiency of material is handled in the spraying is lower.
Disclosure of Invention
The invention aims to provide an automatic vacuum spraying process method which can quickly and efficiently finish vacuum spraying, a horizontal double-shaft paddle type mixing mechanism is adopted to avoid material sticking, the inner wall of a mixing cavity is smooth and has no sanitary blind area, the cleaning is convenient, the food sanitation level requirement can be met, the discharging efficiency of a double discharging door is improved, the material sticking is avoided, the bin capacity of the mixing cavity is larger, and the spraying efficiency is higher.
The purpose of the invention is realized as follows: an automatic vacuum spraying process method comprises a spraying host machine, wherein a feed inlet is arranged at the top of the spraying host machine, a mixing cavity is arranged inside the spraying host machine, a discharge outlet is arranged at the bottom of the spraying host machine, disc valves are arranged at the feed inlet and the discharge outlet, the mixing cavity comprises two bilaterally symmetrical sub-cavities, a stirring shaft is respectively and rotatably arranged in the two sub-cavities and is parallel to the length direction of the sub-cavities of the spraying host machine, a plurality of blades are staggered on the stirring shaft, the blades on the two stirring shafts are circumferentially staggered, the two stirring shafts are in transmission connection with a rotary driving mechanism, the discharge outlets are respectively arranged at the bottoms of the two sub-cavities of the spraying host machine, discharge doors are correspondingly arranged at the discharge outlets, the two discharge doors are in transmission connection with an opening and closing driving mechanism, and are, the arc angle of the discharge door is 59-61 degrees, openable machine body access doors are arranged on the left side and the right side of the spraying main machine, a vacuum pumping pipe communicated with the mixing cavity and a hot air drying pipe communicated with the mixing cavity are arranged on the upper side of the spraying main machine, a first nozzle assembly and a second nozzle assembly communicated with the mixing cavity are arranged at the top of the spraying main machine, the first nozzle assembly and the second nozzle assembly are respectively connected with a pumping pipeline, and the head end of the pumping pipeline is connected with liquid adding equipment; a material adding device is correspondingly arranged above the feeding hole, and a weighing sensor is arranged on the material adding device;
the process method comprises the following steps:
(1) self-checking: carrying out self-checking reset on a weighing sensor of the material adding equipment, wherein the reset time is 4-6 s;
(2) feeding: the material adding equipment is used for weighing material particles with the weight of M, the material is puffed aquatic material or special-shaped pet material, the size of the material particles is 6-18 mm, and the volume weight of the material particles is 0.3-0.7 t/M3Adding and mixing material particles through a feed inletIn the cavity, when a butterfly valve of the feeding port is opened, a driving motor of the stirring shaft starts to run at the motor frequency of 32-38 Hz, and the feeding process lasts for 19-21 s;
(3) vacuumizing: closing a butterfly valve of the feeding hole, opening a butterfly valve connected with a vacuumizing pipe, starting a vacuum pump, and vacuumizing the interior of the mixing cavity, wherein the vacuumizing duration is about 30-60 s;
(4) spraying: according to the weight M of material particles, multiplying the weight M by a proportionality coefficient n, wherein n is 6-35%, calculating the weight M of oil to be sprayed, weighing the weight M of the oil in advance by a liquid adding device, after vacuumizing is finished, operating a driving motor of a stirring shaft at the frequency of 49-51 Hz so as to stir the material through a paddle, simultaneously starting a liquid pump of a pumping pipeline of the liquid adding device, adjusting the rotating speed of the liquid pump so that the pressure of liquid for conveying the oil is controlled to be 0.3-0.6 MPa, spraying the oil on the material particles in a mixing cavity through a first nozzle assembly, controlling the spraying time to be 60-90 s, and finishing spraying;
(5) and (3) vacuum release: the method comprises the following steps of (1) enabling air to slowly enter a mixing cavity by adjusting the opening of a pressure release valve connected with a vacuumizing pipe, controlling the vacuum release time to be 80-110 s, wherein the pressure release valve is a proportional ball valve;
(6) normal pressure guniting/dusting: weighing the meat pulp by corresponding liquid adding equipment, spraying the pasty phagostimulant on the surfaces of material particles in the mixing cavity by a second nozzle assembly, or adding the powdery phagostimulant into the mixing cavity through a feed inlet, uniformly stirring and mixing the powdery phagostimulant and the material particles by a blade, and controlling the time of spraying/dusting to be 60-90 s; when spraying or spraying powder, opening a fan of an exhaust pipe connected with the vacuum pipe, and exhausting air outwards;
(7) discharging: after the guniting/powder spraying is finished, the stirring shaft continues to rotate, the discharge door is opened, discharging is carried out, and the emptying time of the materials is controlled to be 19-21 s;
(8) and (5) continuing to step (1) and starting the next cycle.
When the device works, materials (pet materials) are added into a mixing cavity through a feeding hole by material adding equipment, after feeding is finished, the feeding hole is closed, the interior of the mixing cavity is vacuumized through a vacuum tube, grease with corresponding weight is prepared in advance by liquid adding equipment according to the weight of the added materials, after vacuumizing is finished, liquid grease is sent into a first nozzle assembly by a pumping pipeline, meanwhile, a stirring shaft rotates to roll and stir the materials through a paddle, the grease is sprayed onto the surfaces of the materials by the nozzle assembly, after spraying is finished, the vacuum is slowly released, and the opening degree of the vacuum tube is controlled through a proportional ball valve, so that the grease is pressed into material particles under atmospheric pressure; then spraying meat pulp on the surfaces of the material particles through another pumping pipeline and a second nozzle assembly, or adding a powdery phagostimulant through a feed inlet; and finally, opening and closing the driving mechanism to open the two discharging doors for discharging.
Compared with the prior art, the invention has the beneficial effects that: the full-length discharge door structure can discharge materials quickly without residue; the sealing performance is good, and the vacuum degree is high; due to the design of the oversized double-body access door, the cleaning is quicker; the vacuumizing system and the hot air drying system are controlled separately and do not influence each other; a horizontal double-shaft paddle type mixing mechanism is adopted, two stirring shafts rotate reversely, and materials are stirred by the rotating paddles and are tumbled and mixed at a high speed in a mixing cavity, so that uniform spraying is ensured; the discharge door is positioned at the bottom of the sub-cavity, so that the discharge is convenient after being opened, and the discharge door is convenient to maintain and easy to clean; the complete machine material is 304 stainless steel of food level, and the mixing chamber inner structure is succinctly mostly the welding piece, is the smooth surface with material contact part, does not have sanitary blind area, convenient clearance. The method can quickly and efficiently finish vacuum spraying.
As a further improvement of the invention, the inner wall of each sub-chamber comprises a top arc section, a middle connecting section and a bottom arc section, the arc angle of the top arc section is an acute angle, the arc angle of the bottom arc section is an obtuse angle, and the bottom arc sections of the two sub-chambers are arranged in an intersecting manner; carrying out thin film vapor phase epitaxy on the bottom wall of the mixing cavity, carrying out thin film vapor phase epitaxy on the bottom wall of the mixing cavity; the arc angle of discharge door is 60, and two door body sides all incline to set up about the discharge door, and two door body sides of discharge door all are line contact with the corresponding inner wall of discharge gate. The inside no dead angle design of equipment, the clearance of being convenient for avoids the material to pile up, and full length discharge door, the angle of opening the door 60, quick blowing, low residue.
As a further improvement of the invention, the spraying host is positioned below the mixing cavity and integrally provided with a discharging bin, the discharging door is positioned in the discharging bin, the outer side of the spraying host corresponding to the bottom of the discharging bin is provided with an installation base, the discharging bin comprises an upper conical section and a lower straight cylinder section, the cross-sectional area of the conical section of the discharging bin is gradually increased from top to bottom, a buffer bin is correspondingly arranged below the discharging bin and comprises an upper straight cylinder section and a lower conical section, the cross-sectional area of the conical section of the buffer bin is gradually decreased from top to bottom, and a discharging port is arranged at the bottom of the buffer bin; a plurality of cleaning nozzles connected with the CIP automatic cleaning system are arranged in the mixing chamber, the discharging bin and the buffer bin. The discharged material of the discharging door firstly passes through the discharging bin and then enters the buffer bin, and the materials are automatically discharged without residue.
As a further improvement of the invention, a plurality of support rods are arranged on the stirring shaft in a staggered manner, the support rods are perpendicular to the stirring shaft, the support rods penetrate through the corresponding stirring shaft, the left end and the right end of each support rod are symmetrically distributed on the left side and the right side of the stirring shaft, blades are arranged at the two ends of each support rod, the edges of the blades are arc-shaped, and two adjacent support rods on each stirring shaft are perpendicular to each other; the utility model discloses a spraying machine, including the (mixing) shaft, including the every (mixing) shaft, the (mixing) shaft is all rotated and is supported on the spraying host computer in both ends about, both ends all are provided with the bearing about corresponding every (mixing) shaft on the spraying host computer, outside wherein one end of (mixing) shaft stretches out the spraying host computer, rotary driving mechanism includes two reduction gears, and the reduction gear output stretches out the end transmission with corresponding the (mixing) shaft and is connected, and the reduction gear input all is connected with the driving motor transmission, and driving motor's power is 22kw, 15kw or 8kw, still passes. The double motors are directly connected for transmission, so that the transmission is more stable, and the equipment is cleaner; the double rotors rotate reversely to drive the materials to rotate anticlockwise and turn left and right along the inner wall of the mixing cavity, and the materials lose weight instantaneously at the crossed and overlapped part of the two rotors, so that the materials are ensured to be uniformly sprayed by liquid; two adjacent stay bars on the stirring shaft are mutually perpendicular, blades at two ends of the stay bars are also mutually perpendicular, and the processing of the arc angle of the edge of the blade ensures that the crushing rate of the material is extremely low.
As a further improvement of the invention, the opening and closing driving mechanism comprises two discharging door shafts which are arranged in one-to-one correspondence with the two discharging doors, the discharging door shafts are parallel to the stirring shaft, the left and right ends of the discharging door shafts are rotatably supported on the spraying host machine, the discharging door shafts are fixedly connected with the corresponding discharging doors through at least two support arms, a damping backing plate is arranged between the end parts of the support arms and the discharging doors, one end of each discharging door shaft is connected with a rocker arm, the spraying host machine is provided with an air cylinder bin corresponding to the rocker arm, an air cylinder is hinged in the air cylinder bin, the working end of the air cylinder is hinged with a double-link rocker, the left and right ends of the double-link rocker are hinged with connecting rods; a limit column fixed with the spraying host is correspondingly arranged above the double-connection rocker; the spraying host computer is provided with a cylinder bin access door capable of shielding the cylinder bin, and the two cylinder bin access doors are symmetrically arranged on the left and right. The cylinder drives the doubly-linked rocker to swing, the doubly-linked rocker drives the two connecting rods to swing respectively, and the two connecting rods drive the two discharging door shafts to rotate respectively, so that the function of driving the discharging door to open and close is achieved; the synchronous opening and closing action of the double discharge doors is guaranteed, the action consistency is kept, the stretching of the air cylinder is controlled through electromagnetic valve action signals, so that the discharge doors are opened and closed, and a feedback signal is generated when the door body is opened and closed in place.
As a further improvement of the invention, the side surface of the vacuum tube is connected with a quick-release return air pipeline, the other end of the quick-release return air pipeline is communicated with the inside of the mixing cavity, the end part of the vacuum tube is connected with the inlet of the oil mist filter through a pipeline I, the pipeline I is respectively provided with a negative pressure gauge, a pressure transmitter and a pressure release valve, the bottom of the oil mist filter is provided with a sewage discharge outlet, the outlet of the oil mist filter is connected with a front pipeline through a flange, the other end of the front pipeline is connected with a tee joint, the right end of the tee joint is connected with a main pipeline, the upper end of the tee joint is connected with an exhaust pipe, the end part of the exhaust pipe is connected with a fan, the main pipeline is provided with a butterfly valve, the rear end of the; in the step (3), before the mixing chamber is vacuumized, the interior of the oil mist filter is pumped into negative pressure by a vacuum pump, and the oil mist filter is kept in the negative pressure by closing a butterfly valve on a main pipeline. The oil stain filter can filter oil and dust generated during vacuumizing, when the vacuum pump is used for vacuumizing the mixing cavity, the vacuum pump needs a certain time to pump out air in the mixing cavity due to the fact that the pipeline is long and the vacuum pump needs starting time, the oil stain filter can be used for storing pressure and keeping negative pressure, when the vacuum pump needs vacuumizing, a butterfly valve on a main pipeline is opened, and the oil stain filter can quickly pump out air in the spraying host machine; when the vacuum needs to be released, the pressure release valve preferably selects a proportional ball valve, the opening of the pressure release valve can be adjusted, the vacuum is slowly released, and air gradually enters the mixing cavity; after the vacuum is completely released, the fan exhausts the air of the mixing cavity, the condensed water in the mixing cavity is reduced to form drops after being condensed, and the drops drop on material particles to influence the mildew of the material.
As a further improvement of the invention, the side surface of the hot air drying pipe is connected with a quick-release return air pipeline, the other end of the quick-release return air pipeline is communicated with the inner part of the mixing cavity, the end part of the hot air drying pipe is connected with a hot air pipe, the front end of the hot air pipe is connected with an electric heating plate type heat exchanger, the electric heating plate type heat exchanger is connected with an air quantity adjustable fan through a pipeline, and the air quantity adjustable fan is connected with an air filter through a pipeline. The return air flow of the return air pipeline is more stable, and the quick-release return air pipeline is more convenient to maintain; the vacuumizing and hot air drying systems are controlled separately; after spraying a period, wash spraying host computer inside through CIP self-cleaning system, then rethread hot-blast drying pipe is to the inside stoving heating of spraying host computer, avoids leading to bacterial growing because of moisture remains.
As a further improvement of the invention, the first nozzle assembly comprises ten nozzles arranged on the left side of the feed port, each nozzle on the left side is connected with a corresponding pumping pipeline, the second nozzle assembly comprises ten nozzles arranged on the right side of the feed port, and each nozzle on the right side is connected with a corresponding pumping pipeline; the spraying port of the nozzle is provided with a V-shaped groove, and the included angle between the axis of the spraying port of the nozzle and the horizontal plane of the mixing cavity is 15 degrees. The accuracy and the uniformity of liquid spraying are good; the liquid adding proportion range is large, and different adding amount requirements can be met.
As a further improvement of the invention, the first nozzle assembly is connected with a pumping pipeline positioned above the first nozzle assembly, the first nozzle assembly comprises a first left branch pipe, a first right branch pipe and a second right branch pipe, six nozzles are arranged on the first left branch pipe, and four nozzles are arranged on the first right branch pipe and the second right branch pipe; the second nozzle assembly is connected with a pumping pipeline positioned below the second nozzle assembly, the second nozzle assembly comprises a left branch pipe II and a right branch pipe III, four nozzles are arranged on the left branch pipe II, two nozzles are arranged on the right branch pipe III, the left branch pipe II is arranged corresponding to the left branch pipe I, and the right branch pipe III is arranged corresponding to the right branch pipe I and the right branch pipe II; the spraying port of the nozzle is provided with a V-shaped groove, and the included angle between the axis of the spraying port of the nozzle and the horizontal plane of the mixing cavity is 15 degrees. The inclination angle of the nozzles enables the spray between the left and right nozzles to spray all the materials thrown upwards, in the middle of the mixing cavity and on the two stirring shaft blades, and the adjacent sprays are overlapped, so that a better spraying effect is achieved; the 10 nozzles on the left side and the right side can be configured with different addition amounts and used according to actual needs; and a plurality of groups of inclined pressure atomizing nozzles which are reasonably arranged are matched to ensure that the coefficient of variation CV value of the spraying uniformity is less than or equal to 5 percent.
As a further improvement of the invention, the liquid adding equipment comprises a daily tank, the daily tank is connected with a batch tank through a pipeline, the batch tank is connected with a weighing tank through a pipeline, the weighing tank is connected with a buffer tank through a pipeline, and the buffer tank is connected with a pumping pipeline; the material adding equipment is a weightless scale and a batching scale which are matched. The daily tank can ensure the liquid dosage in one day, prevent the device from being incapable of supplying liquid during maintenance, and can send the required liquid into the pumping pipeline through the weighing tank.
Drawings
Fig. 1 is a working principle diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic structural diagram of the vacuum pumping system.
Fig. 4 is a schematic structural diagram of a hot air drying system.
Fig. 5 is a three-dimensional structure diagram of the spraying host of the invention.
Fig. 6 is a schematic structural view of the cylinder chamber of the present invention.
Fig. 7 is a cross-sectional view of the present invention.
FIG. 8 is a schematic view of a double stirring shaft.
Fig. 9 is a schematic structural view of the discharge door of the present invention.
Fig. 10 is a perspective view of the discharge door.
Fig. 11 is a side view of the exit door.
FIG. 12 is a schematic view of the weighing tank and the buffer tank.
FIG. 13 is another schematic illustration of the first nozzle assembly and the second nozzle assembly of the present invention.
Fig. 14 is a top view of fig. 13.
Wherein, 1 spraying host computer, 101 mixing chamber, 101a chambered, 101a1 top arc segment, 101a2 middle connecting segment, 101a3 bottom arc segment, 102 discharging bin, 103 buffer bin, 2 feeding inlet, 3 stirring shaft, 4 brace rod, 5 paddle, 6 decelerator, 7 driving motor, 8 coupling, 9 discharging outlet, 10 discharging door, 10a door side, 11 vacuum tube, 11a quick-release return air duct, 12 hot air drying tube, 12a quick-release return air duct, 13 nozzle component, pumping pipeline above 1301, 1301a left branch pipe I, 1301b right branch pipe I, 1301c right branch pipe II, 1302 lower pumping pipeline, 1302a left branch pipe II, 1302b right branch pipe III, 14 bearing, 15 discharging door shaft, 16 support arm, 17 damping cushion plate, 18 rocker arm, 19 cylinder, 20 cylinder, 21 double-linked rocker, 22 connecting rod, 23 spacing column, 24 cylinder bin maintenance door, 25 machine body access doors, 26 nozzles, 27 mounting bases, 28 cleaning nozzles, 29 pumping pipelines, 30 liquid adding equipment, 31 pipeline I, 31a negative pressure gauge, 31b pressure transmitter, 31c pressure release valve,
32 oil mist filter, 32a sewage outlet, 33 front pipeline, 34 exhaust pipe, 35 blower, 36 butterfly valve, 37 main pipeline, 38 branch pipeline, 39 manual ball valve, 40 tee joint, 41 vacuum pump, 42 hot blast pipe, 43 electric heating plate type heat exchanger, 44 air filter, 45 weighing tank and 46 buffer tank.
Detailed Description
Example 1
The automatic vacuum spraying process method of the embodiment, as shown in fig. 1-12, includes a spraying host 1, a feeding port 2 is arranged at the top of the spraying host 1, a mixing chamber 101 is arranged inside the spraying host 1, a discharging port 9 is arranged at the bottom of the spraying host 1, butterfly valves 36 are arranged at the feeding port 2 and the discharging port 9, the mixing chamber 101 includes two bilaterally symmetrical sub-chambers 101a, a stirring shaft 3 is rotatably arranged in each of the two sub-chambers 101a, the stirring shaft 3 is parallel to the length direction of the sub-chamber 101a of the spraying host 1, a plurality of blades 5 are staggeredly arranged on the stirring shaft 3, the blades 5 on the two stirring shafts 3 are staggeredly arranged along the circumferential direction, the two stirring shafts 3 are in transmission connection with a rotation driving mechanism, the discharging ports 9 are arranged at the bottoms of the sub-chambers 101a of the, the two discharge doors 10 are in transmission connection with an opening and closing driving mechanism, the discharge doors 10 are arc-shaped along the cross section perpendicular to the stirring shaft 3, the arc angle of the discharge doors 10 ranges from 59 degrees to 61 degrees, openable machine body access doors 25 are arranged on the left side and the right side of the spraying host 1, a vacuum tube 11 communicated with the mixing cavity 101 and a hot air drying tube 12 communicated with the mixing cavity 101 are arranged on the upper side of the spraying host 1, a first nozzle assembly 13 and a second nozzle assembly 13 communicated with the mixing cavity 101 are arranged at the top of the spraying host 1, the first nozzle assembly 13 and the second nozzle assembly 13 are respectively connected with a pumping pipeline 29, and the head end of the pumping pipeline 29 is connected with a liquid adding device 30; a material adding device is correspondingly arranged above the feeding hole 2, and a weighing sensor is arranged on the material adding device;
in order to ensure that no dead angle exists in the mixing cavity 101, the inner wall of the sub-cavity 101a comprises a top arc-shaped section 101a1, a middle connecting section 101a2 and a bottom arc-shaped section 101a3, the arc-shaped angle of the top arc-shaped section 101a1 is an acute angle, the arc-shaped angle of the bottom arc-shaped section 101a3 is an obtuse angle, and the bottom arc-shaped sections 101a3 of the two sub-cavities 101a are arranged in an intersecting manner; carrying out thin film forging on the bottom wall of the mixing cavity 101 at a height of 160mm above the stirring shaft 3, wherein the total volume of the mixing cavity 101 is 2.30-2.36 m, the volume of the mixing cavity 101 from the bottom wall of the mixing cavity 101 to the upper side part of the stirring shaft 3 is 1.1-1.14 m, the volume of the mixing cavity 101 from the bottom wall of the mixing cavity 101 to the position with the height of 160mm above the stirring shaft 3 is 1.5-1.506 m, and the volume of the mixing cavity 101 from the bottom wall of the mixing cavity 101 to the lower edge part of the machine body inspection door 25 is 1.; the arc angle of discharge door 10 is 60, and two door body sides 10a all incline to set up about discharge door 10, and two door body sides 10a of discharge door 10 all are line contact with the corresponding inner wall of discharge gate 9. The full-length discharge door realizes quick discharge and low residue.
In order to ensure that the material discharged from the discharge hole 9 automatically falls without residue; a discharge bin 102 is integrally arranged below the mixing cavity 101 of the spraying host 1, a discharge door 10 is arranged in the discharge bin 102, a mounting base 27 is arranged on the outer side of the spraying host 1 corresponding to the bottom of the discharge bin 102, the discharge bin 102 comprises an upper conical section and a lower straight cylinder section, the cross-sectional area of the conical section of the discharge bin 102 is gradually increased from top to bottom, a buffer storage bin 103 is correspondingly arranged below the discharge bin 102, the buffer storage bin 103 comprises an upper straight cylinder section and a lower conical section, the cross-sectional area of the conical section of the buffer storage bin 103 is gradually decreased from top to bottom, and a discharge port 9 is arranged at the bottom of the buffer storage bin 103; a plurality of cleaning nozzles 28 connected with the CIP automatic cleaning system are arranged in the mixing chamber 101, the discharging bin 102 and the storing bin 103.
A plurality of support rods 4 are arranged on the stirring shaft 3 in a staggered manner, the support rods 4 are perpendicular to the stirring shaft 3, the support rods 4 penetrate through the corresponding stirring shaft 3, the left end and the right end of each support rod 4 are symmetrically distributed on the left side and the right side of the stirring shaft 3, blades 5 are arranged at the two ends of each support rod 4, the edges of the blades 5 are arc-shaped, and two adjacent support rods 4 on each stirring shaft 3 are perpendicular to each other; both ends all rotate to support on spraying host computer 1 about (mixing) shaft 3, and both ends all are provided with bearing 14 about corresponding every (mixing) shaft 3 on spraying host computer 1, outside spraying host computer 1 is stretched out to one of them end of (mixing) shaft 3, rotary drive mechanism includes two reduction gears 6, and the reduction gear 6 output is connected with the end transmission that corresponds (mixing) shaft 3 and stretches out, and reduction gear 6 input all is connected with driving motor 7 transmission, and driving motor 7's power is 22kw, 15kw or 8kw, still passes through shaft coupling 8 looks transmission connection between two reduction gears 6. The double motors are directly connected for transmission, so that the transmission is more stable, and the equipment is cleaner; the double rotors rotate reversely to drive the materials to rotate anticlockwise and turn left and right along the inner wall of the mixing cavity 101, and the materials lose weight instantaneously at the crossed and overlapped part of the two rotors, so that the materials are ensured to be uniformly sprayed by liquid; the arc angle of the edge of the paddle 5 is processed, so that the extremely low breakage rate of the material is ensured.
The opening and closing driving mechanism comprises two discharging door shafts 15 which are arranged in one-to-one correspondence with the two discharging doors 10, the discharging door shafts 15 are parallel to the stirring shaft 3, the left end and the right end of each discharging door shaft 15 are rotatably supported on the spraying host machine 1, each discharging door shaft 15 is fixedly connected with the corresponding discharging door 10 through at least two support arms 16, a damping base plate 17 is arranged between the end part of each support arm 16 and the corresponding discharging door 10, one end of each discharging door shaft 15 is connected with a rocker arm 18, the spraying host machine 1 is provided with an air cylinder bin 19 corresponding to the rocker arm 18, an air cylinder 20 is hinged in the air cylinder bin 19, the working end of each air cylinder 20 is hinged with a double-link rocker 21, the left end and the right end of each double-link rocker 21 are hinged with; a limit column 23 fixed with the spraying host 1 is correspondingly arranged above the double-connection rocker 21; the spraying host machine 1 is provided with two cylinder chamber access doors 24 capable of shielding the cylinder chambers 19, and the two cylinder chamber access doors 24 are arranged in bilateral symmetry. The cylinder 20 drives the double-link rocker 21 to swing, and the two connecting rods 22 respectively drive the two discharging door shafts 15 to rotate, so that the discharging door 10 is driven to open and close; the synchronous opening and closing action of the double discharging doors 10 is ensured.
In order to prevent the vacuumizing time from being too long, the oil stain filter is stored as pressure, and negative pressure is kept; the side surface of the vacuum tube 11 is connected with a quick-release return air pipeline 11a, the other end of the quick-release return air pipeline 11a is communicated with the interior of the mixing cavity 101, the end part of the vacuum tube 11 is connected with the inlet of the oil mist filter 32 through a pipeline one 31, the pipeline one 31 is respectively provided with a negative pressure gauge 31a, the device comprises a pressure transmitter 31b and a pressure release valve 31c, wherein the bottom of an oil mist filter 32 is provided with a sewage discharge port 32a, the outlet of the oil mist filter 32 is connected with a front pipeline 33 through a flange, the other end of the front pipeline 33 is connected with a tee joint 40, the right end of the tee joint 40 is connected with a main pipeline 37, the upper end of the tee joint 40 is connected with an exhaust pipe 34, the end part of the exhaust pipe 34 is connected with a fan 35, the main pipeline 37 is provided with a butterfly valve 36, the rear end of the main pipeline 37 is connected with the tee joint 40, the left end and the right end of the tee joint 40 are both connected with branch pipelines 38, the; in the step (3), before the mixing chamber 101 is evacuated, the inside of the oil mist filter 32 is evacuated to a negative pressure by the vacuum pump 41, and the oil mist filter 32 is kept at the negative pressure by closing the butterfly valve on the main pipe 37.
In order to ensure good accuracy and uniformity of liquid spraying; the liquid adding proportion range is wide, the first nozzle assembly 13 comprises ten nozzles 26 arranged on the left side of the feed port 2, each nozzle 26 on the left side is connected with a corresponding pumping pipeline 29, the second nozzle assembly 13 comprises ten nozzles 26 arranged on the right side of the feed port 2, and each nozzle 26 on the right side is connected with a corresponding pumping pipeline 29; a V-shaped groove is arranged at the spray outlet of the nozzle 26, and the angle between the spray outlet axis of the nozzle 26 and the horizontal plane of the mixing cavity 101 is 15 degrees.
In order to ensure the normal operation of the spraying system and prevent the device from being incapable of supplying liquid during maintenance, the liquid adding device 30 comprises a daily tank, the daily tank is connected with a batch tank through a pipeline, the batch tank is connected with a weighing tank 45 through a pipeline, the weighing tank 45 is connected with a buffer tank 46 through a pipeline, and the buffer tank 46 is connected with a pumping pipeline 29; the material adding equipment is a weightless scale and a batching scale which are matched.
The process method of the embodiment comprises the following steps:
(1) self-checking: carrying out self-checking reset on a weighing sensor of the material adding equipment, wherein the reset time is 5 s;
(2) feeding: the material adding equipment weighs 520kg of material particles, the material is a puffed aquatic material, the size of the material particles is 6-18 mm, and the volume weight of the material particles is 0.3-0.7 t/m3Adding material particles into the mixing cavity 101 through the feed port 2, wherein when the butterfly valve 36 of the feed port 2 is opened, the driving motor 7 of the stirring shaft 3 starts to run at the motor frequency of 35Hz, and the feeding process lasts for 20 s;
(3) vacuumizing: closing the butterfly valve 36 of the feed port 2, opening a butterfly valve connected with the vacuumizing pipe 11, starting the vacuum pump 41, vacuumizing the interior of the mixing cavity 101 to 0.1bar, wherein the duration of the vacuumizing is about 45 s;
(4) spraying: according to the weight 520kg of material particles, multiplying the weight 520kg by a proportionality coefficient by 20%, calculating the weight 104kg of grease to be sprayed, weighing the weight 104kg of grease in advance by the liquid adding device 30, after vacuumizing is finished, operating the driving motor 7 of the stirring shaft 3 at the frequency of 50Hz so as to stir the material by the paddle 5, simultaneously starting a liquid pump of a pumping pipeline 29 of the liquid adding device 30, adjusting the rotating speed of the liquid pump so that the pressure of liquid for conveying the grease is controlled to be 0.45MPa, spraying the grease on the material particles in the mixing cavity 101 by the first nozzle assembly 13, controlling the spraying time to be 75s, and finishing spraying;
(5) and (3) vacuum release: the opening of a pressure release valve 31c connected with the vacuumizing pipe 11 is adjusted, so that air slowly enters the mixing cavity 101, the vacuum release time is controlled to be 95s, and the pressure release valve 31c is a proportional ball valve;
(6) normal pressure guniting/dusting: weighing meat pulp by the corresponding liquid adding equipment 30, spraying the pulp-shaped phagostimulant on the surfaces of the material particles in the mixing cavity 101 by the second nozzle assembly 13, and controlling the spraying time to be 75 s; when spraying/dusting, the fan 35 of the exhaust pipe 34 connected with the vacuum pipe 11 is opened to exhaust air outwards;
(7) discharging: after the guniting/powder spraying is finished, the stirring shaft 3 continues to rotate, the discharge door 10 is opened, discharging is carried out, and the emptying time of the materials is controlled to be 20 s;
(8) and (5) continuing to step (1) and starting the next cycle.
Through detection, the average oil content of the material after vacuum spraying is 24.4%, and the spraying uniformity CV value is 4.9%.
The side of the hot air drying pipe 12 is connected with a quick-release return air pipeline 12a, the other end of the quick-release return air pipeline 12a is communicated with the inside of the mixing chamber 101, the end of the hot air drying pipe 12 is connected with a hot air pipe 42, the front end of the hot air pipe 42 is connected with an electric heating plate type heat exchanger 43, the electric heating plate type heat exchanger 43 is connected with an air quantity adjustable fan 35 through a pipeline, and the air quantity adjustable fan 35 is connected with an air filter 44 through a pipeline. After spraying a period, wash spraying host computer 1 inside through CIP self-cleaning system, then rethread hot-blast drying pipe 12 is to the inside stoving heating of spraying host computer 1, avoids leading to bacterial growing because of moisture remains.
Example 2
The difference from embodiment 1 is that, as shown in fig. 13 and 14, the first nozzle assembly 13 is connected to the pumping line 1301 positioned above, the first nozzle assembly 13 includes a left branch pipe 1301a, a right branch pipe 1301b and a right branch pipe 1301c, six nozzles 26 are provided on the left branch pipe 1301a, and four nozzles 26 are provided on each of the right branch pipe 1301b and the right branch pipe 1301 c; the second nozzle assembly 13 is connected with the pumping pipeline 1302 positioned below, the second nozzle assembly 13 comprises a left branch pipe two 1302a and a right branch pipe three 1302b, four nozzles 26 are arranged on the left branch pipe two 1302a, two nozzles 26 are arranged on the right branch pipe three 1302b, the left branch pipe two 1302a is arranged corresponding to the left branch pipe one 1301a, and the right branch pipe three 1302b is arranged corresponding to the right branch pipe one 1301b and the right branch pipe two 1301 c; a V-shaped groove is arranged at the spray outlet of the nozzle 26, and the angle between the spray outlet axis of the nozzle 26 and the horizontal plane of the mixing cavity 101 is 15 degrees. The inclination angle of the nozzles 26 ensures that the spray between the nozzles 26 at the left side and the right side can spray all the materials thrown upwards and in the middle of the mixing cavity 101 and on the blades 5 of the stirring shaft 3, and the adjacent sprays are overlapped to achieve a better spraying effect; the 10 nozzles 26 on the left side and the right side can be configured with different addition amounts and can be used according to actual needs; and a plurality of groups of inclined pressure atomizing nozzles which are reasonably arranged are matched to ensure that the coefficient of variation CV value of the spraying uniformity is less than or equal to 5 percent.
The process method of the embodiment comprises the following steps:
(1) self-checking: the weighing sensor of the material adding equipment is subjected to self-checking reset, and the reset time is 4 s;
(2) feeding: the material adding equipment is used for weighing 520kg of material particles, the material is a special-shaped pet material, the size of the material particles is 6-18 mm, and the volume weight of the material particles is 0.3-0.7 t/m3Adding material particles into the mixing cavity 101 through the feed port 2, wherein when the butterfly valve 36 of the feed port 2 is opened, the driving motor 7 of the stirring shaft 3 starts to run at the motor frequency of 38Hz, and the feeding process lasts for 20 s;
(3) vacuumizing: closing the butterfly valve 36 of the feed port 2, opening a butterfly valve connected with the vacuumizing pipe 11, starting the vacuum pump 41, vacuumizing the interior of the mixing cavity 101 to 0.1bar, wherein the duration of the vacuumizing is about 60 s;
(4) spraying: according to the weight 520kg of material particles, multiplying the weight 520kg by a proportionality coefficient 13%, calculating the weight 67.6kg of grease to be sprayed, weighing the weight 67.6kg of the grease in advance by the liquid adding device 30, after vacuumizing is finished, operating the driving motor 7 of the stirring shaft 3 at a frequency of 49Hz so as to stir the material by the paddle 5, simultaneously starting the liquid pump of the pumping pipeline 29 of the liquid adding device 30, adjusting the rotating speed of the liquid pump so that the pressure of the liquid for conveying the grease is controlled to be 0.3Mpa, spraying the grease on the material particles in the mixing cavity 101 by the first nozzle assembly 13, controlling the spraying time to be 90s, and finishing spraying;
(5) and (3) vacuum release: the opening of a pressure release valve 31c connected with the vacuumizing pipe 11 is adjusted, so that air slowly enters the mixing cavity 101, the vacuum release time is controlled to be 80s, and the pressure release valve 31c is a proportional ball valve;
(6) normal pressure guniting/dusting: adding the powdery phagostimulant into the mixing cavity 101 through the feeding hole 2, and uniformly stirring and mixing the powdery phagostimulant and material particles by the blades 5, wherein the powder spraying time is controlled to be 90 s; when spraying/dusting, the fan 35 of the exhaust pipe 34 connected with the vacuum pipe 11 is opened to exhaust air outwards;
(7) discharging: after the guniting/powder spraying is finished, the stirring shaft 3 continues to rotate, the discharge door 10 is opened, discharging is carried out, and the emptying time of the materials is controlled to be 20 s;
(8) and (5) continuing to step (1) and starting the next cycle.
Through detection, the average oil content of the material after vacuum spraying is 18.1%, and the CV value of the spraying uniformity is 4.2%.
Example 3
The difference from the embodiment 1 is that the process method of the embodiment includes the following steps:
(1) self-checking: carrying out self-checking reset on a weighing sensor of the material adding equipment, wherein the reset time is 6 s;
(2) feeding: the material adding equipment weighs 500kg of material particlesThe size of the material particles is 6-18 mm, and the volume weight of the material particles is 0.3-0.7 t/m3Adding material particles into the mixing cavity 101 through the feed port 2, wherein when the butterfly valve 36 of the feed port 2 is opened, the driving motor 7 of the stirring shaft 3 starts to run at the motor frequency of 32Hz, and the feeding process lasts for 19 s;
(3) vacuumizing: closing the butterfly valve 36 of the feed port 2, opening a butterfly valve connected with the vacuumizing pipe 11, starting the vacuum pump 41, vacuumizing the interior of the mixing cavity 101 to 0.1bar, wherein the duration of the vacuumizing is about 30 s;
(4) spraying: according to the weight of material particles of 500kg, multiplying the weight of 500kg by a proportionality coefficient of 35%, calculating the weight of grease to be sprayed of 175kg, weighing the weight of grease of 175kg in advance by a liquid adding device 30, after vacuumizing is finished, operating a driving motor 7 of a stirring shaft 3 at a frequency of 51Hz so as to stir the material by a paddle 5, simultaneously starting a liquid pump of a pumping pipeline 29 of the liquid adding device 30, adjusting the rotating speed of the liquid pump so that the pressure of liquid for conveying the grease is controlled to be 0.6MPa, spraying the grease on the material particles in a mixing cavity 101 by a first nozzle assembly 13, controlling the spraying time to be 60s, and finishing spraying;
(5) and (3) vacuum release: the opening of a pressure release valve 31c connected with the vacuumizing pipe 11 is adjusted, so that air slowly enters the mixing cavity 101, the vacuum release time is controlled to be 110s, and the pressure release valve 31c is a proportional ball valve;
(6) normal pressure guniting/dusting: meat pulp is weighed by the corresponding liquid adding equipment 30, the pulp-shaped phagostimulant is sprayed on the surfaces of the material particles in the mixing cavity 101 by the second nozzle assembly 13, and the time for spraying is controlled to be 60 s; when spraying/dusting, the fan 35 of the exhaust pipe 34 connected with the vacuum pipe 11 is opened to exhaust air outwards;
(7) discharging: after the guniting/powder spraying is finished, the stirring shaft 3 continues to rotate, the discharge door 10 is opened, discharging is carried out, and the emptying time of the materials is controlled to be 19 s;
(8) and (5) continuing to step (1) and starting the next cycle.
Through detection, the average oil content of the material after vacuum spraying is 27.1%, and the CV value of the spraying uniformity is 4.8%.
Example 4
The difference from the embodiment 1 is that the process method of the embodiment includes the following steps:
(1) self-checking: carrying out self-checking reset on a weighing sensor of the material adding equipment, wherein the reset time is 5 s;
(2) feeding: the material adding equipment is used for weighing 500kg of material particles, the material is a puffed aquatic material, the size of the material particles is 6-18 mm, and the volume weight of the material particles is 0.3-0.7 t/m3Adding material particles into the mixing cavity 101 through the feed port 2, wherein when the butterfly valve 36 of the feed port 2 is opened, the driving motor 7 of the stirring shaft 3 starts to run at the motor frequency of 36Hz, and the feeding process lasts for 21 s;
(3) vacuumizing: closing the butterfly valve 36 of the feed port 2, opening a butterfly valve connected with the vacuumizing pipe 11, starting the vacuum pump 41, vacuumizing the interior of the mixing cavity 101 to 0.1bar, wherein the duration of the vacuumizing is about 40 s;
(4) spraying: according to the weight of material particles of 500kg, multiplying the weight of 500kg by a proportionality coefficient of 6%, calculating the weight of grease to be sprayed of 30kg, weighing the weight of the grease of 30kg in advance by a liquid adding device 30, after vacuumizing is finished, operating a driving motor 7 of a stirring shaft 3 at a frequency of 50Hz so as to stir the material by a paddle 5, simultaneously starting a liquid pump of a pumping pipeline 29 of the liquid adding device 30, adjusting the rotating speed of the liquid pump so that the pressure of liquid for conveying the grease is controlled to be 0.4MPa, spraying the grease on the material particles in a mixing cavity 101 by a first nozzle assembly 13, controlling the spraying time to be 80s, and finishing spraying;
(5) and (3) vacuum release: the opening of a pressure release valve 31c connected with the vacuumizing pipe 11 is adjusted, so that air slowly enters the mixing cavity 101, the vacuum release time is controlled to be 90s, and the pressure release valve 31c is a proportional ball valve;
(6) normal pressure guniting/dusting: weighing meat pulp by the corresponding liquid adding equipment 30, spraying the pulp-shaped phagostimulant on the surfaces of the material particles in the mixing cavity 101 by the second nozzle assembly 13, and controlling the spraying time to be 70 s; when spraying/dusting, the fan 35 of the exhaust pipe 34 connected with the vacuum pipe 11 is opened to exhaust air outwards;
(7) discharging: after the guniting/powder spraying is finished, the stirring shaft 3 continues to rotate, the discharge door 10 is opened, discharging is carried out, and the emptying time of the materials is controlled to be 21 s;
(8) and (5) continuing to step (1) and starting the next cycle.
Through detection, the average oil content of the material after vacuum spraying is 12.5%, and the CV value of the spraying uniformity is 4.3%.
In summary, the spraying proportion is 6-35%, the CV value of the spraying uniformity is less than or equal to 7%, and the requirement of the spraying uniformity is met.
The present invention is not limited to the above-mentioned embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.
Claims (10)
1. An automatic vacuum spraying process method comprises a spraying host machine, wherein a feed inlet is arranged at the top of the spraying host machine, a mixing cavity is arranged inside the spraying host machine, a discharge outlet is arranged at the bottom of the spraying host machine, disc valves are arranged at the feed inlet and the discharge outlet, the mixing cavity comprises two bilaterally symmetrical sub-cavities, a stirring shaft is respectively and rotatably arranged in the two sub-cavities and is parallel to the length direction of the sub-cavities of the spraying host machine, a plurality of blades are staggered on the stirring shaft, the blades on the two stirring shafts are circumferentially staggered, the two stirring shafts are in transmission connection with a rotary driving mechanism, the discharge outlets are respectively arranged at the bottoms of the two sub-cavities of the spraying host machine, discharge doors are correspondingly arranged at the discharge outlets, the two discharge doors are in transmission connection with an opening and closing driving mechanism, and are, the arc angle of the discharge door is 59-61 degrees, openable machine body access doors are arranged on the left side and the right side of the spraying main machine, a vacuum pumping pipe communicated with the mixing cavity and a hot air drying pipe communicated with the mixing cavity are arranged on the upper side of the spraying main machine, a first nozzle assembly and a second nozzle assembly communicated with the mixing cavity are arranged at the top of the spraying main machine, the first nozzle assembly and the second nozzle assembly are respectively connected with a pumping pipeline, and the head end of the pumping pipeline is connected with liquid adding equipment; a material adding device is correspondingly arranged above the feeding hole, and a weighing sensor is arranged on the material adding device;
the method is characterized by comprising the following steps:
(1) self-checking: carrying out self-checking reset on a weighing sensor of the material adding equipment, wherein the reset time is 4-6 s;
(2) feeding: the material adding equipment is used for weighing material particles with the weight of M, the material is puffed aquatic material or special-shaped pet material, the size of the material particles is 6-18 mm, and the volume weight of the material particles is 0.3-0.7 t/M3Adding material particles into a mixing cavity through a feed inlet, wherein when a butterfly valve of the feed inlet is opened, a driving motor of a stirring shaft starts to run at a motor frequency of 32-38 Hz, and the feeding process lasts for 19-21 s;
(3) vacuumizing: closing a butterfly valve of the feeding hole, opening a butterfly valve connected with a vacuumizing pipe, starting a vacuum pump, and vacuumizing the interior of the mixing cavity, wherein the vacuumizing duration is about 30-60 s;
(4) spraying: according to the weight M of material particles, multiplying the weight M by a proportionality coefficient n, wherein n is 6-35%, calculating the weight M of oil to be sprayed, weighing the weight M of the oil in advance by a liquid adding device, after vacuumizing is finished, operating a driving motor of a stirring shaft at the frequency of 49-51 Hz so as to stir the material through a paddle, simultaneously starting a liquid pump of a pumping pipeline of the liquid adding device, adjusting the rotating speed of the liquid pump so that the pressure of liquid for conveying the oil is controlled to be 0.3-0.6 MPa, spraying the oil on the material particles in a mixing cavity through a first nozzle assembly, controlling the spraying time to be 60-90 s, and finishing spraying;
(5) and (3) vacuum release: the method comprises the following steps of (1) enabling air to slowly enter a mixing cavity by adjusting the opening of a pressure release valve connected with a vacuumizing pipe, controlling the vacuum release time to be 80-110 s, wherein the pressure release valve is a proportional ball valve;
(6) normal pressure guniting/dusting: weighing the meat pulp by corresponding liquid adding equipment, spraying the pasty phagostimulant on the surfaces of material particles in the mixing cavity by a second nozzle assembly, or adding the powdery phagostimulant into the mixing cavity through a feed inlet, uniformly stirring and mixing the powdery phagostimulant and the material particles by a blade, and controlling the time of spraying/dusting to be 60-90 s; when spraying or spraying powder, opening a fan of an exhaust pipe connected with the vacuum pipe, and exhausting air outwards;
(7) discharging: after the guniting/powder spraying is finished, the stirring shaft continues to rotate, the discharge door is opened, discharging is carried out, and the emptying time of the materials is controlled to be 19-21 s;
(8) and (5) continuing to step (1) and starting the next cycle.
2. The automatic vacuum spraying system of claim 1, wherein the inner wall of each sub-chamber comprises a top arc section, a middle connecting section and a bottom arc section, the arc angle of the top arc section is an acute angle, the arc angle of the bottom arc section is an obtuse angle, and the bottom arc sections of the two sub-chambers are arranged in an intersecting manner; carrying out thin film vapor phase epitaxy on the bottom wall of the mixing cavity, carrying out thin film vapor phase epitaxy on the bottom wall of the mixing cavity; the arc angle of discharge door is 60, and two door body sides all incline to set up about the discharge door, and two door body sides of discharge door all are line contact with the corresponding inner wall of discharge gate.
3. The automatic vacuum spraying system according to claim 1 or 2, wherein a discharge bin is integrally arranged below the mixing cavity, a discharge door is arranged in the discharge bin, a mounting base is arranged on the outer side of the spraying host corresponding to the bottom of the discharge bin, the discharge bin comprises an upper conical section and a lower straight cylinder section, the cross-sectional area of the conical section of the discharge bin is gradually increased from top to bottom, a buffer bin is correspondingly arranged below the discharge bin, the buffer bin comprises an upper straight cylinder section and a lower conical section, the cross-sectional area of the conical section of the buffer bin is gradually decreased from top to bottom, and a discharge port is arranged at the bottom of the buffer bin; a plurality of cleaning nozzles connected with the CIP automatic cleaning system are arranged in the mixing chamber, the discharging bin and the buffer bin.
4. The automatic vacuum spraying system of claim 1 or 2, wherein a plurality of support rods are arranged on the stirring shaft in a staggered manner, the support rods are perpendicular to the stirring shaft, the support rods are arranged to penetrate through the corresponding stirring shaft, the left end and the right end of each support rod are symmetrically distributed on the left side and the right side of the stirring shaft, blades are arranged at the two ends of each support rod, the edges of the blades are arc-shaped, and two adjacent support rods on each stirring shaft are perpendicular to each other; the utility model discloses a spraying machine, including the (mixing) shaft, including the every (mixing) shaft, the (mixing) shaft is all rotated and is supported on the spraying host computer in both ends about, both ends all are provided with the bearing about corresponding every (mixing) shaft on the spraying host computer, outside wherein one end of (mixing) shaft stretches out the spraying host computer, rotary driving mechanism includes two reduction gears, and the reduction gear output stretches out the end transmission with corresponding the (mixing) shaft and is connected, and the reduction gear input all is connected with the driving motor transmission, and driving motor's power is 22kw, 15kw or 8kw, still passes.
5. The automatic vacuum spraying system according to claim 1 or 2, wherein the opening and closing driving mechanism comprises two discharging door shafts which are arranged in one-to-one correspondence with the two discharging doors, the discharging door shafts are parallel to the stirring shaft, the left and right ends of each discharging door shaft are rotatably supported on the spraying host machine, each discharging door shaft is fixedly connected with the corresponding discharging door through at least two support arms, a damping cushion plate is arranged between the end part of each support arm and each discharging door, one end of each discharging door shaft is connected with a rocker arm, the spraying host machine is provided with an air cylinder bin corresponding to the rocker arm, an air cylinder is hinged in the air cylinder bin, the working end of the air cylinder is hinged with a double-link rocker, the left and right ends of the double-link rocker are hinged with connecting rods, and the other ends of the; a limit column fixed with the spraying host is correspondingly arranged above the double-connection rocker; the spraying host computer is provided with a cylinder bin access door capable of shielding the cylinder bin, and the two cylinder bin access doors are symmetrically arranged on the left and right.
6. An automated vacuum coating system according to claim 1 or 2, the side surface of the vacuum tube is connected with a quick-release return air pipeline, the other end of the quick-release return air pipeline is communicated with the inside of the mixing cavity, the end part of the vacuum tube is connected with an inlet of the oil mist filter through a pipeline I, a negative pressure gauge, a pressure transmitter and a pressure release valve are respectively arranged on the pipeline I, the bottom of the oil mist filter is provided with a drain outlet, the outlet of the oil mist filter is connected with a front pipeline through a flange, the other end of the front pipeline is connected with a tee joint, the right end of the tee joint is connected with a main pipeline, the upper end of the tee joint is connected with an exhaust pipe, the end part of the exhaust pipe is connected with a fan, the main pipeline is provided with a butterfly valve, the rear end of the main pipeline is connected with a tee joint, the left end and the right end of the tee joint are both connected with branch pipelines, manual ball valves are arranged on the branch pipelines, and the end parts of the branch pipelines are both connected with vacuum pumps; in the step (3), before the mixing chamber is vacuumized, the interior of the oil mist filter is pumped into negative pressure by a vacuum pump, and the oil mist filter is kept in the negative pressure by closing a butterfly valve on a main pipeline.
7. The automatic vacuum spraying system of claim 1 or 2, wherein a quick-release air return pipeline is connected to a side surface of the hot air drying pipe, the other end of the quick-release air return pipeline is communicated with the inside of the mixing cavity, a hot air pipe is connected to an end portion of the hot air drying pipe, an electric heating plate type heat exchanger is connected to the front end of the hot air pipe, the electric heating plate type heat exchanger is connected with an air quantity adjustable fan through a pipeline, and the air quantity adjustable fan is connected with an air filter through a pipeline.
8. The automated vacuum coating system of claim 1 or 2, wherein the first nozzle assembly comprises ten nozzles disposed on the left side of the feed port, each nozzle on the left side being connected to a corresponding pumping duct, the second nozzle assembly comprises ten nozzles disposed on the right side of the feed port, each nozzle on the right side being connected to a corresponding pumping duct; the spraying port of the nozzle is provided with a V-shaped groove, and the included angle between the axis of the spraying port of the nozzle and the horizontal plane of the mixing cavity is 15 degrees.
9. The automated vacuum coating system according to claim 1 or 2, wherein the first nozzle assembly is connected to the pumping line located above, the first nozzle assembly comprises a first left branch pipe, a first right branch pipe and a second right branch pipe, six nozzles are arranged on the first left branch pipe, and four nozzles are arranged on each of the first right branch pipe and the second right branch pipe; the second nozzle assembly is connected with a pumping pipeline positioned below the second nozzle assembly, the second nozzle assembly comprises a left branch pipe II and a right branch pipe III, four nozzles are arranged on the left branch pipe II, two nozzles are arranged on the right branch pipe III, the left branch pipe II is arranged corresponding to the left branch pipe I, and the right branch pipe III is arranged corresponding to the right branch pipe I and the right branch pipe II; the spraying port of the nozzle is provided with a V-shaped groove, and the included angle between the axis of the spraying port of the nozzle and the horizontal plane of the mixing cavity is 15 degrees.
10. The automated vacuum coating system of claim 1 or 2, wherein the liquid adding device comprises a day tank, the day tank is connected with a batch tank through a pipeline, the batch tank is connected with a weighing tank through a pipeline, the weighing tank is connected with a buffer tank through a pipeline, and the buffer tank is connected with a pumping pipeline; the material adding equipment is a weightless scale and a batching scale which are matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911189240.XA CN110917938A (en) | 2019-11-28 | 2019-11-28 | Automatic vacuum spraying process method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911189240.XA CN110917938A (en) | 2019-11-28 | 2019-11-28 | Automatic vacuum spraying process method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110917938A true CN110917938A (en) | 2020-03-27 |
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Cited By (6)
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| CN111631418A (en) * | 2020-06-28 | 2020-09-08 | 磐石自动化系统（深圳）有限公司 | Add equipment |
| CN112755894A (en) * | 2020-12-21 | 2021-05-07 | 福建粤海饲料有限公司 | Vacuum spraying device for processing marine fish feed |
| CN113856553A (en) * | 2021-06-30 | 2021-12-31 | 沪东中华造船(集团)有限公司 | Feeding device with adjustable proportion |
| CN114800292A (en) * | 2022-04-29 | 2022-07-29 | 江苏大田阀门制造有限公司 | Regulating valve of dry-wet dual-purpose energy-saving sand blasting equipment |
| WO2022256508A1 (en) * | 2021-06-03 | 2022-12-08 | Provisur Technologies, Inc. | Mixer |
| CN117732629A (en) * | 2024-02-19 | 2024-03-22 | 启东达沃克工具有限公司 | Backflow type spraying machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111631418A (en) * | 2020-06-28 | 2020-09-08 | 磐石自动化系统（深圳）有限公司 | Add equipment |
| CN112755894A (en) * | 2020-12-21 | 2021-05-07 | 福建粤海饲料有限公司 | Vacuum spraying device for processing marine fish feed |
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| WO2022256508A1 (en) * | 2021-06-03 | 2022-12-08 | Provisur Technologies, Inc. | Mixer |
| CN113856553A (en) * | 2021-06-30 | 2021-12-31 | 沪东中华造船(集团)有限公司 | Feeding device with adjustable proportion |
| CN114800292A (en) * | 2022-04-29 | 2022-07-29 | 江苏大田阀门制造有限公司 | Regulating valve of dry-wet dual-purpose energy-saving sand blasting equipment |
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| CN117732629A (en) * | 2024-02-19 | 2024-03-22 | 启东达沃克工具有限公司 | Backflow type spraying machine |
| CN117732629B (en) * | 2024-02-19 | 2024-04-23 | 启东达沃克工具有限公司 | Backflow type spraying machine |
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Application publication date: 20200327 |