CN102763774B - Hot-air drying processing technique of pet food - Google Patents
Hot-air drying processing technique of pet food Download PDFInfo
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- CN102763774B CN102763774B CN201210258367.4A CN201210258367A CN102763774B CN 102763774 B CN102763774 B CN 102763774B CN 201210258367 A CN201210258367 A CN 201210258367A CN 102763774 B CN102763774 B CN 102763774B
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Abstract
The invention discloses a hot-air drying processing technique of pet food. The hot-air drying processing technique of pet food includes steps of preparing, setting on plates, hot-air drying, bagging and sealing up for storage, and the like. The hot-air drying processing technique of pet food has the advantages that processing efficiency of pet food is improved, processing period is shortened, manual input is reduced, autoclaving process is omitted, fixed investment is reduced, heat consumption and labor input are reduced, labor intensity is reduced, heat loss is also reduced, and potential cross contamination and the like in processing are avoided.
Description
The application is that patent name is the divisional application of " a kind of Pet food heated-air drying processing technological process and drying unit thereof ", and the applying date of original application is on October 09th, 2008, and application number is 200810157635.7.
Technical field
The present invention relates to a kind of food drying equipment, especially a kind of pet food drying unit.
Background technology
Existing Pet food heated-air drying processing technological process, its step is as follows: 1, raw meat is checked and accepted: purchase through the qualified raw material poultry of inspection and quarantine or artiodactyl meat, and have relevant verification of conformity.After factory, tested by company's quality inspection personnel, warehousing after passing stores; 2, thaw: the raw meat that produced the same day is placed on the shelf of thawing room, the temperature of thawing room is between controlling 0-4 ℃; 3, batching: according to formula, various supplementary materials are weighed up, be placed in container; 4, tumbling: the good supplementary material of proportioning is thrown in tumbler, and the time is carried out tumbling according to the rules; 5, moulding: good tumbling carried out to shaping according to customer requirement to raw meat; 6, balance: the semi-finished product of moulding are evenly placed on net dish, and the net dish after occupying is placed on handcart; 7, heated-air drying: will fill in half-finished handcart propelling drying room and carry out heated-air drying, and with hot blast, the semi-finished product on handcart will be dried; 8, off line cooling: dried semi-finished product to be taken off from net dish, put into plastic crate naturally cooling; 9, dress inner bag: according to client's specification requirement, pack qualified product after dry into inner bag; 10, gold is visited: all products are all crossed metal detector; 11, sealing: gold is visited to qualified product and seal; 12, high temperature sterilization: in high temperature sterilization still, carry out sterilization, pressure 0.18mpa, sterilization 30 minutes, realizes protein denaturation (killing possible virus) and sterilizing at 121 ℃; 13, wipe surfaces moisture: the water that after sterilization, sack outer surface adheres to is wiped; 14, dress outer bag: product is packed into color bag; 15, sealing: sealing machine is sealed outer bag; 16, vanning: require qualified product to put into carton according to client's specification weight, seal warehouse-in with adhesive tape and store.
Above-mentioned processing step all carries out in workshop, drying room is also arranged in workshop, in order to guarantee the quality of product and the requirement of hygienic quality, above-mentioned processing step all carries out in a large workshop, whole workshop import department arranges dressing cubicle, staff wears work clothes and carries out work, only for health, whole workshop is carried out to the division of functional areas, the division of He Shu area, Ru Sheng district, or both are carried out to appropriate isolation with cutting off, but be still provided with import and export between the two, therefore remain in fact connection, the cross-infection that this situation is unavoidably brought because of air and flow of personnel, reduce the sanitary condition in ripe district, be difficult to effectively guarantee the final mass of product.
In its technological method for processing, most important step is heated-air drying step, and the quality of heated-air drying directly has influence on the quality of final products, and the equipment in this step is mainly drying room, its structure is as follows: the wide 1.2m of drying tunnel, and long 15m, with the light body plate making of polyurethane material, surrounding sealing, opens the door in two ends.It is radiator that steam heat abstractor is installed in top, drying tunnel one end, with circulation air-supply in axial flow blower.The other end has hydrofuge gas port.
The defect that existing processing technology exists:
1, because drying room only has the top of one end, heat abstractor is installed, the therefore non-uniform temperature in drying room, the below air quantity of heat sink arrangement is large, temperature is high, and discrete heat device local air quantity far away is less, temperature is lower.Because drying room wind flow is inhomogeneous, drying room temperature is unbalanced, consistent for degree of drying, need the handcart in drying tunnel to be moveed backward in every 2 hours, frequently open the door, temperature in drying room is the highest can only be controlled at 60 ℃ of left and right, and average every batch of product will be dried more than 15 hours.At this temperature, just can not be to there being potential virus to kill in raw meat, and can not avoid air cross pollution of opening and shaft in the process of reversing, therefore we just must carry out two-stage sterilization sterilization with sterilization kettle again.Reversing process is opened drying tunnel because of needs, hauls out the labour intensity that fills the handcart of raw material thereby increased workman, has wasted a large amount of heat energy.
2, present drying room is dried out product kill bacteria and virus completely, and microorganism and protein denaturation index do not reach the requirement of importer.
3, present drying room is because temperature is low, causes to be dried out product protein and to there is no sex change, and protein does not meet export standard without sex change.
4, the moisture that present drying room exhaust outlet is discharged is easily sucked by air inlet, has serious cross-contamination issue.
5,, for overcoming the above problems, high-temperature sterilization still must be set.Product dry after in high-temperature sterilization still through 0.18mpa, 30 minutes high-temperature sterilizations at 121 ℃, realize protein denaturation and kill possible virus and sterilizing.Sterilization causes the increases such as cost of labor, water power cost, heat energy cost again.And because this sterilization mode is high temperature sterilization, cause product black, portioned product modification, the quality problems such as dissolve.
6, present processing process is long, step is many, has extended the process-cycle.
Summary of the invention
Problem to be solved by this invention be to provide can make manufacturing procedure simple, improve pet food working (machining) efficiency, a kind of Pet food heated-air drying processing technological process and the drying unit thereof that can improve the quality of products again.
For addressing the above problem, the technical solution used in the present invention is: a kind of Pet food heated-air drying processing technological process, is characterized in that: described process of preparing comprises the following steps:
1), first drying room is arranged in workshop, in the workshop of feeding gate one end by the raw meat warehouse-in stored under refrigeration of acceptance(check), then through thawing, batching, tumbling aftershaping be for subsequent use;
2), balance: the semi-finished product of moulding are evenly placed on net dish, and the net dish after occupying is placed on handcart;
3), heated-air drying: the discharge door of drying room is closed, then open feeding gate, will fill half-finished handcart and advance in drying room, close feeding gate, then carry out heated-air drying, the temperature of heated-air drying is 55 ~ 85 ℃, carries out the discharge of moisture when heated-air drying;
4), off line cooling: open discharge door, handcart is released, while opening discharge door, feeding gate is closed blockade, that is to say that feeding gate blocks as long as discharge door is opened; Feeding gate is opened, and discharge door blocks.Then dried semi-finished product are taken off from net dish, carry out nature cooling;
5), cooled semi-finished product are packed, sealed up for safekeeping.
Be below the further improved technical scheme of technique scheme:
As the further improvement of aforesaid way, the position separation of described workshop between feeding gate and the discharge door of drying room is divided into independent sealing He Shu district of mutual disconnected raw district.
Another kind of improvement, the moisture of discharging in described step is discharged after passing into the container that holds hot water again, and the temperature of hot water is 85 ~ 90 ℃.
The present invention also provides drying unit used in a kind of Pet food heated-air drying processing technological process, it is characterized in that: described drying room is provided with heat abstractor, described heat abstractor comprises radiator and fan blade, described fan blade and Power Drive Unit are in transmission connection, in described drying room, be provided with air inlet duct, described air inlet duct is provided with hot blast import near a side of fan blade, in described drying room, be provided with two blocks of drying channel wallboards that are oppositely arranged, between two blocks of drying channel wallboards, form drying channel, between the drying room wallboard of drying channel wallboard and drying room, form hot air chamber, the bottom of described hot air chamber is provided with the hot-blast outlet being communicated with drying channel, hot blast import is communicated with hot air chamber, described drying room is provided with the discharge duct being communicated with drying channel, the two ends of described drying room are provided with feeding gate and discharge door, the top of described drying room is provided with the inlet channel being communicated with air inlet duct.
The further scheme of above-mentioned drying unit, the top of described drying room is provided with several heat abstractors, and this heat abstractor can guarantee that balanced ventilation in drying tunnel, temperature are even.
Further scheme, the top of described drying room is provided with several discharge ducts being communicated with drying channel.
More a kind of scheme of refinement, described two blocks of drying channel wallboards are obliquely installed, and the cross sectional shape of the drying channel between described two blocks of drying channel wallboards is trapezoidal.
In such scheme, described Power Drive Unit is motor.
In described drying room, be provided with the guard bar for maintenance handcart.
We improve the advantage after technology and equipment:
1, shorten the process-cycle, reduced artificial input.Through actual production measuring and calculating, it is process time of 5-8 hour that average every batch of product can shorten half, product per ton can drop into less 8 artificial.
2, save autoclaving technique, reduced fixed assets investment, reduced thermal energy consumption and artificial input.Drying room temperature equalization, air output are even, have solved workman and must within two hours, fall the drawback of a train, have reduced labour intensity, have also reduced heat-energy losses.
3, can not be simultaneously the door on both sides be opened, solved cross pollution potential in process.
4, the drying room after improving be dried out product can disposable complete kill virus, meet the requirements through its microbiological indicator of detection of producing product.
5, the drying room after improving be dried out product can disposable assurance protein denaturation, meet the requirement of Japanese Agriculture, Forestry and Fisheries Ministry about artiodactyl meat hot-working sanitary standard.
6, the moisture that the drying room exhaust outlet after improvement is discharged first enters in the container instant heating pond of workshop one side, both can be by this partial heat energy comprehensive utilization, avoid again this part moisture to be directly released in air and to cause and may suck ripe district and drying tunnel without the virus of killing, certified products have been polluted.
7, the technique after improvement does not need to use sterilization kettle high temperature sterilization again, it is hereby ensured that dried product colour can not turn black, and has solved the quality problems such as portioned product modification, thawing simultaneously.
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Accompanying drawing explanation
Accompanying drawing 1 is the schematic diagram of workshop in the embodiment of the present invention 1;
Accompanying drawing 2 is the schematic diagram of workshop in the embodiment of the present invention 2;
Accompanying drawing 3 is the structural representation of drying room in the embodiment of the present invention 1;
Accompanying drawing 4 is the structural representation of drying room in the embodiment of the present invention 2;
The structural representation that accompanying drawing 5 is communicated with the container that holds hot water for discharge duct in the embodiment of the present invention;
Accompanying drawing 6 is the structural representation of drying room in the embodiment of the present invention 1;
Accompanying drawing 7 is the structural representation of drying room in the embodiment of the present invention 1;
Accompanying drawing 8 is the structural representation of drying room in the embodiment of the present invention 2.
The specific embodiment
Embodiment 1, a kind of Pet food heated-air drying processing technological process, described process of preparing comprises the following steps: as shown in Figure 1, first 10 drying rooms 1 are arranged in workshop 3a, workshop 3a utilizes the position of 10 drying rooms 1 between feeding gate 5 and discharge door 6 to separate and is divided into independent sealing 31He Shu district of mutual disconnected raw district 32.
Balance: the semi-finished product of moulding are evenly placed on net dish, and the net dish after occupying is placed on handcart; Heated-air drying: the discharge door of drying room 6 is closed, then open feeding gate 5, will fill half-finished handcart and advance in drying room 1, close feeding gate 5, then carry out heated-air drying, the temperature of heated-air drying is 55 ~ 85 ℃, carries out the discharge of moisture when heated-air drying;
Off line cooling: open discharge door 6, at this moment feeding gate 5 is locked, handcart is released, then dried semi-finished product are taken off from net dish, carry out nature cooling; Cooled semi-finished product are packed, sealed up for safekeeping.
The operation that pack is sealed up for safekeeping comprises, packs qualified product after dry into inner bag; Gold is visited: all products are all crossed metal detector; Sealing: gold is visited to qualified product and seal; Dress outer bag: product is packed into color bag; Sealing: sealing machine is sealed outer bag; Vanning: qualified product is put into carton, seal warehouse-in with adhesive tape and store.
Wherein the structure of drying room 1 as shown in Figure 6, drying room 1 is provided with heat abstractor, heat abstractor comprises radiator 15 and fan blade 11, fan blade 11 is that motor 2 is in transmission connection with Power Drive Unit, in drying room 1, be provided with air inlet duct 13, the top that air inlet duct 13 is air inlet duct 13 near a side of fan blade 11 is provided with hot blast import 14, fan blade 11 be can exhausting fan blade, in drying room 1, be provided with two blocks of drying channel wallboards 21 that are oppositely arranged, between two blocks of drying channel wallboards 21, form drying channel 9, two blocks of drying channel wallboards 21 are obliquely installed, the cross sectional shape of the drying channel 9 between two blocks of drying channel wallboards 21 is trapezoidal, handcart 22 is positioned at drying channel 9 and is positioned at below, between the drying room wallboard 7 of drying channel wallboard 21 and drying room 1, form hot air chamber 16, the bottom of hot air chamber 16 is provided with the hot-blast outlet 23 being communicated with drying channel 9, hot blast import 14 is communicated with hot air chamber 16, the two ends of drying room 1 are provided with feeding gate 5 and discharge door 6, the top of drying room 1 is provided with the inlet channel 3 being communicated with air inlet duct 13, the outside of drying room 1 is coated with heat-insulation layer 8.
In drying room 1, be provided with the guard bar 24 for maintenance handcart.
As shown in Figure 7, drying room 1 is provided with the discharge duct 4 being communicated with drying channel 9.
As shown in Figure 3, the top of drying room 1 is provided with six motors 2, the bottom of each motor 2 is connected with the heat abstractor that fan blade 11 and radiator 15 form by reference to the accompanying drawings shown in 6, the corresponding air inlet duct 13 independently of each heat abstractor, each independently air inlet duct 13 is provided with the inlet channel 3 being communicated with air inlet duct 13, the top of drying room 1 is provided with two discharge ducts 4 that are communicated with drying channel 9, each discharge duct 4 all has two pipe branch to be communicated with drying channel 9, and the two ends of drying room 1 are provided with feeding gate 5 and discharge door 6.
As shown in Figure 5, discharge duct 4 is provided with valve 41 and air exhauster 42, and the moisture that discharge duct 4 is discharged by pipeline is discharged after passing into the container 43 that holds hot water again, and the temperature of hot water is 85 ~ 90 ℃.The connected mode of a discharge duct is only shown in figure, and other discharge duct is also communicated with the container that holds hot water.
As shown in Figure 4, the top of drying room 1 is provided with six motors 2, the bottom of each motor 2 is connected with the heat abstractor that fan blade 11 and radiator 15 form by reference to the accompanying drawings shown in 8, each heat abstractor is positioned at air inlet duct 13, air inlet duct 13 is provided with the inlet channel 3 being communicated with air inlet duct 13, the top of drying room 1 is provided with two discharge ducts that are communicated with drying channel 4, and each discharge duct 4 all has two pipe branch to be communicated with drying channel, and the two ends of drying room 1 are provided with feeding gate 5 and discharge door 6.
As shown in Figure 8, drying room 1 is provided with heat abstractor, heat abstractor comprises radiator 15 and fan blade 11, fan blade 11 is that motor 2 is in transmission connection with Power Drive Unit, in drying room 1, be provided with air inlet duct 13, the below of air inlet duct 13 is provided with hot blast import 14, the fan blade of fan blade 11 for blowing downwards, in drying room 1, be provided with two blocks of drying channel wallboards 21 that are oppositely arranged, between two blocks of drying channel wallboards 21, form drying channel 9, two blocks of drying channel wallboards 21 are obliquely installed, the cross sectional shape of the drying channel 9 between two blocks of drying channel wallboards 21 is trapezoidal, handcart 22 is positioned at drying channel 9 and is positioned at below, between the drying room wallboard 7 of drying channel wallboard 21 and drying room 1, form hot air chamber 16, the bottom of hot air chamber 16 is provided with the hot-blast outlet 23 being communicated with drying channel 9, hot blast import 14 is communicated with hot air chamber 16, the two ends of drying room 1 are provided with feeding gate 5 and discharge door 6, the top of drying room 1 is provided with the inlet channel being communicated with air inlet duct 13, the outside of drying room 1 is coated with heat-insulation layer 8, in drying room 1, be provided with the guard bar 24 for maintenance handcart.
The present invention arranges multiple heat abstractors, guarantee the uniformity of air-supply, and take air supply at the bottom, the mode of moisture is discharged on top, with traditional blowing above and two ends air-supply, the mode difference of air draft, the abundant assurance air that arranges in the raw material district of seal isolation and grog district does not circulate mutually, avoid the cross-infection of air, guarantee the quality of food, and the gas of discharging is inserted and in the container that temperature is higher, is carried out sterilization processing, avoid the problem again sucking of circulated air, drying room heated-air drying stage especially in preparation process, when the raw material district of communication seals isolation is different with discharge door with the feeding gate in grog district, open, effectively avoid opening because of feeding gate and discharge door the problem that the air that brings mixes simultaneously.
Claims (5)
1. a Pet food heated-air drying processing technological process, is characterized in that Pet food heated-air drying processing technological process comprises the following steps:
1), first drying room (1) is arranged in workshop (3a), in the workshop of feeding gate (5) one end, acceptance(check) is put in storage freezing raw meat through thawing, batching, tumbling aftershaping, for subsequent use; The position separation of described workshop between feeding gate (5) and the discharge door (6) of drying room (1) is divided into independent sealing mutual disconnected raw district (31) He Shu district (32);
2), balance: the semi-finished product of moulding are evenly placed on net dish, and the net dish after occupying is placed on handcart;
3), heated-air drying: the discharge door of drying room (6) is closed, then open feeding gate (5), to fill half-finished handcart advances in drying room (1), close feeding gate (5), then carry out heated-air drying, the temperature of heated-air drying is 55 ~ 85 ℃, carries out the discharge of moisture when heated-air drying, after the moisture of discharging passes into the container that holds hot water, discharge, the temperature of hot water is 85 ~ 90 ℃ again;
4), off line cooling: to open discharge door (6) and close feeding gate (5) simultaneously, handcart is released, then dried semi-finished product are taken off from net dish, carry out nature cooling;
5), cooled semi-finished product are packed, sealed up for safekeeping;
Described drying room (1) is provided with heat abstractor, described heat abstractor comprises radiator and fan blade (11), described fan blade (11) is in transmission connection with Power Drive Unit, in described drying room (1), be provided with air inlet duct (13), described air inlet duct (13) is provided with hot blast import (14) near a side of fan blade (11), in described drying room (1), be provided with two blocks of drying channel wallboards (21) that are oppositely arranged, between two blocks of drying channel wallboards (21), form drying channel (9), between the drying room wallboard (7) of drying channel wallboard (21) and drying room (1), form hot air chamber (16), the bottom of described hot air chamber (16) is provided with the hot-blast outlet (23) being communicated with drying channel (9), hot blast import (14) is communicated with hot air chamber (16), described drying room (1) is provided with the discharge duct (4) being communicated with drying channel (9), the two ends of described drying room (1) are provided with feeding gate (5) and discharge door (6), the top of described drying room (1) is provided with the inlet channel (3) being communicated with air inlet duct (13).
2. Pet food heated-air drying processing technological process according to claim 1, is characterized in that the top of described drying room (1) is provided with several heat abstractors.
3. Pet food heated-air drying processing technological process according to claim 1, is characterized in that described two blocks of drying channel wallboards (21) are obliquely installed, and the cross sectional shape of the drying channel (9) between described two blocks of drying channel wallboards (21) is trapezoidal.
4. Pet food heated-air drying processing technological process according to claim 1, is characterized in that described Power Drive Unit is motor (2).
5. Pet food heated-air drying processing technological process according to claim 1, is characterized in that being provided with in described drying room (1) guard bar (24) for maintenance handcart.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210258367.4A CN102763774B (en) | 2008-10-09 | 2008-10-09 | Hot-air drying processing technique of pet food |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210258367.4A CN102763774B (en) | 2008-10-09 | 2008-10-09 | Hot-air drying processing technique of pet food |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101576357A Division CN101380065B (en) | 2008-10-09 | 2008-10-09 | Pet food heated-air drying processing technological process and drying device thereof |
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| CN102763774A CN102763774A (en) | 2012-11-07 |
| CN102763774B true CN102763774B (en) | 2014-05-28 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2184175Y (en) * | 1993-08-24 | 1994-11-30 | 林春 | Spraying gas dryer |
| CN1168777A (en) * | 1997-06-20 | 1997-12-31 | 河南省漯河市双汇实业集团有限责任公司 | Method and equipment for secondary sterilizing and quick drying ham sausage |
| CN2386406Y (en) * | 1999-07-29 | 2000-07-05 | 张志法 | Tunnel microwave glass fibre drier |
| CN2492815Y (en) * | 2001-08-22 | 2002-05-22 | 康景隆 | Continuous vacuum freeze drier |
| CN1969654A (en) * | 2005-11-22 | 2007-05-30 | 张士平 | Method for baking meat food for pet |
-
2008
- 2008-10-09 CN CN201210258367.4A patent/CN102763774B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2184175Y (en) * | 1993-08-24 | 1994-11-30 | 林春 | Spraying gas dryer |
| CN1168777A (en) * | 1997-06-20 | 1997-12-31 | 河南省漯河市双汇实业集团有限责任公司 | Method and equipment for secondary sterilizing and quick drying ham sausage |
| CN2386406Y (en) * | 1999-07-29 | 2000-07-05 | 张志法 | Tunnel microwave glass fibre drier |
| CN2492815Y (en) * | 2001-08-22 | 2002-05-22 | 康景隆 | Continuous vacuum freeze drier |
| CN1969654A (en) * | 2005-11-22 | 2007-05-30 | 张士平 | Method for baking meat food for pet |
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| CN102763774A (en) | 2012-11-07 |
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Denomination of invention: A kind of pet food hot air drying processing technology Effective date of registration: 20220810 Granted publication date: 20140528 Pledgee: Postal Savings Bank of China Limited by Share Ltd. Weifang branch Pledgor: WEIFANG XINDU FOOD Co.,Ltd. Registration number: Y2022980012316 |
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Date of cancellation: 20221101 Granted publication date: 20140528 Pledgee: Postal Savings Bank of China Limited by Share Ltd. Weifang branch Pledgor: WEIFANG XINDU FOOD Co.,Ltd. Registration number: Y2022980012316 |