CN111184241A - Process for producing pet food by fresh meat grouting technology - Google Patents
Process for producing pet food by fresh meat grouting technology Download PDFInfo
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- CN111184241A CN111184241A CN202010018418.0A CN202010018418A CN111184241A CN 111184241 A CN111184241 A CN 111184241A CN 202010018418 A CN202010018418 A CN 202010018418A CN 111184241 A CN111184241 A CN 111184241A
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- 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
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- A—HUMAN NECESSITIES
- A22—BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
- A22C—PROCESSING MEAT, POULTRY, OR FISH
- A22C17/00—Other devices for processing meat or bones
- A22C17/08—Cleaning, e.g. washing, meat or sausages
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- 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
- A23N17/004—Apparatus specially adapted for preparing animal feeding-stuffs for treating by application of heat, e.g. by means of potato cookers
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- 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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Abstract
The invention discloses a process for producing pet food by using fresh meat grouting technology, which comprises the following steps: s1: grinding fresh meat, and ensuring the fineness of meat pulp in the first step by controlling the unfreezing temperature and combining a slicing machine, a meat grinder and a colloid mill; s2: the heating and homogenizing treatment is carried out on the fresh meat pulp, the pipeline type circulation automatic control heating is adopted, and the powerful shearing force is generated in the high-speed rotation by the precise combination of a rotor and a stator through a pipeline type emulsification pump, so that the aim of homogenizing and emulsifying the meat pulp is fulfilled; s3: the meat pulp system is cleaned by the CIP online cleaning system, so that the technical problems of incomplete cleaning, bacterial pollution and product deterioration caused by the fact that pure water is only used for washing in the traditional technology are solved; s4: the meat pulp enters a conditioner for modulation treatment and then enters a double-screw bulking machine to complete the bulking process. The process of the invention utilizes the fresh meat grouting technology to reduce the loss rate of protein and vitamin in meat raw materials in multiple processing processes, and retains the natural fresh flavor of meat, fish and shrimp.
Description
Technical Field
The invention belongs to the technical field of pet feed preparation, and particularly relates to a process for producing pet food by using a fresh meat grouting technology.
Background
In order to reach the protein level required by pet growth, the traditional pet food is mostly prepared by high-temperature processed meat powder raw materials through high-temperature puffing again. The protein denaturation of the meat raw materials is caused by multiple high temperatures, the loss rate of vitamins is increased rapidly, and the natural fresh flavor of fish, shrimp and meat can not be presented almost. And fresh fish, shrimp and meat are added into the pet food, and the product is formed through the working procedures of puffing, granulating and the like of a puffing machine, so that the difficulty is high.
Disclosure of Invention
In order to overcome the technical defects of protein denaturation of meat raw materials, rapid increase of vitamin loss rate and difficult retention of natural fragrance in the traditional high-temperature puffing preparation of pet food in the prior art, the process for producing the pet food by using the fresh meat grouting technology is provided.
The invention achieves the above purposes through the following technical scheme, and a process for producing pet food by using fresh meat grouting technology comprises the following steps:
s1: grinding fresh meat, storing fresh fish, shrimp and meat in a-18 ℃ freezer, taking out the fish, shrimp and meat until the temperature is between 0 and 4 ℃ freezer, unfreezing the fish, shrimp and meat to between-5 and 0 ℃, slicing the fish, shrimp and meat in a slicer after unfreezing, changing the thickness of the sliced meat by changing an adjusting cylinder of the slicer, and feeding the meat into a meat grinder through a spiral feeding machine for chopping and grinding.
S2: the process comprises the following steps:
a: pumping the grinded pulp into a stirring tank by using a diaphragm pump, wherein an anchor type stirring device for high-viscosity fluid is arranged in the stirring tank, starting a stirring motor, and setting the rotating speed at 55-60r/min to ensure the uniformity of the pulp entering a conditioner;
b: emulsifying the meat pulp in an emulsifying tank, feeding the meat pulp into a pipeline heating system through a screw pump, heating the meat pulp to 50-55 ℃, and generating strong shearing force in high-speed rotation through the precise combination of a rotor and a stator by a pipeline type emulsifying pump, so that the homogeneous emulsification of the meat pulp is realized, and the good fluidity of the meat pulp is ensured;
c: the heated meat pulp is sent into a use tank, the use tank is insulated by adopting a polyurethane material, the meat pulp is ensured to enter a conditioner for constant temperature in the production process, and the flow rate is stable.
S3: utilize CIP online cleaning system to wash the meat thick liquid system, at first carry out alkali lye and wash, carry out hot water again and wash:
a: when alkaline cleaning is carried out, the emulsion tank serves as a cleaning solution preparation tank, concentrated alkali is pumped into the emulsion tank through a dosing pump, prepared water enters the emulsion tank through a pneumatic valve and a flowmeter, a discharge manual valve, a CIP cleaning pump pneumatic valve, a CIP cleaning pump and a one-way valve are started after liquid preparation is completed, the cleaning solution is conveyed to a tubular preheater through a cleaning pump to be heated, the cleaning solution is subjected to heat exchange in the preheater through a tubular heat exchanger, the temperature of discharged materials is detected by a temperature sensor, the discharged materials flow back to the emulsion tank through a reversing valve and a backflow pneumatic valve after reaching the set CIP cleaning temperature, a preheater heating system stops, the alkaline solution is continuously and circularly cleaned, the discharge manual valve, the CIP cleaning pump pneumatic valve, the CIP cleaning pump and the one-way valve are closed until the discharged materials are cleaned completely, and the;
b: when hot water cleaning is carried out, alkali liquor does not need to be pumped, the other steps are cleaned with the alkali liquor, the PH value detection is carried out after the hot water circulation cleaning until the qualified PH value is reached, the drain valve is opened to discharge liquid, and the system cleaning is completed.
S4: the method comprises the steps of accurately measuring meat pulp in proportion through a mass flow meter, enabling the meat pulp to enter a conditioner for modulation, enabling the meat pulp to enter a double-screw extruder after conditioning, changing energy input distribution of the extruder, reducing STE input, increasing SME output, enabling the conditioning temperature to be 70-90 ℃, the conditioning time to be 35-38S, enabling the extrusion die-out temperature to be 120-130 ℃, completing an extrusion process through steps of curing, shearing, degassing, die-out, granulating and the like of materials, and further completing the whole process flow.
In the process for producing pet food by using fresh meat grouting technology, in the step S1, the tuna meat tendon and fishes or shrimps with more fish bones need to be ground for the second time by a colloid mill to obtain meat pulp with required fineness.
In the process for producing pet food by using fresh meat grouting technology, the pipeline heating in the step S2 is to enter the interlayer of the pipeline through saturated steam, meat pulp is circularly heated in the pipeline and enters the pipeline emulsification pump after being heated to a set temperature, and if the temperature is higher than the temperature of condensed water in the high-purity water tank, the condensed water enters the interlayer of the pipeline to be cooled, so that the temperature is kept constant.
In the process for producing pet food by using fresh meat grouting technology, the liquid filter is arranged in the meat pulp inlet pipeline of the conditioner in the step S4, and the meat pulp is further filtered.
Generally, compared with the prior art, the technical scheme of the invention can achieve the following beneficial effects:
1. according to the process for producing the pet food by using the fresh meat grouting technology, the fineness of meat pulp is ensured in the first step through the control of unfreezing temperature and the combination of the slicing machine, the meat grinder and the colloid mill, the problems that the meat pulp does not need to be added with water, the mobility of the meat pulp can be ensured, and the material blockage problem caused by the situations of bone spurs, meat ribs, large-particle meat particles and the like cannot occur in the subsequent production process are solved;
2. the method adopts a steam indirect heating method, has high heating speed, uniform heating, economy and energy conservation, and solves the problems of material agglomeration during conditioning and puffing caused by the increase of the moisture content of the meat pulp by condensed water generated in cold and hot alternation and the loss of nutrient substances of the meat pulp caused by direct heating;
3. the invention adopts the pipeline type emulsification pump to generate strong shearing force in high-speed rotation through the precise combination of the rotor and the stator, thereby realizing the purpose of homogenizing and emulsifying the meat pulp, solving the accurate stability of the meat pulp in mass flow timing and ensuring the consistency of product batches;
4. in the cleaning process, the cleaning is carried out by CIP, firstly, alkali liquor cleaning is carried out, and then, hot water cleaning is carried out, so that the technical problems that in the traditional technology, only pure water is used for washing, incomplete cleaning is easily caused, and bacterial pollution and product deterioration are caused are solved.
Drawings
The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings, in which:
FIG. 1 is a flow chart of a process for producing pet food using fresh meat slip casting according to the present invention;
FIG. 2 is a schematic view of a meat slurry addition system according to the present invention;
FIG. 3 is a schematic view of the construction of the bulking machine of the present invention;
FIG. 4 is a schematic structural view of a conditioner according to the present invention;
in the figure: the device comprises a spiral shaft 1, a feed inlet screw sleeve 2, a middle shell 3, an SME module 4, a degassing shell 5, a density control system 6, a support frame 7, a double-shaft differential conditioner 8, a single-shaft conditioner 9 and a steam, water and meat pulp adding pipeline 10.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following detailed description, but those skilled in the art will understand that the following described examples are some, not all, of the examples of the present invention, and are only used for illustrating the present invention, and should not be construed as limiting the scope of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The equipment used is not indicated by the manufacturer, and is a product available through commercial purchase.
The invention relates to a process for producing pet food by using fresh meat grouting technology, which is shown in figure 1 and is a process flow chart of the invention, and comprises a fresh meat grinding system, an adding and automatic control temperature control system, a CIP cleaning system and a conditioning and puffing system.
The fresh meat grinding system comprises a slicing machine, a spiral feeding machine, a meat grinder and a colloid mill, wherein when the fresh fish, the shrimp and the meat are used specifically, the fresh fish, the shrimp and the meat are stored in a freezer at a temperature of-18 ℃, and are taken out to a refrigerator at a temperature of 0-4 ℃ to be unfrozen to a temperature of-5-0 ℃ during production. After thawing, the fish, the shrimp and the meat enter a slicer for slicing, the thickness of the sliced meat is changed by changing an adjusting cylinder of the slicer, and then the sliced meat enters a meat grinder through a spiral feeding machine for chopping and grinding; for fishes or shrimps with more tuna tendons and bones, the pulp with required fineness is obtained by secondary grinding in a colloid mill.
Through the control of the unfreezing temperature and the combination of the slicing machine, the meat grinder and the colloid mill in the grinding process of fresh meat, the fineness of meat pulp is guaranteed in the first step, the problem that the mobility of the meat pulp can be guaranteed without adding water is solved, and the problem of material blockage caused by the situations of bone spurs, meat ribs, large-particle meat particles and the like cannot occur in the subsequent production process.
Fresh meat pulp homogenization treatment selects a diaphragm pump which can efficiently convey high-viscosity pulp to pump the ground meat pulp into a stirring tank, the stirring tank is provided with an anchor type stirring device, the anchor type stirring device is driven by a motor, the rotating speed is 55-60r/min, and the uniformity of the meat pulp entering a conditioner is ensured.
Emulsifying in an emulsifying tank, feeding into a pipeline heating system through a screw pump, heating to 50-55 deg.C by automatic temperature control, wherein the excessive heating temperature can result in premature aging of meat pulp, and the excessive heating temperature can result in fluidity of meat pulp. The pipeline heating is that saturated steam enters a pipeline interlayer, meat pulp is circularly heated in the pipeline, the meat pulp enters a pipeline type emulsification pump after being heated to a set temperature, and if the temperature of condensed water in a high-purity water tank exceeds the set temperature, the condensed water enters the pipeline interlayer to be cooled, so that the temperature is kept at a constant temperature.
The heated meat pulp enters a using tank, the using tank is insulated by adopting a polyurethane material, the meat pulp enters a conditioner for keeping the temperature and the flow rate stable in the production process, and the figure 2 shows that the meat pulp has the advantages of stable temperature and stable flow rate.
After meat thick liquid homogeneity is accomplished, utilize CIP online cleaning system to wash the meat thick liquid, at first carry out alkali lye and wash, carry out hot water again and wash: when alkaline cleaning is carried out, the emulsion tank serves as a cleaning solution preparation tank, concentrated alkali is pumped into the emulsion tank through a dosing pump, prepared water enters the emulsion tank through a pneumatic valve and a flowmeter, a discharge manual valve, a CIP cleaning pump pneumatic valve, a CIP cleaning pump and a one-way valve are started after liquid preparation is completed, the cleaning solution is conveyed to a tubular preheater through a cleaning pump to be heated, the cleaning solution is subjected to heat exchange in the preheater through a tubular heat exchanger, the temperature of discharged materials is detected by a temperature sensor, the discharged materials flow back to the emulsion tank through a reversing valve and a backflow pneumatic valve after reaching the set CIP cleaning temperature, a preheater heating system stops, the alkaline solution is continuously and circularly cleaned, the discharge manual valve, the CIP cleaning pump pneumatic valve, the CIP cleaning pump and the one-way valve are closed until the discharged materials are cleaned completely, and the; when hot water cleaning is carried out, alkali liquor does not need to be pumped, the other steps are cleaned with the alkali liquor, the PH value detection is carried out after the hot water circulation cleaning until the qualified PH value is reached, the drain valve is opened to discharge liquid, and the system cleaning is completed.
Meat thick liquid passes through mass flow meter accurate measurement in proportion and gets into the quenching and tempering ware, the structure of quenching and tempering ware is shown in figure 4, the quenching and tempering ware includes support frame 7, biax differential quenching and tempering ware 8, unipolar quenching and tempering ware 9 and steam, water, meat thick liquid add pipeline 10, for avoiding when pelletization demolding block up the nib because of meat muscle, bony spur or large granule meat, lead to the nib pressure inhomogeneous, steam, water, the meat thick liquid of quenching and tempering ware add pipeline 10 and install liquid filter, meat thick liquid can further filter when getting into the quenching and tempering ware.
The material enters a puffing cavity after the tempering is finished, before general materials enter a puffing machine, in order to reduce the abrasion of a screw rod of the puffing machine, the materials are firstly tempered in a tempering device, the tempering temperature in the production of common pet food can reach 90-100 ℃, and then the materials can enter the puffing machine, so that the materials are fully modulated through the input of special heat energy (STE), and the materials enter the puffing machine to finish the puffing and granulating through Special Mechanical Energy (SME) generated by the shearing of the screw rod output by the materials.
A double-screw bulking machine is adopted, as shown in figure 3, the double-screw bulking machine comprises a screw shaft 1, a feed inlet screw sleeve 2, a middle shell 3, an SME module 4, a degassing shell 5 and a density control system 6, the SME module 4 is additionally arranged on the bulking machine, so that energy input distribution is changed, STE input is reduced, SME output is increased, SME enhancement is carried out through adjustment of the mechanical screw shaft 1, the material curing, shearing, degassing, mold stripping, granulating and other steps are completed at the tempering temperature of 70-90 ℃, the tempering time of 35-38S and the bulking mold stripping temperature of 120-130 ℃, and the bulking process is completed.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (4)
1. A process for producing pet food by fresh meat grouting technology is characterized by comprising the following steps:
s1: grinding fresh meat, storing the fresh fish, shrimp and meat in a freezer at-18 ℃, taking out the fresh fish, shrimp and meat to a freezer at 0-4 ℃, unfreezing the fresh fish, shrimp and meat to-5-0 ℃, putting the fish, shrimp and meat into a slicer to be sliced after unfreezing, changing the thickness of the sliced meat by changing an adjusting cylinder of the slicer, and putting the sliced meat into a meat grinder through a spiral feeding machine to be chopped and ground;
s2: the process comprises the following steps:
a: pumping the grinded pulp into a stirring tank by using a diaphragm pump, wherein an anchor type stirring device for high-viscosity fluid is arranged in the stirring tank, starting a stirring motor, and setting the rotating speed at 55-60r/min to ensure the uniformity of the pulp entering a conditioner;
b: emulsifying the meat pulp in an emulsifying tank, feeding the meat pulp into a pipeline heating system through a screw pump, heating the meat pulp to 50-55 ℃, and generating strong shearing force in high-speed rotation through the precise combination of a rotor and a stator by a pipeline type emulsifying pump to realize the homogeneous emulsification of the meat pulp;
c: feeding the heated meat pulp into a using tank, wherein the using tank is insulated by adopting a polyurethane material, so that the meat pulp enters a conditioner for keeping constant temperature in the production process and the flow rate is stable;
s3: utilize CIP online cleaning system to wash the meat thick liquid system, at first carry out alkali lye and wash, carry out hot water again and wash:
a: when alkaline cleaning is carried out, the emulsion tank serves as a cleaning solution preparation tank, concentrated alkali is pumped into the emulsion tank through a dosing pump, prepared water enters the emulsion tank through a pneumatic valve and a flowmeter, a discharge manual valve, a CIP cleaning pump pneumatic valve, a CIP cleaning pump and a one-way valve are started after liquid preparation is completed, the cleaning solution is conveyed to a tubular preheater through a cleaning pump to be heated, the cleaning solution is subjected to heat exchange in the preheater through a tubular heat exchanger, the temperature of discharged materials is detected by a temperature sensor, the discharged materials flow back to the emulsion tank through a reversing valve and a backflow pneumatic valve after reaching the set CIP cleaning temperature, a preheater heating system stops, the alkaline solution is continuously and circularly cleaned, the discharge manual valve, the CIP cleaning pump pneumatic valve, the CIP cleaning pump and the one-way valve are closed until the discharged materials are cleaned completely, and the;
b: when hot water cleaning is carried out, alkali liquor does not need to be pumped, the other steps are cleaned with the alkali liquor, the PH value detection is carried out after the hot water circulation cleaning until the qualified PH value is reached, a drain valve is opened to discharge liquid, and the system cleaning is finished;
s4: the method comprises the steps of accurately measuring meat pulp in proportion through a mass flow meter, enabling the meat pulp to enter a conditioner for modulation, enabling the meat pulp to enter a double-screw extruder after conditioning, changing energy input distribution of the extruder, reducing STE input, increasing SME output, enabling the conditioning temperature to be 70-90 ℃, the conditioning time to be 35-38S, enabling the extrusion die-out temperature to be 120-130 ℃, completing an extrusion process through steps of curing, shearing, degassing, die-out, granulating and the like of materials, and further completing the whole process flow.
2. The process for producing pet food by fresh meat injection technology according to claim 1, wherein the process comprises the following steps: in the step S1, the tuna meat tendon and the fishes or shrimps with more fish bones need to be ground for the second time by a colloid mill to obtain meat pulp with required fineness.
3. The process for producing pet food by fresh meat injection technology according to claim 1, wherein the process comprises the following steps: and the pipeline heating in the step S2 is to enter a pipeline interlayer through saturated steam, the meat pulp is subjected to cyclic heating in the pipeline, the meat pulp enters a pipeline type emulsification pump after being heated to a set temperature, and if the temperature of the meat pulp is higher than the set temperature, the condensed water in the high-purity water tank enters the pipeline interlayer to be cooled, so that the temperature is kept at a constant temperature.
4. The process for producing pet food by fresh meat injection technology according to claim 1, wherein the process comprises the following steps: and a liquid filter is arranged in the steam, water and meat pulp adding pipeline (10) of the conditioner in the step S4, and the meat pulp is further filtered.
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| CN202010018418.0A CN111184241A (en) | 2020-01-08 | 2020-01-08 | Process for producing pet food by fresh meat grouting technology |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111701699A (en) * | 2020-05-27 | 2020-09-25 | 上海数郜机电有限公司 | Pollution-free pretreatment method and equipment for frozen products |
| CN112088980A (en) * | 2020-09-11 | 2020-12-18 | 山东汉欧生物科技有限公司 | Process for producing pet food by fresh meat grouting technology |
| CN113854608A (en) * | 2021-09-28 | 2021-12-31 | 江苏正昌粮机股份有限公司 | Pet food production scale type liquid pumping adding system |
| CN114287652A (en) * | 2022-01-21 | 2022-04-08 | 宠控创新科技有限公司 | Pet food fresh meat treatment equipment and grouting method |
| CN116116844A (en) * | 2023-02-02 | 2023-05-16 | 海洋之星宠物食品(佛山)有限公司 | Cleaning system of fresh meat treatment equipment for pet food |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111701699A (en) * | 2020-05-27 | 2020-09-25 | 上海数郜机电有限公司 | Pollution-free pretreatment method and equipment for frozen products |
| CN112088980A (en) * | 2020-09-11 | 2020-12-18 | 山东汉欧生物科技有限公司 | Process for producing pet food by fresh meat grouting technology |
| CN113854608A (en) * | 2021-09-28 | 2021-12-31 | 江苏正昌粮机股份有限公司 | Pet food production scale type liquid pumping adding system |
| CN114287652A (en) * | 2022-01-21 | 2022-04-08 | 宠控创新科技有限公司 | Pet food fresh meat treatment equipment and grouting method |
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| CN116116844A (en) * | 2023-02-02 | 2023-05-16 | 海洋之星宠物食品(佛山)有限公司 | Cleaning system of fresh meat treatment equipment for pet food |
| CN116116844B (en) * | 2023-02-02 | 2023-12-29 | 海洋之星宠物食品(佛山)有限公司 | Cleaning system of fresh meat treatment equipment for pet food |
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Application publication date: 20200522 |
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| RJ01 | Rejection of invention patent application after publication |