阅读说明：本技术 一种连续式鱼糜生产系统及制备鱼糜的方法 (Continuous minced fillet production system and method for preparing minced fillet ) 是由 黄建联 范大明 张文海 胡忠良 余腾晖 吴友明 阮东娜 朱礼艳 闫博文 杨化宇 于 2020-05-11 设计创作，主要内容包括：本发明公开了一种连续式鱼糜生产系统及制备鱼糜的方法,属于鱼糜加工领域。所述系统包括顺次连接的鱼肉采肉机、第一卧螺沉降离心机、连续式浸泡池、旋转筛、第一内置喷头旋转筛、第二卧螺沉降离心机、后处理设备；利用卧螺沉降离心实现鱼糜水溶液的快速固液分离,去除水分更加彻底,采用离心机进行固液分离,连续式浸泡池进行油水分离,内置喷头旋转筛进行脱水和漂洗过程,实现鱼糜生产流程的连续化作业。本发明的连续式鱼糜生产系统与传统生产线相比,无需挤压脱水环节,能够提升鱼糜品质,减少加工过程蛋白变性。(The invention discloses a continuous minced fillet production system and a method for preparing minced fillet, and belongs to the field of minced fillet processing. The system comprises a fish flesh separator, a first horizontal screw sedimentation centrifuge, a continuous soaking pool, a rotary screen, a first built-in spray nozzle rotary screen, a second horizontal screw sedimentation centrifuge and post-processing equipment which are connected in sequence; the rapid solid-liquid separation of the minced fillet aqueous solution is realized by utilizing horizontal screw sedimentation centrifugation, the moisture removal is more thorough, the solid-liquid separation is carried out by adopting a centrifugal machine, the oil-water separation is carried out by adopting a continuous soaking pool, the dehydration and rinsing processes are carried out by a built-in spray nozzle rotary screen, and the continuous operation of the minced fillet production flow is realized. Compared with the traditional production line, the continuous minced fillet production system disclosed by the invention does not need an extrusion dehydration link, can improve the minced fillet quality, and reduces the protein denaturation in the processing process.)

1. A continuous surimi production system is characterized by comprising a fish flesh separator, a first horizontal screw sedimentation centrifuge, a continuous soaking pool, a rotary screen, a first built-in spray nozzle rotary screen, a second horizontal screw sedimentation centrifuge and post-treatment equipment which are connected in sequence;

the fish flesh separator is used for separating bone bones and fish skins of fish flesh blocks to obtain a fish flesh water solution; the first horizontal decanter centrifuge is used for removing water-soluble substances and blood from the water solution of the fish meat to obtain fish solid matter; the continuous soaking pool is used for removing grease in the fish solid matter; the rotary screen is used for pre-dehydrating the fish after oil removal; the first built-in spray head rotary screen is used for rinsing the pre-dehydrated fish; the second horizontal screw sedimentation centrifuge is used for removing moisture from the rinsed fish; the post-processing apparatus includes: chopping equipment, filling equipment and quick-freezing equipment; the cutting and mixing equipment is used for cutting and mixing the fish meat into a paste shape, the filling equipment is used for packaging the paste fish meat, and the quick-freezing equipment is used for freezing the packaged fish paste;

the continuous type steeping cistern includes: the fish solid matter feeding port, the floating ball water inlet valve, the micro-bubble air pipe, the stirring paddle, the oil separation plate, the guide plate, the floating oil scraper, the U-shaped oil receiving groove, the fish pulp discharging port and the fish pulp;

the device comprises a continuous soaking pool, a floating ball water inlet valve, a stirring paddle, a microbubble air pipe, a gas curtain pump and a plurality of gas curtain ejection pipes, wherein the fish solid matter inlet is formed in the upper part of one side of the continuous soaking pool, the floating ball water inlet valve is arranged below the fish solid matter inlet, the stirring paddle is arranged on one side of the fish solid matter inlet, the microbubble air pipe is arranged at the bottom of the fish solid matter inlet side of the continuous soaking pool, the microbubble air pipe is connected with the gas curtain pump arranged on one side outside the continuous soaking; the oil separation plate and the guide plate are sequentially arranged on one side of the stirring paddle; the floating oil scraper and the fish pulp outlet are respectively arranged at the upper part and the bottom of the other side of the continuous soaking pool, the U-shaped oil receiving groove is arranged below one side of the adjacent floating oil scraper, and the U-shaped oil receiving groove is connected to the continuous soaking pool through an inclined plate; the oil slicker includes: the fish water level control device comprises a transmission chain, an oil scraping plate and a transmission chain driving motor, wherein the oil scraping plate is arranged on the transmission chain at intervals, and the transmission chain driving motor drives the transmission chain to drive the oil scraping plate to circularly move up and down on the fish water level;

the built-in nozzle rotary screen comprises: the rotary screen comprises a feed inlet, a driving motor, a driving gear, a pressure-resistant flexible water pipe, a rotary screen outer cover, an external spray head, an internal spray main water pipe, a discharge port, a rotary support, a spray water discharge port, a rotary screen rotary cylinder and a rack;

the rotary screen rotating cylinder is arranged in a rotary screen outer cover, the rotary screen outer cover is arranged on the rack, the rotary screen rotating cylinder is of a hollow cylindrical structure, one end of the rotary screen rotating cylinder is provided with a gear and is connected with a driving gear arranged below the gear, the driving gear is connected with a driving motor, and the outer wall of the rotary screen rotating cylinder is provided with screen holes; the rotary support is arranged below the other end of the rotary screen rotary drum and supports the drum body of the rotary drum, so that the drum body rotates on the rotary support;

the pressure-resistant flexible water pipe is divided into two paths, one path is a built-in spraying main water pipe, the built-in spraying main water pipe penetrates through two ends of the rotary screen rotary cylinder, and a plurality of built-in spraying heads are arranged on the built-in spraying main water pipe; the other path is an external main spray water pipe; the external spraying main water pipe is positioned on the rotary screen rotary cylinder and fixed on the rotary screen outer cover, and a plurality of external spraying heads are arranged on the external spraying main water pipe;

the feed inlet is arranged at one end of the rotary screen rotary barrel, and the discharge outlet is arranged at the other end of the rotary screen rotary barrel; the rotary screen rotary barrel is provided with an inclination angle, so that the height of the feed port is higher than that of the discharge port.

2. The continuous surimi production system of claim 1, wherein the lower end of the oil baffle is suspended 10-20cm from the bottom of the continuous soaking pool, and the upper end of the oil baffle exceeds the maximum allowable water level of the continuous soaking pool.

3. The continuous minced fish production system of claim 2, wherein the interval between the guide plate and the oil separation plate is 20-30cm, the lower end of the guide plate is connected with the bottom of the continuous soaking pool, and the height of the guide plate is 40-50 cm.

4. A continuous minced fish production system as claimed in claim 3, wherein the bottom of the continuous steeping cistern is formed into a slope, the bottom of the steeping cistern is lower on the side of the fish meat slurry outlet, and the slope of the slope is not less than 10 °.

5. A continuous minced fish production system as claimed in claim 4, wherein the bottom of the steeping cistern at the side of the discharge port of the fish pulp is formed into a "U" shape with two high sides and a low middle in the transverse direction of the steeping cistern, and the discharge port of the fish pulp is provided at the lowest point of the "U" shape.

6. The continuous surimi production system of claim 5, wherein the number of the built-in spray head rotary screen and the horizontal screw decanter centrifuge is increased after the second horizontal screw decanter centrifuge according to the quality of surimi production, and the fish meat dehydrated by the second horizontal screw decanter centrifuge is further rinsed and dehydrated, wherein the surimi quality includes but is not limited to surimi elasticity and whiteness.

7. The continuous surimi production system of claim 6, wherein the rotary screen, the first internal sprayer rotary screen, and the second horizontal decanter centrifuge are connected to a water tank, wherein the water tank is connected to a water pump, and wherein the water pump is connected to the fish meat mincer, the continuous soaking tank, the rotary screen, the first internal sprayer rotary screen, and the second horizontal decanter centrifuge; the water tank is used for collecting water used by the rotary screen, the first built-in spray nozzle rotary screen and the second horizontal spiral sedimentation centrifuge and pumping the water to the fish flesh separator and/or the continuous soaking pool and/or the rotary screen and/or the first built-in spray nozzle rotary screen and/or the second horizontal spiral sedimentation centrifuge for use.

8. A method for preparing surimi using the continuous surimi production system of any one of claims 1 to 7, the method comprising:

the method comprises the following steps: processing the fish blocks by a fish flesh separator to separate bone and fish skin to obtain a water solution containing fish flesh;

step two: dehydrating the aqueous solution containing fish meat by a first horizontal screw sedimentation centrifuge to obtain fish meat solid matter;

step three: grease in the fish solid matter is removed in the continuous soaking pool, and the distance between a guide plate and an oil separation plate and the height of the guide plate of the continuous soaking pool are set according to the production weight specification; controlling the circulation time of the fish solid matter from the fish solid matter adding port to the fish pulp discharging port;

step four: pre-dewatering the fish pulp discharged from the fish pulp outlet through a rotary screen, allowing the fish pulp to enter a first built-in nozzle rotary screen, washing and continuously rinsing the fish pulp by using a built-in spray head and an external spray head of the first built-in nozzle rotary screen, allowing the fish pulp to enter a second horizontal decanter centrifuge to obtain fish bodies with certain water content, and further rinsing and dewatering the fish bodies dehydrated by the second horizontal decanter centrifuge through one or more built-in nozzle rotary screens and horizontal decanter centrifuge treatment procedures according to the quality requirement of producing surimi;

step five: chopping, bagging and quick-freezing the fish body to obtain minced fillet, collecting water used by the rotary screen, the first built-in spray nozzle rotary screen and the second horizontal spiral sedimentation centrifuge, and pumping the water into a fish flesh separator and/or a continuous soaking pool and/or the rotary screen and/or the first built-in spray nozzle rotary screen and/or the second horizontal spiral sedimentation centrifuge for use.

9. The method of preparing surimi of claim 9 wherein the fish solids moisture content is not less than 80%.

10. The use of the continuous surimi production system of any one of claims 1 to 7 and the process of any one of claims 8 to 9 in the field of surimi processing.

Technical Field

The invention relates to a continuous minced fillet production system and a method for preparing minced fillet, and belongs to the field of minced fillet processing.

Background

With the fact that quick-frozen minced fillet products are more and more favored by consumers, the demand of frozen minced fillets is also larger and larger. However, as marine fish resources are continuously developed and utilized and are limited by the total amount of fresh water fish culture in China, the total fish resources which can be used for surimi processing are in a downward sliding situation. At present, the chub surimi processing technology can achieve the surimi yield of about 36%, but due to the fact that multiple extrusion rehydration processes exist in the processing process, the surimi quality is seriously degraded, and water consumption in the production process is huge.

In addition, as the environmental protection policies of 'prevention is the main, prevention and control combination, comprehensive treatment' and 'who pollutes and governs' are continuously promoted in recent years in China, the environmental protection supervision of enterprises is gradually strengthened, wherein the up-to-standard discharge of sewage is always the key concern index of meat and meat product processing enterprises, and the water consumption of the processes after meat is collected in the minced fillet processing industry reaches 15-20 tons of water per ton or even higher, so that the water consumption in the processing process can be reduced, the water consumption cost can be reduced, the sewage output can be reduced, the sewage treatment cost is reduced, and the environmental pollution risk is reduced.

At present, in the traditional minced fillet production process, water-soluble protein and blood water in fish pulp are mainly removed by using a standing rinsing mode for the fish pulp, the water after standing rinsing is filtered by a filter screen, and a plurality of dehydration procedures are generally required by using the standing rinsing mode, so that more water is used; and current production link is more, and is consuming time longer to the course of working is mostly intermittent type formula operation, and the key step needs manual regulation, and last dehydration step generally adopts the screw rod extrusion mode in addition, and the physical friction that arouses because of equipment processing precision factor easily causes serious physical damage to flesh of fish tissue, and rubs the thermogenesis and easily leads to the salt solubility albumen degeneration in the flesh of fish, brings negative effects to the minced fillet quality.

Disclosure of Invention

In order to solve the problems existing at present, the invention firstly provides a continuous minced fillet production system, which comprises a fish flesh separator, a first horizontal screw sedimentation centrifuge, a continuous soaking pool, a rotary screen, a first built-in spray nozzle rotary screen, a second horizontal screw sedimentation centrifuge and post-processing equipment which are connected in sequence;

the fish flesh separator is used for separating bone bones and fish skins of fish flesh blocks to obtain a fish flesh water solution; the first horizontal decanter centrifuge is used for removing water-soluble substances and blood from the water solution of the fish meat to obtain fish solid matter; the continuous soaking pool is used for removing grease in the fish solid matter; the rotary screen is used for pre-dehydrating the fish after oil removal; the first built-in spray head rotary screen is used for rinsing the pre-dehydrated fish; the second horizontal screw sedimentation centrifuge is used for removing moisture from the rinsed fish; the post-processing apparatus includes: chopping equipment, filling equipment and quick-freezing equipment; the cutting and mixing equipment is used for cutting and mixing the fish meat into a paste shape, the filling equipment is used for packaging the paste fish meat, and the quick-freezing equipment is used for freezing the packaged fish paste;

the continuous type steeping cistern includes: the fish solid matter feeding port, the floating ball water inlet valve, the micro-bubble air pipe, the stirring paddle, the oil separation plate, the guide plate, the floating oil scraper, the U-shaped oil receiving groove, the fish pulp discharging port and the fish pulp;

the device comprises a continuous soaking pool, a floating ball water inlet valve, a stirring paddle, a microbubble air pipe, a gas curtain pump and a plurality of gas curtain ejection pipes, wherein the fish solid matter inlet is formed in the upper part of one side of the continuous soaking pool, the floating ball water inlet valve is arranged below the fish solid matter inlet, the stirring paddle is arranged on one side of the fish solid matter inlet, the microbubble air pipe is arranged at the bottom of the fish solid matter inlet side of the continuous soaking pool, the microbubble air pipe is connected with the gas curtain pump arranged on one side outside the continuous soaking; the oil separation plate and the guide plate are sequentially arranged on one side of the stirring paddle; the floating oil scraper and the fish pulp outlet are respectively arranged at the upper part and the bottom of the other side of the continuous soaking pool, the U-shaped oil receiving groove is arranged below one side of the adjacent floating oil scraper, and the U-shaped oil receiving groove is connected to the continuous soaking pool through an inclined plate; the oil slicker includes: the fish water level control device comprises a transmission chain, an oil scraping plate and a transmission chain driving motor, wherein the oil scraping plate is arranged on the transmission chain at intervals, and the transmission chain driving motor drives the transmission chain to drive the oil scraping plate to circularly move up and down on the fish water level;

the built-in nozzle rotary screen comprises: the rotary screen comprises a feed inlet, a driving motor, a driving gear, a pressure-resistant flexible water pipe, a rotary screen outer cover, an external spray head, an internal spray main water pipe, a discharge port, a rotary support, a spray water discharge port, a rotary screen rotary cylinder and a rack;

the rotary screen rotating cylinder is arranged in a rotary screen outer cover, the rotary screen outer cover is arranged on the rack, the rotary screen rotating cylinder is of a hollow cylindrical structure, one end of the rotary screen rotating cylinder is provided with a gear and is connected with a driving gear arranged below the gear, the driving gear is connected with a driving motor, and the outer wall of the rotary screen rotating cylinder is provided with screen holes; the rotary support is arranged below the other end of the rotary screen rotary drum and supports the drum body of the rotary drum, so that the drum body rotates on the rotary support;

the pressure-resistant flexible water pipe is divided into two paths, one path is a built-in spraying main water pipe, the built-in spraying main water pipe penetrates through two ends of the rotary screen rotary cylinder, and a plurality of built-in spraying heads are arranged on the built-in spraying main water pipe; the other path is an external main spray water pipe; the external spraying main water pipe is positioned on the rotary screen rotary cylinder and fixed on the rotary screen outer cover, and a plurality of external spraying heads are arranged on the external spraying main water pipe;

the feed inlet is arranged at one end of the rotary screen rotary barrel, and the discharge outlet is arranged at the other end of the rotary screen rotary barrel; the rotary screen rotary barrel is provided with an inclination angle, so that the height of the feed port is higher than that of the discharge port.

In one embodiment of the invention, the transfer of the fish meat material between two devices connected in the production system is divided into two categories: the fish meat material of the previous equipment can be connected into a temporary storage barrel by the solid-liquid material in a solid-liquid mixed state, and is conveyed to the next equipment by a pump body, and the solid material can be conveyed from an outlet of the previous equipment to an inlet of the next equipment in a screw mode; besides the above-mentioned mode of transfer, can also utilize difference in height, realize that the export of last equipment shifts in the mode that drops directly above next equipment entry, in the actual production process, can be according to many aspects factors such as place, health, convenience, cost consideration.

In an embodiment of the invention, the fish meat separator is a back-flushing type meat separator, the horizontal screw decanter centrifuge is a single-head horizontal screw decanter centrifuge with an aspect ratio of 2.0 or 2.5 or 3.5, the chopping device is a 330 chopper, and the quick-freezing device is a 2-ton flat plate freezer.

In one embodiment of the invention, the lower end of the oil separation plate is suspended and is 10-20cm away from the bottom of the continuous soaking pool, and the upper end of the oil separation plate exceeds the highest water level allowed by the continuous soaking pool.

In one embodiment of the invention, the distance between the guide plate and the oil separation plate is 20-30cm, the lower end of the guide plate is connected with the bottom of the continuous soaking pool, and the height of the guide plate is 40-50 cm.

In one embodiment of the invention, the bottom of the continuous soaking pool is provided with a slope, the bottom surface of the soaking pool close to the fish flesh discharging port side is lower, and the slope of the slope is not less than 10 degrees.

In one embodiment of the invention, the bottom of the soaking pool at the fish pulp discharge port side is in a U-shaped structure with two high sides and a low middle part in the transverse direction of the soaking pool, and the fish pulp discharge port is arranged at the lowest point of the U-shaped structure.

In one embodiment of the invention, the number of the built-in spray head rotary screen and the horizontal screw settling centrifuge is increased after the second horizontal screw settling centrifuge according to the quality of the produced minced fillet, and the fish meat dehydrated by the second horizontal screw settling centrifuge is further rinsed and dehydrated, wherein the minced fillet quality includes but is not limited to elasticity and whiteness of the minced fillet.

In one embodiment of the invention, the rotary screen, the first built-in spray nozzle rotary screen and the second horizontal screw sedimentation centrifuge are connected with a water tank, the water tank is connected with a water pump, and the water pump is connected with the fish meat separator, the continuous soaking pool, the rotary screen, the first built-in spray nozzle rotary screen and the second horizontal screw sedimentation centrifuge; the water tank is used for collecting water used by the rotary screen, the first built-in spray nozzle rotary screen and the second horizontal spiral sedimentation centrifuge and pumping the water to the fish flesh separator and/or the continuous soaking pool and/or the rotary screen and/or the first built-in spray nozzle rotary screen and/or the second horizontal spiral sedimentation centrifuge for use.

The invention also provides a method for preparing minced fillet by using the continuous minced fillet production system, which is characterized by comprising the following steps:

the method comprises the following steps: processing the fish blocks by a fish flesh separator to separate bone and fish skin to obtain a water solution containing fish flesh;

step two: dehydrating the aqueous solution containing fish meat by a first horizontal screw sedimentation centrifuge to obtain fish meat solid matter;

step three: grease in the fish solid matter is removed in the continuous soaking pool, and the distance between a guide plate and an oil separation plate and the height of the guide plate of the continuous soaking pool are set according to the production weight specification; controlling the circulation time of the fish solid matter from the fish solid matter adding port to the fish pulp discharging port;

step four: pre-dewatering the fish pulp discharged from the fish pulp outlet through a rotary screen, allowing the fish pulp to enter a first built-in nozzle rotary screen, washing and continuously rinsing the fish pulp by using a built-in spray head and an external spray head of the first built-in nozzle rotary screen, allowing the fish pulp to enter a second horizontal decanter centrifuge to obtain fish bodies with certain water content, and further rinsing and dewatering the fish bodies dehydrated by the second horizontal decanter centrifuge through one or more built-in nozzle rotary screens and horizontal decanter centrifuge treatment procedures according to the quality requirement of producing surimi;

step five: chopping, bagging and quick-freezing the fish body to obtain minced fillet, collecting water used by the rotary screen, the first built-in spray nozzle rotary screen and the second horizontal spiral sedimentation centrifuge, and pumping the water into a fish flesh separator and/or a continuous soaking pool and/or the rotary screen and/or the first built-in spray nozzle rotary screen and/or the second horizontal spiral sedimentation centrifuge for use.

In one embodiment of the invention, the fish meat solids moisture content is not less than 80%.

The invention relates to a continuous minced fillet production system and a preparation method thereof, which are applied to the field of minced fillet processing.

Has the advantages that:

the processing process reduces the intermittent time of the processing process and realizes the continuous production process of the minced fillet; screw extrusion operation in the processing process in the prior art is avoided, and fish damage and protein thermal denaturation are prevented; the water consumption in the processing process is reduced, and the more green, efficient and sustainable processing process is realized. Specifically, the method comprises the following steps:

1. according to the invention, the fish flesh separator, the horizontal screw sedimentation centrifuge, the continuous soaking pool, the rotary sieve, the built-in nozzle rotary sieve and the post-treatment equipment are combined to realize continuous production operation of all links of minced fillet production, the continuous soaking pool and the following rotary sieve dehydration equipment provided by the patent ensure continuous operation of the whole minced fillet production process and avoid the risk of deterioration of minced fillet quality caused by the standing soaking process in the prior art.

2. Introduce horizontal spiral shell sedimentation centrifuge in the minced fillet production line to select the horizontal spiral shell sedimentation centrifuge of suitable draw ratio parameter, realized the continuity of operation of minced fillet, and banned prior art's screw rod extrusion dehydration mode, the at utmost has reduced the texture damage and the albumen degeneration problem that the heat production of physics friction and friction caused the flesh of fish tissue, has reduced the fibre state's of course of working to albumen in the minced fillet destruction, plays good guard action to flesh of fish albumen.

3. The invention can be realized by additionally arranging a rotary screen with a built-in spray head and a horizontal screw sedimentation centrifuge, and the whiteness and the elastic quality of the minced fillet can be configured according to the requirement.

4. The invention ensures that centrifugal dehydration is more thorough through two horizontal screw sedimentation centrifugation processes, can reduce a plurality of filtering-rehydration processes, collects water used by the rotary screen, the first built-in spray nozzle rotary screen and the horizontal screw sedimentation centrifuge and then pumps the collected water to the corresponding last water using process or meat collecting link for use.

5. The fish washing machine has the advantages that the built-in spray nozzle rotary screen has two functions of rinsing and rehydration, fish is washed off from the rotary screen rotary cylinder by the aid of the external spray head, the built-in spray head is used for rehydration of the fish, and the functions of continuously washing and rinsing the fish in the rotary cylinder are achieved.

Drawings

FIG. 1 is a process flow diagram of the continuous surimi production line of the present invention.

Fig. 2 is a side view of the continuous steeping cistern as referred to in the present invention.

Fig. 3 is a side view of the internal sprinkler rotary screen of the present invention.

Names of components in the drawings: 1-fish solid matter adding port; 1-2-a floating ball water inlet valve; 1-3-microvesicle trachea; 1-4-stirring paddle; 1-5 oil separating plates; 1-6-a baffle; 1-7-oil slicker; 1-8-U-shaped oil receiving groove; 1-9-fish flesh slurry outlet; 1-10-fish flesh; 2-1-feed inlet; 2-2 — a drive motor; 2-3-driving gear; 2-4-pressure-resistant flexible water pipe; 2-5-rotating screen outer cover; 2-6-external spray header; 2-7, arranging a spray header inside; 2-8-a built-in main spray water pipe; 2-9-a discharge port; 2-10-rotating and supporting; 2-11-spraying water outlet; 2-12-rotating screen rotating cylinder.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.