CN215270328U

CN215270328U - Production system for large-scale deep processing of crayfishes

Info

Publication number: CN215270328U
Application number: CN202120995323.4U
Authority: CN
Inventors: 贾如玉; 刘学峰; 贾昊
Original assignee: Hubei Huihuang Agricultural Development Co ltd
Current assignee: Hubei Huihuang Agricultural Development Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-12-24
Anticipated expiration: 2031-05-11

Abstract

The utility model discloses a production system of scale deep-processing cray belongs to cray deep-processing technical field. Including collecting and distributor, refrigerating plant, package ice device, packing plant, a plurality of multistage sorting unit, a plurality of preprocessing device and a plurality of manual shrimp device of shelling, preprocessing device is including wasing the structure, cook structure, precooling structure and cooling structure, and refrigerating plant locates the manual rear of shelling the shrimp device, and refrigerating plant, package ice device and packing plant connect gradually. The multi-stage sorting device also comprises two pre-separation rotary screens. The collecting and distributing device comprises a frame, a front conveying structure, a rear conveying structure, a collecting and feeding structure and a distributing and discharging structure. The artificial shrimp peeling device is positioned behind the cooling structure and comprises two workbenches; the workbench is provided with an upper conveying structure, two rows of material abandoning holes and a lower conveying structure; the two upper conveying structures are connected end to form a circulating conveying structure, and the lower conveying structures of all the workbenches are gathered together.

Description

Production system for large-scale deep processing of crayfishes

Technical Field

The utility model belongs to the technical field of crayfish deep-processing, in particular to production system of scale deep-processing crayfish.

Background

Crayfish (academic name: procambarus clarkii): also known as procambarus clarkii, crayfish and freshwater crayfish. It is shaped like shrimp and hard in shell. Is a freshwater economic shrimp, and is popular with people because of delicious meat taste. Due to the omnivorous property, the fast growth speed and the strong adaptability, the method forms an absolute competitive advantage in the local ecological environment.

The existing production process of crayfish (shelled shrimp) comprises the following steps: sorting, cleaning (optionally soaking), cooking, pre-cooling, shelling, freezing, wrapping ice, packaging and the like.

According to the technical scheme, the crayfish processing device comprises a multistage sorting device, a cleaning device, a cooking device, a precooling device and a cooling device which are sequentially connected, the crayfish is peeled by a manual crayfish peeling device, and the peeled crayfish is sequentially processed by a refrigerating device, an ice wrapping device and a packaging device to obtain a packaged shrimp meat product. The crayfish is generally collected in 4-6 months, and the production efficiency of the whole production line is very high.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the embodiment of the utility model provides a production system of scale deep-processing crayfish promotes production efficiency from a plurality of aspects, including promoting the sorting speed, concentrate the crayfish after the sorting and collect and distribution, during the manual work is shelled automatic feed and ejection of compact and promotion cooling rate etc. can realize the scale production of crayfish, the daily work volume can reach more than 300 tons. The technical scheme is as follows:

the embodiment of the utility model provides a production system of scale deep-processing crayfish, this system including collect with distributor, refrigerating plant, package ice device, packing plant, B multistage sorting unit 1, C preprocessing device and D individual artifical shrimp device of shelling, multistage sorting unit 1 is including selecting separately feeding structure and A drum sieve 10 of establishing ties in proper order, and the coarse fodder export of each drum sieve 10 is as a separation discharge gate, preprocessing device includes washing structure 30, boiling structure 31, precooling structure 32 and the cooling structure that connects gradually from front to back, refrigerating plant locates the artifical rear of shelling the shrimp device, refrigerating plant, package ice device and packing plant connect gradually through the conveyer belt; the B multi-stage sorting devices 1 are arranged side by side left and right and are positioned in front of the collecting and distributing devices, the C pretreatment devices are arranged side by side left and right, and the D manual shrimp peeling devices are arranged side by side left and right.

The multi-stage sorting device 1 further comprises two pre-separation rotary screens which are arranged side by side from left to right, the pre-separation rotary screens are positioned in front of the first-stage rotary screen 10, and the sorting and feeding structure is divided into two paths to be output to the two pre-separation rotary screens; the coarse material outlets of the two pre-separation rotary screens are both output to the first-stage rotary screen 10, and the fine material outlets thereof are both output to the second-stage rotary screen 10; the screen mesh diameter of the pre-separation rotary screen is smaller than that of the first-stage rotary screen 10.

The collecting and distributing device is arranged along the left-right direction and comprises a rack, and a front conveying structure 20, a rear conveying structure 21, a collecting and feeding structure 22 and a distributing and discharging structure 23 on the rack; the front conveying structure 20 and the rear conveying structure 21 are arranged side by side from front to back and are opposite in conveying direction, the front conveying structure 20 is arranged in the left-right direction and comprises A front horizontal conveying belts arranged side by side from top to bottom, the rear conveying structure 21 is arranged in the left-right direction and comprises A rear horizontal conveying belts arranged side by side from top to bottom, and the A front horizontal conveying belts and the corresponding A rear horizontal conveying belts are connected end to form A closed-loop conveying structures; the collecting and feeding structure 22 is arranged on the front side of the front conveying structure 20 and comprises B groups of feeding units, each group of feeding units comprises A lifting conveying belts 24 which are arranged side by side from left to right, the B groups of feeding units are respectively arranged right behind the B multi-stage sorting devices 1, A sorting material outlets of each multi-stage sorting device 1 are respectively connected with the front ends of the A lifting conveying belts 24 in the same group, the rear ends of the A lifting conveying belts 24 in the same group are respectively connected with the A front horizontal conveying belts through A feeding chutes, and sorting material outlets in the same stage are connected with the same front horizontal conveying belt; distribution ejection of compact structure 23 locates the front side of back transport structure 21 and its blown down tank that includes C vertical settings, and C blown down tank is located C respectively and washs structure 30 directly over the feed inlet, back transport structure 21 is located the top of wasing structure 30, back horizontal conveyor's front side just corresponds blown down tank department and is equipped with C branch material mouth 26 that has branch bin gate 25.

The artificial shrimp peeling device is positioned behind the cooling structure and comprises two workbenches 40 which are arranged side by side from left to right; the worktable 40 is arranged in the front-back direction, the middle part of the table top is provided with an upper conveying structure 41 for conveying the turnover basket in the front-back direction, the left side and the right side of the table top are respectively provided with a row of waste material holes 42 in the front-back direction, the lower part of the middle part of the table top is provided with a lower conveying structure 43 for conveying waste in the front-back direction, and a water nozzle 44 is arranged on the table top and at each waste material hole 42; a guide chute 45 with an inclined downward conveying structure 43 is arranged below the material abandoning hole 42, the front end and the rear end of the upper conveying structure 41 extend forwards and backwards relative to the corresponding end of the workbench 40, the two upper conveying structures 41 are connected end to form a circulating conveying structure, and the lower conveying structures 43 of all the workbenches 40 are gathered together.

Wherein, the embodiment of the utility model provides an A is the integer of 3-6, B is the integer of more than or equal to 3, C is greater than A and its integer that is more than or equal to 5, D is the integer of more than or equal to 2.

The cooling structure in the embodiment of the present invention includes a cooling pool 51 disposed in the front-back direction, a cooling conveyer belt 52 disposed in the cooling pool 51 and in the front-back direction, a cooling pool 53 on the left side of the cooling pool 51, and a cooling coil 54 in the cooling pool 53; the front part of the cooling pond 53 is communicated with the front part of the cooling pond 51, the rear part of the cooling pond 53 is provided with a first filter box 55 communicated with the cooling pond, a plurality of cooling spray pipes 56 are arranged on the cooling pond 51 and are positioned right above the cooling conveyer belt 52 in a front-back side-by-side mode, and the lower sides of the cooling spray pipes 56 are provided with spray holes and are connected with the first filter box 55 through pipelines with spray pumps; be equipped with many bubbling pipes 57 around cooling conveyer belt 52 side by side under, the upside of bubbling pipe 57 is equipped with the air drum hole and it is connected with the air-blower through the pipeline, cooling conveyer belt 52's rear end oblique backward stretches out cooling bath 51 and its upper side along controlling to being equipped with the air-dry structure.

Preferably, the cooling tank 51 in the embodiment of the present invention is provided with a second filtering tank 58 communicated therewith; a cooking conveyer belt is arranged in the cooking structure 31 along the front-back direction, the cooking conveyer belt comprises a horizontal cooking horizontal section 61, a cooking ascending section 62 which inclines backwards and upwards and a horizontal cooking output section 63 from front to back, and the rear end of the cooking output section 63 is arranged above the front end of the precooling structure 32; a pre-cooling conveying belt is arranged in the pre-cooling structure 32 in the front-back direction, the pre-cooling conveying belt comprises a horizontal pre-cooling horizontal section 71, a pre-cooling ascending section 72 which inclines backwards and upwards and a horizontal pre-cooling output section 73 from front to back, and the rear end of the pre-cooling output section 73 is arranged above the front end of the cooling structure; a spray conveying structure 74 is arranged between the cooking output section 63 and the front end of the pre-cooling structure 32, the spray conveying structure 74 is arranged in the front-back direction, and a plurality of front spray pipes 75 are arranged in parallel in the front-back direction above the spray conveying structure 74; a plurality of rear spray pipes 76 are arranged in parallel front and back above the precooling ascending section 72; the front spray pipe 75 and the rear spray pipe 76 are both connected with the second filter tank 58 through pipelines with pumps, and the precooling structure 32 is connected with the cleaning structure 30 through a pipeline with a pump.

Specifically, the discharge chute in the embodiment of the present invention is a rectangular tube with an open rear side, a discharge chute is arranged on the discharge port 26 and in the discharge chute, the discharge chute is obliquely downward from back to front, a baffle capable of shielding the rear side of the discharge chute is arranged at the lower side of the discharge chute, the baffle is obliquely downward from front to back, and the lower end of the baffle is located above the front of the discharge port 26 of the next rear horizontal conveyor belt; the feeding chute is arranged along the vertical direction, is arranged in front of the front horizontal conveying belt, and the lower end of the feeding chute is bent backwards to the adjacent upper part of the corresponding front horizontal conveying belt; the rear ends of the lifting conveyor belts 24 are all above the uppermost front horizontal conveyor belt.

Preferably, the manual picking platforms 27 are arranged between the sorting discharge port and the front end of the corresponding lifting conveyer belt 24 along the front-back direction, and the manual picking platforms 27 are arranged side by side left and right; a weighing belt 28 is arranged between the rear end of the lifting conveyer belt 24 and the top end of the corresponding feeding chute along the front-back direction.

Further, a water pan 46 is arranged right below the lower conveying structure 43 in the embodiment of the present invention along the front-back direction, the left and right sides of the water pan 46 extend outward relative to the corresponding side of the lower conveying structure 43, a collecting conveyor belt 47 is arranged below the workbench 40, and the collecting conveyor belt 47 is arranged along the left-right direction and is located below all the workbenches 40; the lower conveying structure 43 is composed of two sub-conveying belts arranged at intervals in the front-back direction, opposite ends of the two sub-conveying belts are located above the gathering conveying belt 47 and output to the gathering conveying belt 47, the gathering conveying belt 47 is located in the groove 48, and the water pan 46 is communicated with the groove 48.

Further, the production system provided by the embodiment of the utility model also comprises a shrimp shell processing device, the shrimp shell processing device comprises a spiral extrusion dehydration structure, a roller drying structure, a roller cooling structure, a crushing structure, a cyclone separation structure, a powder packaging structure, a drying cyclone dust collector, a cooling cyclone dust collector and a bag type dust collector, the discharge end of the gathering conveyer belt 47 is connected with the feed inlet of the spiral extrusion dehydration structure, the roller drying structure and the roller cooling structure are sequentially connected through the conveyer belt, the discharge port of the roller cooling structure is connected with the feed inlet of the crushing structure through the spiral conveying structure, and the discharge port of the crushing structure is connected with the feed inlet of the cyclone separation structure through the pipeline with the fan; the discharge port of the cyclone separation structure is connected with the powder packaging structure through a spiral conveying structure, and the tail gas outlet of the cyclone separation structure is connected with the bag type dust collector through a pipeline; the drying cyclone dust collector is connected with a drying tail gas outlet of the roller drying structure through a pipeline with a fan, the cooling cyclone dust collector is connected with a cooling tail gas outlet of the roller cooling structure through a pipeline with a fan, and the groove 48 is connected with a drainage ditch of the spiral extrusion dehydration structure and is output together.

The embodiment of the utility model provides a production system of scale deep-processing crayfish has following beneficial effect:

(1) two pre-separation rotary screens are arranged in front of the primary separation screen structure, the processing capacity is higher, in the screening process, crayfish is separated (the fed crayfish is easily held or bonded together) so as to guarantee the primary separation and secondary separation effects, the amount of the crayfish output by the pre-separation rotary screens is reduced, and the primary separation effect can be guaranteed.

(2) Collect and can multi-thread collection a plurality of multistage sorting unit output crayfishes with distributor to multi-thread output is to a plurality of belt cleaning devices, lets belt cleaning device and follow-up device high-efficient work, promotes production efficiency. And the structure is compact, and the arrangement and the operation are convenient.

(3) The manual shrimp peeling device can automatically input the turnover basket filled with crayfishes and automatically output the turnover basket filled with shelled shrimps, and automatically outputs and gathers wastes, so that a large amount of manpower is saved, and the manual shrimp peeling device is suitable for large-scale production; simultaneously can collect and gather the shrimp shell so that the processing of shrimp shell processing apparatus.

(4) Conveying the cold water of the cooling process to the feeding end and the discharging end of the pre-cooling process to spray and cool the surface of the crayfish, so that the temperature of the crayfish is slightly reduced before the crayfish enters the next process, and the temperature of the crayfish between two adjacent processes is more smoothly reduced; meanwhile, the sprayed cold water is supplemented into the pre-cooling structure, so that the temperature of the water in the pre-cooling structure is relatively stable (the temperature cannot be gradually increased). Through the test, adopt the pretreatment system that this patent provided to handle the crayfish, the shelled shrimp is more fresh and tender.

(5) The cooling structure has better cooling effect (crayfish rolls on the cooling conveyer belt, sprays simultaneously and makes the temperature of cold water more even (spray and also can stir cold water simultaneously), can not appear the not in place problem of the central cooling of crayfish) and cooling rate is faster (generally only need within 8 minutes, and prior art needs more than 10 minutes).

(6) The shrimp shell processing device is used for recycling the shrimp shells generated in the crayfish processing process, so that dry shrimp shell powder can be obtained, the solid waste processing process is reduced, and extra income is generated.

In a word, the system is suitable for large-scale production, the automation degree is relatively high, and the daily processing amount can reach more than 300 tons.

Drawings

FIG. 1 is a block flow diagram of a production system for large-scale deep processing of crayfish according to an embodiment of the present invention;

fig. 2 is a block flow diagram of a multi-stage sorting apparatus according to an embodiment of the present invention;

fig. 3 is a block flow diagram of a pretreatment device provided by an embodiment of the present invention;

fig. 4 is a block flow diagram of a shrimp shell processing device provided by an embodiment of the present invention;

FIG. 5 is a schematic view of a configuration in which a multi-stage sorting apparatus is combined with a collecting and distributing apparatus;

FIG. 6 is a schematic diagram of the structure of the collecting feed structure;

FIG. 7 is a schematic structural view of a dispensing tap structure;

FIG. 8 is a schematic diagram of a combination of a cooking configuration and a pre-cooling configuration;

FIG. 9 is a schematic structural view of a cooling structure;

FIG. 10 is a schematic view of a combination of a plurality of artificial shrimp peeling apparatuses;

FIG. 11 is a schematic structural view of a combination of the manual shrimp peeling device;

FIG. 12 is a schematic view of the structure of the table;

fig. 13 is a schematic view of the combination of the lower conveying structure and the summarizing conveyor belt.

In the figure: 1, a multistage sorting device and a 10-drum sieve;

the automatic sorting machine comprises a front 20 conveying structure, a rear 21 conveying structure, a collecting 22 feeding structure, a distributing 23 discharging structure, a lifting 24 conveying belt, a 25 distributing door, a 26 distributing port, a 27 manual picking platform and a 28 weighing belt;

30 a cleaning structure, 31 a cooking structure and 32 a precooling structure;

40 working tables, 41 upper conveying structures, 42 material abandoning holes, 43 lower conveying structures, 44 water spray nozzles, 45 material guide grooves, 46 water receiving discs, 47 gathering conveying belts and 48 grooves;

a 51 cooling pool, a 52 cooling conveyer belt, a 53 cooling pool, a 54 cooling coil, a 55 first filter box, a 56 cooling spray pipe, a 57 bubbling pipe and a 58 second filter box;

61, a cooking horizontal section, 62, a cooking ascending section and 63, a cooking output section;

a 71 precooling horizontal section, a 72 precooling ascending section, a 73 precooling output section, a 74 spraying conveying structure, a 75 front spraying pipe and a 76 rear spraying pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.

Example 1

Referring to fig. 1-13, embodiment 1 provides a production system for large-scale deep-processing crayfish, which comprises a collecting and distributing device (for collecting and distributing crayfish), a freezing device (for freezing shrimp meat), an ice coating device (for coating ice on the frozen shrimp meat), a packaging device, B multi-stage sorting devices 1 (for grading the crayfish), C pretreatment devices (for cleaning, cooking, pre-cooling and cooling the crayfish), D artificial crayfish peeling devices (for manually peeling the crayfish to obtain the shrimp meat), and the like. Multistage sorting unit 1 is including selecting separately feeding structure and a trommel 10 (by preceding to the downward setting of back slant) that connects gradually in series, and the coarse fodder export (the fine material export is exported to next stage trommel 10, and last stage trommel 10 is used for screening out tiny impurity) of every trommel 10 is as a selection discharge gate. Wherein, preprocessing device includes by preceding washing structure 30, boiling structure 31, precooling structure 32 and the cooling structure etc. that connects gradually after to, and freezing device locates the artifical rear of shelling the shrimp device (use the turnover basket to transport through the manual work), and freezing device, package ice device and packing plant connect gradually through the conveyer belt and are the same with prior art. The B multi-stage sorting devices 1 are arranged side by side left and right and are positioned in front of the collecting and distributing devices, the C pretreatment devices are arranged side by side left and right, and the D manual shrimp peeling devices are arranged side by side left and right.

Referring to fig. 1-2, each multi-stage separation device 1 further includes two pre-separation trommel screens (arranged obliquely downward from front to back) arranged side by side from left to right, the pre-separation trommel screens are positioned in front of the first-stage trommel screen 10, and the separation feeding structure is divided into two paths (which can be equally divided) and output to the two pre-separation trommel screens. The coarse material outlets of the two pre-separation trommel screens are both output (realized by corresponding structures) to the first stage trommel screen 10, and the fine material outlets thereof are both output (realized by corresponding structures) to the second stage trommel screen 10. The screen aperture of the pre-separation rotary screen is smaller than that of the first-stage rotary screen 10.

Specifically, referring to fig. 2, the number of the trommel screens 10 in the present embodiment is four, and accordingly, the multi-stage sorting apparatus 1 has four sorting discharge ports, and the screen mesh diameters of the pre-separation trommel screen, the first stage trommel screen, the second stage trommel screen, the third stage trommel screen and the fourth stage trommel screen are D1, D2, D3, D4 and D5, respectively; d2 is more than D3 is more than D4 is more than D5 so as to ensure gradual grading, and the specific size is set according to actual needs; d4 is not more than D1 is more than D2, so that a part of crayfishes are separated before the first-stage classification, but the subsequent classification cannot be influenced, and the size of the crayfishes is set according to the actual classification effect. More specifically, D1 is 1.3-1.6cm, D2 is 1.7-1.9cm, D3 is 1.5-1.7cm, D4 is 1.2-1.4cm, and D5 is 0.6-1.0 cm.

Wherein, referring to fig. 5-7, the collecting and distributing device is arranged in left and right direction and comprises a frame and thereon a front conveying structure 20 (for collecting crawfish), a rear conveying structure 21 (for collecting crawfish), a collecting and feeding structure 22 (for conveying crawfish) and a distributing and discharging structure 23 (for conveying crawfish), etc. Wherein, preceding transport structure 20 and back transport structure 21 are set up side by side and transport direction is opposite from front to back, and preceding transport structure 20 and back transport structure 21 constitute the endless conveying structure. Preceding transport structure 20 is along controlling to setting up and its A preceding horizontal transport belt that includes setting up side by side from top to bottom (set up to the level about following), back transport structure 21 is along controlling to setting up and its A back horizontal transport belt that includes setting up side by side from top to bottom (set up to the level about following), a preceding horizontal transport belt forms A closed loop transport structure with A back horizontal transport belt end to end connection (directly connecting, perhaps through connections such as the conveyer belt of fore-and-aft or promotion conveyer belt), back horizontal transport belt is located same horizontal plane or the preceding horizontal transport belt height that corresponds with the preceding horizontal transport belt that corresponds. Collect the feeding structure 22 and locate preceding transport structure 20's front side and it includes B group's feeding unit, every group feeding unit is including controlling a that sets up side by side and promoting conveyer belt 24 (being located corresponding drum sieve directly behind), B group's feeding unit locates B multistage sorting unit 1 directly behind respectively, every multistage sorting unit 1A divides to elect the material mouth to be connected with A of the same group promotes the front end of conveyer belt 24 respectively, A of the same group promotes the rear end of conveyer belt 24 and is connected with A preceding horizontal conveyor belt through A feeding chute respectively, the separation discharge gate of the same level is connected with same preceding horizontal conveyor belt. Distribution ejection of compact structure 23 locates the front side of back transport structure 21 and its blown down tank that includes C vertical settings, and C blown down tank is located C respectively and washs structure 30's feed inlet directly over, and back transport structure 21 is located the top of wasing structure 30, and back horizontal conveyor's front side just corresponds blown down tank department and is equipped with C branch material mouth 26 that has branch material door 25 (can realize the branch material output of cray).

Wherein, referring to fig. 10-13, the artificial shrimp peeling device is located at the rear of the cooling structure and comprises two work tables 40 (stainless steel rectangular table tops specifically arranged along the front-back direction) arranged side by side from left to right, and the distance between two adjacent work tables 1 (all) is required to be capable of standing two rows of operators and convenient to operate. The worktable 40 is arranged along the front-back direction, the middle part of the table top is provided with an upper conveying structure 41 used for conveying the turnover basket along the front-back direction, the left side and the right side of the table top are respectively provided with a row of waste material holes 42 (two rows including a plurality of waste material holes 42 arranged side by side in the front-back direction), the lower part of the middle part of the table top is provided with a lower conveying structure 43 used for conveying waste material along the front-back direction, and a water spray nozzle 44 is arranged on the table top and positioned at each waste material hole 42. A material guide groove 45 (specifically, a material guide groove or a material guide pipe which is obliquely arranged) with a downward conveying structure 43 is arranged below the material abandoning hole 42, the front end and the rear end of the upper conveying structure 41 extend forwards and backwards relative to the corresponding end of the workbench 40, the two upper conveying structures 41 of the same artificial shrimp peeling device are connected end to end (a turnover basket which is filled with crayfish is placed in the front of the circulation conveying structure manually, a turnover basket which is filled with shrimp meat is picked out at the rear of the circulation conveying structure manually, an operator at the same end of the circulation conveying structure can be simultaneously responsible for a plurality of shrimp peeling units, specifically, a conveying belt which is arranged in the left-right direction can be adopted) to form the circulation conveying structure, and the lower conveying structures 43 of all the workbenches 40 (a plurality of artificial shrimp peeling devices) are gathered together.

Wherein, the embodiment of the utility model provides an A is the integer of 3-6, and B is the integer of more than or equal to 3, and C is greater than A and its integer that is more than or equal to 5, and D is the integer of more than or equal to 2.

Referring to fig. 8, the cooling structure in the embodiment of the present invention includes a cooling tank 51 (specifically, a rectangular tank body) disposed along the front-back direction, a cooling conveyer belt 52 (specifically, a chain-link conveyer belt) disposed in the cooling tank 51 and along the front-back direction, a cooling tank 53 (specifically, a rectangular tank body) on the left side of the cooling tank 51, a cooling coil 54 (for cooling, connected to a corresponding cooling device through a pipeline) in the cooling tank 53, and the like. The front part of the cooling pond 53 is communicated with the front part of the cooling pond 51, the rear part of the cooling pond 53 is provided with a first filter box 55 (used for filtering cold water to avoid blocking spray holes) communicated with the cooling pond, a plurality of cooling spray pipes 56 (arranged along the left and right directions) are arranged on the cooling pond 51 and are positioned right above the cooling conveyer belt 52 in front and back side by side, and the lower sides of the cooling spray pipes 56 are provided with spray holes and are connected with the first filter box 55 through pipelines with spray pumps. A plurality of bubble tubes 57 are arranged in parallel in the front and back direction right below the cooling conveyor belt 52 (between two layers of conveyor belts (forming a ring shape) of the chain-net type conveyor belt), and the upper sides of the bubble tubes 57 (arranged in the left-right direction) are provided with air blowing holes and connected with an air blower through pipelines. The rear end of the cooling conveyor belt 52 extends obliquely backward and upward out of the cooling pool 51, and an air drying structure (connected with an air blower through a pipeline, specifically, an air drying pipe (a plurality of air holes are arranged side by side on the left and right of the lower side) or an air drying cavity (a strip-shaped air hole is arranged on the left and right of the lower side) is arranged above the cooling conveyor belt in the left and right direction). Further, the distance between the liquid level in the cooling pond 51 and the cooling conveyer belt 52 is preferably less than 10cm to ensure the effect of spray tumbling.

Preferably, referring to fig. 8-9, the cooling tank 51 of the embodiment of the present invention is provided with a second filtering box 58 (for filtering cold water to avoid blocking the spraying holes) connected thereto, and the second filtering box 58 is specifically provided at the front portion of the right side of the cooling tank 51. The cooking structure 31 is provided with a cooking conveyor belt along the front-back direction, the cooking conveyor belt comprises a horizontal cooking horizontal section 61 (located in hot water), a backward and upward inclined cooking ascending section 62 (upwards penetrating out of the hot water) and a horizontal cooking output section 63 from the front to the back, and the rear end of the cooking output section 63 is arranged above the front end of the precooling structure 32 and used for outputting crayfish. The precooling structure 32 is provided with precooling conveyor belts in the front-back direction, the precooling conveyor belts comprise a horizontal precooling horizontal section 71 (located in clear water), a precooling ascending section 72 (upwards penetrating out of clear water) which inclines backwards and upwards and a horizontal precooling output section 73 from front to back, and the precooling output section 73 is used for outputting crayfish from the rear end to the upper part of the front end of the cooling structure. A spraying and conveying structure 74 is arranged between the cooking output section 63 and the front end of the pre-cooling structure 32, the spraying and conveying structure 74 is positioned under the cooking output section 63 and conveys the crayfishes to the pre-cooling structure 32, the spraying and conveying structure 74 is arranged in the front-back direction, and a plurality of front spraying pipes 75 are arranged in parallel in the front-back direction above the spraying and conveying structure 74 and used for spraying and cooling the surfaces of the crayfishes. Water from the front shower 75 flows into the pre-cooling structure 32. A plurality of rear spray pipes 76 (positioned above the clear water in the pre-cooling structure 32) are arranged in parallel in front and at the back above the pre-cooling ascending section 72 and are used for spraying and cooling the surface of the crayfish and cleaning impurities on the surface of the crayfish, and water sprayed by the rear spray pipes 76 flows into the pre-cooling structure 32. The front spray pipe 75 and the rear spray pipe 76 are both connected with the second filter tank 58 through pipelines with pumps, the precooling structure 32 is connected with the cleaning structure 30 through a pipeline with a pump and used for supplementing the lost clean water in the cleaning structure 30, and a water supplementing pipe is arranged in the cooling tank 51 or the refrigerating tank 53 (preferably) and used for supplementing the normal-temperature clean water. Specifically, a chain mesh conveyor belt is arranged on the spray conveying structure 74 in the front-back direction, the chain mesh conveyor belt is arranged obliquely backwards and upwards (the inclination angle is smaller, usually smaller than 10 degrees, and the length is smaller than 2 m), and the front spray pipe 75 is positioned above the chain mesh conveyor belt.

Specifically, referring to fig. 5-7, the discharge chute in the embodiment of the present invention is a rectangular tube with an open rear side, and a discharge chute is disposed on the material distribution port 26 and in the discharge chute for guiding the crayfish downward, and the discharge chute is disposed obliquely downward from the rear to the front. The lower side of the discharging chute is provided with a baffle plate which can shield the rear side of the discharging chute and is used for preventing crayfish from falling into wrong rear horizontal conveyor belt, the baffle plate (rectangular plate) is obliquely and downwards arranged from front to back, and the lower end of the baffle plate is arranged above the front part of the material distributing opening 26 of the next rear horizontal conveyor belt. The feeding chute (rectangular pipe) is arranged along the vertical direction, is arranged in front of the front horizontal conveying belt, and the lower end of the feeding chute is bent backwards to the adjacent upper part (between two adjacent front horizontal conveying belts) corresponding to the front horizontal conveying belt. The rear ends of the lifting belts 24 (or weighing belts 28) are all above the uppermost front horizontal conveyor. The front and back sides of the rear horizontal conveying belt are provided with guard plates, and the guard plate at the front side is provided with C material distributing openings 26 (rectangular openings) in parallel at the left and right. The distributing door 25 (specifically, a rectangular plate, the length of which is required to be greater than the width of the rear horizontal conveyor belt) is rotatably arranged on one side of the distributing port 26 close to the discharge end of the rear horizontal conveyor belt through a vertically arranged rotating shaft, and can rotate around the rotating shaft to enable the other end of the distributing door to abut against a guard plate on the rear side to block the rear horizontal conveyor belt, and the distributing door is positioned above the adjacent rear horizontal conveyor belt.

Preferably, referring to fig. 5, the manual picking platform 27 is disposed between the sorting discharge port and the front end of the corresponding lifting conveyer 24 along the front-back direction, and the manual picking platforms 27 are disposed side by side left and right. The manual picking platform is used for manually picking out unqualified crayfishes or impurities, and the specific structure of the manual picking platform can be specifically described in application number CN 201921995766.2. The sorting discharge port and the lifting conveyer belt 24 are respectively connected with the front end and the rear end of the conveyer belt on the manual picking platform 27. A weighing belt 28 is arranged between the rear end of the lifting conveyor belt 24 and the top end of the corresponding feeding chute along the front-back direction for weighing the classified crayfishes.

In the embodiment of the present invention, the upper conveying structure 41 is a chain-link type conveying belt (the width of the upper conveying structure is larger than that of the turnover basket), and the lower conveying structure 43 is a chain-link type conveying belt (narrower). The abandoned holes 42 in the same row are arranged at equal intervals, the abandoned holes 42 are rectangular holes arranged along the front-back direction, the water spray nozzles 44 are arranged in the front of the inner side or the rear of the abandoned holes 42, the material guide grooves 45 are obliquely arranged from outside to inside downwards, and the lower ends of the material guide grooves are arranged right above the lower conveying structures 43 (corresponding sides).

Further, a water pan 46 is disposed under the lower conveying structure 43 in the embodiment of the present invention along the front-back direction for receiving water flowing down from the lower conveying structure 43 (the material guiding chute 45). The left and right sides of the drip tray 46 extend outwardly relative to the corresponding sides of the lower conveying structure 43. The water pan 46 is a rectangular groove disposed in the front-back direction, and is fixed to the bottom of the workbench 40. A collecting conveyor 47 is provided below the tables 40 (intermediate positions), and the collecting conveyor 47 is provided in the left-right direction and is located below all the tables 40. Lower transport structure 43 comprises two sub-conveyer belts (opposite in conveying direction and all carry to gathering conveyer belt 47) that the interval set up from beginning to end, and the looks remote site of two sub-conveyer belts all is located gathering conveyer belt 47's top and all exports to gathering conveyer belt 47 and in order to gather the discarded object, gathers conveyer belt 47 and is located slot 48 (be used for two, firstly install and gather conveyer belt 47, secondly collect waste water), and water collector 46 (be close to slot 48 one end lower part be equipped with the wash port (be located slot 48 and correspond the side directly over) with slot 48 intercommunication.

Further, referring to fig. 1 and 4, the production system provided by the embodiment of the present invention further includes a shrimp shell processing apparatus, the shrimp shell processing apparatus includes a screw extrusion dehydration structure (for extrusion dehydration and preliminary crushing of shrimp shell for subsequent drying, simultaneously reduce the volume so as to be convenient for transport and drying), a roller drying structure (drying the shrimp shell), a roller cooling structure (cooling the shrimp shell), a crushing structure (crushing the shrimp shell, which can be achieved by a crusher for common feed), a cyclone separation structure (for separating crushed small particle substances, raise dust when avoiding use), a powder packaging structure (for packaging, which can be achieved by a packaging device for common feed), a drying cyclone (for tail gas treatment), a cooling cyclone (for tail gas treatment) and a bag type dust collector (for tail gas treatment), etc. The discharge end of gathering conveyer belt 47 is connected with the feed inlet of screw extrusion dewatering structure, and screw extrusion dewatering structure, cylinder drying structure and cylinder cooling structure connect gradually through the conveyer belt, and the discharge gate of cylinder cooling structure passes through screw conveying structure to be connected with crushing structure's feed inlet, and crushing structure's discharge gate (enclosed construction) is connected with cyclone separation structure's feed inlet through the pipeline of taking the fan (can set up between cyclone separation structure's tail gas export and bag collector). The discharge port of the cyclone separation structure is connected with the powder packaging structure through a spiral conveying structure, and the tail gas outlet (which can be provided with a fan) of the cyclone separation structure is connected with the bag type dust collector through a pipeline. Drying cyclone is connected with the drying tail gas outlet of the roller drying structure through a pipeline with a fan, cooling cyclone is connected with the cooling tail gas outlet of the roller cooling structure through a pipeline with a fan, and the groove 48 is connected with the drainage ditch of the spiral extrusion dehydration structure and is output together to treat the wastewater in a centralized manner.

Example 2

Referring to fig. 1-13, embodiment 2 provides a method for producing crayfish in large scale by deep processing, which adopts the production system provided by embodiment 1, and comprises the following steps:

(1) multi-stage separation: before each multi-stage sorting device 1 is used for sorting, feeding materials are firstly screened by two pre-separation rotary screen; the coarse material outlets of the two pre-separation rotary screens are both output to the first-stage rotary screen 10, and the fine material outlets thereof are both output to the second-stage rotary screen 10; the mesh aperture of the pre-separation rotary screen is smaller than that of the first-stage rotary screen 10; the coarse material outlet of each stage of trommel screen 10 is output to the manual picking platform 27, and the fine material outlet is output to the next stage of trommel screen 10.

(2) Manually picking: the artificial picking platform 27 is used for manually picking out the crayfishes which do not meet the requirements, and the artificial picking platform 27 outputs the crayfishes to the corresponding lifting conveyer belt 24.

(3) Weighing: the crayfish output from the lifting conveyor 24 is weighed by the weighing belt 28.

(4) Multi-line collection: collect the crayfish of B multistage sorting unit 1 output through preceding conveying structure 20 and collection feed structure 22, on the A branch of every multistage sorting unit 1 selects out the material mouth and exports the A preceding horizontal conveyor who corresponds on preceding conveying structure 20 respectively, the same grade divides selects out the material mouth and exports the horizontal conveyor before same.

(5) And (3) multi-line allocation: the crayfishes on the A front horizontal conveying belt are output to the corresponding A rear horizontal conveying belt, the A front horizontal conveying belt and the corresponding A rear horizontal conveying belt are connected end to form A closed-loop conveying structures, and the crayfishes on the A rear horizontal conveying belt are output to the C cleaning structures 30 through the rear conveying structures 21 and the distribution discharging structures 23.

(6) Cleaning: the crayfish is cleaned in the cleaning structure 30 and output to the cooking structure 31 at the rear, and clean water output from the pre-cooling structure 32 is replenished in the cleaning structure 30.

(7) And (3) cooking: the crayfish is cooked in the cooking configuration 31 and output to the rear pre-cooling configuration 32.

(8) Pre-cooling: the front part of the precooling structure 32 is provided with a spraying conveying structure 74, the spraying conveying structure 74 is arranged in the front-back direction, and a plurality of front spraying pipes 75 are arranged in parallel in the front-back direction above the spraying conveying structure 74; a plurality of rear spray pipes 76 are arranged in parallel front and back above the pre-cooling ascending section 72 of the pre-cooling structure 32; the front spray pipe 75 and the rear spray pipe 76 spray the crayfishes by using cold water output by the cooling structure, and the crayfishes are finally output to the cooling structure.

(9) And (3) cooling: the crayfish is cooled in a cooling structure and collected manually using a turnaround basket.

(10) Manually peeling shrimps: manually placing the turnover basket at the front end of an upper conveying structure 41 of the manual shrimp peeling device, wherein the manual shrimp peeling device comprises two work tables 40 which are arranged side by side from left to right; the upper conveying structures 41 on the two work tables 40 are connected end to form a circulating conveying structure, the upper conveying structures 41 convey the turnover baskets in a circulating manner, the turnover baskets with crayfish are manually taken down from the upper conveying structures 41 and manually shelled, the turnover baskets with shelled crayfish are placed on the upper conveying structures 41, and the lower conveying structures 43 of all the work tables 40 are gathered together and output to the shrimp shell processing device to be used for collecting the shrimp shells and output to the shrimp shell processing device to be processed.

(11) Freezing: the turnover basket with the shelled crayfishes at the rear end of the upper conveying structure 41 is manually conveyed to a freezing device for freezing and is output to an ice wrapping device.

(12) Wrapping ice: and (4) carrying out ice coating treatment on the shelled crayfishes in an ice coating device and outputting the crayfishes to a packaging device.

(13) Packaging: the crayfish after the shell is removed is packed in a packing device.

(14) And (3) refrigerating: and (5) conveying the packaged crayfish to a freezing warehouse for refrigeration.

Specifically, in the step (1), the number of stages of the multi-stage sorting is 3-6; in the step (6), washing in normal temperature water for 15-25 minutes; in the step (7), steaming in boiling water for 3-5 minutes; pre-cooling in water of 2-6 deg.c for 4-6 min in step (8); in the step (9), cooling in cold water at-4 to-7 ℃ for 6 to 8 minutes; in (11), the shelled crayfish is frozen to-42 to-35 ℃.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The production system for the large-scale deep processing of the crayfishes comprises a refrigerating device, an ice wrapping device, a packaging device, B multi-stage sorting devices (1), C pretreatment devices and D artificial crayfish peeling devices, wherein the multi-stage sorting devices (1) comprise sorting feeding structures and A rotary screens (10) which are sequentially connected in series, a coarse material outlet of each rotary screen (10) serves as a sorting discharge hole, the pretreatment devices comprise a cleaning structure (30), a cooking structure (31), a precooling structure (32) and a cooling structure which are sequentially connected from front to back, the refrigerating device is arranged behind the artificial crayfish peeling devices, and the refrigerating device, the ice wrapping device and the packaging device are sequentially connected through a conveying belt; it is characterized in that the preparation method is characterized in that,

the production system also comprises a collecting and distributing device, wherein B multi-stage sorting devices (1) are arranged side by side at the left and right and are positioned in front of the collecting and distributing device, C pretreatment devices are arranged side by side at the left and right, and D manual shrimp peeling devices are arranged side by side at the left and right;

the multi-stage sorting device (1) further comprises two pre-separation rotary screens which are arranged side by side from left to right, the pre-separation rotary screens are positioned in front of the first-stage rotary screen (10), and the sorting and feeding structure is divided into two paths to be output to the two pre-separation rotary screens; coarse material outlets of the two pre-separation rotary screens are both output to the first-stage rotary screen (10), and fine material outlets thereof are both output to the second-stage rotary screen (10); the mesh aperture of the pre-separation rotary screen is smaller than that of the first-stage rotary screen (10);

the collecting and distributing device is arranged along the left-right direction and comprises a rack, and a front conveying structure (20), a rear conveying structure (21), a collecting and feeding structure (22) and a distributing and discharging structure (23) which are arranged on the rack; the front conveying structure (20) and the rear conveying structure (21) are arranged in parallel from front to back and are opposite in conveying direction, the front conveying structure (20) is arranged in the left-right direction and comprises A front horizontal conveying belts arranged side by side from top to bottom, the rear conveying structure (21) is arranged in the left-right direction and comprises A rear horizontal conveying belts arranged side by side from top to bottom, and the A front horizontal conveying belts and the corresponding A rear horizontal conveying belts are connected end to form A closed-loop conveying structures; the collecting and feeding structure (22) is arranged on the front side of the front conveying structure (20) and comprises B groups of feeding units, each group of feeding units comprises A lifting conveying belts (24) which are arranged side by side from left to right, the B groups of feeding units are respectively arranged right behind the B multi-stage sorting devices (1), A sorting material outlets of each multi-stage sorting device (1) are respectively connected with the front ends of the A lifting conveying belts (24) in the same group, the rear ends of the A lifting conveying belts (24) in the same group are respectively connected with the A front horizontal conveying belts through A feeding chutes, and the sorting material outlets in the same stage are connected with the same front horizontal conveying belt; the distributing and discharging structure (23) is arranged on the front side of the rear conveying structure (21) and comprises C vertically arranged discharging grooves, the C discharging grooves are respectively arranged right above the feeding holes of the C cleaning structures (30), the rear conveying structure (21) is positioned above the cleaning structures (30), and C distributing holes (26) with distributing doors (25) are arranged on the front side of the rear horizontal conveying belt and correspond to the discharging grooves;

the artificial shrimp peeling device is positioned behind the cooling structure and comprises two workbenches (40) which are arranged side by side on the left and the right; the working table (40) is arranged in the front-back direction, the middle part of the table top is provided with an upper conveying structure (41) for conveying the turnover basket in the front-back direction, the left side and the right side of the table top are respectively provided with a row of abandoned material holes (42) in the front-back direction, the lower part of the middle part of the table top is provided with a lower conveying structure (43) for conveying wastes in the front-back direction, and a water nozzle (44) is arranged on the table top and positioned at each abandoned material hole (42); a guide chute (45) with a downward conveying structure (43) inclined is arranged below the material abandoning hole (42), the front end and the rear end of the upper conveying structure (41) extend forwards and backwards relative to the corresponding ends of the working tables (40), the two upper conveying structures (41) are connected end to form a circulating conveying structure, and the lower conveying structures (43) of all the working tables (40) are gathered together.

2. The system for producing the scaled deep processed crayfish as claimed in claim 1, wherein A is an integer of 3 to 6, B is an integer of 3 or more, C is an integer of 5 or more larger than A, and D is an integer of 2 or more.

3. The production system for scaled deep processing crawfish according to claim 1, wherein the cooling structure comprises a cooling pool (51) arranged in front and back direction, a cooling conveyer belt (52) arranged in the cooling pool (51) and in front and back direction, a refrigerating pool (53) at left side of the cooling pool (51) and a cooling coil (54) in the refrigerating pool (53); the front part of the cooling pond (53) is communicated with the front part of the cooling pond (51), the rear part of the cooling pond (53) is provided with a first filter box (55) communicated with the cooling pond, a plurality of cooling spray pipes (56) are arranged on the cooling pond (51) and are positioned right above the cooling conveyer belt (52) in a front-back side-by-side mode, and spray holes are formed in the lower side of each cooling spray pipe (56) and are connected with the first filter box (55) through a pipeline with a spray pump; be equipped with many bubbling pipes (57) around cooling conveyer belt (52) under side by side, the upside of bubbling pipe (57) is equipped with the air drum hole and it passes through the pipeline and is connected with the air-blower, the rear end of cooling conveyer belt (52) is upwards stretched out cooling bath (51) and its top along controlling to being equipped with the air-dry structure to the slant.

4. A production system for scaled deep processing crayfish as claimed in claim 3 wherein the cooling tank (51) is provided with a second filtering tank (58) communicated therewith; a cooking conveying belt is arranged in the cooking structure (31) along the front-back direction, the cooking conveying belt comprises a horizontal cooking horizontal section (61), a cooking ascending section (62) which inclines backwards and upwards and a horizontal cooking output section (63) from front to back, and the rear end of the cooking output section (63) is arranged above the front end of the precooling structure (32); a pre-cooling conveying belt is arranged in the pre-cooling structure (32) along the front-back direction, the pre-cooling conveying belt comprises a horizontal pre-cooling horizontal section (71), a pre-cooling ascending section (72) which inclines backwards and upwards and a horizontal pre-cooling output section (73) from front to back, and the rear end of the pre-cooling output section (73) is arranged above the front end of the cooling structure; a spray conveying structure (74) is arranged between the cooking output section (63) and the front end of the precooling structure (32), the spray conveying structure (74) is arranged in the front-back direction, and a plurality of front spray pipes (75) are arranged in parallel in the front-back direction above the spray conveying structure (74); a plurality of rear spray pipes (76) are arranged in parallel front and back above the precooling ascending section (72); the front spray pipe (75) and the rear spray pipe (76) are connected with the second filter tank (58) through pipelines with pumps, and the precooling structure (32) is connected with the cleaning structure (30) through pipelines with pumps.

5. The production system for the large-scale deep processing of the crayfish as claimed in claim 1, wherein the discharge chute is a rectangular pipe with an opening at the rear side, a discharge chute is arranged in the discharge chute above the material distribution port (26) and positioned in the discharge chute, the discharge chute is obliquely arranged from the rear to the front downwards, a baffle capable of shielding the rear side of the discharge chute is arranged at the lower side of the discharge chute, the baffle is obliquely arranged from the front to the rear downwards, and the lower end of the baffle is arranged to the front upper part of the material distribution port (26) of the next rear horizontal conveying belt; the feeding chute is arranged along the vertical direction, is arranged in front of the front horizontal conveying belt, and the lower end of the feeding chute is bent backwards to the adjacent upper part of the corresponding front horizontal conveying belt; the rear ends of the lifting conveyor belts (24) are all arranged above the front horizontal conveyor belt at the top.

6. The production system for the scaled deep-processing crayfish as claimed in claim 1, wherein the manual picking platforms (27) are arranged between the sorting discharge port and the front end of the corresponding lifting conveyor belt (24) along the front-back direction, and the manual picking platforms (27) are arranged side by side left and right; and a weighing belt (28) is arranged between the rear end of the lifting conveyor belt (24) and the top end of the corresponding feeding chute along the front-back direction.

7. The production system for the scaled deep-processing crayfish according to claim 1, characterized in that a water pan (46) is arranged right below the lower conveying structure (43) along the front-back direction, the left and right sides of the water pan (46) extend outwards relative to the corresponding side of the lower conveying structure (43), a summary conveyor belt (47) is arranged below the working tables (40), the summary conveyor belt (47) is arranged along the left-right direction and is positioned below all the working tables (40); lower transport structure (43) constitute by two sub-conveyer belts that the interval set up from beginning to end, and the looks remote site of two sub-conveyer belts all is located the top of gathering conveyer belt (47) and all exports to gathering on conveyer belt (47), gather conveyer belt (47) and be located slot (48), water collector (46) and slot (48) intercommunication.

8. The production system for the large-scale deep processing of the crayfish according to claim 7, characterized in that the production system further comprises a crayfish shell processing device, the crayfish shell processing device comprises a spiral extrusion dehydration structure, a roller drying structure, a roller cooling structure, a crushing structure, a cyclone separation structure, a powder packaging structure, a drying cyclone dust collector, a cooling cyclone dust collector and a bag type dust collector, the discharge end of the gathering conveyor belt (47) is connected with the feed inlet of the spiral extrusion dehydration structure, the roller drying structure and the roller cooling structure are sequentially connected through the conveyor belt, the discharge outlet of the roller cooling structure is connected with the feed inlet of the crushing structure through a spiral conveying structure, and the discharge outlet of the crushing structure is connected with the feed inlet of the cyclone separation structure through a pipeline with a blower; the discharge port of the cyclone separation structure is connected with the powder packaging structure through a spiral conveying structure, and the tail gas outlet of the cyclone separation structure is connected with the bag type dust collector through a pipeline; the drying cyclone dust collector is connected with a drying tail gas outlet of the roller drying structure through a pipeline with a fan, the cooling cyclone dust collector is connected with a cooling tail gas outlet of the roller cooling structure through a pipeline with a fan, and the groove (48) is connected with a drainage ditch of the spiral extrusion dehydration structure and is output together.