CN114806861A - Intelligent control system of circulating air heater for fish feed processing - Google Patents

Abstract

The invention discloses an intelligent control system of a circulating air heater for fish feed processing, which comprises processing equipment and a processing control system, wherein the processing control system is used for controlling the temperature control of the processing equipment in the fermentation process; the processing equipment comprises a fermentation cavity, the cavity wall of the fermentation cavity is of a double-layer hollow structure and forms a hollow area, and the hollow area of the fermentation cavity is used for storing a heat source inside the fermentation cavity and insulating the fermentation cavity; fermentation intracavity portion is provided with the rabbling mechanism that is used for the fermentation material, the (mixing) shaft of rabbling mechanism is hollow structure and forms well cavity, and a plurality of louvre has been seted up on the well cavity surface of (mixing) shaft, the well cavity of (mixing) shaft and heat supply pipeline intercommunication of heat supply mechanism make the (mixing) shaft accomplish the heat supply to the fermentation material through the louvre blowout at stirring in-process heat source, wash the heat source that disperses in the fermentation chamber inside the cavity in fermentation chamber, further guaranteed the heat preservation quality in fermentation chamber.

Description

Intelligent control system of circulating air heater for fish feed processing

Technical Field

The invention relates to the technical field of fish feed production, in particular to an intelligent control system of a circulating air heater for fish feed processing.

Background

Fish feed, as the name implies, is feed for fish. It is mainly composed of protein, fat, vitamins and minerals. The protein is an important nutrient substance for the survival of fishes and shrimps and is an important constituent substance for forming cells, tissues and organs of a body. The normal growth of fish needs enough protein in the feed, which is easy to digest and absorb and has proper proportion of various amino acids. When the fish ingests insufficient protein, the fish grows slowly, the immunity of the organism is reduced, and the protein is prepared by proper proportion of various amino acids. When the fish ingests insufficient protein, the growth is slow, the immunity of the organism is reduced, the tissue is renewed slowly, the wound healing force is poor, and the fish is easy to suffer from diseases.

The temperature regulation of current fish fodder fermenting installation in fermentation process is inconvenient, is unfavorable for thermal storage, leads to fish fodder heating process in the heat loss very fast, causes the heat source extravagant, simultaneously, exists obviously to be heated unevenly to the fermented material among the current fermenting installation, and the bottom fermented material is obvious with upper portion fermented material difference in temperature promptly, has reduced fermentation quality.

Disclosure of Invention

The invention aims to provide an intelligent control system of a circulating air heater for processing fish feed, which combines a heat supply mechanism and a stirring mechanism in the fermentation process, sets a stirring shaft into a hollow structure, inputs hot air flow into the hollow interior of the stirring shaft, and enables the hot air flow to spray hot air flow into overturned fermentation material along with the rotation of the stirring shaft, thereby enabling the heating speed of the hot air flow in the fermentation material to be faster and the heating to be more uniform, and sets a fermentation cavity into a double-layer hollow structure, flushing a heat source diffused in the fermentation cavity into the hollow interior of the fermentation cavity, and further ensuring the heat preservation quality of the fermentation cavity.

An intelligent control system of a circulating air heater for fish feed processing comprises processing equipment and a processing control system;

the processing control system is used for controlling the temperature control of the processing equipment in the fermentation process;

the processing equipment comprises a fermentation cavity, the cavity wall of the fermentation cavity is of a double-layer hollow structure and forms a hollow area, and the hollow area of the fermentation cavity is used for storing a heat source inside the fermentation cavity and insulating the fermentation cavity;

fermentation intracavity portion is provided with the rabbling mechanism that is used for the fermentation material, the (mixing) shaft of rabbling mechanism is hollow structure and forms well cavity, and a plurality of louvre has been seted up on the well cavity surface of (mixing) shaft, the well cavity of (mixing) shaft communicates with the heat supply pipeline of heat supply mechanism, makes the (mixing) shaft accomplish the heat supply to the fermentation material through the louvre blowout at stirring in-process heat source.

As a further scheme of the invention: the stirring mechanism comprises two completely consistent stirring parts, and the two stirring parts are symmetrically arranged in the fermentation cavity along the central line of the fermentation cavity;

the top end of the stirring shaft penetrates through the top surface of the fermentation cavity and is arranged in the fixed sleeve, the stirring shaft is fixedly provided with a helical blade and a turbine blade on the outer circumferential surface in the fermentation cavity, the turbine blade is positioned below the helical blade, and the distance between the turbine blade and the bottom surface in the fermentation cavity is 0.5-1 cm.

As a further scheme of the invention: the stirring shaft is arranged on the outer circumferential surface inside the fixed sleeve and is provided with an annular block matched with the annular groove, and the stirring shaft is rotatably connected in the annular groove of the fixed sleeve through the annular block.

As a further scheme of the invention: the heat supply mechanism comprises an air heater which is fixedly arranged on the top surface of the fermentation cavity, the output end of the air heater is connected with a heat supply pipe, and the heat supply pipe is connected with two heat transmission pipes;

the two heat transfer pipes penetrate through the top of the fixed sleeve and are respectively inserted into the two stirring shafts of the stirring mechanism.

As a further scheme of the invention: and a filter screen is arranged on the heat dissipation holes.

As a further scheme of the invention: the processing equipment also comprises a driving mechanism for the stirring mechanism;

the driving mechanism comprises a first motor, the output end of the first motor is connected with a rotating shaft, two ends of the rotating shaft, which are positioned in the fermentation cavity, are provided with second bevel gears through key connection, first bevel gears matched with the second bevel gears are arranged on two stirring shafts of the stirring mechanism, and the first bevel gears are meshed with the second bevel gears.

As a further scheme of the invention: the middle part of the top surface of the inner wall of the fermentation cavity is provided with a plurality of air guide groove groups towards two sides, and each air guide groove group comprises a plurality of air guide grooves.

As a further scheme of the invention: and drying mechanisms for dehumidifying hot air flow are arranged in the hollow structure of the fermentation cavity and positioned at two sides of the air guide groove group.

As a further scheme of the invention: the drying mechanism comprises a plurality of drying columns, and the drying columns are inserted into the hollow area of the fermentation cavity through the top surface of the fermentation cavity;

the drying column comprises a primary screw head, a secondary containing cylinder and a tertiary material receiving cylinder, and the primary screw head, the secondary containing cylinder and the tertiary material receiving cylinder are connected through threads;

the secondary receiving barrel is of a cavity latticed cylindrical structure without a cover at the top end, and the tertiary receiving barrel is of a cavity cylindrical structure without a cover at the top end;

calcium oxide is placed inside the secondary containing cylinder.

As a further scheme of the invention: the processing control system comprises a controller terminal, and the controller terminal is electrically connected with the temperature detection module and the temperature analysis module;

the temperature detection module is used for detecting the temperature of the fermentation material, and the temperature analysis module is used for supplying heat to the fermentation material according to the temperature detection value transmitted by the temperature detection module.

The invention has the beneficial effects that:

(1) in the process of inputting hot air flow into the fermentation cavity, the heat supply mechanism and the stirring mechanism are combined, the stirring shaft is arranged into a hollow structure, the hot air flow is input into the hollow interior of the stirring shaft, and the hot air flow is enabled to spray hot air flow into the turned fermentation material along with the rotation of the stirring shaft, so that the heating speed of the hot air flow in the fermentation material is higher;

(2) based on the principle of hot air flow in the fermentation cavity, namely, the air flow with high temperature rises upwards, so that the fermentation surface at the bottom of the fermentation cavity is heated slowly, and the temperature difference with the fermentation materials in other areas in the fermentation cavity is large, the turbine blades are arranged at the bottom of the stirring shaft, the fermentation materials at the bottom of the fermentation cavity are adsorbed by the turbine blades and are lifted and turned over by the spiral blades, so that the temperature inside the whole fermentation cavity is heated more uniformly, and the fermentation quality of the fermentation cavity is improved;

(3) according to the invention, the drying mechanism is additionally arranged in the hollow area of the fermentation cavity, namely, the calcium oxide is placed in the secondary containing cylinder, and the calcium oxide absorbs the moisture of the hot air flow in the hollow area of the fermentation cavity, so that the drying effect on the hot air flow entering the hollow area of the fermentation cavity is realized, the heat preservation time of the hot air flow in the hollow area of the fermentation cavity is prolonged, and meanwhile, the calcium oxide reacts with the moisture in the hot air flow, a large amount of heat can be generated, and the heat supplement of the fermentation cavity is further realized.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of a front view of the present invention;

FIG. 2 is a schematic structural view of a hollow region of a fermentation chamber according to the present invention;

FIG. 3 is a schematic view of the enlarged view at A in FIG. 1;

FIG. 4 is a schematic view of the enlarged view at B in FIG. 2;

FIG. 5 is a schematic view of the structure of the drying mechanism of the present invention;

fig. 6 is a schematic structural view of the guide groove of the present invention;

FIG. 7 is a schematic view of the structure of the stirring shaft of the present invention;

FIG. 8 is a schematic structural view of a loading platform of the present invention;

figure 9 is a schematic diagram of the crushing chamber of the present invention.

In the figure: 1. a fermentation chamber; 101. an air guide groove group; 102. a diversion trench; 103. a heat collection tank; 104. a flow guide pipe; 1041. a gas block; 1042. a liquid plugging block;

2. a stirring section; 201. a stirring shaft; 202. heat dissipation holes; 203. a helical blade; 204. a turbine blade; 205. a first bevel gear; 206. a ring block; 207. fixing a sleeve; 208. an annular groove;

3. a first motor; 301. a rotating shaft; 302. a second bevel gear;

4. a hot air blower; 401. a heat supply pipe; 402. a heat transfer pipe;

5. a drying mechanism; 501. a primary screw head; 502. a secondary containment drum; 503. a third-stage material collecting barrel;

6. a feeding table; 601. feeding a hopper; 602. a grinding chamber; 603. a second motor; 604. a first crushing roller; 605. a second crushing roller; 606. a first gear; 607. a second gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 9, the present invention relates to an intelligent control system of a circulating hot air blower for fish feed processing, which comprises a processing control system and a processing device;

the processing control system comprises a controller terminal, the controller terminal is electrically connected with a temperature detection module and a temperature analysis module, the temperature detection module is used for detecting the temperature of the fermentation material, and the temperature analysis module is used for performing heat supply treatment on the fermentation material on the temperature detection value transmitted by the temperature detection module;

the temperature detection module comprises a first temperature sensor and a second temperature sensor, the first temperature sensor is arranged on the bottom surface inside the fermentation cavity 1, the second temperature sensor is arranged in the middle of the rear side wall inside the fermentation cavity 1, the first temperature sensor is used for collecting the temperature Wt1 at the bottom of the fermentation material inside the fermentation cavity 1, the second temperature sensor is used for collecting the temperature Wt2 in the middle of the fermentation material inside the fermentation cavity 1, and t represents the temperature collection time;

a preset value Wy of the local temperature of the fermentation material and a preset final value Wz of the fermentation material are stored in the temperature analysis module;

the controller terminal receives temperature detection values transmitted by the first temperature sensor and the second temperature sensor, and sends the temperature Wt1 detected by the first temperature sensor and the temperature Wt2 detected by the second temperature sensor to the temperature analysis module;

the heat supply treatment of the temperature analysis module to the fermentation material comprises the following steps:

s1: processing the difference between Wt2 detected by the temperature sensor II and Wt1 in the same time, namely Wc = Wt2-Wt1 to obtain the internal temperature difference Wc of the fermentation product in the time;

s2: when the internal temperature difference Wc of the fermentation product is not less than the local temperature preset value Wy of the fermentation material, it indicates that the heating effect of the heating mechanism of the processing equipment on the fermentation material is good, and a data tag 1 is obtained;

s3: and when the internal temperature difference Wc of the fermentation product is smaller than the local temperature preset value Wy of the fermentation material, indicating that the heating effect of the heating mechanism of the processing equipment on the fermentation material is poor, and obtaining a data label 0.

In S2, Wt2 detected by the second temperature sensor and Wt1 detected by the first temperature sensor are calculated, namely, Wp = (Wt2+ Wt1)/2 is used for obtaining the internal temperature average value of the fermentation product in the time;

s21: when the internal temperature mean value Wp of the fermentation product is larger than or equal to the preset final value Wz of the fermentation material, the internal temperature mean value Wp indicates that the temperature in the fermentation cavity 1 reaches the fermentation temperature required by the fermentation material, a data tag 11 is obtained, the data analysis module sends the obtained data tag 11 to a controller terminal, and the controller terminal controls a heat supply mechanism and a stirring system of the processing equipment to stop working;

s22: when the internal temperature mean value Wp of the fermentation product is smaller than the preset final value Wz of the fermentation material, it is indicated that the temperature in the fermentation cavity 1 does not reach the fermentation temperature required by the fermentation material, a data tag 12 is obtained, the obtained data tag 12 is sent to a controller terminal by the data analysis module, and the controller terminal controls the heat supply mechanism of the processing equipment to continue working.

In S3, the controller terminal receives the data tag 0 transmitted by the temperature analysis module, and the controller terminal controls the heating mechanism and the stirring system of the processing device to continue operating.

The processing equipment is used for processing the fermentation of the fish feed, the processing equipment comprises a fermentation cavity 1, the fermentation cavity 1 is of a cuboid cavity structure, and the fish feed (fermentation material) is placed in the cavity of the fermentation cavity 1 for fermentation;

referring to fig. 1, a stirring mechanism for stirring the fermentation material is arranged inside the fermentation cavity 1, the stirring mechanism comprises two completely consistent stirring parts 2, and the two stirring parts 2 are symmetrically arranged along the central line of the fermentation cavity 1 in the fermentation cavity 1;

the stirring part 2 comprises a stirring shaft 201, the bottom end of the stirring shaft 201 is arranged on a rotating bearing on the inner bottom surface of the fermentation cavity 1, the top end of the stirring shaft 201 penetrates through the top surface of the fermentation cavity 1 and is arranged in a fixing sleeve 207, and the fixing sleeve 207 is fixedly arranged on the outer top surface of the fermentation cavity 1;

specifically, the fixing sleeve 207 is a hollow cylindrical structure with a lower end without a cover, an annular groove 208 is formed in the hollow of the fixing sleeve 207, an annular block 206 matched with the annular groove 208 is arranged on the outer circumferential surface of the stirring shaft 201 in the fixing sleeve 207, and the stirring shaft 201 is rotatably connected in the annular groove 208 of the fixing sleeve 207 through the annular block 206, so that the stirring shaft 201 is more stably erected on the fermentation cavity 1;

the stirring shaft 201 is fixedly provided with a helical blade 203 and a turbine blade 204 on the outer circumferential surface positioned in the fermentation cavity 1, the turbine blade 204 is positioned below the helical blade 203, and the distance between the turbine blade 204 and the inner bottom surface of the fermentation cavity 1 is 0.5-1 cm;

the whole inside of the turbine blade 204 is of a hollow structure;

referring to fig. 7, the stirring shaft 201 is a hollow structure with a top end without a cover, a plurality of heat dissipation holes 202 are formed in the stirring shaft 201, and a filter screen is arranged on the heat dissipation holes 202;

wherein, the last heat dissipation hole 202 on the stirring shaft 201 from top to bottom is substantially flush with the inner bottom surface of the stirring shaft 201.

Referring to fig. 1, a driving mechanism for driving the stirring mechanism is further arranged on the fermentation chamber 1, the driving mechanism includes a first motor 3, the first motor 3 is fixedly mounted on the outer side wall of the fermentation chamber 1, the output end of the first motor 3 is connected with a rotating shaft 301, the rotating shaft 301 penetrates through the side wall of the fermentation chamber 1 and is arranged inside the fermentation chamber 1, two ends of the rotating shaft 301, which are located inside the fermentation chamber 1, are provided with second bevel gears 302 through key connection, first bevel gears 205 which are matched with the second bevel gears 302 are arranged on two stirring shafts 201 of the stirring mechanism, and the first bevel gears 205 are in meshed connection with the second bevel gears 302;

during the use, first motor 3 drive pivot 301 rotates, and pivot 301 drive second bevel gear 302 at both ends respectively with the first bevel gear 205 meshing transmission on two (mixing) shafts 201 of rabbling mechanism to make (mixing) shaft 201 drive helical blade 203 and turbine blade 204 and rotate, turbine blade 204 is used for absorbing the fermentation thing in the fermentation chamber 1 through the bottom first, and promotes the absorbent fermented material through helical blade 203, and the upset of fermentation material is mixed in the promotion process.

Referring to fig. 1, a heating mechanism for heating the fermentation material is further arranged on the fermentation cavity 1, the heating mechanism comprises an air heater 4, the air heater 4 is fixedly arranged on the top surface of the fermentation cavity 1, the output end of the air heater 4 is connected with a heating pipe 401, the heating pipe 401 is connected with two heat transfer pipes 402, the two heat transfer pipes 402 penetrate through the top of the fixing sleeve 207 and are respectively inserted into two stirring shafts 201 of the stirring mechanism, and accordingly hot air flow is provided for the stirring shafts 201;

wherein, two heat transfer pipes 402 are respectively provided with a control valve, and the front end of the heat supply pipe 401 connected with the heat transfer pipe 402 is also provided with a control valve;

when the stirring mechanism is driven by the driving mechanism, hot air flow is input into the stirring shaft 201 of the stirring mechanism through the heat supply mechanism, and the hot air flows through the heat dissipation holes 202 on the stirring shaft 201 to be sprayed in an outward rotating mode, so that the fermentation material in the fermentation cavity 1 is heated.

Specifically, the cavity wall of the fermentation cavity 1 is a double-layer (outer wall and inner wall) hollow structure, a gap is reserved between the outer wall and the inner wall of the fermentation cavity 1, and hot air flows in the cavity wall of the fermentation cavity 1 through the gap, so that the fermented materials in the fermentation cavity 1 are comprehensively supplied with heat;

wherein, the front wall and the rear wall of the fermentation cavity 1 are both solid structures;

a plurality of air guide groove groups 101 are arranged towards two sides in the middle of the top surface of the inner wall of the fermentation cavity 1, each air guide groove group 101 comprises a plurality of air guide grooves, the direction of the groove opening of each air guide groove and the horizontal direction form a certain inclination angle, and drying mechanisms 5 for dehumidifying hot air flow are arranged in the hollow structure of the fermentation cavity 1 and located on two sides of each air guide groove group 101;

a plurality of diversion trenches 102 are arranged on the inner wall surfaces of the outer walls at the left side and the right side of the fermentation cavity 1 along the vertical direction, and the bottom ends of the diversion trenches 102 are directly communicated with the hollow area of the bottom wall of the fermentation cavity 1;

the outer wall surface of the inner wall of the bottom wall of the fermentation cavity 1 is provided with a plurality of heat collecting grooves 103 in a rectangular array, and the heat collecting grooves 103 can be square notches or circular notches, so that the heating effect of the bottom of the fermentation cavity 1 is better;

the notches of the plurality of heat collecting grooves 103 in the rectangular array can be communicated with each other, so that the heating efficiency of the bottom wall of the fermentation cavity 1 is improved;

a discharging pipe for discharging the fermentation material is arranged at the bottom of one side of the fermentation cavity 1, and a control valve is arranged on the discharging pipe;

a flow guide pipe 104 is additionally arranged at the bottom of the other side of the fermentation cavity 1, one end of the flow guide pipe 104 is communicated with the hollow area of the bottom wall of the fermentation cavity 1, a liquid outlet is formed in one end, away from the fermentation cavity 1, of the flow guide pipe 104, a detachable liquid blocking block 1042 is arranged on the liquid outlet, a gas outlet is formed in the top of the outer circumferential surface of one end, away from the fermentation cavity 1, of the flow guide pipe 104, and a detachable gas blocking block 1041 is arranged on the gas outlet;

through the setting of honeycomb duct 104, can avoid reducing the heat preservation effect of hot-air current to fermentation chamber 1 because of the regional ponding of fermentation chamber 1 diapire cavity, simultaneously, through the exhaust setting of gas vent, can avoid causing danger because of the atmospheric pressure is too high in the fermentation chamber 1 cavity region.

Referring to fig. 2 and 5, the drying mechanism 5 includes a plurality of drying pillars inserted into the hollow area of the fermentation chamber 1 through the top surface of the fermentation chamber 1;

specifically, the drying column comprises a first-stage screw head 501, a second-stage accommodating barrel 502 and a third-stage material collecting barrel 503, wherein an internal thread is formed inside the first-stage screw head 501, an external thread is formed at one end, connected with the first-stage screw head 501, of the second-stage accommodating barrel 502, and the second-stage accommodating barrel 502 is arranged on the first-stage screw head 501 through threaded connection;

an external thread is arranged at one end of the secondary accommodating barrel 502 connected with the tertiary material collecting barrel 503, an internal thread is arranged inside the tertiary material collecting barrel 503, and the tertiary material collecting barrel 503 is connected in the secondary accommodating barrel 502 through a thread;

specifically, the secondary accommodating barrel 502 is a cavity latticed cylindrical structure with a uncovered top end, and the tertiary material collecting barrel 503 is a cavity cylindrical structure with a uncovered top end;

the calcium oxide material is placed in the second-stage containing barrel 502, the first-stage screw head 501, the second-stage containing barrel 502 and the third-stage material collecting barrel 503 are in threaded connection, the first-stage screw head 501 is in threaded connection with a threaded hole in the top of the fermentation cavity 1, and the bottom of the third-stage material collecting barrel 503 is abutted to the bottom surface of a hollow area of the fermentation cavity 1.

A feeding platform 6 is arranged on one side of the top of the fermentation cavity 1, and a control valve is arranged on a discharge pipeline of the feeding platform 6;

specifically, the feeding table 6 comprises a feeding hopper 601 and a crushing cavity 602, the feeding hopper 601 is of a wedge-shaped structure, two baffles are arranged at an upper port of the feeding hopper 601, the two baffles are obliquely arranged in the feeding hopper 601, fish feed entering the feeding hopper 601 can be effectively prevented from overflowing, the fish feed also comprises floaters of fish feed raw materials in the processing process, and an outlet of the feeding hopper 601 is opposite to a crushing roller group of the crushing cavity 602;

the crushing roller group of the crushing cavity 602 comprises a first crushing roller 604 and a second crushing roller 605, the first crushing roller 604 and the second crushing roller 605 are arranged in the crushing cavity 602 side by side, and the first crushing roller 604 and the second crushing roller 605 are meshed with each other in the crushing cavity 602;

one end of the first crushing roller 604 penetrates through the front surface of the crushing cavity 602 and is connected with a first gear 606, one end of the second crushing roller 605 penetrates through the front surface of the crushing cavity 602 and is connected with a second gear 607, the first gear 606 is meshed with the second gear 607, and the end part of the first crushing roller 604 is connected with a second motor 603 through a coupling;

when the feeding table 6 is used specifically, fish feed raw materials are poured into the feeding hopper 601, so that the fish feed enters the crushing cavity 602 through the feeding hopper 601, the first gear 606 and the second gear 607 are driven to be meshed for transmission through the second motor 603, and the first crushing roller 604 and the second crushing roller 605 are driven to crush the fish feed, so that the granularity of the fish feed raw materials entering the fermentation cavity 1 is finer and more uniform, and the fermentation effect of the fish feed is improved.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims (10)

1. An intelligent control system of a circulating air heater for fish feed processing is characterized by comprising processing equipment and a processing control system;

the processing control system is used for controlling the temperature control of the processing equipment in the fermentation process;

the processing equipment comprises a fermentation cavity (1), the cavity wall of the fermentation cavity (1) is of a double-layer hollow structure and forms a hollow area, and the hollow area of the fermentation cavity (1) is used for storing a heat source inside the fermentation cavity (1) and insulating the fermentation cavity (1);

fermentation chamber (1) inside is provided with the rabbling mechanism that is used for the fermentation material, rabbling mechanism's (mixing) shaft (201) are hollow structure and form well cavity, and a plurality of louvre (202) have been seted up on the well cavity surface of (mixing) shaft (201), well cavity and the heat supply pipeline intercommunication of heat supply mechanism of (mixing) shaft (201) make (mixing) shaft (201) heat source accomplish the heat supply to the fermentation material through louvre (202) blowout at stirring in-process.

2. The intelligent control system of the circulating hot air blower for fish feed processing according to claim 1, wherein the stirring mechanism comprises two completely identical stirring parts (2), and the two stirring parts (2) are symmetrically arranged in the fermentation cavity (1) along the central line of the fermentation cavity (1);

the top of (mixing) shaft (201) runs through fermentation chamber (1) top surface and sets up in fixed cover (207), fixed helical blade (203) and turbine blade (204) of being provided with on (mixing) shaft (201) is located the inside outer periphery in fermentation chamber (1), turbine blade (204) are located the below of helical blade (203), and turbine blade (204) apart from the inside bottom surface in fermentation chamber (1) 0.5-1 centimetre.

3. The intelligent control system of the circulating air heater for fish feed processing as claimed in claim 2, wherein the fixing sleeve (207) is of a hollow cylindrical structure with an uncovered lower end and is fixedly arranged on the top surface of the stirring cavity (1), an annular groove (208) is formed in the hollow of the fixing sleeve (207), the stirring shaft (201) is arranged on the outer circumferential surface in the fixing sleeve (207) and is provided with an annular block (206) matched with the annular groove (208), and the stirring shaft (201) is rotatably connected in the annular groove (208) of the fixing sleeve (207) through the annular block (206).

4. The intelligent control system of the circulating hot air blower for fish feed processing according to claim 2, wherein the heat supply mechanism comprises a hot air blower (4), the hot air blower (4) is fixedly arranged on the top surface of the fermentation cavity (1), the output end of the hot air blower (4) is connected with a heat supply pipe (401), and two heat transmission pipes (402) are connected to the heat supply pipe (401);

the two heat transfer pipes (402) penetrate through the top of the fixing sleeve (207) and are respectively inserted into the two stirring shafts (201) of the stirring mechanism.

5. The intelligent control system of the circulating air heater for fish feed processing as claimed in claim 1, wherein a filter screen is arranged on the heat dissipation hole (202).

6. The intelligent control system of the circulating hot air blower for fish feed processing as claimed in claim 1, wherein the processing equipment further comprises a driving mechanism for the stirring mechanism;

the driving mechanism comprises a first motor (3), the output end of the first motor (3) is connected with a rotating shaft (301), two ends, located inside the fermentation cavity (1), of the rotating shaft (301) are provided with second bevel gears (302) through key connection, two stirring shafts (201) of the stirring mechanism are provided with first bevel gears (205) matched with the second bevel gears (302), and the first bevel gears (205) are meshed with the second bevel gears (302) to be connected.

7. The intelligent control system of the circulating air heater for fish feed processing according to claim 1, wherein a plurality of air guide groove sets (101) are arranged at the middle position of the top surface of the inner wall of the fermentation chamber (1) towards two sides, and the air guide groove sets (101) comprise a plurality of air guide grooves.

8. The intelligent control system of the circulating air heater for fish feed processing according to claim 7, wherein the drying mechanism (5) for dehumidifying hot air flow is arranged inside the hollow structure of the fermentation cavity (1) and at two sides of the air guide groove group (101).

9. The intelligent control system of the circulating hot air blower for fish feed processing according to claim 8, wherein the drying mechanism (5) comprises a plurality of drying columns, and the drying columns are inserted into the hollow area of the fermentation cavity (1) through the top surface of the fermentation cavity (1);

the drying column comprises a primary screw head (501), a secondary containing barrel (502) and a tertiary material collecting barrel (503), and the primary screw head (501), the secondary containing barrel (502) and the tertiary material collecting barrel (503) are connected through threads;

the secondary accommodating barrel (502) is of a cavity latticed cylindrical structure with a uncovered top end, and the tertiary material collecting barrel (503) is of a cavity cylindrical structure with a uncovered top end;

calcium oxide is placed inside the secondary containing cylinder (502).

10. The intelligent control system of the circulating air heater for fish feed processing as claimed in claim 1, wherein the processing control system comprises a controller terminal, the controller terminal is electrically connected with the temperature detection module and the temperature analysis module;

the temperature detection module is used for detecting the temperature of the fermentation material, and the temperature analysis module is used for supplying heat to the fermentation material according to the temperature detection value transmitted by the temperature detection module.

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