CN117814509A - Agricultural product processing production line with energy saving system and process thereof - Google Patents

Abstract

The invention belongs to the field of quick-freezing production and processing of agricultural products, and particularly relates to an agricultural product processing production line with an energy-saving system and a process thereof, wherein shelled corns are sequentially subjected to husking, cleaning, buffer heating, steaming, normal-temperature water cooling, air-drying and draining, quick-freezing, packaging and warehousing, and the quick-freezing realizes refrigeration and quick-freezing through circulation of a refrigerant; the heat generated when the refrigerant releases heat is recovered by the heat recovery device, and the heated water is used for reheating the water in the heat preservation water tank; the hot water produced by steaming and normal temperature water cooling absorbs heat through a heat exchanger and heats water required by cache heating; the invention can effectively recycle the heat released by the refrigerant and utilize the heat to the electric steam boiler, thereby fully utilizing the heat released by the refrigerant; in the process of stewing and cooling, the discharged hot water exchanges heat with the new water through the heat exchanger, the heat in the hot water is recovered, the consumed heat is reduced, and the effects of environmental protection and energy saving are realized.

Description

Agricultural product processing production line with energy saving system and process thereof

Technical Field

The invention belongs to the field of quick-freezing production and processing of agricultural products, and particularly relates to an agricultural product processing production line with an energy-saving system and a process thereof.

Background

The quick-freezing production and processing of agricultural products is a modern food processing method, and fresh agricultural products are subjected to quick freezing treatment so as to keep original nutritional ingredients and taste. The processing method is widely applied to various agricultural products such as vegetables, fruits, meats, seafood and the like. For example, quick-freezing production and processing of corn often includes washing and processing, steaming, quick freezing, packaging and storage. In the steaming process, steam is usually provided by a steam boiler, and quick freezing is usually performed by a quick freezer. In order to advocate the concept of energy conservation and emission reduction, the steam boiler is usually an electric steam boiler. However, the electric steam boiler has no influence on the environment, but has high power consumption, and the operation cost of enterprises is obviously increased.

In view of these problems, the inventor considers that in the whole production line, there is a situation of more heat loss, such as the heat released by the refrigerant of the instant freezer, the heat waste water generated by cooling the corn, the heat waste water generated during preheating and the like, if the heat can be recycled, the production cost can be reduced for enterprises, and the energy-saving and environment-friendly concepts are more satisfied.

Disclosure of Invention

The invention aims to provide an agricultural product processing production line with an energy-saving system and a process thereof, which aim to solve the problems in the prior art, and the invention adopts the following technical scheme:

an agricultural product processing production line with an energy-saving system comprises a pretreatment section, a steaming part and a quick-freezing part, wherein raw materials sequentially pass through;

the quick-freezing part adopts a refrigerant to form a cooling cycle for quick-freezing, the refrigerant is communicated with a cooling tower, the temperature in the cooling tower is reduced, heat generated by the refrigerant is released, and the heat is recovered by a heat recovery device, so that water in the heat recovery device is heated; the heat recovery device is communicated with the heat preservation water tank, and water heated in the heat recovery device enters the heat preservation water tank;

the heat preservation water tank is communicated with a liquid inlet end of the electric steam boiler, and a steam exhaust end of the electric steam boiler is communicated with the steaming part.

Furthermore, a buffer heating part is arranged between the pretreatment part and the steaming part, and a normal-temperature water cooling part is arranged between the steaming part and the quick-freezing part;

the normal-temperature water cooling part cools the raw materials through new water, and the liquid discharge end of the normal-temperature water cooling part is communicated with the heat exchanger so that hot water enters the heat exchanger;

the liquid discharge end of the steaming part is communicated with the heat exchanger, so that hot water enters the heat exchanger, and the output end of the heat exchanger is communicated with the buffer heating part, so that water with waste heat enters the buffer heating part to provide heat.

Further, the front end of the quick-freezing part is also provided with an air-drying draining part; the pretreatment section comprises a husking part and a cleaning part which are sequentially arranged; the quick-freezing machine also comprises a packaging part and a warehouse-in part which are arranged at the rear end of the quick-freezing part.

Further, the cooling tower comprises a tower body, a coil pipe, a motor, fan blades, a switch mechanism and a connecting mechanism;

the coil pipe is arranged in the tower body, two ends of the coil pipe are respectively communicated with a refrigerant input pipe and a refrigerant output pipe, and the refrigerant input pipe and the refrigerant output pipe are communicated with a compressor in the quick-freezing part;

the top of the tower body is provided with a vent, the fan blades are arranged in the vent, the fan blades are connected with the output end of the motor through a main shaft, and the main shaft is connected with the switch mechanism through the connecting mechanism;

the switch mechanism is arranged below the fan blades, a vent hole is formed in the switch mechanism, when the main shaft rotates, the switch mechanism opens the vent hole, and when the main shaft stops, the switch mechanism closes the vent hole.

Further, the switch mechanism comprises a rotating shaft, a baffle plate and a fixed plate;

the fixing plate is fixedly connected with the inner wall surface of the vent to cover the vent; the vent holes are arranged on the fixed plate, and the structure of the layer through holes is that; the rotary shaft is rotatably arranged in the vent hole, the baffle is fixedly connected to the rotary shaft, the vent hole is covered when the baffle is horizontally arranged, and the vent hole is opened when the baffle is vertically arranged; the end part of the rotating shaft is connected with the connecting mechanism.

Further, the connecting mechanism comprises a shell, a spring, a sliding shaft, a limiting plate and a push rod;

the circumference of the main shaft is fixedly connected with a plurality of shells, and the sliding shafts are respectively and slidably arranged in the shells; the spring is arranged in the shell and acts on the sliding shaft; one end of the sliding shaft, which is far away from the main shaft, penetrates out of the shell and is abutted against one side of the limiting plate, and the other side of the limiting plate is fixedly connected with the push rod; the push rod penetrates out of the wall surface of the ventilation opening and is connected with the rotating shaft to push the rotating shaft to rotate.

Further, the connecting mechanism further comprises a connecting frame and a rack, one end of the push rod penetrating out of the ventilation opening is fixedly connected with the connecting frame, the bottom of the connecting frame is fixedly connected with the rack, the rack is horizontally arranged and can be slidably arranged on the outer wall surface of the tower body, and the rack is meshed with the gear; one end of the gear penetrates out of the outer wall surface of the tower body and is fixedly connected with the gear.

Further, the heat recovery device comprises a tank body, an inclined plate and an air outlet; the lower end of the tower body is communicated with a cooling tower through a ventilation pipe, hot air enters the tower body from the ventilation pipe and is discharged through the air outlet at the top of the tank body;

the inclined plates are fixedly arranged in the tank body, a plurality of tank bodies are arranged from top to bottom, the inclined plates are obliquely downwards arranged and distributed on two sides of the tank body, and a structure for continuously downwards flowing circulating water is formed;

a water inlet pipe is arranged on the uppermost inclined plate, and is inserted into the tank body and communicated with the heat preservation water tank; a water return pipe is arranged below the lowest inclined plate, the water return pipe is communicated with the heat preservation water tank, and a pump body is arranged on the water return pipe.

Further, a first diversion trench is arranged on the uppermost inclined plate, the first diversion trench is in a horn-shaped structure and comprises a concentration part and a diversion part, the width of the concentration part is smaller than that of the diversion part, the water inlet pipe is communicated with the concentration part, a plurality of diversion plates are arranged in the diversion part, and a flow channel is formed between the two diversion plates which are connected;

the inclined plate positioned below is provided with a second diversion trench, and a plurality of linear runners are arranged in the second diversion trench side by side.

An agricultural product processing production process with an energy-saving system, comprising:

the raw materials are subjected to pretreatment, buffer heating, steaming, normal-temperature water cooling and quick freezing in sequence;

the quick freezing is realized by the circulation of a refrigerant, steam is provided by an electric steam boiler, and the electric steam boiler is provided with a water source by a heat preservation water tank; the heat generated when the refrigerant releases heat is recovered through the heat recovery device, so that the water in the heat recovery device is heated, and the heated water is used for reheating the water in the heat preservation water tank; the hot water produced by steaming and normal temperature water cooling absorbs heat through a heat exchanger and heats the water required by cache heating.

The invention has the following beneficial effects: the invention can effectively recycle the heat released by the refrigerant and utilize the heat to the electric steam boiler, and can generate steam with smaller electric quantity consumption, thereby fully utilizing the heat released by the refrigerant; in the cooking and cooling processes, the discharged hot water exchanges heat with the fresh water through the heat exchanger, the heat in the hot water is recovered, the temperature of the fresh water is increased, and the fresh water is used for buffering the heating part to preheat the corn, so that the heat consumed by heating the corn during cooking is reduced, and the effects of more environmental protection and energy conservation are realized.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic diagram of a cooling tower and heat recovery device;

FIG. 3 is an enlarged schematic view of FIG. 2 at A;

FIG. 4 is a schematic diagram of the vent being open;

FIG. 5 is a schematic top view of a vent;

FIG. 6 is a schematic view of a first flow guide slot;

FIG. 7 is a schematic diagram of a second flow guide slot;

fig. 8 is a schematic diagram of the connection relationship of the insulated water tank.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 8 in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. The technical means used in the examples are conventional means well known to those skilled in the art unless otherwise indicated.

In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

As shown in figure 1, the agricultural product processing production line with the energy-saving system comprises a pretreatment section, a steaming part and a quick-freezing part, wherein raw materials sequentially pass through;

the quick-freezing part adopts a refrigerant to form a cooling cycle for quick-freezing, the refrigerant is communicated with a cooling tower, the temperature in the cooling tower is reduced, heat generated by the refrigerant is released, and the heat is recovered by a heat recovery device, so that water in the heat recovery device is heated; the heat recovery device is communicated with the heat preservation water tank, and water heated in the heat recovery device enters the heat preservation water tank;

the heat preservation water tank is communicated with a liquid inlet end of the electric steam boiler, and a steam exhaust end of the electric steam boiler is communicated with the steaming part.

In the invention, agricultural products can be corn, oil tea fruits, vegetables, fruits and the like, and the production line is a quick-frozen packaging warehouse-in line body for the agricultural products. The invention is exemplified by corn. Corn with shell

In the invention, agricultural products can be corn, oil tea fruits, vegetables, fruits and the like, and the production line is a quick-frozen packaging warehouse-in line body for the agricultural products. The invention is exemplified by corn. The corn with the shell is sequentially subjected to husking, cleaning, buffer heating, steaming, normal-temperature water cooling, air-drying and draining, quick-freezing, packaging and warehousing. The corns between two adjacent working procedures can be transferred manually or automatically by a conveyor belt, a feeder and the like. The pretreatment stage is a pretreatment section for shelled corn, such as cleaning and husking. The steam source of the steaming part is an electric steam boiler, and the water source in the steaming part is a heat preservation water tank.

The steaming part can adopt devices such as a steam bin, a steam room, a steam cabinet and the like, is provided with a steam inlet end and a pressure relief exhaust port, wherein the steam inlet end is communicated with the steam exhaust end of the electric steam boiler, introduces steam, and exhausts the steam through the pressure relief exhaust port to stabilize the air pressure. The quick-freezing part can adopt a quick-freezing machine, a quick-freezing cabinet and other devices, the refrigeration cycle of the refrigerant is realized by utilizing a compressor, an evaporating pipe and a condensing part, and the cooling tower is equivalent to the condensing part. The refrigerant is heated in the cooling tower to generate heat, and the heat of the part is collected and utilized.

Specifically, the heat released by the refrigerant is recovered by the heat recovery device, the water temperature in the heat recovery device rises, and the part of hot water is utilized to heat the water in the heat preservation water tank, so that the water in the heat preservation water tank is hot water before entering the electric steam boiler, for example, about 80 ℃, and the electric steam boiler can generate steam with smaller electric quantity consumption, thereby realizing the purpose of energy saving. Compared with the prior art, the invention can effectively recover the heat released by the refrigerant and utilize the heat to the electric steam boiler, can generate steam with smaller electric quantity consumption, fully utilizes the heat released by the refrigerant and realizes the effects of more environmental protection and energy saving.

Furthermore, a buffer heating part is arranged between the pretreatment part and the steaming part, and a normal-temperature water cooling part is arranged between the steaming part and the quick-freezing part;

the normal-temperature water cooling part cools the raw materials through new water, and the liquid discharge end of the normal-temperature water cooling part is communicated with the heat exchanger so that hot water enters the heat exchanger;

the liquid discharge end of the steaming part is communicated with the heat exchanger, so that hot water enters the heat exchanger, and the output end of the heat exchanger is communicated with the buffer heating part, so that water with waste heat enters the buffer heating part to provide heat.

The buffer heating part can adopt facilities such as a buffer machine, a buffer bin, a buffer pool and the like, hot water is arranged in the buffer heating part, and is introduced through a pipeline to heat the corn in a preliminary water bath.

The normal temperature water cooling part can be a cooling pool, a cooling bin and other facilities. External fresh water (e.g., tap water) is introduced through the pipeline. The steamed corn has higher temperature, and the water cooling part at normal temperature is cooled to be beneficial to subsequent quick freezing. The normal temperature water cooling part cools the corn by using the new water flushing, spraying, soaking and other modes, and then the water level of the corn rises to form hot water. The hot water enters a heat exchanger which transfers the heat of the portion of the hot water to the water in the cache warming portion. After the corn is steamed by the steam in the steaming section, condensed hot water is produced, and the hot water also enters the heat exchanger. In addition, the water inlet end of the heat exchanger is provided with a sundry filter. The sundry filter is in the prior art.

In the invention, one or two heat exchangers can be adopted, and the two heat exchangers are respectively communicated with the steaming part and the normal-temperature water cooling part, or one heat exchanger is simultaneously communicated with the steaming part and the normal-temperature water cooling part. The heat exchanger can be internally provided with a heated pipeline which is provided with four ports, namely a water inlet end, a water outlet end, a new water inlet and a hot water outlet. The water inlet end of the heat exchanger is communicated with the water cooling part at normal temperature or the liquid draining end of the steaming part, the water draining end discharges waste water, the new water inlet is filled with external new water (such as tap water), and the hot water outlet conveys the hot water to the buffer heating part through a pipeline.

In the cooking and cooling processes, the discharged hot water exchanges heat with the fresh water through the heat exchanger, the heat in the hot water is recovered, the temperature of the fresh water is increased to be more than or equal to 40 ℃, and the fresh water is used for buffering the heating part to preheat the corn, so that the heat consumed by heating the corn during cooking is reduced, and the aim of saving energy is achieved.

Further, the front end of the quick-freezing part is also provided with an air-drying draining part; the pretreatment section comprises a husking part and a cleaning part which are sequentially arranged; the quick-freezing machine also comprises a packaging part and a warehouse-in part which are arranged at the rear end of the quick-freezing part. The air-drying and draining part can adopt a dryer, an air dryer and other devices. The corn is dried for quick freezing. The husking part can adopt husking machine, manual husking and other modes. The cleaning part can adopt a cleaning machine, spray cleaning, manual cleaning and other modes. The husking part can adopt husking machine, manual husking and other modes. The cleaning part can adopt a cleaning machine, spray cleaning, manual cleaning and other modes. The packaging part can adopt a packaging machine and a manual packaging mode, and the warehousing part can adopt a conveyor, a manual transfer mode and the like.

As shown in fig. 2, the cooling tower comprises a tower body 101, a coil 102, a motor 106, fan blades 107, a switching mechanism 108 and a connecting mechanism 109;

the coil pipe 102 is arranged in the tower body 101, two ends of the coil pipe 102 are respectively communicated with a refrigerant input pipe 103 and a refrigerant output pipe 103, and the refrigerant input pipe and the refrigerant output pipe are communicated with a compressor in the quick-freezing part;

a ventilation opening is formed in the top of the tower body 101, the fan blades 107 are arranged in the ventilation opening, the fan blades 107 are connected with the output end of the motor 106 through a main shaft 110, and the main shaft 110 is connected with the switch mechanism 108 through the connecting mechanism 109;

the switch mechanism 108 is arranged below the fan blades 107, a vent hole is arranged on the switch mechanism 108, when the main shaft 110 rotates, the switch mechanism 108 opens the vent hole, and when the main shaft 110 stops, the switch mechanism 108 closes the vent hole.

In the present invention, the switching mechanism 108 functions to temporarily open and close the vent hole, thereby opening or closing the vent hole. It should be noted that, due to the influence of factors such as time difference of material transportation, production period of products, refrigeration energy consumption ratio, etc., the compressor in the quick-freezing part does not work all the time, but works intermittently and periodically. It is therefore an object of the present invention to prevent heat loss due to hot gas spill out when the compressor is shut down, with the switch mechanism 108 closed. In the event of a production line failure, the switching mechanism 108 is closed to prevent hot gas from escaping.

Specifically, the motor 106 may be installed above the ventilation opening through a bracket, the spindle 110 is vertically arranged, when the motor 106 drives the spindle 110 to rotate, the fan blades 107 input air downwards to cool the refrigerant in the coil 102, and meanwhile, hot air is generated to enter the heat recovery device. When the compressor is stopped, no refrigerant flows in the coil 102, and the motor 106 can be stopped after waiting for a certain time, so that the ventilation hole is delayed to be closed by the switch mechanism 108, and the ventilation hole is delayed to be closed, so that heat of the refrigerant in the coil 102 can be absorbed more thoroughly.

Further, the switch mechanism 108 includes a rotating shaft 1081, a baffle 1082 and a fixed plate 1083; the fixed plate 1083 is fixedly connected to the inner wall surface of the vent, and covers the vent; the vent holes are arranged on the fixed plate 1083, and the structure of the layer through holes is that; the rotating shaft 1081 is rotatably arranged in the vent hole, the baffle 1082 is fixedly connected to the rotating shaft 1081, the vent hole is covered when the baffle 1082 is horizontally arranged, and the vent hole is opened when the baffle 1082 is vertically arranged; the end of the rotating shaft 1081 is connected to the connecting mechanism 109.

The fixed plate 1083 is sized to fit within the vent opening. The baffle 1082 and vent holes may be provided in a plurality side-by-side arrangement, with the vent holes preferably being rectangular in configuration. The rotary shaft 1081 is horizontally disposed at a middle position of the vent hole. As shown in fig. 3 and 4, the function of opening or closing the vent hole can be achieved by switching the two states of the shutter 1082, vertical or horizontal, by rotating the rotation shaft 1081. Thereby realizing the opening or closing of the ventilation opening.

Further, the connection mechanism 109 includes a housing 1091, a spring 1092, a sliding shaft 1093, a limiting plate 1095, and a push rod 1096; the circumference of the spindle 110 is fixedly connected with a plurality of shells 1091, and the sliding shafts 1093 and springs 1092 are respectively slidably arranged in the shells 1091; the spring 1092 is disposed within the housing 1091 and acts on the slide shaft 1093; one end of the sliding shaft 1093, which is far away from the main shaft 110, penetrates out of the housing 1091 and abuts against one side of the limiting plate 1095, and the other side of the limiting plate 1095 is fixedly connected with the push rod 1096; the push rod 1096 penetrates the wall surface of the vent and is connected to the rotating shaft 1081, so as to push the rotating shaft 1081 to rotate.

Further, the connection mechanism 109 further includes a connection frame 1100 and a rack 1101, one end of the push rod 1096 penetrating the ventilation opening is fixedly connected to the connection frame 1100, the bottom of the connection frame 1100 is fixedly connected to the rack 1101, the rack 1101 is horizontally disposed and slidably disposed on an outer wall surface of the tower 101, and the rack 1101 engages with the gear 1084; one end of the gear 1084 penetrates through the outer wall surface of the tower body 101, and is fixedly connected with the gear 1084.

Specifically, one end of the sliding shaft 1093 facing the main shaft 110 is fixedly connected with a limiting block 1094, and the limiting block 1094 and the sliding shaft 1093 jointly form a T-shaped shaft structure. The spring 1092 applies an elastic force to the stopper 1094, pressing the slide shaft 1093 toward the main shaft 110. When the main shaft 110 rotates, the sliding shaft 1093 moves outward, sliding outward and compressing the spring 1092 by centrifugal force. Simultaneously, the sliding shaft 1093 pushes the limiting plate 1095 outwards, so that the limiting plate 1095 drives the push rod 1096 to move outwards, and the rack 1101 slides and drives the gears 1084 on the multiple rotating shafts 1081 to rotate. The gear 1084 rotates while rotating the shaft 1081, thereby driving the shutter 1082 to move to the vertical state. The vent hole and the vent hole are opened. The shutter 1082 is initially in a horizontal state.

The spring 1092 functions as a return, and when the motor 106 stops, the spring 1092 returns to its deformed state, and the shield 1082 returns to its horizontal state.

In addition, as shown in fig. 4, two limiting plates 1095 are provided and distributed on both sides of the main shaft 110. Push rods 1096 are fixedly connected to one sides, opposite to each other, of the two limiting plates 1095, and the two push rods 1096 are connected with racks 1101. Two racks 1101 are distributed on both sides of the tower 101. And are respectively positioned at the upper side and the lower side of the rotating shaft 1081, and the two ends of the rotating shaft 1081 respectively penetrate out of the tower body 101 and are respectively fixedly connected with a gear 1084. Gears 1084 at both ends of the shaft 1081 engage the corresponding racks 1101. The design can reduce the reciprocability of the racks 1101 during movement, and the two racks 1101 are pushed to move oppositely under the opposite movement action of the two limiting plates 1095, and the two racks 1101 are arranged on the first rotating shaft 1081 and the second rotating shaft 1081, so that when the two racks 1101 move oppositely, the two racks drive the gear 1084 and the rotating shaft 1081 to rotate together, and the synchronism is maintained. The design of the two limiting plates 1095 can enable the movement of the rack 1101 to be more uniform, and the contact area between the sliding shaft 1093 and the limiting plates 1095 is increased. At the end of the sliding shaft 1093 contacting the limiting plate 1095, a roller may also be provided. The two limiting plates 1095 are preferably symmetrical arc structures, and the two end portions are bent portions, so that the function of guiding the sliding shaft 1093 is achieved.

One end of the push rod 1096 penetrating out of the tower body 101 is slidably arranged in a limiting shell 1097, a return spring 1098 is arranged in the shell 1097, the return spring 1098 extrudes a limiting ring 1099, and the limiting ring 1099 is fixedly sleeved on the push rod 1096. The return spring 1098 functions to return the push rod 1096 and the stopper 1095, and when the motor 106 is operating, the return spring 1098 is compressed by the stopper 1099, and when the motor 106 is stopped, the return spring 1098 returns the return push rod 1096 and the stopper 1095.

As shown in fig. 2, the heat recovery device includes a tank 201, an inclined plate 202, and an air outlet 203; the lower end of the tower body 101 is communicated with a cooling tower through a ventilation pipe 105, hot air enters the tower body 101 from the ventilation pipe 105 and is discharged through an air outlet 203 at the top of the tank 201;

the inclined plates 202 are fixedly arranged in the tank 201, a plurality of tank 201 are arranged from top to bottom, the inclined plates 202 are arranged obliquely downwards and distributed on two sides of the tank 201, and a structure for continuously downwards flowing circulating water is formed;

a water inlet pipe 205 is arranged on the uppermost inclined plate 202, and the water inlet pipe 205 is inserted into the tank 201 and communicated with the heat preservation water tank; a water return pipe 204 is arranged below the lowest inclined plate 202, the water return pipe 204 is communicated with the heat preservation water tank, and a pump body is arranged on the water return pipe 204.

The plurality of inclined plates 202 together form a downward flow channel, and water in the water inlet pipe 205 is led through the inclined plates 202 for a plurality of times and gradually moves downward. Finally, the water returns to the heat preservation water tank through the water return pipe 204, and a heating cycle of the heat preservation water tank is formed. A fan 203 may be provided at the top of the tank 201 to discharge the exhaust gas. The water in the heat-preserving water tank enters the tank 201 through the water inlet pipe 205, and is heated by hot air from the cooling tower, and is heated by the inclined plate 202, so that the temperature is rapidly increased.

As shown in fig. 5 and 6, a first diversion trench is disposed on the uppermost inclined plate 202, and the first diversion trench has a horn-shaped structure and includes a concentration portion 2021 and a diversion portion 2023, the width of the concentration portion 2021 is smaller than that of the diversion portion 2023, the water inlet pipe 205 is communicated with the concentration portion 2021, a plurality of diversion plates are disposed in the diversion portion 2023, and a flow channel is formed between two diversion plates;

the inclined plates 202 located below are provided with second diversion trenches, that is, all inclined plates 202 below the uppermost inclined plate 202 are provided with second diversion trenches, and a plurality of linear flow channels 2024 are arranged in the second diversion trenches side by side.

The first diversion trench is used for dispersing the water input by the water inlet pipe 205, and the second diversion trench is used for diverting the water to keep the dispersed state. The water flowing down the inclined plate 202 is in the state of a water curtain, so that hot air can conveniently pass through the water curtain to heat.

The invention also relates to an agricultural product processing and producing process with the energy-saving system, which comprises the following steps:

the raw materials are subjected to pretreatment, buffer heating, steaming, normal-temperature water cooling and quick freezing in sequence;

the quick freezing is realized by the circulation of a refrigerant, steam is provided by an electric steam boiler, and the electric steam boiler is provided with a water source by a heat preservation water tank; the heat generated when the refrigerant releases heat is recovered through the heat recovery device, so that the water in the heat recovery device is heated, and the heated water is used for reheating the water in the heat preservation water tank; the hot water produced by steaming and normal temperature water cooling absorbs heat through a heat exchanger and heats the water required by cache heating.

In the present invention, as shown in fig. 8, the incubator includes a tank case 301, a tank inlet pipe 302, a shunt pipe 303, an outlet pipe 304, and a heating coil 305;

the top of the water tank shell 301 is fixedly provided with a water tank water inlet pipe 302, and the water tank water inlet pipe 302 is communicated with a water softener unit and is used for introducing fresh water at about 25 ℃. The bottom of the tank inlet pipe 302 passes through the tank case 301 and is fixedly connected to the shunt pipe 303 located in the tank case 301. The shunt tubes 303 are annular, and the axes of the shunt tubes are vertically distributed. A plurality of output pipes 304 are fixedly connected to the bottom surface of the shunt pipe 303, and the plurality of output pipes 304 are vertically arranged and circumferentially distributed around the shunt pipe 303. The shunt tube 303 is provided with a plurality of drain holes for discharging new water into the inside of the tank case 301. The heating coil 305 is of the prior art and extends from both ends of the heating coil beyond the tank housing 301. A plurality of delivery tubes 304 are distributed within the spiral space of the heating coil 305. The new water discharged from the drain hole is located just inside the heating coil 305. This design allows the fresh water to quickly come into contact with the heating coil 305, thereby initiating the heating process. At the same time, the outwardly flowing water stream can also be mixed with the water inside the tank housing 301, resulting in a more uniform water temperature. This design effectively improves heating efficiency and avoids uneven water temperature. Further improving the energy-saving effect. In addition, the tank case 301 is fixedly connected to and communicates with the return pipe 204 and the inlet pipe 205.

In the present invention, the heating means (heating coil 305) in the holding tank and the steam boiler are preferably powered by solar energy. The implementation mode is as follows: the heating part (heating spiral pipe 305) of the heat preservation water tank and the electric steam boiler receive solar energy through the solar panel and convert the solar energy into electric energy, and the solar energy storage battery can be utilized to store the electric energy for the heating part of the heat preservation water tank and the electric steam boiler. Under the condition of sufficient sunlight, the solar panel can provide enough electric energy to reduce the dependence on the traditional electric power, thereby saving energy cost and protecting environment, further improving energy-saving effect, more efficiently utilizing renewable energy and reducing the dependence on the traditional energy, and further realizing the aims of energy conservation, emission reduction and sustainable development.

In addition, in order to ensure that the heating part of the heat preservation water tank and the electric steam boiler can work normally under the condition that the solar panel can not provide enough electric energy at night or in cloudy days, the embodiment also adopts a standby power supply, such as a traditional power grid. Therefore, when the solar panel cannot provide enough electric energy, the standby power supply can timely supplement the required electric energy, and the normal operation of the heating part of the heat preservation water tank and the electric steam boiler is ensured.

The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications, variations, alterations, substitutions made by those skilled in the art to the technical solution of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the design of the present invention.

Claims (10)

1. An agricultural product processing production line with an energy-saving system is characterized by comprising a pretreatment section, a steaming part and a quick-freezing part, wherein raw materials sequentially pass through;

the quick-freezing part adopts a refrigerant to form a cooling cycle for quick-freezing, the refrigerant is communicated with a cooling tower, the temperature in the cooling tower is reduced, heat generated by the refrigerant is released, and the heat is recovered by a heat recovery device, so that water in the heat recovery device is heated; the heat recovery device is communicated with the heat preservation water tank, and water heated in the heat recovery device enters the heat preservation water tank;

the heat preservation water tank is communicated with a liquid inlet end of the electric steam boiler, and a steam exhaust end of the electric steam boiler is communicated with the steaming part.

2. The agricultural product processing line with an energy saving system according to claim 1, wherein a buffer heating part is arranged between the pretreatment part and the steaming part, and a normal temperature water cooling part is arranged between the steaming part and the quick freezing part;

the normal-temperature water cooling part cools the raw materials through new water, and the liquid discharge end of the normal-temperature water cooling part is communicated with the heat exchanger so that hot water enters the heat exchanger;

the liquid discharge end of the steaming part is communicated with the heat exchanger, so that hot water enters the heat exchanger, and the output end of the heat exchanger is communicated with the buffer heating part, so that water with waste heat enters the buffer heating part to provide heat.

3. The agricultural product processing line with an energy saving system according to claim 1, wherein the front end of the quick-freezing section is further provided with an air-drying and draining section; the pretreatment section comprises a husking part and a cleaning part which are sequentially arranged; the quick-freezing machine also comprises a packaging part and a warehouse-in part which are arranged at the rear end of the quick-freezing part.

4. The agricultural product processing line with an energy saving system according to claim 1, wherein the cooling tower comprises a tower body (101), a coil pipe (102), a motor (106), fan blades (107), a switching mechanism (108) and a connecting mechanism (109);

the coil pipe (102) is arranged in the tower body (101), two ends of the coil pipe (102) are respectively communicated with a refrigerant input pipe (103) and a refrigerant output pipe (103), and the refrigerant input pipe and the refrigerant output pipe are communicated with a compressor in the quick-freezing part;

the top of the tower body (101) is provided with a vent, the fan blades (107) are arranged in the vent, the fan blades (107) are connected with the output end of the motor (106) through a main shaft (110), and the main shaft (110) is connected with the switch mechanism (108) through the connecting mechanism (109);

the switch mechanism (108) is arranged below the fan blades (107), a vent hole is formed in the switch mechanism (108), when the main shaft (110) rotates, the switch mechanism (108) opens the vent hole, and when the main shaft (110) stops, the switch mechanism (108) closes the vent hole.

5. The agricultural product processing line with the energy saving system of claim 4, wherein the switching mechanism (108) includes a rotating shaft (1081), a baffle (1082), and a fixed plate (1083);

the fixed plate (1083) is fixedly connected with the inner wall surface of the ventilation opening to cover the ventilation opening; the vent holes are arranged on the fixed plate (1083), and the structure of the layer through holes is formed; the rotary shaft (1081) is rotatably arranged in the vent hole, the baffle (1082) is fixedly connected to the rotary shaft (1081), the vent hole is covered when the baffle (1082) is horizontally arranged, and the vent hole is opened when the baffle is vertically arranged; the end part of the rotating shaft (1081) is connected with the connecting mechanism (109).

6. The agricultural product processing line with the energy saving system according to claim 5, wherein the connecting mechanism (109) includes a housing (1091), a spring (1092), a sliding shaft (1093), a limiting plate (1095) and a push rod (1096);

the circumference of the main shaft (110) is fixedly connected with a plurality of shells (1091), and sliding shafts (1093) are respectively and slidably arranged in the shells (1091); the spring (1092) is arranged in the shell (1091) and acts on the sliding shaft (1093); one end of the sliding shaft (1093) far away from the main shaft (110) penetrates out of the shell (1091) and is abutted against one side of the limiting plate (1095), and the other side of the limiting plate (1095) is fixedly connected with the push rod (1096); the push rod (1096) penetrates through the wall surface of the ventilation opening and is connected with the rotating shaft (1081) to push the rotating shaft (1081) to rotate.

7. The agricultural product processing line with an energy saving system according to claim 6, wherein the connecting mechanism (109) further comprises a connecting frame (1100) and a rack (1101), one end of the push rod (1096) penetrating through the ventilation opening is fixedly connected with the connecting frame (1100), the bottom of the connecting frame (1100) is fixedly connected with the rack (1101), the rack (1101) is horizontally arranged and slidably arranged on the outer wall surface of the tower body (101), and the rack (1101) is meshed with a gear (1084); one end of the gear (1084) penetrates out of the outer wall surface of the tower body (101) and is fixedly connected with the gear (1084).

8. The agricultural product processing line with an energy saving system according to claim 4, wherein the heat recovery device includes a tank (201), an inclined plate (202), and an air outlet (203); the lower end of the tower body (101) is communicated with a cooling tower through a ventilation pipe (105), hot air enters the tower body (101) from the ventilation pipe (105) and is discharged through an exhaust outlet (203) at the top of the tank body (201);

the inclined plates (202) are fixedly arranged in the tank body (201), a plurality of tank bodies (201) are arranged from top to bottom, the inclined plates (202) are obliquely downwards arranged and distributed on two sides of the tank body (201), and a structure for continuously downwards flowing circulating water is formed;

a water inlet pipe (205) is arranged on the uppermost inclined plate (202), and the water inlet pipe (205) is inserted into the tank body (201) and communicated with the heat preservation water tank; a water return pipe (204) is arranged below the lowest inclined plate (202), the water return pipe (204) is communicated with the heat preservation water tank, and a pump body is arranged on the water return pipe (204).

9. The agricultural product processing production line with the energy saving system according to claim 8, wherein a first diversion trench is arranged on the uppermost inclined plate (202), the first diversion trench is in a horn-shaped structure and comprises a centralizing part (2021) and a diversion part (2023), the width of the centralizing part (2021) is smaller than that of the diversion part (2023), the water inlet pipe (205) is communicated with the centralizing part (2021), a plurality of diversion plates are arranged in the diversion part (2023), and a flow channel is formed between the two diversion plates;

the inclined plate (202) positioned below is provided with a second diversion trench, and a plurality of linear flow channels (2024) are arranged in the second diversion trench side by side.

10. An agricultural product processing production process with an energy-saving system is characterized by comprising the following steps:

the raw materials are subjected to pretreatment, buffer heating, steaming, normal-temperature water cooling and quick freezing in sequence;

the quick freezing is realized by the circulation of a refrigerant, steam is provided by an electric steam boiler, and the electric steam boiler is provided with a water source by a heat preservation water tank; the heat generated when the refrigerant releases heat is recovered through the heat recovery device, so that the water in the heat recovery device is heated, and the heated water is used for reheating the water in the heat preservation water tank; the hot water produced by steaming and normal temperature water cooling absorbs heat through a heat exchanger and heats the water required by cache heating.