CN206909658U - The infrared circulation dryer of jujube - Google Patents

Abstract

The utility model discloses a jujube infrared circulation drying machine, which comprises a frame, on which a feeding room and a drying room connected with each other are arranged, and a feeding hopper and a feeding hopper connected with the feeding room are also provided; the machine located in the feeding room There is a bucket elevator on the frame; the frame located in the drying room is equipped with multi-layer infrared drying and conveying mechanisms, the ends of two adjacent infrared drying and conveying mechanisms are staggered from each other, and the The conveying direction is opposite; the frame is also equipped with a humidifying device and an air circulation device connected with the drying room, and the humidifying device extends to the drying room; the bucket elevator, infrared drying, conveying mechanism, air circulation device and humidifying device are all connected with the electric connected to the control unit. High degree of automation, reasonable design, compact structure, stable performance, safe and reliable operation; at the same time, it can effectively reduce the number of labor force and greatly reduce the labor intensity of workers, and the work efficiency is high; the drying effect and the quality of red dates can also be effectively guaranteed.

Description

Jujube Infrared Circulation Dryer

technical field

The utility model relates to the technical field of drying machinery, in particular to an infrared circulation dryer for red dates.

Background technique

Jujube, also known as jujube, has high nutritional value and health care functions. In recent years, with the development of the market economy and the improvement of people's cognition, the planting area and product output of red dates have increased year by year. In order to facilitate the preservation and storage of red dates, reduce transportation costs, facilitate processing and obtain high-quality products, red date dryers It has become an indispensable equipment in the deep processing of jujube.

At present, there are many kinds of jujube dryers popular in the market, and the drying principles are also different, but there are common defects: the degree of automation is low, and a large amount of manpower is required, which leads to high labor intensity and greatly affects the drying efficiency. At the same time, too much human participation will affect the drying effect and the quality of dried red dates.

Utility model content

Aiming at the defects in the prior art, the utility model provides a jujube infrared circulation dryer to achieve the purpose of improving the degree of automation and work efficiency, reducing the labor intensity, and simultaneously ensuring the drying effect and the quality of the jujube.

The technical scheme provided by the utility model is: a red date infrared circulation dryer, comprising a frame, the frame is provided with a feeding chamber and a drying chamber connected to each other, and the frame is also provided with a Inlet hopper and outlet hopper connected to each other;

A bucket elevator is arranged on the frame located in the feeding chamber;

The frame located in the drying chamber is provided with a multi-layer infrared drying and conveying mechanism, and a material guide plate is arranged between the infrared drying and conveying mechanism on the top floor and the bucket elevator, and two adjacent The ends of the infrared drying and conveying mechanisms are staggered from each other, and the conveying directions of two adjacent infrared drying and conveying mechanisms are opposite; the frame is also equipped with an air circulation device and a humidifying device, and the air circulation device and the air circulation device are connected to each other. The drying chamber is communicated, and the humidifying device extends into the drying chamber;

The bucket elevator, the infrared drying, conveying mechanism, the air circulation device and the humidifying device are all connected with an electric control unit.

As an improvement, the infrared drying and conveying mechanism includes a driving roller and a driven roller arranged on the frame, and the driving roller is driven by a power device connected with the electric control unit; An infrared heating tube connected to the electric control unit is provided on the frame between the driven roller;

A conveyor belt is provided between the driving roller and the driven roller, and the conveyor belt is provided with several columns of airflow holes and several convex ribs, and the convex ribs are located between two adjacent columns of the airflow holes. .

As a further improvement, in the conveying direction, the frame between two adjacent conveyor belts is provided with baffles arranged obliquely.

As a further improvement, an even distribution device is provided above the conveyor belt on the top layer.

As a further improvement, the uniform distribution device includes a uniform distribution plate, two connecting rods arranged in parallel are hinged between the two ends of the uniform distribution plate and the frame; the uniform distribution plate is close to the One side of the conveyor belt is provided with an inclined surface.

As yet a further improvement, the airflow circulation device includes an exhaust fan arranged on the frame and connected to the electronic control unit, and the air inlet end of the exhaust fan is provided with a suction fan connected to the drying chamber. The air outlet end of the exhaust fan is provided with an exhaust pipe, the end of the exhaust pipe far away from the exhaust fan is provided with a filter, and the end of the filter far away from the exhaust pipe is provided with an air outlet pipe.

As a further improvement, a circulating air duct is connected to the air outlet duct, one end of the circulating air duct is also communicated with the drying chamber, and the other end of the circulating air duct is communicated with the atmosphere; Valves are arranged on the circulating air pipes on both sides of the pipe.

As a further improvement, the humidifying device includes a water tank arranged on the frame and a water pump connected to the electric control unit, and the water tank is provided with a water adding pipe, a drain pipe and a water pressure gauge;

The water pump is provided with a water inlet pipe extending into the water tank, and the water inlet pipe in the water tank is provided with a filter screen; the water pump is also provided with a water delivery pipe extending into the drying chamber, located in the The water delivery pipe in the drying chamber is provided with an atomizing nozzle, the atomizing nozzle is located below the infrared drying and conveying mechanism at the bottom, and the frame below the atomizing nozzle is provided with a The fan connected to the electronic control unit.

As a further improvement, the water tank is provided with a heater extending to the inside of the water tank and connected to the electric control unit.

As yet a further improvement, an insulating layer is provided on the frame corresponding to the drying chamber and the feeding chamber.

Owing to having adopted above-mentioned technical scheme, the beneficial effect of red date infrared circulation drying machine provided by the utility model is as follows:

Since the feeding room and the drying room connected to each other are arranged on the frame, the feeding hopper and the discharging hopper connected with the feeding room are also arranged on the frame; a bucket elevator is arranged on the frame located in the feeding room; There are multi-layer infrared drying and conveying mechanisms on the frame, and there is a material guide plate between the infrared drying and conveying mechanism on the top layer and the bucket elevator. The ends of two adjacent infrared drying and conveying mechanisms are staggered from each other, and Two adjacent infrared drying and conveying mechanisms have opposite conveying directions; there are also air circulation devices and humidification devices on the frame, the air circulation devices are connected with the drying chamber, and the humidification device extends to the drying chamber; bucket elevator, infrared drying, conveying The mechanism, air circulation device and humidification device are all connected to the electronic control unit. Based on the above structure, in the actual work of the jujube infrared circulation dryer, the jujube is poured into the feeding hopper, and then through the transition of the material guide plate, the bucket is lifted The machine transports the jujube to the infrared drying and conveying mechanism on the top layer, and then performs infrared circulation drying on the multi-layer infrared drying and conveying mechanism. During this process, the waste gas, impurities and dust generated during the drying process are discharged through the air circulation device At the same time, humidify the drying chamber through the humidifying device to prevent the moisture on the surface of the jujube from evaporating too fast during drying, the surface of the jujube shrinks and cracks will affect the quality of the jujube, and the dried jujube is discharged through the discharge hopper.

To sum up, the use of this jujube infrared circulation dryer has a high degree of automation, reasonable design, compact structure, stable performance, safe and reliable operation, and convenient maintenance; at the same time, it can effectively reduce the number of labor forces and greatly reduce the labor of workers. Strength, and high work efficiency; drying effect and jujube quality can also be effectively guaranteed, with greater economic, social and environmental benefits.

Since the infrared drying and conveying mechanism includes a driving roller and a driven roller arranged on the frame, an infrared heating tube is arranged on the frame between the driving roller and the driven roller; a conveying roller is provided between the driving roller and the driven roller The conveyor belt is provided with several rows of air holes and several ribs, and the ribs are located between two adjacent rows of air holes, so that during work, the heat generated by the infrared heating tube is distributed on the two ribs through the pair of air holes. The jujubes in between are dried (when the far-infrared frequency is close to the natural frequency of the molecular motion in the jujube, the electromagnetic wave generated by the far-infrared heating tube is used to cause the resonance of the molecules in the jujube, and heat energy is generated due to intermolecular friction to achieve the purpose of heating and drying ), the structure is simple, and it can realize synchronous drying in the process of conveying; at the same time, it adopts infrared heating, so the drying effect is good and the pollution is small.

Because the frame between adjacent two conveyer belts is provided with the baffle plate that inclination is arranged, thereby can effectively avoid the problem that jujube breaks away from the conveyer belt when transferring between multi-layer conveyer belts by baffle plate.

Since an even distribution device is arranged above the top conveyor belt, the red dates are evenly distributed on the conveyor belt by the uniform distribution device, which helps to improve the drying effect.

Since the uniform distribution device includes a uniform distribution plate, two parallel connecting rods are hinged between the two ends of the uniform distribution plate and the frame; the side of the uniform distribution plate close to the conveyor belt is provided with an inclined surface, so that during work, After the bucket elevator transports the red dates to the conveyor belt, it first contacts with the uniform distribution plate, and at the same time, the uniform distribution plate will exert pressure on the red dates, so that the red dates are evenly distributed on the conveyor belt, laying the foundation for improving the drying effect, and at the same time The uniform distribution device has strong adaptability to the flow of conveying red dates.

Since the airflow circulation device includes an exhaust fan arranged on the frame and connected with the electronic control unit, the inlet end of the exhaust fan is provided with a suction pipe connected with the drying room, and the outlet end of the exhaust fan is provided with an exhaust pipe. The end of the pipe away from the exhaust fan is provided with a filter, and the end of the filter away from the exhaust pipe is provided with an air outlet pipe. To pollute the environment, it can also filter out the moisture with high humidity in the hot air.

Because the air outlet pipe is connected with a circulating air pipe, one end of the circulating air pipe is also connected with the drying room, and the other end of the circulating air pipe is connected with the atmosphere; the circulating air pipes on both sides of the air outlet pipe are equipped with valves, so that At the beginning of the work, close the valve close to the drying room, and open the other valve, at this time, the hot air with low cleanliness in the drying room is discharged; Closed, at this time, the hot air discharged through the air outlet pipe enters the drying room again, forming the recycling of hot air, avoiding the waste of hot air, and greatly improving the utilization rate of heat energy.

Since the humidifying device includes a water tank arranged on the frame and a water pump connected to the electric control unit, the water pump is provided with a water inlet pipe extending into the water tank, and a filter screen is arranged on the water inlet pipe in the water tank; The water supply pipe to the drying room is provided with an atomizing nozzle on the water supply pipe located in the drying room, and a fan connected to the electronic control unit is installed on the frame below the atomizing nozzle, so that during work, the water pump will discharge the water in the water tank It is drawn out through the water inlet pipe, and then transported to the direction of the atomizing nozzle through the water supply pipe. The water is atomized through the atomizing nozzle, and the atomized water is blown into the drying room by the fan to ensure the humidity in the drying room. The structure is simple , Humidification effect is good, at the same time, the fan can also be used for air circulation in the drying room.

Since the water tank is provided with a heater extending to the inside of the water tank and connected to the electric control unit, the water temperature in the water tank is adjusted by the heater during work to meet the needs of the work.

Since the frame corresponding to the drying chamber and the feeding chamber is provided with an insulating layer, the heat loss in the drying chamber can be effectively prevented through the insulating layer.

Description of drawings

In order to more clearly illustrate the specific implementation of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the description of the specific implementation or the prior art. Throughout the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, elements or parts are not necessarily drawn in actual scale.

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of infrared drying and conveying mechanism in Fig. 1;

Figure 3 is an enlarged view of A in Figure 1;

Fig. 4 is a schematic structural view of the humidifying device in Fig. 1;

In the accompanying drawings, 1-frame; 101-feeding chamber; 102-drying chamber; 103-feed hopper; 104-discharge hopper; Bucket elevator; 3-infrared drying and conveying mechanism; 301-driving roller; 302-driven roller; 303-infrared heating tube; 304-conveyor belt; ;401-exhaust fan; 402-suction pipe; 403-exhaust pipe; 404-filter; 405-outlet pipe; 406-circulating air pipe; 407-valve; Adding water pipe; 5012-drainage pipe; 5013-water pressure gauge; 502-water pump; 503-water inlet pipe; 504-filter; 505-water delivery pipe; Flow regulating valve; 6-electronic control unit; 7-uniform distribution plate; 701-connecting rod; 702-inclined surface; 8-insulation layer.

detailed description

Embodiments of the technical solutions of the present utility model will be described in detail below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present utility model more clearly, so they are only examples, and should not be used to limit the protection scope of the present utility model.

For ease of understanding, the direction of the arrow shown in the figure is the direction of jujube delivery.

Commonly shown in Fig. 1 to Fig. 4, red jujube infrared circulation drying machine comprises frame 1, and this frame 1 is provided with feed chamber 101 and drying chamber 102 that communicate with each other, and this frame 1 is also provided with feed chamber. 101 communicated feed hopper 103 and discharge hopper 104; be positioned at the frame 1 in the feeding chamber 101 and be provided with the bucket elevator 2 that vertically arranges; The shelf 1 is provided with multi-layer infrared drying and conveying mechanisms 3 with the same length. Adjacent to the infrared drying, the conveying direction of the conveying mechanism 3 is opposite; the frame 1 is also provided with an air circulation device 4 and a humidifying device 5, the air circulating device 4 communicates with the drying chamber 102, and the humidifying device 5 extends to the drying chamber 102 Inside; the bucket elevator 2, infrared drying, conveying mechanism 3, air circulation device 4 and humidifying device 5 are all connected to the electronic control unit 6.

The structure of the bucket elevator 2 does not have any structural changes compared with the existing elevators, so it will not be repeated here. The frame 1 corresponding to the feeding chamber 101 is provided with two arc-shaped heat-retaining parts 105, and the two arc-shaped heat-retaining parts 105 are arranged at the two ends of the bucket elevator 2 respectively. The feeding hopper 103 is connected, and the other side extends toward the infrared drying and conveying mechanism 3 on the bottom layer, and the arc-shaped heat preservation part 102 located below is also connected with the discharging hopper 104 .

This infrared drying, conveying mechanism 3 comprises the driving roller 301 that is arranged on the frame 1 and the driven roller 302, and this driving roller 301 is driven by the power unit (not shown) that links to each other with electric control unit 6; Frame 1 between 301 and driven roller 302 is provided with the infrared heating pipe 303 that links to each other with electric control unit 6; Located between the surrounding conveyor belts 304; the conveyor belt 304 is provided with several rows of air holes 305 and several ribs 306, and the ribs 306 are located between two adjacent rows of air holes 305.

The frame 1 is also provided with an inclined material guide plate 106, one end of the material guide plate 106 extends toward the feeding chamber 101, and the other end of the material guide plate 106 extends toward the conveyor belt 304 on the top floor; On the frame 1 between two adjacent conveyor belts 304, an obliquely arranged baffle plate 107 is also provided.

An even distribution device is arranged above the top conveyor belt 304, and the even distribution device includes an even distribution plate 7, two connecting rods 701 arranged in parallel are hinged between the two ends of the even distribution plate 7 and the frame 1; The side of the uniform distribution plate 7 close to the conveyor belt 304 is provided with an inclined surface 702 , and the end of the inclined surface 702 with a larger distance from the conveyor belt 304 is close to the material guide plate 106 .

The air circulation device 4 includes an exhaust fan 401 which is arranged on the frame 1 and is connected with the electric control unit 6. The air outlet end is provided with an exhaust pipe 403, and the end of the exhaust pipe 403 away from the exhaust fan 401 is provided with a filter 404, and the end of the filter 404 away from the exhaust pipe 403 is provided with an air outlet pipe 405; A circulating air duct 406 is communicated, one end of the circulating air duct 406 is also communicated with the drying chamber 102, and the other end of the circulating air duct 406 is communicated with the atmosphere; the circulating air duct 406 located on both sides of the air outlet duct 405 is provided with valves 407.

The humidifier 5 includes a water tank 501 arranged on the frame 1 and a water pump 502 connected to the electric control unit 6. The water tank 501 is provided with a water supply pipe 5011, a drain pipe 5012 and a water pressure gauge 5013. The water pressure gauge 5013 is set On the top of the water tank 501 , the water supply pipe 5011 is arranged above the water tank 501 and communicated with the water tank 501 , and the drain pipe 5012 is arranged below the water tank 501 and communicated with the water tank 501 .

The water pump 502 is provided with a water inlet pipe 503 extending into the water tank 501, and the water inlet pipe 503 in the water tank 501 is provided with a filter screen 504; the water pump 502 is also provided with a water delivery pipe 505 extending into the drying chamber 102. The water delivery pipe 505 is provided with a flow regulating valve 509, and the water delivery pipe 505 located in the drying chamber 102 is provided with an atomizing nozzle 506. A fan 507 connected to the electronic control unit 6 is provided on the rack 1 .

The water tank 501 is provided with a heater 508 extending to the inside of the water tank 501 and connected to the electric control unit 6 .

Preferably, an insulating layer 8 is provided on the frame 1 corresponding to the drying chamber 102 and the feeding chamber 101 .

The above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be used for the foregoing The technical solutions recorded in each embodiment are modified, or some or all of the technical features are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the various embodiments of the present utility model. All should be included in the scope of the claims and description of the present utility model.

Claims (10)

1. jujube infrared circulation drying machine, comprising frame, it is characterized in that, described frame is provided with feed chamber and drying chamber communicated with each other, and described frame is also provided with feed hopper communicated with described feed chamber and a hopper; A bucket elevator is arranged on the frame located in the feeding chamber; The frame located in the drying chamber is provided with a multi-layer infrared drying and conveying mechanism, and a material guide plate is arranged between the infrared drying and conveying mechanism on the top floor and the bucket elevator, and two adjacent The ends of the infrared drying and conveying mechanisms are staggered from each other, and the conveying directions of two adjacent infrared drying and conveying mechanisms are opposite; the frame is also equipped with an air circulation device and a humidifying device, and the air circulation device and the air circulation device are connected to each other. The drying chamber is communicated, and the humidifying device extends into the drying chamber; The bucket elevator, the infrared drying, conveying mechanism, the air circulation device and the humidifying device are all connected with an electric control unit. 2. jujube infrared circulation drying machine according to claim 1, is characterized in that, described infrared is dried, and conveying mechanism comprises the driving roller that is arranged on the described frame and driven roller, and described driving roller is by and described Driven by a power device connected to the electric control unit; an infrared heating tube connected to the electric control unit is provided on the frame between the driving roller and the driven roller; A conveyor belt is provided between the driving roller and the driven roller, and the conveyor belt is provided with several columns of airflow holes and several convex ribs, and the convex ribs are located between two adjacent columns of the airflow holes. . 3. The infrared circulation drying machine for jujube according to claim 2, characterized in that, in the conveying direction, the frame between the adjacent two conveyor belts is provided with an obliquely arranged baffle plate. 4. red date infrared circulation drying machine according to claim 3, is characterized in that, is positioned at the top of the described conveyer belt of top floor and is provided with uniform distribution device. 5. The jujube infrared circulation dryer according to claim 4, wherein the uniform distribution device comprises a uniform distribution plate, and two parallel bars are hinged between the two ends of the uniform distribution plate and the frame. The connecting rod is provided; the side of the uniform distribution plate close to the conveyor belt is provided with an inclined surface. 6. The red date infrared circulation dryer according to any one of claims 1 to 5, wherein the air circulation device comprises an exhaust fan arranged on the frame and connected to the electric control unit, so that The air outlet end of the exhaust fan is provided with a suction pipe communicating with the drying chamber, the air inlet end of the exhaust fan is provided with an exhaust pipe, and the end of the exhaust pipe far away from the exhaust fan is provided with a filter, The end of the filter away from the exhaust pipe is provided with an air outlet pipe. 7. The red date infrared circulation drying machine according to claim 6, characterized in that, the air outlet pipe is communicated with a circulating air duct, and one end of the circulating air duct is also communicated with the drying chamber, and the circulating air The other end of the pipe communicates with the atmosphere; valves are provided on the circulating air pipes located on both sides of the air outlet pipe. 8. The red date infrared circulation drying machine according to claim 6, characterized in that, the humidifying device comprises a water tank arranged on the frame and a water pump connected with the electric control unit, and the water tank is provided with Fill pipes, drain pipes and water pressure gauges; The water pump is provided with a water inlet pipe extending into the water tank, and the water inlet pipe in the water tank is provided with a filter screen; the water pump is also provided with a water delivery pipe extending into the drying chamber, located in the The water delivery pipe in the drying chamber is provided with an atomizing nozzle, the atomizing nozzle is located below the infrared drying and conveying mechanism at the bottom, and the frame below the atomizing nozzle is provided with a The fan connected to the electronic control unit. 9. The red date infrared circulation dryer according to claim 8, characterized in that, the water tank is provided with a heater extending to the inside of the water tank and connected to the electric control unit. 10. The red date infrared circulation dryer according to claim 6, characterized in that an insulating layer is provided on the frame corresponding to the drying chamber and the feeding chamber.