CN102940033B - Mobile infrared heat carrier fluidized bed grain drying plant - Google Patents

Abstract

The invention proposes a mobile infrared heat carrier fluidized bed type grain drying equipment, which includes: a conveying mechanism, which carries the grain and conveys it from the feed port to the discharge port; The grain is heated to evaporate the water in the grain; the blower mechanism blows air to the heating mechanism and the conveying mechanism, blows the air to the grain, takes away the dust and moisture in the grain, and keeps the grain in a fluidized state; the filter mechanism, The dust and water brought out by the blowing mechanism are filtered out; the conveying mechanism, the heating mechanism and the blowing mechanism are arranged on the mobile chassis, and the mobile chassis is equipped with rollers, which can be moved through the mobile chassis. The drying equipment adopts a vehicle-mounted mobile structure, which can be towed to the working place by a trailer at any time, without occupying a specific workshop site, flexible and convenient to use, and conducive to improving production efficiency.

Description

Mobile infrared heat carrier fluidized bed grain drying equipment

technical field

The invention relates to agricultural machinery, in particular to a mobile infrared heat carrier fluidized bed grain drying equipment for drying grains (wheat, rice, rice, sorghum, etc.) before entering the warehouse.

Background technique

After the grain is harvested, it needs to be stored in the granary, and its water content must reach a certain standard to prevent mildew and extend the storage period. At present, small production units use artificial sunning, dehydration, wind power, and artificial lifting to remove grain crumbs; large production units mostly The combustion method is used to heat the air, and the equipment it adopts takes up a large area, and causes pollution to the air, and it is difficult to improve the efficiency. According to relevant data, my country's annual loss of stored grain due to improper water treatment is more than 5%. According to the national calculation, the loss of grain after harvest is very large. Grain drying is an important step in agricultural production, a key link in agricultural production, and an important part of realizing the mechanization of grain production. Grain drying mechanization technology uses machinery as the main means, adopts corresponding processes and technical measures, artificially controls factors such as temperature and humidity, and reduces the moisture content in grains without compromising the quality of grains so that they can meet the national safety storage standards drying technology.

According to its heating method, grain drying equipment can be divided into convection type, conduction type, radiation type, dielectric type and other types. The convection dryer uses the hot drying medium to directly contact the wet material, transfers heat by convection, and takes away the generated steam; the conduction dryer uses conduction to transfer heat from the heat source to the wet material through the metal partition, and generates Moisture steam can be removed by decompression suction, a small amount of purge gas, or condensation on the surface of a separately set low-temperature condenser. This type of dryer does not use drying media, and has high thermal efficiency. The capacity is limited by the heat transfer area of the metal wall, and the structure is also relatively complex, often operating under vacuum; the radiant dryer uses various radiators to emit electromagnetic waves in a certain wavelength range, which are selectively absorbed by the surface of wet materials and then transformed into The heat is used for drying; the dielectric dryer uses a high-frequency electric field to cause a thermal effect inside the wet material to dry. Due to the large volume of commonly used grain drying equipment, it is generally installed directly on a fixed site, and the convenience of use needs to be improved. Therefore, it is necessary to improve its structure to improve the adaptability of the equipment.

Contents of the invention

The purpose of the present invention is to provide a mobile infrared heating medium fluidized bed grain drying equipment.

The technical scheme that the present invention adopts for solving its technical problem is,

Mobile infrared heat carrier fluidized bed grain drying equipment, including:

The conveying mechanism carries the grain and conveys it from the feed port to the discharge port;

The heating mechanism heats the grain on the conveying mechanism to evaporate the water in the grain;

The blowing mechanism blows air to the heating mechanism and the conveying mechanism, blows the air to the grain, takes away the dust and moisture in the grain, and keeps the grain in a fluidized state;

Filtering mechanism to filter out the dust and water brought out by the blowing mechanism;

The conveying mechanism, the heating mechanism and the blowing mechanism are arranged on the mobile chassis, and the mobile chassis is provided with rollers, which can be moved through the mobile chassis.

The conveying mechanism includes a driving wheel and a filter mesh belt, the filter mesh belt is wound on the driving wheel and connected end to end, the driving wheel drives the filter mesh belt to run, the grain is conveyed through the filter mesh belt, the filter mesh belt has mesh holes, and the blower mechanism makes Air is blown through the mesh towards the grain.

The heating mechanism is acted by an infrared heater.

The equipment also includes a number of drying chambers connected in sequence. The conveying mechanism passes through the drying chambers. Each drying chamber is equipped with a heating mechanism and an air blowing mechanism to dry the grains on the conveying mechanism in sections.

Each drying chamber communicates with the filter mechanism through an air pipe, and a fan is installed in the air pipe to pump the dust and moisture of the grain in each drying chamber to the filter mechanism.

The feeding port of the conveying mechanism is connected with the silo, and the silo temporarily stores the dry grain.

The filter mechanism includes a first cyclone separator and a second cyclone separator. The inlet of the first cyclone separator is connected to the drying chamber, and its outlet is connected to the silo. The hot air sent from the drying chamber is filtered and then sent into the In the silo, the grain in the silo is preheated and dedusted, and the silo is communicated with the second cyclone separator, and the second cyclone separator performs dust removal treatment on the air sent out from the silo.

The drying chamber is provided with a detachable door, and the detachable door is provided with a sight glass and an air inlet.

There is a gate valve at the outlet of the silo to control the outflow speed and thickness of the grain in the silo.

The entrance of the silo is provided with a hoist, and the hoist sends the grain to be dried into the silo.

A feeder is provided at the outlet of the conveying mechanism to send the dried grains into the storage device.

A splash guard is arranged above the filter belt to prevent grains on the filter belt from splashing.

The inner wall of the drying warehouse is made of stainless steel plate, and the outer wall is made of aluminum silicate insulation board.

The advantage of the present invention is that the drying equipment adopts a vehicle-mounted mobile structure, which can be towed to the working place by a trailer at any time, does not need to occupy a specific workshop site, is flexible and convenient to use, and is conducive to improving production efficiency. Hot air is passed into the silo to preheat and remove dust from the grain, which improves energy efficiency.

Description of drawings

Fig. 1 is the structural representation of the mobile infrared heat carrier fluidized bed type grain drying equipment that the present invention proposes;

Fig. 2 is a top view of the drying equipment.

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further elaborated below in conjunction with illustrations and specific embodiments.

As shown in Figure 1 and Figure 2, the mobile infrared heat carrier fluidized bed grain drying equipment proposed by the present invention includes a conveying mechanism, a heating mechanism, a blower mechanism and a filtering mechanism, and the conveying mechanism carries the grain and transfers it from the feed The heating mechanism heats the grains on the conveying mechanism to evaporate the water in the grains, and the blowing mechanism blasts the heating mechanism and the conveying mechanism to blow the air to the grains, taking away the dust and dust in the grains Moisture, and keep the grain in a fluidized state. The filter mechanism filters out the dust and water brought out by the blower mechanism. The conveying mechanism, heating mechanism and blower mechanism are arranged on the mobile chassis 1, and the mobile chassis 1 is provided with rollers 11. The mobile transition can be carried out by the mobile chassis 1 .

Concretely, conveying mechanism comprises drive wheel 21 and filter mesh belt 22, and filter mesh belt 22 is wound on the drive wheel 21 and is connected end to end, and drive wheel 21 drives filter mesh belt 22 operation, and grain is conveyed by filter mesh belt 22, and filter mesh There is a mesh in the belt 22, and the air blowing mechanism blows air through the mesh to the grain.

The heating mechanism is acted by an infrared heater.

The equipment also includes drying chambers 3 which are connected in sequence. The conveying mechanism passes through the drying chambers 3. The drying chamber 3 is provided with a heating mechanism and an air blowing mechanism to dry the grains on the conveying mechanism in sections.

The drying chamber 3 communicates with the filter mechanism through the air pipe 4, and the air pipe 4 is provided with a fan 41, which pumps the dust and moisture of the grain in the drying chamber 3 to the filter mechanism.

The feeding port of the conveying mechanism is communicated with the feed bin 5, and the feed bin 5 temporarily stores the grains to be dried.

The drying chamber 3 is provided with a detachable door 31, and the detachable door 31 is provided with a sight glass 32 and an air inlet 33.

The outlet of the feed bin 5 is provided with a gate valve 51 to control the outflow speed of the grain in the feed bin 5 .

The entrance of the feed bin 5 is provided with a hoist 6, and the hoist 6 sends the grain to be dried into the feed bin 5.

A feeder 7 is provided at the discharge port of the conveying mechanism, and the dried grains are sent to the storage device.

The top of the filter mesh belt 22 is provided with a splash guard 23 to prevent the grain on the filter mesh belt 22 from splashing.

The inner wall of the drying chamber 3 is made of stainless steel plate, and its outer wall is made of aluminum silicate insulation board.

The filter mechanism includes a first cyclone separator 81 and a second cyclone separator 82. The inlet of the first cyclone separator 81 is communicated with the drying chamber 3, and its outlet is communicated with the feed bin 5, and the heat sent out from the drying chamber 3 is After the air is filtered, it is fed into the silo 5 to preheat and dedust the grains in the silo 5. Do dust removal.

In this embodiment, the mobile chassis 1 is served by a collection truck. After the drying operation is completed, the equipment can be towed to the parking lot by a tractor, which has good mobility and does not require a specific site.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned embodiments, and that described in the above-mentioned embodiments and the description only illustrates the principles of the present invention, and the present invention also has various aspects without departing from the spirit and scope of the present invention. Variations and improvements all fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (11)

1. Mobile infrared heat carrier fluidized bed grain drying equipment, including: The conveying mechanism carries the grain and conveys it from the feed port to the discharge port; The heating mechanism heats the grain on the conveying mechanism to evaporate the water in the grain; The blowing mechanism blows air to the heating mechanism and the conveying mechanism, blows the air to the grain, takes away the dust and moisture in the grain, and keeps the grain in a fluidized state; Filtering mechanism to filter out the dust and water brought out by the blowing mechanism; The conveying mechanism, heating mechanism and blowing mechanism are arranged on the mobile chassis, and the mobile chassis is equipped with rollers, which can be moved through the mobile chassis; It is characterized in that the drying equipment also includes a number of drying chambers connected in sequence, the conveying mechanism passes through the drying chambers, and each drying chamber is equipped with a heating mechanism and a blowing mechanism to separate the grains on the conveying mechanism. The drying chamber is provided with a detachable door, and the detachable door is provided with a sight glass and an air inlet. 2. The mobile infrared heating medium fluidized bed grain drying equipment according to claim 1, wherein the conveying mechanism includes a driving wheel and a filter belt, and the filter belt is wound on the driving wheel and connected end to end, The driving wheel drives the filter mesh belt to run, and the grain is transported through the filter mesh belt. The filter mesh belt has mesh holes, and the blower mechanism makes air blow to the grain through the mesh holes. 3. The mobile infrared heating medium fluidized bed grain drying equipment according to claim 1, characterized in that the heating mechanism is served by an infrared heater. 4. The mobile infrared heating medium fluidized bed type grain drying equipment according to claim 1, wherein each drying chamber is communicated with a filter mechanism through an air duct, and a blower fan is arranged in the air duct, and each drying chamber is The dust and moisture of the grain in the chamber are pumped to the filter mechanism. 5. The mobile infrared heating medium fluidized bed grain drying equipment according to claim 1, characterized in that the feeding port of the conveying mechanism is connected to the silo, and the silo temporarily stores the grain to be dried. 6. The mobile infrared heating medium fluidized bed grain drying equipment according to claim 5, wherein the filter mechanism includes a first cyclone separator and a second cyclone separator, and the inlet of the first cyclone separator It is connected with the drying chamber, and its outlet is connected with the silo. After filtering the hot air from the drying chamber, it is sent into the silo to preheat and remove dust from the grain in the silo. The silo is separated from the second cyclone. The device is connected, and the second cyclone separator performs dust removal treatment on the air sent out from the silo. 7. The mobile infrared heating medium fluidized bed grain drying equipment according to claim 5, characterized in that a gate valve is provided at the outlet of the silo to control the outflow speed and thickness of the grain in the silo. 8. The mobile infrared heating medium fluidized bed grain drying equipment according to claim 5, characterized in that a hoist is provided at the entrance of the silo, and the hoist sends the grain to be dried into the silo. 9. The mobile infrared heating medium fluidized bed grain drying equipment according to claim 2, characterized in that, a feeder is provided at the outlet of the conveying mechanism to send the dried grains into the storage device. 10. The mobile infrared heating medium fluidized bed grain drying equipment according to claim 2, characterized in that an anti-splash screen cover is arranged above the filter belt to prevent the grain on the filter belt from splashing. 11. The mobile infrared heating medium fluidized bed grain drying equipment according to claim 4, characterized in that the inner wall of the drying warehouse is made of stainless steel plate, and the outer wall is made of aluminum silicate insulation board.

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