CN110631354B - Drying equipment for granular materials - Google Patents

Abstract

The invention provides drying equipment for granular materials, and belongs to the technical field of machinery. It has solved when current drying device dries that the material is heated inhomogeneous scheduling technical problem. This a drying equipment for granule material, which comprises a frame, a serial communication port, be fixed with the stoving box in the frame, stoving box lateral part has the operation mouth, still the articulated chamber door that can seal the operation mouth on the stoving box, be provided with the handle on the chamber door, stoving bottom of the case portion has blanking structure, stoving box top is connected with the case lid, the air outlet has been seted up on the case lid, stoving bottom of the case portion still is provided with a plurality of air intakes, be provided with the rotatory placement mechanism who is used for placing the granule material on the stoving box, still be provided with a plurality of hydrothermal mechanisms that can heat in the stoving box in the frame, hydrothermal mechanism includes water, a water pump, the inflation basin, a heater, connecting pipe and thermometer. The invention has the characteristics of uniform material heating and high drying efficiency.

Description

A kind of drying equipment for granular materials

technical field

The invention belongs to the technical field of machinery, in particular to a drying device for granular materials.

Background technique

During the processing of granular materials, they usually go through the step of cleaning. After cleaning, they need to be dried and stored. Therefore, a drying equipment is needed to improve the drying efficiency.

After searching, for example, Chinese patent documents disclose a drying mechanism [application number: 201721609389.5; authorization announcement number: CN 207540268U]. The drying mechanism includes a drying chamber, a drying layer board, an isolation board, a first sealing board, a second sealing board and a blower. The drying chamber has an air inlet and an air outlet, the drying laminate has a plurality of ventilation holes, the number of drying laminates is multiple, the multiple drying laminates are all located in the drying chamber, and the multiple drying laminates are stacked in sequence Distributed and adjacent two drying layers are spaced apart, and an air inlet channel and an air outlet channel are formed between the opposite sides of the plurality of drying layers and the drying chamber, and the air outlet channel is communicated with the air outlet. There is an isolation plate between two adjacent drying layers, and a plurality of isolation plates and a plurality of drying layers form a circuitous shape. The first sealing plate seals the bottommost drying layer, and the second sealing plate Seal the topmost drying shelf. The blower is arranged at the air inlet, and the blower can supply air into the air inlet channel through the air inlet.

Although the drying mechanism disclosed in the patent improves the drying efficiency, the materials on the upper and lower layers are not uniformly heated, and the loading and unloading are cumbersome. Therefore, a drying device for granular materials is designed. Very necessary.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the above problems in the prior art, and propose a drying equipment for granular materials, which has the characteristics of uniform heating of materials and high drying efficiency.

The object of the present invention can be achieved by the following technical solutions: a drying device for granular materials, comprising a rack, characterized in that a drying box is fixed on the rack, and the side of the drying box has The operation port, the drying box body is also hinged with a box door that can close the operation port, the box door is provided with a handle, the bottom of the drying box body has a blanking structure, the top of the drying box body is connected with a box cover, and the box cover It is sealed with the drying box, the box cover is provided with an air outlet, and the air outlet is provided with a negative pressure fan mounting frame, a negative pressure fan is installed on the negative pressure fan mounting frame, and there are several inlets at the bottom of the drying box. The tuyere; the drying box is provided with a rotating placing mechanism for placing granular materials. The rotating placing mechanism includes a rotating shaft and a turntable. The rotating shaft is set on the drying box for horizontal rotation. One end of the rotating shaft is connected with a power that can drive it to rotate. The structure is connected, and the other end of the rotating shaft extends into the drying box and is connected to the turntable. Several intermediate shafts arranged horizontally are fixed on the turntable, and the intermediate shafts are evenly distributed, and a tray for placing granular materials is movably arranged on the intermediate shaft. The rack is also provided with a number of water-heating mechanisms that can heat the drying box. The water-heating mechanism includes a water heat-conducting pipe, a water pump, an expansion water tank, a heater, a connecting pipe and a temperature meter. The water-heating pipe is vertically fixed in the drying chamber. On the inner wall of the box, the heater and the water pump are fixed on the frame, the heater is connected to one end of the water and heat pipe, the water pump is connected to the other end of the water and heat pipe, the heater and the water pump are connected by a connecting pipe, and the expansion tank is fixed at the On the outer wall of the drying box, the bottom of the expansion water tank is connected to the side of the connecting pipe, the thermometer is fixed on the drying box, and the detection part of the thermometer is located in the drying box.

With the above structure, the drying box is heated through the water heat pipe, and the water and heat pipes are heated evenly, preventing the local heating temperature from being too high and damaging the granular materials. A thermometer is set to control the temperature in the drying box and improve the drying efficiency. , Through the rotary motion of the rotary placement mechanism, the granular material is heated evenly, and the drying speed of the granular material is accelerated.

The power structure includes a first bracket, a motor, a driving wheel and a driven wheel, the first bracket is fixed on the frame, the motor is fixed on the first bracket, the output shaft of the motor is horizontally arranged, the driving wheel is fixed on the output shaft of the motor, and the driven wheel is It is fixed on the rotating shaft, and the driving wheel meshes with the driven wheel.

The feeding structure includes a second bracket, a push rod motor and a material guide closing plate. The bottom of the drying box also has a feeding opening. The second bracket is fixed on the frame. The material closing plate can close the feeding opening, the push rod motor is fixed on the frame, the push rod of the push rod motor is vertically upward, and the push rod end of the push rod motor is fixed with a push block that can make the material guide closing plate move. , There is also a feeding channel on the rack.

With the above structure, the push rod of the push rod motor is moved upward to push the material guide closing plate so that the material guide closing plate is inclined, the tray inclines after encountering the material guide closing plate during the rotation process, and the material particles fall from the tray and enter The feeding port realizes the automatic feeding function of granular materials. After the feeding is completed, the push rod of the push rod motor moves down, and the guide closing plate rotates to a horizontal shape due to the action of gravity, and the guide closing plate closes the feeding port. Reduce heat dissipation and save energy.

The intermediate shaft is in the shape of a smooth cylinder, and the end of the intermediate shaft has a convex limiting portion.

With the above structure, the rotation of the tray relative to the intermediate shaft is kept horizontal, and the end of the intermediate shaft is raised to prevent the tray from slipping off during the rotation.

The tray is provided with mounting lugs on both sides, the mounting lugs are provided with rotating holes, and the diameter of the rotating holes is larger than the outer diameter of the intermediate shaft.

A water storage tank is installed on the top of the drying box, and the water storage tank is located above the expansion water tank. The top of the drying box is provided with a connecting water pipe for connecting the water storage tank and the expansion water tank.

With the above structure, the gas temperature and humidity in the drying box are high, and water vapor will be generated when the granular materials are dried. When the water vapor contacts the box cover, due to the low temperature of the box cover, the water vapor will condense and form The condensed water is attached to the box cover, and the condensed water slides into the water storage tank due to the action of gravity, and then is discharged through the connecting water pipe to prevent the condensed water from affecting the drying of granular materials in the drying box.

The working principle of this drying equipment for granular materials is as follows: the water in the water and heat pipe is heated by the heater, the water pump drives the water circulation movement in the water and heat pipe, the water and heat pipe heats the drying box, and the temperature meter Read the temperature inside the drying box, adjust the heater and water pump to control the temperature inside the drying box, and the negative pressure fan will draw out the humid air in the drying box to improve the drying efficiency; the power structure drives the rotating placing mechanism to rotate, and the granular materials are placed in the drying box. The tray moves together with the rotary placement mechanism to speed up the drying speed. After drying, the push rod motor is started, and the push rod of the push rod motor moves upward, thereby pushing the guide closing plate to make the guide closing plate inclined, and the tray is During the rotation process, it is inclined after encountering the guide closing plate, and the material particles fall from the tray into the discharge port. After the unloading is completed, the push rod of the push rod motor moves downward, and the guide closing plate rotates to a horizontal level due to the action of gravity. The material guide closing plate closes the feeding opening, so as to realize the drying and automatic feeding function of granular materials.

Compared with the prior art, the drying equipment for granular materials has the following advantages:

1. The drying box is heated by the water heat pipe. The water and heat pipes are heated evenly to prevent the local heating temperature from being too high and damage to the granular materials. Set the temperature meter to control the temperature in the drying box and improve the drying efficiency. The rotary placement mechanism rotates, so that the granular materials are heated evenly, and at the same time, the drying speed of the granular materials is accelerated, and the efficiency is high.

2. The push rod of the push rod motor moves upward, and pushes the guide closing plate to make the guide closing plate incline. During the rotation process, the tray encounters the guide closing plate and then tilts, and the material particles fall from the tray and enter the unloading. It realizes the automatic feeding function of granular materials. After the feeding is completed, the push rod of the push rod motor moves down, and the guide closing plate rotates to a horizontal shape due to the action of gravity. The guide closing plate closes the discharge opening to reduce heat. Distribute and save energy.

3. The gas temperature and humidity in the drying box are high. When the granular materials are dried, water vapor will be generated. When the water vapor contacts the box cover, due to the low temperature of the box cover, the water vapor will condense into condensed water. Attached to the box cover, the condensed water slides into the water storage tank due to gravity, and is then discharged through the connecting water pipe to prevent the condensed water from affecting the drying of granular materials in the drying box.

Description of drawings

FIG. 1 is a schematic view of the front three-dimensional structure of the present invention.

FIG. 2 is a schematic diagram of the rear perspective structure of the present invention.

FIG. 3 is a cross-sectional view of the present invention.

FIG. 4 is a schematic three-dimensional structure diagram of the hydrothermal mechanism of the present invention.

FIG. 5 is a schematic three-dimensional structure diagram of the rotating mechanism and the power mechanism of the present invention.

FIG. 6 is a schematic three-dimensional structure diagram of the tray of the present invention.

In the figure, 1, the rack; 2, the drying box; 2a, the air inlet; 3, the box door; 3a, the handle; 4, the water storage tank; 5, the box cover; 5a, the air outlet; 6, the installation of the negative pressure fan Rack; 7. Negative pressure fan; 8. Water heat pipe; 9. Feeding port; 10. Water pump; 11. Material guide closing plate; 12. Expansion tank; 13. Turntable; 14. Heater; 15. Bracket 1; 16, connecting pipe; 17, intermediate shaft; 18, thermometer; 19, bracket two; 20, motor; 21, driving wheel; 22, driven wheel; 23, push rod motor; 24, mounting lug; 24a, rotating hole 25, rotating shaft; 26, tray; 26a, storage tank; 26b, ventilation hole; 27, push block; 28, feeding channel; 29, connecting water pipe.

Detailed ways

The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solutions of the present invention, but the present invention is not limited to these embodiments.

As shown in Figures 1 to 6, the drying equipment for granular materials includes a rack 1. In this embodiment, a drying box 2 is fixed on the rack 1, and the side of the drying box 2 has a The operation port, the drying box 2 is also hinged with a box door 3 that can close the operation port, the box door 3 is provided with a handle 3a, the bottom of the drying box 2 has a blanking structure, and the top of the drying box 2 is connected with a The box cover 5 is sealed between the box cover 5 and the drying box 2. The box cover 5 is provided with an air outlet 5a, and the air outlet 5a is provided with a negative pressure fan mounting frame 6, and the negative pressure fan mounting frame 6 is installed with a Negative pressure fan 7, the bottom of the drying box 2 is also provided with a number of air inlets 2a. In this embodiment, the number of air inlets 2a is two; the drying box 2 is provided with a rotating placement mechanism for placing granular materials. The placement mechanism includes a rotating shaft 25 and a turntable 13. The rotating shaft 25 is arranged on the drying box 2 for horizontal rotation. One end of the rotating shaft 25 is connected to a power structure that can drive it to rotate, and the other end of the rotating shaft 25 extends into the drying box. The body 2 is connected to the turntable 13, and the turntable 13 is fixed with several intermediate shafts 17 arranged horizontally. In this embodiment, the number of the intermediate shafts 17 is eight, and the intermediate shafts 17 are evenly distributed, and the movable setting on the intermediate shaft 17 is useful. On the tray 26 for placing granular materials; the rack 1 is also provided with a number of water-heating mechanisms capable of heating the drying box 2. In this embodiment, the number of water-heating mechanisms is two, and the water-heating mechanism includes water. The heat pipe 8, the water pump 10, the expansion water tank 12, the heater 14, the connecting pipe 16 and the thermometer 18, the water heat pipe 8 is vertically fixed on the inner wall of the drying box 2, and the heater 14 and the water pump 10 are fixed on the rack 1 On the upper side, the heater 14 is connected with one end of the water and heat pipe 8, the water pump 10 is connected with the other end of the water and heat pipe 8, the heater 14 and the water pump 10 are connected by a connecting pipe 16, and the expansion water tank 12 is fixed on the drying box 2 On the outer wall, the bottom of the expansion water tank 12 is connected to the side of the connecting pipe 16 , the thermometer 18 is fixed on the drying box 2 , and the detection part of the thermometer 18 is located in the drying box 2 .

With the above structure, the drying box 22 is heated by the water heat pipe 8, and the water and heat pipe 8 is heated evenly to prevent the local heating temperature from being too high and damage to the granular materials. temperature, improve the drying efficiency, through the rotating movement of the rotary placement mechanism, the granular materials are heated evenly, and the drying speed of the granular materials is accelerated.

The power structure includes a bracket one 15, a motor 20, a driving wheel 21 and a driven wheel 22, the bracket one 15 is fixed on the frame 1, the motor 20 is fixed on the bracket one 15, the output shaft of the motor 20 is set horizontally, and the driving wheel 21 is fixed on the On the output shaft of the motor 20 , the driven wheel 22 is fixed on the rotating shaft 25 , and the driving wheel 21 is engaged with the driven wheel 22 .

The blanking structure includes a bracket 19, a push rod motor 23 and a material guide closing plate 11. The bottom of the drying box 2 also has a blanking port. 19, and the material guide closing plate 11 can close the discharge opening 9, the push rod motor 23 is fixed on the frame 1, the push rod of the push rod motor 23 is vertically upward, and the end of the push rod of the push rod motor 23 is fixed There is a push block 27 that can make the guide closing plate 11 move, and the frame 1 also has a feeding channel 28 .

With the above structure, the push rod of the push rod motor 23 is moved upward to push the material guide closing plate 11 so that the material guide closing plate 11 is inclined, and the tray 26 inclines after encountering the material guide closing plate 11 during the rotation process, and the material particles from The tray 26 is dropped and enters the feeding opening 9 to realize the automatic feeding function of granular materials. After the feeding is completed, the push rod of the push rod motor 23 moves downward, and the guide closing plate 11 rotates to a horizontal shape due to the action of gravity. The material guide closing plate 11 closes the discharge opening 9, reduces heat dissipation and saves energy consumption.

The intermediate shaft 17 is in the shape of a smooth cylinder, and the end of the intermediate shaft 17 has a convex limiting portion.

With the above structure, the tray 26 rotates relative to the intermediate shaft 17 and remains horizontal, and the end of the intermediate shaft 17 is raised to prevent the tray 26 from slipping off during the rotation.

There are mounting lugs 24 on both sides of the tray 26. The mounting lugs 24 are provided with a rotating hole 24a. The diameter of the rotating hole 24a is larger than the outer diameter of the intermediate shaft. The tray 26 is provided with a storage slot 26a. The ventilation holes 26b, in this embodiment, the number of the ventilation holes 26b is thirty-two.

A water storage tank 4 is installed on the top of the drying box 2 , and the water storage tank 4 is located above the expansion water tank 12 .

With the above structure, the gas temperature and humidity in the drying box 2 are high, and water vapor will be generated when the granular materials are dried. When the water vapor contacts the box cover 5, the temperature of the box cover 5 is low, and the water vapor will When condensed, condensed water is formed and attached to the box cover 5. The condensed water slides into the water storage tank 4 due to the action of gravity, and is then discharged through the connecting water pipe 29 to prevent the condensed water from affecting the drying of the granular materials in the drying box 2. .

The working principle of the drying equipment for granular materials is as follows: the water in the water and heat conduit 8 is heated by the heater 14 , the water pump 10 drives the water in the water and heat conduit 8 to circulate, and the water and heat conduit 8 heats the drying box 2 . Heating is carried out inside, the temperature in the drying box 2 is read by the thermometer 18, the heater 14 and the water pump 10 are adjusted to control the temperature in the drying box 2, and the negative pressure fan 7 draws out the humid air in the drying box 2, Improve the drying efficiency; the power structure drives the rotary placement mechanism to rotate, and the granular materials are placed on the tray 26 and move together with the rotary placement mechanism to speed up the drying speed. After the drying is completed, the push rod motor 23 is started, and the push rod of the push rod motor 23 Move upward, thereby pushing the material guide closing plate 11 to make the material guide closing plate 11 inclined, the tray 26 is inclined after encountering the material guiding closing plate 11 during the rotation, and the material particles fall from the tray 26 into the discharge port 9, After the feeding is completed, the push rod of the push rod motor 23 moves downward, the material guide closing plate 11 rotates to a horizontal shape due to the action of gravity, and the material guide closing plate 11 closes the discharge opening 9, so as to realize the drying and automatic drying of granular materials. Blanking function.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which the present invention pertains can make various modifications or additions to the described specific embodiments or substitute in similar manners, but will not deviate from the spirit of the present invention or go beyond the definitions of the appended claims range.

Although this article uses rack 1, drying box 2, air inlet 2a, box door 3, handle 3a, water storage tank 4, box cover 5, air outlet 5a, negative pressure fan mounting frame 6, negative pressure fan 7. Water heat pipe 8, feeding port 9, water pump 10, material guide closing plate 11, expansion water tank 12, turntable 13, heater 14, bracket 1 15, connecting pipe 16, intermediate shaft 17, thermometer 18, bracket 2 19. Motor 20, driving wheel 21, driven wheel 22, push rod motor 23, mounting lug 24, rotating hole 24a, rotating shaft 25, tray 26, storage slot 26a, ventilation hole 26b, push block 27, unloading channel 28, Unicom water pipe 29 and other terms, but does not exclude the possibility of using other terms. These terms are used only to more conveniently describe and explain the essence of the present invention; it is contrary to the spirit of the present invention to interpret them as any kind of additional limitation.

Claims (4)

1. Drying equipment for granular materials, including a rack, characterized in that a drying box is fixed on the rack, the side of the drying box has an operation port, and the drying box is also hinged to allow the operation port to be connected. The closed box door is provided with a handle, the bottom of the drying box has a blanking structure, the top of the drying box is connected with a box cover, and the box cover and the drying box are sealed, and the box cover is opened with The air outlet is provided with a negative pressure fan installation frame, and a negative pressure fan is installed on the negative pressure fan installation frame. There are also several air inlets at the bottom of the drying box; Rotary placement mechanism, the rotary placement mechanism includes a rotating shaft and a turntable. The rotating shaft is arranged on the drying box for horizontal rotation. One end of the rotating shaft is connected to a power structure that can drive it to rotate, and the other end of the rotating shaft extends into the drying box. It is connected with the turntable. Several intermediate shafts arranged horizontally are fixed on the turntable, and the intermediate shafts are evenly distributed. A tray for placing granular materials is movably arranged on the intermediate shaft; Several water heating mechanisms, the water heating mechanism includes a water heat pipe, a water pump, an expansion water tank, a heater, a connecting pipe and a temperature meter. The water heat pipe is vertically fixed on the inner wall of the drying box, and the heater and the water pump are fixed on the rack , the heater is connected to one end of the water and heat pipe, the water pump is connected to the other end of the water and heat pipe, the heater and the water pump are connected by a connecting pipe, the expansion water tank is fixed on the outer wall of the drying box, and the bottom of the expansion water tank is connected to the side of the connecting pipe. The temperature meter is fixed on the drying box, and the detection part of the temperature meter is located in the drying box; the blanking structure includes a bracket 2, a push rod motor and a guide closing plate, and the bottom of the drying box is also There is a feeding port, the second bracket is fixed on the frame, the material guide closing plate is rotatably connected to the second bracket, and the material guiding closing plate can close the feeding port, the push rod motor is fixed on the frame, and the push rod motor The push rod is vertically upward, the push rod end of the push rod motor is fixed with a push block that can move the guide material closing plate, and the rack also has a feeding channel; the top of the drying box is installed with a water storage tank, and The water storage tank is located above the expansion water tank, and a communication pipe for connecting the water storage tank and the expansion water tank is provided on the top of the drying box. 2. The drying equipment for granular materials according to claim 1, wherein the power structure comprises a bracket 1, a motor, a driving wheel and a driven wheel, the bracket 1 is fixed on the frame, and the motor is fixed on the On the first bracket, the output shaft of the motor is arranged horizontally, the driving wheel is fixed on the output shaft of the motor, the driven wheel is fixed on the rotating shaft, and the driving wheel is engaged with the driven wheel. 3. The drying equipment for granular materials according to claim 1, wherein the tray has mounting lugs on both sides, the mounting lugs are provided with rotating holes, and the diameter of the rotating holes is larger than that of the intermediate shaft. The outer diameter of the tray is provided with a storage slot, and the storage slot is provided with several ventilation holes. 4 . The drying device for granular materials according to claim 1 , wherein the intermediate shaft is in the shape of a smooth cylinder, and the end of the intermediate shaft has a convex limiting portion. 5 .

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