CN112857007A

CN112857007A - Drying machine

Info

Publication number: CN112857007A
Application number: CN202110076241.4A
Authority: CN
Inventors: 贡徐; 杜红彬
Original assignee: Anhui Miduo Food Industry Co ltd
Current assignee: Anhui Miduo Food Industry Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-05-28

Abstract

The invention belongs to the technical field of drying, and particularly relates to a dryer which comprises a dryer box body and an automatic control device, wherein a feed hopper, a material guide plate and a plurality of moisture extractors are arranged on the dryer box body, a plurality of layers of circulating mesh belts, a temperature data collector and a humidity data collector are arranged in the dryer box body, two ends of each layer of circulating mesh belts are arranged in a step shape, the temperature data collector and the humidity data collector are electrically connected with the automatic control device, a heating box is arranged on one side of the dryer box body, one end of the heating box is in conduction connection with an air blower, the other end of the heating box is provided with an air supply pipeline communicated with an inner cavity of the dryer box body, a material turning device is arranged on the other side of the dryer box body, and a feeding hopper and a discharging hopper are respectively arranged; the invention has the advantages of reasonable design, convenient use, high drying efficiency, good drying quality and suitability for popularization.

Description

Drying machine

Technical Field

The invention belongs to the technical field of drying, and particularly relates to a dryer.

Background

In a traditional production mode, in order to prolong the storage time, after crops are harvested, the crops need to be exposed to sunlight continuously to remove water in the crops, but the traditional airing method is not only extremely susceptible to weather, but also needs a large amount of fields and manpower, is long in time consumption and low in working efficiency, and on the basis, technicians in the field provide a dryer in order to improve inconvenience in the traditional crop airing process.

The drying-machine is the equipment that reduces object water content, and the wide application is in each trade, and the moisture content of material must be reduced to the safe moisture that can carry out the storage to the not condition of mildening and rot that wants to let the material reach safe storage. However, the existing dryer has certain disadvantages when in use. Firstly, when materials in smaller forms are transferred on a conveyor belt, particles are easy to fall from a gap, and the internal drying effect is influenced; secondly, the existing dryer is inconvenient for uniform material distribution, and easily causes excessive or insufficient material supply amount, thereby affecting the drying efficiency of the material and the quality of the material; thirdly, in order to prevent the material from being blocked at the feed inlet to influence the normal drying of the material, the existing dryer is provided with a rotating wheel with an eccentric wheel in the feed inlet to avoid the phenomenon; finally, when the materials are turned over by the existing dryer, a stirring device is mostly arranged inside the dryer, the dryer mainly uses a vertical drying tower, and the defects that the whole occupied space area is large, the power consumption is large, the dryer cannot be made into a large-scale dryer, the dryer is not suitable for large-scale material drying, the use is inconvenient, and in the drying process, the materials are easily burnt due to over-drying due to uneven stirring, the drying efficiency of the whole equipment is low, and the drying cost is high.

Therefore, the research on the material drying machine which has the advantages of energy conservation, environmental protection, small volume, good drying effect, simple and convenient operation, continuously adjustable temperature and moisture and cyclic utilization of energy materials has important significance.

Disclosure of Invention

In view of the problems in the prior art, an object of the present invention is to provide a dryer.

In order to achieve the purpose, the invention adopts the following technical scheme: a dryer comprises a dryer box body and an automatic control device, wherein the dryer box body is provided with a feed hopper, a material guide plate and a plurality of moisture extractors, a plurality of layers of circulating mesh belts, a temperature data collector and a humidity data collector are arranged in the dryer box body, two ends of each layer of circulating mesh belts are arranged in a ladder shape, the temperature data collector and the humidity data collector are electrically connected with the automatic control device,

a heating box is arranged at one side of the dryer box body, one end of the heating box is connected with a blower in a conduction way, the other end is provided with an air supply pipeline communicated with the inner cavity of the dryer box body,

and a material turning device is arranged on the other side of the dryer box body, a feeding hopper and a discharging hopper are respectively arranged on the material turning device, and the discharging hopper is arranged above the feeding hopper.

Under the optimal conditions, the starting end of the circulating mesh belt positioned on the first layer is positioned below the feed hopper, the starting end of the circulating mesh belt positioned on the second layer protrudes out of the tail end of the circulating mesh belt positioned on the first layer, the starting end of the circulating mesh belt positioned on the third layer protrudes out of the tail end of the circulating mesh belt positioned on the second layer, the circulating mesh belts are sequentially arranged, the tail end of the circulating mesh belt positioned on the last layer extends to the position of the material guide plate, and the conveying directions of the two adjacent circulating mesh belts are opposite.

Under the optimal condition, a first motor and a second motor are further arranged on the dryer box body, a first conveying belt is arranged at the power output end of the first motor and connected with the rolling shafts of the odd-numbered layers of circulating mesh belts, and a second conveying belt is arranged at the power output end of the second motor and connected with the rolling shafts of the even-numbered layers of circulating mesh belts.

Under the preferred condition, the material turns the device and includes the stirring section of thick bamboo, the inside of stirring section of thick bamboo is run through and is provided with the material receiving conveyer belt, the top fixed mounting who connects the material receiving conveyer belt has the material transferring conveyer belt, the material transferring conveyer belt is kept away from the one end fixed mounting who connects the material receiving conveyer belt has the pay-off conveyer belt, just the pay-off conveyer belt extends to hopper department down the even interval arrangement of surface that connects material receiving conveyer belt, material transferring conveyer belt and pay-off conveyer belt has the hopper, the stirring section of thick bamboo is close to one side of drying-machine box has been seted up and has been connect the material mouth, the stock guide.

Under the preferred condition, the drying-machine box outer wall is provided with a plurality of observation windows for adjusting positive pressure and negative pressure in the drying-machine box, and every observation window corresponds a drying zone.

Under the optimal condition, a plurality of baffles with grooves are arranged on two opposite inner walls of the dryer box body, and the side edges of the circulating mesh belts are arranged in the grooves of the baffles.

Compared with the prior art, the invention has the following technical effects:

1. according to the invention, the multilayer circulating mesh belts are arranged in a step shape, and an S-shaped material conveying mode is formed among the multilayer circulating mesh belts, so that the flow stroke of hot air is increased, the utilization rate of the hot air is increased, the energy consumption and the cost are reduced, and meanwhile, the dryer has a good drying effect on materials;

2. according to the invention, the temperature data collector and the humidity data collector are arranged in the dryer box body, so that a relatively suitable environment can be ensured in the drying process of the material, the opening size of the observation window of each area is adjusted according to the parameters of the temperature data collector, the positive pressure and the negative pressure in the dryer box body are further adjusted, the uniform flow of heat in the dryer box body is ensured, the heat is uniformly distributed to each area in the dryer box body, the dried material is uniform in moisture content and free of scorched particles, and the taste and the quality of the dried material are ensured;

3. the material turning device is arranged, so that the material can be circularly turned in the drying process on the basis of not occupying the internal space of the box body of the drying machine, and the material to be dried can be uniformly distributed, so that the material is dried more uniformly, the phenomenon that the material is burnt due to over-drying because of nonuniform stirring in the drying process is avoided, and the blockage of the material in the feeding hopper is also prevented, so that the drying efficiency of the whole equipment is improved, and the material turning device is suitable for large-scale material drying;

4. according to the invention, the baffle plate with the groove is arranged on the inner wall of the box body of the dryer, and the side edge of the circulating mesh belt is arranged in the groove, so that material particles in a small particle state can be prevented from falling from a crack, and the material can be dried, thereby better completing the drying process and improving the drying effect of the dryer;

5. the dryer of the invention has reasonable design, convenient use, larger or smaller yield compared with the traditional vertical drying tower, power saving compared with the traditional vertical drying tower with the same yield, good quality of the dried material, uniform moisture content, no scorched particles, high drying efficiency and suitability for popularization.

Additional features and advantages of the invention will be set forth in the detailed description which follows.

Drawings

Fig. 1 is a schematic structural view of a dryer according to the present invention;

fig. 2 is a side view of a dryer provided in the present invention;

fig. 3 is a sectional view of a dryer provided in the present invention.

The reference numbers in the figures illustrate: 1-a dryer box body; 2-a feed hopper; 3-a material guide plate; 4-a dehumidifier; 5-a first motor; 6-a second motor; 7-circulating mesh belt; 8-temperature data collector; 9-a humidity data collector; 10-heating a box; 11-a blower; 12-an air supply duct; 13-a material turning device; 14-a feeding hopper; 15-feeding a hopper; 16-a first conveyor belt; 17-a second conveyor belt; 18-a tipping barrel; 19-a receiving conveyor belt; 20-transferring a material conveying belt; 21-a feed conveyor belt; 22-a hopper; 23-a viewing window; 24-baffle.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further clarified by combining the specific drawings.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, the dryer provided by the present invention includes a dryer box 1 and an automatic control device, wherein the dryer box 1 is provided with a feeding hopper 2, a material guide plate 3 and a plurality of moisture extractors 4, the dryer box 1 is internally provided with a plurality of layers of circulating mesh belts 7, a temperature data collector 8 and a humidity data collector 9, two ends of each layer of circulating mesh belts 7 are arranged in a step shape, and the temperature data collector 8 and the humidity data collector 9 are electrically connected to the automatic control device. In the invention, the temperature and humidity parameters are preset according to the requirements of the materials on the drying process, and the pre-regulation control of the temperature and humidity parameters is realized through the automatic control device. A heating box 10 is arranged on one side of the dryer box body 1, one end of the heating box 10 is connected with a blower 11 in a conduction mode, the other end of the heating box 10 is provided with an air supply pipeline 12 communicated with the inner cavity of the dryer box body 1, and hot air is conveyed into the dryer box body 1 through the blower 11 and the heating box 10; a material turning device 13 is arranged at the other side of the dryer box body 1, an upper hopper 14 and a lower hopper 15 are respectively arranged on the material turning device 13, the lower hopper 15 is arranged above the feed hopper 2, and the material is circularly turned in the drying process through the material turning device 13, so that the material is dried more uniformly without the phenomenon of particle pasting;

further, according to the invention, the multiple layers of circulating mesh belts 7 are arranged in a step shape, and the conveying directions of the two adjacent circulating mesh belts 7 are opposite, so that an S-shaped material conveying mode is formed between the multiple layers of circulating mesh belts 7, the flowing stroke of hot air is increased, the utilization rate of the hot air is increased, the energy consumption and the cost are reduced, and meanwhile, the dryer has a good drying effect on materials; in order to facilitate the circulation turning of materials and the discharging of dried materials, the tail end of the last layer of the circulation mesh belt 7 extends to the material guide plate 3, the material guide plate 3 is movably arranged on the dryer box body 1, so that an operator can adjust the material guide direction of the material guide plate according to the requirement to guide the materials out;

further, according to the present invention, the dryer box 1 is further provided with a first motor 5 and a second motor 6, a power output end of the first motor 5 is provided with a first transmission belt 16, the first transmission belt 16 is connected with the rollers of the odd-numbered layers of the endless mesh belts 7, a power output end of the second motor 6 is provided with a second transmission belt 17, and the second transmission belt 17 is connected with the rollers of the even-numbered layers of the endless mesh belts 7.

Furthermore, according to the invention, in order to make the drying of the materials more uniform and ensure the drying taste and quality of the materials, the material turning device 13 is arranged, the materials on the last layer of the circulating mesh belt 7 are guided into the hopper 22 in the material turning cylinder 18 through the material guide plate 3, and the circulating lifting and turning of the materials are realized on the basis of not occupying the internal space of the dryer box body 1 under the action of the material receiving conveyor belt 19, the material transferring conveyor belt 20 and the material feeding conveyor belt 21; meanwhile, the dried materials can be uniformly distributed through the arranged hoppers 22, so that the blockage of the materials in the feed hopper 2 is prevented, and the materials are quantitatively and uniformly scattered on the circulating mesh belt 7; the drying and the turning of the materials are separately carried out, so that the phenomenon that part of the materials are excessively dried to be burnt due to uneven material stirring when the material stirring and the drying are carried out simultaneously in the conventional dryer is avoided, the drying efficiency of the whole equipment is improved, and the drying device is suitable for large-scale material drying;

further, in the invention, a plurality of observation windows 23 are arranged on the outer wall of the dryer box body 1, each observation window 23 corresponds to one drying area, and the positive pressure and the negative pressure in the dryer box body 1 are adjusted by adjusting the opening size of each area observation window 23, so that the heat in the dryer box body 1 is ensured to flow uniformly, and is uniformly distributed to each area in the dryer box body;

furthermore, according to the invention, in order to avoid the falling of the material particles in a small particle state from the crack, a plurality of baffle plates 24 with grooves are arranged on two opposite inner walls of the dryer box body 1, and the side edges of the plurality of circulating mesh belts 7 are all arranged in the grooves of the baffle plates 24, so that the drying process can be better completed, and the material can be dried.

Specifically, firstly, a power line of the dryer box body 1 is connected with an external power supply, an operator presets temperature and humidity parameters through an automatic control device according to the requirements of materials on a drying process, and the running speed of the circulating mesh belt 7 is adjusted; then starting the first motor 5 and the second motor 6 to drive the circulating mesh belt 7 to transmit, starting the blower 11, and emitting the air source into the dryer box body 1 through the heating box 10 and the air supply pipeline 12 in sequence; the materials to be dried are quantitatively poured onto the first layer of circulating mesh belt 7 in the dryer box body 1 through the feeding hopper 14, in the transmission process of the circulating mesh belt 7, the materials fall from the first layer of circulating mesh belt 7 onto the second layer of circulating mesh belt 7 and are transmitted, then fall onto the third layer of circulating mesh belt 7, the materials are transmitted in the mode, and the materials on the circulating mesh belt 7 are dried by hot air in the transmission process of the materials; in the process of drying materials in the dryer box body, according to temperature and humidity parameters on the temperature data collector 8 and the humidity data collector 9, the opening size of the observation window of each area is adjusted so as to adjust positive pressure and negative pressure in the dryer box body, ensure that heat in the dryer box body flows uniformly, uniformly distribute the heat to each area in the dryer box body, balance the temperature of each area, and discharge moisture generated after drying out of the dryer box body through the dehumidifier; the material on the last layer of the circulating mesh belt 7 is guided into the hopper 22 of the material turning device 13 through the material guide plate 3, the material turning device 13 is started to circularly lift and turn the material, and after the material is dried, the material guide plate 3 is rotated to convey the dried material to the next process flow through a material discharging conveyor belt;

the dryer of the invention has reasonable design, convenient use, larger or smaller yield compared with the traditional vertical drying tower, power saving compared with the traditional vertical drying tower with the same yield, good quality of the dried material, uniform moisture content, no scorched particles, high drying efficiency and suitability for popularization.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.

It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. The invention is not described in detail in order to avoid unnecessary repetition.

In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.

Claims

1. A dryer is characterized by comprising a dryer box body (1) and an automatic control device, wherein a feed hopper (2), a material guide plate (3) and a plurality of moisture extractors (4) are arranged on the dryer box body (1), a plurality of layers of circulating mesh belts (7), a temperature data collector (8) and a humidity data collector (9) are arranged in the dryer box body (1), two ends of each layer of circulating mesh belts (7) are arranged in a ladder shape, the temperature data collector (8) and the humidity data collector (9) are electrically connected with the automatic control device,

a heating box (10) is arranged at one side of the dryer box body (1), one end of the heating box (10) is connected with a blower (11) in a conduction way, the other end is provided with an air supply pipeline (12) communicated with the inner cavity of the dryer box body (1),

and a material turning device (13) is arranged on the other side of the dryer box body (1), an upper hopper (14) and a lower hopper (15) are respectively arranged on the material turning device (13), and the lower hopper (15) is arranged above the feeding hopper (2).

2. The dryer according to claim 1, characterized in that the start of said endless wire belt (7) at the first layer is located below said feeding hopper (2), the start of said endless wire belt (7) at the second layer protrudes from the end of said endless wire belt (7) at the first layer, the start of said endless wire belt (7) at the third layer protrudes from the end of said endless wire belt (7) at the second layer, and the ends of said endless wire belts (7) at the last layer extend to said guide plate (3), and the directions of conveyance of the adjacent endless wire belts (7) are opposite.

3. The dryer according to claim 1, characterized in that a first motor (5) and a second motor (6) are further arranged on the dryer box body (1), a first conveying belt (16) is arranged at the power output end of the first motor (5), the first conveying belt (16) is connected with the rollers of the circulating mesh belt (7) at the odd-numbered level, a second conveying belt (17) is arranged at the power output end of the second motor (6), and the second conveying belt (17) is connected with the rollers of the circulating mesh belt (7) at the even-numbered level.

4. The dryer according to claim 1, wherein said material flipping means (13) comprises a flipping cylinder (18), a material receiving conveyor belt (19) penetrates through the interior of the material turning barrel (18), a material turning conveyor belt (20) is fixedly mounted at the top end of the material receiving conveyor belt (19), a feeding conveyor belt (21) is fixedly arranged at one end of the material transferring conveyor belt (20) far away from the material receiving conveyor belt (19), and the feeding conveyor belt (21) extends to the discharging hopper (15), hoppers (22) are uniformly arranged on the outer surfaces of the receiving conveyor belt (19), the transferring conveyor belt (20) and the feeding conveyor belt (21) at intervals, a material receiving opening is arranged on one side of the material turning barrel (18) close to the dryer box body (1), the material guide plate (3) extends into the material turning barrel (18) through the material receiving opening.

5. The dryer according to claim 1, characterized in that a plurality of observation windows (23) are provided on the outer wall of the dryer casing (1) for adjusting the positive and negative pressure in the dryer casing (1), each observation window (23) corresponding to a drying zone.

6. The dryer according to claim 1, characterized in that a plurality of baffles (24) with grooves are arranged on two opposite inner walls of the dryer box body (1), and the side edges of the plurality of circulating mesh belts (7) are arranged in the grooves of the baffles (24).