CN219318968U - Cereal air current stoving formula attemperator - Google Patents

Abstract

The utility model discloses a grain airflow drying type temperature regulating device, and relates to the technical field of grain drying equipment. The utility model comprises a drying bin; the drying bin comprises an outer cylinder and an inner cylinder vertically fixed in the outer cylinder; the two opposite side walls of the outer cylinder are provided with ventilation openings; a ventilation opening is connected with the hot air mechanism; the other ventilation opening is connected with the air cooler mechanism; a plurality of air inlets corresponding to the air vents are arranged on two opposite side walls of the inner cylinder side by side; a plurality of blocking strips corresponding to the air inlets are horizontally arranged between two opposite side walls of the inner cylinder; two ends of the blocking strip are respectively connected to the upper edges of the two corresponding air inlets; an air knife is fixed below the blocking batten in parallel; one end of the air knife is connected with an air delivery pipe; one end of the air delivery pipe is connected to the cold air mechanism. The utility model has reasonable structural design and convenient use, and effectively improves the temperature regulating efficiency.

Description

Cereal air current stoving formula attemperator

Technical Field

The utility model belongs to the technical field of grain drying equipment, and particularly relates to a grain air flow drying type temperature regulating device.

Background

The Chinese patent with the publication number of CN213067013U discloses an automatic temperature regulating device of a gas energy grain dryer, which is characterized in that when grains are dried, the temperature of the grains needs to be reduced, cold air is blown to a cold air port through a first cold air pipe to reduce the temperature of the grains through the work of a cold air motor, at the moment, an electromagnetic water valve is in a normally closed state, and the cold air cannot pass through a second cold air pipe; when the temperature inside the drying bin is higher than the set drying temperature, the temperature sensor transmits signals to the PLC controller, the PLC controller processes information after receiving the signals and transmits electric signals to the electromagnetic water valve, the electromagnetic water valve is changed from a normally closed state to a normally open state after receiving the electric signals, cold air in the first cold air pipe enters hot air pipes from the second cold air pipes to mix hot air so as to reduce the temperature, when the temperature sensor detects that the temperature of the hot air ports is at the set drying temperature, the PLC controller transmits signals to the PLC controller, the PLC controller detects the signals of the temperature sensor, and transmits signals to the electromagnetic water valve, and the electromagnetic water valve is restored to the normally closed state. The device has the following disadvantages: the supplementary cold air or hot air is conveyed into the drying bin only through the cold air port or the hot air port, so that the temperature distribution in the drying bin is possibly uneven, and the rapid cooling or heating in the drying bin is difficult to realize; and the temperature of the drying bin is raised by adding the hot air blower, the combustion furnace and other parts, so that the use cost is increased. Therefore, it is needed to study a grain air flow drying type temperature adjusting device so as to solve the above problems.

Disclosure of Invention

The utility model provides a grain airflow drying type temperature regulating device, which aims to solve the technical problems in the background technology.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a grain airflow drying type temperature regulating device which comprises a drying bin, a feeding mechanism vertically connected to the drying bin, a controller arranged on the feeding mechanism, a temperature sensor arranged in the drying bin, and a hot air mechanism and a cold air mechanism arranged on the periphery of the drying bin, wherein the hot air mechanism and the cold air mechanism are arranged on the periphery of the drying bin; the controller is respectively and electrically connected with the temperature sensor, the hot air mechanism and the cold air mechanism; the drying bin comprises an outer cylinder which is vertically arranged and an inner cylinder which is vertically fixed in the outer cylinder; an air transmission gap is formed between the outer cylinder and the inner cylinder; the two opposite side walls of the outer cylinder are provided with ventilation openings; the ventilation opening is connected with the air heating mechanism; the other ventilation opening is connected with the air cooler mechanism; a plurality of air inlets corresponding to the air vents are arranged on two opposite side walls of the inner cylinder side by side; a plurality of blocking strips corresponding to the air inlets are horizontally arranged between two opposite side walls of the inner cylinder; two ends of the blocking strip are respectively connected to the upper edges of the two corresponding air inlets; an air knife is fixed below the blocking batten in parallel; one end of the air knife is connected with an air delivery pipe; one end of the air conveying pipe is connected to the cold air mechanism.

As a preferable technical scheme of the utility model, the ventilation opening is in an isosceles triangle structure; the cross section of the blocking lath along the direction vertical to the length direction is in a reverse V-shaped structure; the end edges of the blocking battens are correspondingly fixed on two inclined edges at the upper part of the ventilation opening; the two ends of the air knife are respectively fixed in the two corresponding air inlets; the air outlet end of the air knife vertically points to the lower end part of the inner cylinder.

As a preferable technical scheme of the utility model, the hot air mechanism comprises a blower; the air outlet end of the blower is connected with a positive pressure air conveying pipe; one end of the positive pressure air conveying pipe is connected with a hot air cover; the edge of the open end of the hot air cover is connected with the edge of a ventilation opening; an electric heating pipe is arranged in the hot air cover.

As a preferable technical scheme of the utility model, the cold air mechanism comprises a cold air blower; the air outlet end of the cold air blower is connected with a cold air conveying pipe; one end of the cold air conveying pipe is connected with a cold air cover; the edge of the open end of the cold air cover is connected with the edge of the other ventilation opening; an adaptive baffle is fixed at the open end of the cold air cover; one end of the air conveying pipe penetrates through the partition plate and is inserted into the cold air cover.

The utility model has the following beneficial effects:

according to the utility model, after grains are conveyed to the upper port of the inner barrel by the feeding mechanism, the hot air mechanism is started by the controller, so that the hot air mechanism is promoted to convey hot air into the air conveying gap between the outer barrel and the inner barrel and enter the inner barrel through the air conveying opening, and the blocking strips can prevent the grains from being discharged into the air conveying gap from the air conveying opening, so that the grain drying treatment is realized; the temperature in the inner cylinder is detected in real time through the temperature sensor and fed back to the controller, the controller compares the received temperature value with a preset range value, and when the temperature value received by the controller is lower than the preset range value, the controller improves the working power of the hot air mechanism, and the air quantity temperature provided by the hot air mechanism is promoted to be higher, so that the temperature in the inner cylinder is rapidly and uniformly improved; when the temperature value received by the controller is higher than the preset range value, the controller reduces the working power of the hot air mechanism, meanwhile, the controller starts the cold air mechanism, cold air generated by the cold air mechanism is conveyed to the air knife through the air conveying pipe and then is discharged into the inner cylinder through the air knife, and therefore the temperature in the inner cylinder is rapidly and uniformly reduced; when the temperature value received by the controller is in the preset range value, the controller closes the cold air mechanism and restores the working power of the hot air mechanism to the initial value, so that the drying efficiency of grains is ensured, and the use cost is reduced.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a grain airflow drying type temperature regulating device according to the present utility model.

Fig. 2 is a front view of the structure of fig. 1.

Fig. 3 is a schematic structural view of the drying bin of the present utility model.

Fig. 4 is a schematic structural view of the outer tub of the present utility model.

FIG. 5 is a schematic structural view of an inner barrel according to the present utility model.

Fig. 6 is a front view of the structure of fig. 5.

FIG. 7 is a schematic view of the air knife of the present utility model mounted on an inner barrel.

Fig. 8 is a front view of the structure of fig. 7.

Fig. 9 is a control schematic diagram of a grain airflow drying type temperature regulating device according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

the device comprises a 1-drying bin, a 2-feeding mechanism, a 3-controller, a 4-temperature sensor, a 5-hot air mechanism, a 6-cold air mechanism, a 7-air knife, an 8-air conveying pipe, a 101-outer barrel, a 102-inner barrel, a 103-ventilation opening, a 104-air conveying opening, a 105-blocking slat, a 501-blower, a 502-positive pressure air conveying pipe, a 503-hot air fan cover, a 504-electric heating pipe, a 601-cold air fan, a 602-cold air conveying pipe, a 603-cold air fan cover and a 604-partition plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

First embodiment:

referring to fig. 1-9, the utility model discloses a grain airflow drying type temperature regulating device, which comprises a drying bin 1, a feeding mechanism 2 vertically connected to the drying bin 1, a controller 3 arranged on the feeding mechanism 2, a temperature sensor 4 arranged in the drying bin 1, and a hot air mechanism 5 and a cold air mechanism 6 arranged on the periphery of the drying bin 1; the feeding mechanism 2 is a conventional material lifting machine in the field; the controller 3 and the temperature sensor 4 are conventional elements in the art; the controller 3 is respectively and electrically connected with the temperature sensor 4, the hot air mechanism 5 and the cold air mechanism 6; the drying bin 1 comprises an outer cylinder 101 which is vertically arranged and an inner cylinder 102 which is vertically fixed in the outer cylinder 101; the horizontal cross section of the outer cylinder 101 and the horizontal cross section of the inner cylinder 102 are both square frame structures; an air transmission gap is formed between the outer cylinder 101 and the inner cylinder 102; the upper port edge of the outer cylinder 101 is connected with the upper port edge of the inner cylinder 102, and the lower port edge of the outer cylinder 101 is connected with the lower port edge of the inner cylinder 102; the upper port of the inner cylinder 102 is a feed inlet, and the lower port of the inner cylinder 102 is a discharge outlet; a vent 103 with a square structure is arranged on two opposite side walls of the outer cylinder 101; a ventilation opening 103 is connected with the hot air mechanism 5; the other ventilation opening 103 is connected with the cold air mechanism 6; a plurality of air inlets 104 corresponding to the air vents 103 are arranged on two opposite side walls of the inner cylinder 102 side by side; a plurality of blocking strips 105 corresponding to the air outlets 104 are horizontally arranged between two opposite side walls of the inner cylinder 102; the two ends of the blocking strip 105 are respectively connected to the upper edges of the two corresponding air inlets 104; below the blocking strips 105 is secured in parallel a conventional air knife 7 of the art; one end of the air knife 7 is connected with an air delivery pipe 8; one end of the air delivery pipe 8 is connected to the cold air mechanism 6; the temperature sensor 4 is mounted on the inner sidewall of the inner cylinder 102, and the temperature sensor 4 is disposed above a barrier strip 105. When the grain dryer is used, after grains are conveyed to the upper port of the inner cylinder 102 by the feeding mechanism 2, the hot air mechanism 5 is started by the controller 3, so that the hot air mechanism 5 is driven to convey hot air into the air conveying gap between the outer cylinder 101 and the inner cylinder 102 and enter the inner cylinder 102 through the air conveying opening 104, and the blocking strips 105 can prevent the grains from being discharged into the air conveying gap from the air conveying opening 104, so that the grain drying treatment is realized; the temperature in the inner cylinder 102 is detected in real time through the temperature sensor 4 and fed back to the controller 3, the controller 3 compares the received temperature value with a preset range value, when the temperature value received by the controller 3 is lower than the preset range value, the controller 3 improves the working power of the hot air mechanism 5, and the air volume temperature provided by the hot air mechanism 5 is promoted to be higher, so that the temperature in the inner cylinder 102 is rapidly and uniformly improved; when the temperature value received by the controller 3 is higher than the preset range value, the controller 3 reduces the working power of the hot air mechanism 5, meanwhile, the controller 3 starts the cold air mechanism 6, cold air generated by the cold air mechanism 6 is conveyed to the air knife 7 through the air conveying pipe 8 and then is discharged into the inner barrel 102 through the air knife 7, and therefore the temperature in the inner barrel 102 is reduced rapidly and uniformly; when the temperature value received by the controller 3 is within the preset range value, the controller 3 turns off the cold air mechanism 6 and restores the working power of the hot air mechanism 5 to the initial value, so that not only the drying efficiency of grains is ensured, but also the use cost is reduced.

Specific embodiment II:

as shown in fig. 2-3 on the basis of the first embodiment, the hot air mechanism 5 includes a conventional blower 501 in the art; the blower 501 is electrically connected with the controller 3; blower 501 is electrically connected to a conventional transmission in the art; the speed changer is electrically connected with the controller 3; the air outlet end of the blower 501 is connected with a positive pressure air conveying pipe 502; one end of the positive pressure air conveying pipe 502 is connected with a hot air cover 503; the edge of the open end of the hot air fan housing 503 is connected with the edge of a ventilation opening 103; the inside of the hot air hood 503 is provided with an electric heating pipe 504 which is conventional in the art; the electric heating tube 504 is electrically connected with the controller 3; the electric heating tube 504 is connected to a transformer as is conventional in the art; the transformer is electrically connected with the controller 3. When the temperature value received by the controller 3 is higher than the preset range value, the controller 3 increases the rotating speed of the blower 501 through the speed changer and increases the working power of the electric heating pipe 504 through the transformer, so that the blower 501 provides higher wind speed into the wind transmission gap through the positive pressure wind conveying pipe 502 and the hot wind cover 503, and meanwhile, the electric heating pipe 504 provides higher heat into the wind transmission gap, and further, the rapid and uniform temperature rise in the inner barrel 102 is realized; when the temperature value received by the controller 3 is within the preset range value, the controller 3 restores the rotation speed of the blower 501 to an initial value through the transmission and restores the operating power of the electric heating pipe 504 to an initial value through the transformer, thereby guaranteeing the drying effect of the grains.

Wherein, as shown in fig. 2-3, the cool air mechanism 6 comprises a conventional cool air blower 601 in the art; the cold air fan 601 is electrically connected with the controller 3; the air outlet end of the cold air fan 601 is connected with a cold air conveying pipe 602; one end of the cold air conveying pipe 602 is connected with a cold air cover 603; the edge of the open end of the cold air cover 603 is connected with the edge of the other ventilation opening 103; an adaptive baffle 604 is fixed at the open end of the cold air cover 603; the partition 604 is used for isolating the inside of the cool air duct 603 from the inside of the outer tub 101; one end of the air delivery pipe 8 penetrates through the partition plate 604 and is inserted into the cold air cover 603. When the temperature value received by the controller 3 is higher than a preset range value in use, the controller 3 starts the cold air fan 601, the cold air fan 601 generates cold air and is conveyed into the air conveying pipe 8 through the cold air conveying pipe 602 and the cold air cover 603, and then is conveyed into the inner barrel 102 through the air knife 7, so that the inner barrel 102 is cooled rapidly and uniformly.

Third embodiment:

as shown in fig. 5-8 on the basis of the second embodiment, the ventilation opening 103 has an isosceles triangle structure; the cross section of the blocking batten 105 along the direction vertical to the length direction is in a reverse V-shaped structure; the end edges of the blocking strips 105 are correspondingly fixed on the two upper inclined edges of the ventilation opening 103; two ends of the air knife 7 are respectively connected into the two corresponding air inlets 104 by screws; the air outlet end of the air knife 7 vertically points to the lower end of the inner cylinder 102. When the grain circulating device is used, the ventilation opening 103 is designed to be in an isosceles triangle structure, the cross section of the blocking batten 105 along the direction vertical to the length direction is in a reverse V structure, and the end edges of the blocking batten 105 are correspondingly fixed on the two upper inclined edges of the ventilation opening 103, so that the grain circulating in the inner barrel 102 can be ensured; through the vertical lower tip that points to inner tube 102 of the air-out end of designing air knife 7, after the air-out end of air knife 7 discharges cold wind, cold wind is beaten on the upper surface of the barrier strip 105 of air knife 7 below to break up cold wind, can further improve the cooling efficiency of inner tube 102.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (5)

1. The grain airflow drying type temperature regulating device comprises a drying bin (1), a feeding mechanism (2) vertically connected to the drying bin (1), a controller (3) arranged on the feeding mechanism (2), a temperature sensor (4) arranged in the drying bin (1), and a hot air mechanism (5) and a cold air mechanism (6) arranged on the periphery of the drying bin (1); the controller (3) is respectively and electrically connected with the temperature sensor (4), the hot air mechanism (5) and the cold air mechanism (6); the method is characterized in that:

the drying bin (1) comprises an outer cylinder (101) which is vertically arranged and an inner cylinder (102) which is vertically fixed in the outer cylinder (101); an air transmission gap is formed between the outer cylinder (101) and the inner cylinder (102); the two opposite side walls of the outer cylinder (101) are provided with ventilation openings (103); the ventilation opening (103) is connected with the hot air mechanism (5); the other ventilation opening (103) is connected with a cold air mechanism (6); a plurality of air inlets (104) corresponding to the air vents (103) are arranged on two opposite side walls of the inner cylinder (102) side by side; a plurality of blocking strips (105) corresponding to the air delivery openings (104) are horizontally arranged between two opposite side walls of the inner cylinder (102); two ends of the blocking strip (105) are respectively connected to the upper edges of the two corresponding air inlets (104); an air knife (7) is fixed below the blocking batten (105) in parallel; one end of the air knife (7) is connected with an air delivery pipe (8); one end of the air conveying pipe (8) is connected to the cold air mechanism (6).

2. A grain air-flow drying type tempering apparatus according to claim 1, wherein the ventilation opening (103) has an isosceles triangle structure; the cross section of the blocking lath (105) along the direction vertical to the length direction is in an inverted V-shaped structure; the end edges of the blocking strips (105) are correspondingly fixed on the two upper inclined edges of the ventilation opening (103).

3. The grain airflow drying type temperature regulating device according to claim 2, wherein two ends of the air knife (7) are respectively fixed in two corresponding air inlets (104); the air outlet end of the air knife (7) vertically points to the lower end part of the inner cylinder (102).

4. A grain air-flow drying tempering apparatus according to claim 2 or 3, wherein the hot air mechanism (5) comprises a blower (501); the air outlet end of the blower (501) is connected with a positive pressure air conveying pipe (502); one end of the positive pressure air conveying pipe (502) is connected with a hot air cover (503); the edge of the open end of the hot air cover (503) is connected with the edge of a ventilation opening (103); an electric heating pipe (504) is arranged in the hot air cover (503).

5. A grain air-flow drying tempering apparatus according to claim 4, wherein the cold air mechanism (6) comprises a cold air blower (601); the air outlet end of the cold air blower (601) is connected with a cold air conveying pipe (602); one end of the cold air conveying pipe (602) is connected with a cold air cover (603); the edge of the open end of the cold air cover (603) is connected with the edge of the other ventilation opening (103); an adaptive baffle plate (604) is fixed at the open end of the cold air cover (603); one end of the air delivery pipe (8) penetrates through the partition plate (604) and is inserted into the cold air cover (603).

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