CN2499776Y

CN2499776Y - Grain drier

Info

Publication number: CN2499776Y
Application number: CN 01267428
Authority: CN
Inventors: 吴军港
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-10-10
Filing date: 2001-10-10
Publication date: 2002-07-10
Anticipated expiration: 2011-10-10

Abstract

The utility model relates to a grain dryer, which comprises a dryer body, a conveying device and a hot wind generation device, wherein a plurality of hot wind passages formed by net boards, wind convulsion passages and a grain stacking groove are arranged at the lower half part of the dryer body. The conveying device can quantitatively move the grains in the grain stacking groove down and convey the grains to the upper end of the dryer body and make the grains uniformly fall off. The hot air generation device is composed of an exhaust fan and a hot wind fan, and is respectively communicated with the wind convulsion passages and the hot wind passages arranged in the dryer body. An outlet of the hot wind fan is provided with a wind direction swing mechanism to make the blowing of hot wind uniform. In addition, after the relevant components of the conveying device, the net boards, etc. are improved, the utility model not only efficiently raises drying efficiency but also has the advantages of uniformly drying and decreasing failure rate.

Description

Crop dryer

Technical field

The utility model relates to a kind of crop dryer, particularly a kind of crop dryer that has better drying effect by the mode that blows that changes hot blast cooperates the improvement of web plate and material toggling pawl structure.

Background technology

The peasant must be with the moisture removal in the grain after harvesting for paddy, and traditional approach all is the modes that adopt exposure in sunshine, and is present then mostly utilize the crop dryer of heated air circulation type to come dried grain.

It mainly is that Lower Half in body A inside is divided into several semiclosed hot blast air channel B spaced apart from each other for traditional crop dryer (as shown in Figure 1), and semiclosed exhausting air channel C, be that grain is heaped groove D between hot blast air channel B and exhausting air channel C, the below outlet that each grain is heaped groove D is equipped with a material toggling pawl E that can intermittently rotate, top, bottom and the tail end of hot blast air channel B all are closed, its two side is parallel fine-structure mesh plate F, its front end then is the inlet of hot blast, and it just can accept the hot blast supplied by the combustor stove of fuel oil (generally all use); It is entered in the B of hot blast air channel, and bottom and the front end of exhausting air channel C all are closed, and its top and two sides are fine-structure mesh plate F, and its tail end then is the outlet of exhausting, just can the air in the C of exhausting air channel be extracted out by an air exhauster; The suction that is subjected to air exhauster when the hot blast in the B of hot blast air channel is to enter grain to heap in the groove D via two side fine-structure mesh plate F, use the grain that grain is heaped in the groove D and carry out dry work, hot blast is inhaled in the C of exhausting air channel and by air exhauster and extracts out outside the body A then, grain is heaped the grain in the groove D in addition, can be because of the rotation of having a rest between the material toggling pawl E, and intermittently quantitatively fall in the material collecting tank G of base inside, below, in addition in order to increase the effect of oven dry, G is provided with infrared facility H in this material collecting tank, be provided with defeated paddy screw rod I in the bottom of this material collecting tank G, grain can be delivered to body A front end, and grain is delivered on the body A top one defeated paddy screw rod K place from bottom to top by a conveyer J, and on average drop in the inner space of body A via dispersal device, circulation can be finished the drying work of grain so repeatedly.

Though above-mentioned crop dryer can reach the effect of dry grain, but in the process of practical operation and use oven dry, obviously still have some defectives and demand further being studied improvement urgently, at first, because it is traditional when utilizing air exhauster that hot blast is sent, therefore the hot blast of being sent all causes uneven situation towards fixing direction basically easily, in addition, traditional web plate F is flat structure (as shown in Figure 2), for the intensity that increases web plate F and avoid its distortion, traditional web plate F all is provided with the floor L that strengthens structure, though and the setting of this floor L has the effect that can reach increase web plate F intensity, but relative this floor L also can stop the conduction of hot blast, make near the other grain of this floor L and can't be dried smoothly, and influence its drying effect.Traditional again material toggling pawl E (as shown in Figure 3), it mainly is on a rotating shaft M switch-plate N to be set, only this switch-plate N must bear great strength in the process of real-world operation, therefore cause switch-plate N in the process of practical operation, deform easily bending even damage situation and cause operator's puzzlement, in addition, because heaping the below of groove D, only is responsible for each grain of traditional grain drier by one group of material toggling pawl E, because hot blast is to heap groove D by hot blast air channel B via grain to be discharged by exhausting air channel C, therefore heaping at same grain therefore can be than opposite side near the next drying of the grain of exhausting air channel C, if simultaneously grain is dialled the next uneven phenomenon of dry situation that can produce equally because directly bear hot blast than the side near hot blast air channel B among the groove D.Feeding mouth in the traditional structure and discharging opening only are provided with manual flip again, must be dependent on manpower fully and open, close, not only operation inconvenience and wasting time and energy.In addition, owing to there is no any supervising device for the convection current of hot blast in the traditional structure, therefore in the process of grain oven dry, often have web plate F and block and cause the reduction of whole hot air circulation efficient and do not know.Again in traditional structure for the number of revolutions of defeated paddy screw rod K and lower grain-conveying screw I on can grasping and control and the amount of carrying cereal, therefore be provided with projection P (as shown in Figure 4) in last defeated paddy screw rod K and lower grain-conveying screw I, cooperate simultaneously contact-making switch R is set in position, make when failing paddy screw rod K and lower grain-conveying screw I rotational conveyance cereal on this, the projection P that is located on the defeated paddy screw rod then can touch contact-making switch R and produce also output signal, because aforementioned contact-making switch R is higher relatively in the long-time following fault rate of using, therefore usually cause operation and maintenance personal's puzzlement.In addition since commonly use many assemblies that need to rotate such as material toggling pawl E are arranged in the structure, on dial paddy screw rod K and set aside paddy screw rod I and all need to use bearing, and employed general bearing all must regularly add lubricating oil and just can not influence its usefulness in the traditional structure, but huge with this grain drying machine volume, to do the work of oil lubrication at each bearing, in fact quite inconvenience, and danger is also quite high consequently to be caused operation and maintenance personal inconvenience greatly and perplexs.

Summary of the invention

The purpose of this utility model provides a kind of crop dryer, it mainly includes: a body, Lower Half in this body is to utilize web plate to form several hot blast air channels, exhausting air channel and grain are heaped groove, one conveying device, this conveying device is that quantitative the dialling down and on being delivered to body of grain that grain can be heaped groove makes it evenly fall, one hot wind generating device, this hot wind generating device is made up of an air exhauster and air-heater, it is to be connected with set exhausting air channel and hot blast air channel in the body respectively, its principal character is to be: the outlet of this air-heater is provided with the wind direction wabbler mechanism, make blowing of hot blast more even, reach the purpose of even oven dry.

The utility model is achieved in that a kind of crop dryer, comprising: a body is to utilize web plate to form several hot blast air channels, exhausting air channel and grain to heap groove in the Lower Half of this body; One conveying device, this conveying device are that the grain that grain can be heaped groove is quantitatively dialled and fallen in the inner set material collecting tank of body below base and be delivered to the body upper end, make it evenly fall; One hot wind generating device, this hot wind generating device is made up of an air exhauster and air-heater, and it is to be connected with set exhausting air channel and hot blast air channel in the body respectively; One controller, this controller are to be located at engine body exterior, and it can control the running of aforementioned hot wind generation device and conveying device and the detection and the action of relevant automatic controls; Wherein: the outlet of air-heater is provided with a wind direction wabbler mechanism, this wind direction wabbler mechanism mainly is made up of connecting rod and driving mechanism, wherein be provided with several wind deflectors in connecting rod, move back and forth by wind deflector set on driving mechanism drivening rod and the connecting rod, the hot blast that order is sent by air-heater can reach the purpose of even oven dry by the sending out of aforesaid even structure.

In addition, in crop dryer of the present utility model, web plate is shape outside the multistage bending, promotes the structural strength of itself by this, and the setting that can cancel traditional floor to be to eliminate the dead angle, make hot blast blow with conduct more efficient.

In addition, in crop dryer of the present utility model, be provided with the air monitoring device in air outlet or air intake vent, by this air monitoring device whether the running that can detect and monitor whole hot wind generating device is set normal, whether web plate has the situation of excessive obstruction and cleaning in good time keeps certain drying efficiency to safeguard it.

In addition, in crop dryer of the present utility model, be located at structure and in good time its rotating speed of adjusting that grain is heaped groove below material toggling pawl in the conveying device by changing, not only can increase intensity of material toggling pawl own and service life and can make and be positioned at same grain and heap the slower grain of the groove middle distance nearer rate of drying in exhausting air channel and can stay for some time more, make the degree of its oven dry can be identical, use the uniformity coefficient that promotes its oven dry with opposite side.

The utility model has the advantages that, simple in structure, easy to manufacture, and can promote the uniformity coefficient of grain oven dry and promote whole drying efficiency and durability.

In order to more clearly understand the action principle of the crop dryer that the utility model proposes, the utility model is elaborated below with reference to accompanying drawing.

Description of drawings

Fig. 1 is the schematic diagram of traditional crop dryer.

Fig. 2 is the schematic appearance of web plate in traditional crop dryer.

Fig. 3 is the schematic appearance of material toggling pawl in traditional crop dryer.

Fig. 4 is the schematic appearance of contact-making switch in traditional crop dryer.

Fig. 5 is a stereo appearance figure of the present utility model.

Fig. 6 is a floor map of the present utility model.

Fig. 7 is the stereo appearance figure of web plate in the utility model.

Fig. 8 is the three-dimensional exploded view of material toggling pawl in the utility model.

Fig. 9 is the interlock schematic diagram of material toggling pawl in the utility model.

Figure 10 is the schematic diagram of optoelectronic induction assembly in the utility model.

Figure 11 is the utility model wind direction wabbler mechanism and air monitoring schematic representation of apparatus.

Figure 12 is the schematic appearance of the utility model controller.

Figure 13 is the utility model air monitoring Unit Installation schematic diagram.

Drawing reference numeral explanation: A. body; B. hot blast air channel; C. exhausting air channel; D. grain is heaped groove; E. material toggling pawl; F. web plate; G. material collecting tank; H. infrared facility; I. lower grain-conveying screw; J. conveyer; K. go up defeated paddy screw rod; L. floor; M. rotating shaft; N. switch-plate; P. projection; R. contact-making switch; 1 body; 11 web plates; 12 hot blast air channels; 13 exhausting air channels; 14 grain are heaped groove; 15 material collecting tanks; 16 feeding mouths; 161 gates; 2 conveying devices; 21 conveyers; 22 drives structure; Defeated paddy screw rod on 23; 24 lower grain-conveying screws; 25 material toggling pawls; 25a. material toggling axle; 25b. material toggling axle; 251. material toggling axle; 252. switch-plate; 253. fixed head; 254. groove; 255. grooving; 256a. sprocket wheel; 256b. sprocket wheel; 26. projection; 27. optoelectronic induction assembly; 3 hot wind generating devices; 31 air exhausters; 32 air-heaters; 33 wind direction wabbler mechanisms; 331 connecting rods; 332 driving mechanisms; 333 wind deflectors; 4 controllers; 5 air monitoring devices; 51. fan analyzer; 6. infrared facility.

The specific embodiment

At first referring to Fig. 5 and Fig. 6, it is respectively stereo appearance figure of the present utility model and floor map, it mainly includes: a body 1, Lower Half in this body 1 is to utilize web plate 11 to form several hot blast air channels 12, groove 14 is heaped with grain in exhausting air channel 13, one conveying device 2, this conveying device 2 is that the grain that grain can be heaped groove 14 is quantitatively dialled to fall in the inner set material collecting tank 15 of body 1 below base and be delivered to body 1 upper end and made it evenly fall, one hot wind generating device 3, this hot wind generating device 3 is made up of an air exhauster 31 and air-heater 32, it is connected with body 1 interior set exhausting air channel 13 and hot blast air channel 12 respectively, one controller 4, this controller 4 is to be located at body 1 outside, it can control the running of aforementioned hot wind generation device 3 and conveying device 2 and the detection and the action of relevant automatic controls, its principal character is to be: the outlet of this air-heater 32 is provided with a wind direction wabbler mechanism 33 (as shown in figure 11), this wind direction wabbler mechanism 33 mainly is made up of connecting rod 331 and driving mechanism 332, wherein be provided with several wind deflectors 333 in connecting rod 331, move back and forth by set wind deflector 333 on driving mechanism 332 drivening rods 331 and the connecting rod 331, the hot blast that order is sent by air-heater 32 can reach the purpose of even oven dry by the sending out of aforesaid even structure.

In the said structure, this is arranged at each hot blast air channel 12 of internal body, exhausting air channel 13 and grain, and to heap the web plate 11 of 14 of grooves be the profile (as shown in Figure 7) that is multistage bending, promote the structural strength of its web plate 11 itself by this, and the setting that can cancel traditional floor L to be to eliminate the dead angle that hot blast blows, make hot blast blow with conduct more efficient.

Conveying device 2 of the present utility model mainly is by conveyer 21, drives structure 22, go up defeated paddy screw rod 23, lower grain-conveying screw 24 and several material toggling pawls 25 are formed, wherein conveyer 21 is to be arranged at body 1 outside, go up defeated paddy screw rod 23 and then be located at the top of body 1, its outer end is to receive the grain that conveyer 21 is carried, and evenly fall after being sent to body 1 central interior, 25 of material toggling pawls are to be positioned at the below that grain is heaped groove 14 in addition, driving by driving mechanism 22, make it can in regular turn the grain that is arranged in grain heap groove 14 be dialled down and fall into the inner set material collecting tank 15 of body 1 below base, lower grain-conveying screw 24 then is the below of being located at body 1, this lower grain-conveying screw 24 can will fall into grain in the material collecting tank 15 be transported to the below of aforementioned conveyer 21, make this conveyer 21 this grain can be delivered to again body 1 top and transfer to and fail paddy screw rod 23 and it is delivered to evenly falls after body 1 central interior and be the course of conveying of a repetitive cycling.

Described material toggling pawl 25 (as shown in Figure 8), mainly formed by material toggling axle 251 and several switch-plates 252, wherein on this material toggling axle 251, be provided with several fixed heads 253 with the proper spacing distance, outer rim in each fixed head 253 is provided with several grooves of arranging in the form of a ring 254 with the proper spacing distance, in addition on the switch-plate 252 with respect to material toggling axle 251 on the position of each fixed head 253 be provided with grooving 255, make the grooving 255 on this switch-plate 252 be fixed, make each switch-plate 252 have firmer structure by this and be difficult for deforming with the set groove 254 of each fixed head on the material toggling axle 251 253.

Again; the utility model considers that the grain that the grain in each grain heap groove 14 has than close hot blast air channel 12 is easier to drying; the grain near exhausting air channel 13 1 sides then needs long drying time could obtain identical drying effect; therefore the utility model is provided with a left side in the below that each grain is heaped groove 14; right two material toggling pawl 25a; 25b (as shown in Figure 9); and utilize chain or alternate manner that each grain is heaped the material toggling pawl 25a of set close hot blast air channel, groove 14 belows 12 1 sides and linked drive respectively than the material toggling pawl 25b near exhausting air channel 13 1 sides; wherein; the rotating shaft of the material toggling pawl 25a of close hot blast air channel 12 1 sides is to connect the less sprocket wheel 256a of a size; the rotating shaft of the material toggling pawl 25b of close exhausting air channel 13 1 sides then is to connect the relatively large sprocket wheel 256b of a size; when making drives structure 22 drive sprocket rotation; available rotating speed faster drives each and rotates simultaneously near the material toggling pawl 25a of hot blast air channel 12 1 sides; rotate simultaneously and drive each near the material toggling pawl 25b of exhausting air channel 13 1 sides with slower speed; order can stop the long time near the grain of exhausting air channel 13 1 examples; and reach identical drying effect by the prolongation of drying time, can make oven dry degree of the present utility model more even simultaneously.

Again; reduce whole drying efficiency in order effectively to prevent web plate 11 and to cause hot air circulation to be hindered because of the grain or the obstruction of other foreign matter; crop dryer of the present utility model is provided with air monitoring device 5 in air outlet or air intake vent, the situation that whether running that can detect and monitor whole hot wind generating device 3 by being provided with of this air monitoring device 5 is normal, whether web plate 11 has excessive obstruction and cleaning in good time keeps certain drying efficiency to safeguard it.And aforesaid air monitoring device 5 mainly is at air outlet or air intake vent 51 (as shown in figure 13) of fan analyzer to be installed, because hot blast can make it rotate when passing through fan analyzer 51, therefore as long as produce the signal value by the frequency of rotating, promptly can reach and detect wind speed and judge web plate 11 congestion situations, and can clear up the obturator on the web plate in good time and use and keep the certain drying effect of the utility model.

In order to increase the effect of oven dry, the utility model will be commonly used structure and be located at the infrared facility 6 of material collecting tank 15 tops and change the below (as shown in Figure 6) of being located on body 1 top defeated paddy screw rod 23, make this grain in case be transported to body 1 top via conveying device 2 and promptly can be subjected to the irradiation of infrared facility 6 and produce the effect of oven dry.In order to increase the convenience of operation, the controller 4 in the utility model is portable controller (as shown in figure 12), uses the handled easily personnel operation in addition.

Again, in the structure of the utility model body, be provided with a feeding mouth 16 that is used for adding cereal, these feeding mouth 16 tops then are provided with a gate 161 that can utilize air pressure, oil pressure or other mechanical drive mode to open or close, and use the handled easily personnel and open or close this gate 161 and more close in practical purpose.

Again, the utility model is in last defeated paddy screw rod 23, lower grain-conveying screw 24, the axle of material toggling pawl 25 and conveyer 21 is provided with projection 26, cooperate simultaneously optoelectronic induction assembly 27 (as shown in figure 10) is set in position, order should be gone up defeated paddy screw rod 23, lower grain-conveying screw 24, in the time of material toggling pawl 25 and conveyer 21 rotational conveyance cereal, this optoelectronic induction assembly 27 can detect automatically and output signal is given controller 4, use to improve and commonly use the easy fault of contact-making switch R, the shortcoming that durability is not good, in addition, used bearing is that installing is for having the self-timing of setting fixed point in the utility model conveying device 2, oil supply, the mechanism arrangement of self-lubricate effect, the degree that improves the utility model automation by this reduces maintenance manpower and operating personnel's workload to reduce production costs.

In sum, the utility model crop dryer, it not only has feature simple in structure, easy to manufacture, and has the uniformity coefficient that can promote the grain oven dry really and promote whole drying efficiency and durability.

The above only is preferred embodiment of the present utility model rather than is used for limiting the utility model scope.Be that all equalizations of being done according to the utility model principle change and modify and will not lose main idea of the present utility model place and also do not break away from spirit and scope of the present utility model, the former capital should be considered as further enforcement situation of the present utility model.

Claims

1, a kind of crop dryer comprises:

One body is to utilize web plate to form several hot blast air channels, exhausting air channel and grain to heap groove in the Lower Half of this body;

One conveying device, this conveying device are that the grain that grain can be heaped groove is quantitatively dialled and fallen in the inner set material collecting tank of body below base and be delivered to the body upper end, make it evenly fall;

One hot wind generating device, this hot wind generating device is made up of an air exhauster and air-heater, and it is to be connected with set exhausting air channel and hot blast air channel in the body respectively;

One controller, this controller are to be located at engine body exterior, and it can control the running of aforementioned hot wind generation device and conveying device and the detection and the action of relevant automatic controls;

It is characterized in that: the outlet of this air-heater is provided with a wind direction wabbler mechanism, this wind direction wabbler mechanism mainly is made up of connecting rod and driving mechanism, wherein be provided with several wind deflectors in connecting rod, move back and forth by wind deflector set on driving mechanism drivening rod and the connecting rod, the hot blast that order is sent by air-heater can reach the purpose of even oven dry by the sending out of aforesaid even structure.

2, a kind of crop dryer as claimed in claim 1 is characterized in that the web plate that is arranged between each air channel of internal body and grain heap groove is the profile that a multistage bends.

3, a kind of crop dryer as claimed in claim 1, it is characterized in that conveying device mainly is by conveyer, drives structure, go up defeated paddy screw rod, lower grain-conveying screw and several material toggling pawls are formed, wherein conveyer is to be arranged at the body outside, go up defeated paddy screw rod and then be located at the top of body, its outer end is to receive the grain that conveyer is carried, and evenly fall after being sent to internal body central authorities, the material toggling pawl then is to be positioned at the below that grain is heaped groove in addition, driving by driving mechanism, make it in regular turn the inner set material collecting tank of body below base to be dialled down and to be fallen into to the grain that is arranged in grain heap groove, lower grain-conveying screw then is the below of being located at body, this lower grain-conveying screw can will fall into grain in the material collecting tank be transported to the below of aforementioned conveyer, make this conveyer this grain can be delivered to again the body top and transfer to and fail the paddy screw rod and it is delivered to evenly falls after the internal body central authorities and be the course of conveying of a repetitive cycling.

4, a kind of crop dryer as claimed in claim 3, it is characterized in that the material toggling pawl mainly is made up of material toggling axle and several switch-plates, wherein on this material toggling axle, be provided with several fixed heads with the proper spacing distance, outer rim in each fixed head is provided with the groove that several are arranged in the form of a ring with the proper spacing distance, in addition on the switch-plate with respect to the material toggling axle on the position of each fixed head be provided with grooving, make the grooving on this switch-plate be fixed with the set groove of each fixed head on the material toggling axle.

5, a kind of crop dryer as claimed in claim 3, the below that it is characterized in that each grain heap groove is provided with a left side, right two material toggling pawls also utilize chain or alternate manner is linked drive with each material toggling pawl, and the rotating shaft of the material toggling pawl of each set close hot blast air channel, grain heap groove below one side is the sprocket wheel that links a reduced size, then link the relatively large sprocket wheel of a size in rotating shaft near the material toggling pawl of exhausting air channel one side, making drives structure drive each with rotating speed faster rotates near material toggling pawl of hot blast air channel one side, rotate and drive each near the material toggling pawl of exhausting air channel one side with slower speed, order can stop the long time near the grain of exhausting air channel one side, and reaches identical drying effect by the prolongation of drying time.

6, a kind of crop dryer as claimed in claim 1 is characterized in that crop dryer is provided with the air monitoring device in air outlet or air intake vent.

7, a kind of crop dryer as claimed in claim 6, it is characterized in that the air monitoring device mainly is at air outlet or air intake vent the fan analyzer to be installed, owing to hot blast can make it rotate when the passing through fan analyzer, therefore promptly can reach the detection wind speed and judge the web plate congestion situations as long as produce the signal value by the frequency of rotating.

8, a kind of crop dryer as claimed in claim 1 is characterized in that the defeated paddy screw rod below of going up of the top of body is provided with infrared facility.

9, a kind of crop dryer as claimed in claim 1 is characterized in that controller is a packaged type.

10, a kind of crop dryer as claimed in claim 1 is characterized in that being provided with a feeding mouth that is used for adding cereal, and this feeding mouth top then is provided with a gate that can utilize air pressure, oil pressure or other mechanical drive mode to open or close.

11, a kind of crop dryer as claimed in claim 1 is characterized in that being provided with projection on the axle of upper and lower defeated paddy screw rod and material toggling pawl and conveyer, and the optoelectronic induction assembly is set simultaneously in position.

12, a kind of crop dryer as claimed in claim 1 is characterized in that used bearing installing is for having the mechanism arrangement of setting self-timing fixed point, oil supply, self-lubricate effect in the conveying device.