CN207180307U - A kind of foodstuff drying device air adjustment actuator - Google Patents

Abstract

A kind of foodstuff drying device air adjustment actuator, including drying tower, drying tower are followed successively by grain entrance, drying section, cooling section, grain-export from top to bottom；Drying section connects heater and hot blast exhaust outlet, cooling section connection heat sink and cold wind exhaust outlet；Heater includes hot blast air intake branch pipeline, the air section of hot blast air intake branch pipeline is L-type, the corner of wind branch pipeline is provided with three air regulating boards, and the two sides of wind branch pipeline, which is respectively welded, is fixed on lower rotary shaft set, upper rotating shaft set, and rotating shaft is worn in two axle sleeves.Relative to prior art, technique effect of the present utility model is that the utility model is provided with air regulating board, it can have rotated certain angle, air regulating board changes the direction of hot blast after hot blast enters Gas inlet tube, under the collective effect of three hot blast plates, realizes to the balanced ventilation on drying tower left and right directions.So that the grain in tower is heated evenly, the grain quality after drying is improved.

Description

A kind of foodstuff drying device air adjustment actuator

Technical field

The equipment that the utility model is related to drying grain.

Background technology

As kind of a grain scale constantly expands, grain is all dried using grain drying machine more in big farming household, exactly passes through pot Stove heat, hot blast is produced, blown against grain, come out the moisture in grain, complete drying.

Utility model content

The technical problems to be solved in the utility model is：The drying time of drying tower is longer, what different drying sections needed Temperature is different, currently without good adjusting method.

The technical solution of the utility model is specially：

A kind of foodstuff drying device air adjustment actuator, including drying tower, drying tower are followed successively by grain entrance, drying from top to bottom Section, cooling section, grain-export；Drying section connects heater and hot blast exhaust outlet, cooling section connection heat sink and cold wind row Air port；Heater includes hot blast air intake branch pipeline, and the air section of hot blast air intake branch pipeline is L-type, wind branch pipeline Corner be provided with three air regulating boards, the two sides of wind branch pipeline, which is respectively welded, is fixed on lower rotary shaft set, upper rotating shaft set, this two Rotating shaft is worn in axle sleeve, air regulating board is fixed in rotating shaft, rotating shaft aweather the outside extension of branch pipeline and fixed crank, on crank Clamping screw is fixed, scale plate is secured in upper rotating shaft set, scale plate is provided with multiple positioning holes coordinated with clamping screw.

The direction of air regulating board and the direction of crank are on a straight line.

Relative to prior art, technique effect of the present utility model is that the utility model is provided with air regulating board, and it can have rotated Certain angle, air regulating board changes the direction of hot blast after hot blast enters Gas inlet tube, real under the collective effect of three hot blast plates Show to the balanced ventilation on drying tower left and right directions.So that the grain in tower is heated evenly, the grain after drying is improved Food matter.

Brief description of the drawings

Fig. 1 is the schematic diagram of dryer.

Fig. 2 is the schematic diagram of drying tower.

Fig. 3 is the cross-sectional view of the first bringing-up section.

Fig. 4 is the vertical section schematic diagram of the first bringing-up section.

Fig. 5 is the vertical section schematic diagram of the second bringing-up section.

Fig. 6 is the schematic diagram of cylindrical pre-cleaning screen.

Fig. 7 is the schematic diagram of grain discharge device.

Fig. 8 is the schematic diagram of blade amplification.

Fig. 9 is the schematic diagram of wind mixed chamber.

Figure 10 is the schematic diagram of the grain mouth of cylindrical pre-cleaning screen.

Figure 11 is the schematic diagram of the air section of hot blast air intake branch pipeline.

Figure 12 is Figure 11 schematic top plan view.

Embodiment

Such as Fig. 1, a kind of grain drier, including raw grain storehouse 1, raw grain storehouse 1 connect cylindrical pre-cleaning screen 2 by elevator 11, Cylindrical pre-cleaning screen 2 connects drying machine 3 by elevator 11, and drying machine 3 connects grain storehouse 12 by elevator 11.In raw grain storehouse 1 Grain be stored in grain storehouse after cylindrical pre-cleaning screen 2, drying machine.Drying machine 3 is followed successively by grain entrance, drying from top to bottom Section, cooling section, grain-export 39, set cooling section be because：If directly stored without cooling, due to air after grain heat-drying The heat that flowing does not cause freely grain to carry is difficult to distribute, and hot environment mould growth ultimately causes decline or the hair of grain quality It is mould.

Such as Fig. 1, drying section connection heater and hot blast exhaust outlet, cooling section connect heat sink and cold wind exhaust outlet. Multiple hot blast exhaust outlets, cold wind exhaust outlet are located at the symmetrical both sides of drying machine（In order to draw conveniently, side has only been drawn in figure）.

Such as Fig. 1, heat sink includes air-cooler 6 and cold wind blast pipe 61, and cold wind blast pipe 61 connects cooling section.

As shown in Figure 1, Figure 2, Fig. 9, heater include hot-blast stove 4, and hot-blast stove 4 connects heat exchanger 41, the connection of heat exchanger 41 three Individual wind mixed chamber 42, three wind mixed chamber 42 are respectively communicated with the first hot-air inlet pipe road 73, the second hot-air inlet pipe road 72, the 3rd hot blast Intake stack 71, drying section are followed successively by first, second, third drying section, first the 73, second heat of hot-air inlet pipe road from top to bottom Wind intake stack 72, the 3rd hot-air inlet pipe road 71 are respectively communicated with first, second, third drying section.Because the first, secondth, The moisture content of three drying section grains declines successively, if using the hot blast of same temperature, the hot blast in drying section two, drying section three Can be burned by the crust of grain, influence the quality of grain.The first drying section on top makes grain using higher hot blast temperature It is rapidly heated, and takes away a part of surface moisture；Second drying section sloughs large quantity of moisture using medium hot blast temperature；3rd drying Duan Caiyong lower temperatures both can reach the purpose sloughed in the stronger moisture of grain intragranular portion absorption affinity.So the first hot-air inlet pipe Road 73, the second hot-air inlet pipe road 72, the temperature in the 3rd hot-air inlet pipe road 71 reduce successively, for example, respectively 160,140, 120℃。

Such as Fig. 2, in order to there is a preferable heating effect, first, second, third drying section is all divided into two zones of heating, and first Hot-air inlet pipe road 73, the second hot-air inlet pipe road 72, the 3rd hot-air inlet pipe road 71 all connect two hot blasts by threeway and entered Wind branch pipeline 74, each hot blast air intake branch pipeline 74 connect a zone of heating.So, thermal efficiency doubles.

In fact, grain will pass through the time of a few hours from the grain entrance of drying machine 3 to grain-export, in order to avoid grain There is larger difference in the time of food heating or cooling, the grain flow velocity of longitudinal grain runner preferably, so, such as Fig. 3,4, The zone of heating horizontal direction array of first drying section arranges multiple cone buckets 31, the junction between adjacent cone bucket 31（Referring to accompanying drawing Mark 36）Sealing, the bottom of cone bucket 31（Referring to reference 32）The logical grain flowing tube 33 of connection, lead to grain flowing tube 33 and connect two heating Delay section 99 between layer, the space between two adjacent cone buckets 31（Referring to reference 37）, should for the heating air duct of this section The bottom surface of heating air duct is the grain layer of delay section 99, and side is the tube wall of grain flowing tube 33, and upper surface is the side wall of cone bucket 31, The both ends of the heating air duct of this section all connect the first hot-air inlet pipe road 73, open up hot blast exhaust outlet on delay section, hot blast is under Flow in the grain gap of layer delay section and discharged on the both sides wallboard that delay section is provided with hot blast exhaust outlet.When grain is from grain Eat after mouth comes in, grain position higher than cloth grain bucket and is in a suitable height under the control of level detector in machine, is uniformly distributed In the inside of cone bucket 3, at the uniform velocity enter next bringing-up section from the inside of cone bucket 3 because 3 two pairs of independences of each cone bucket, each other flow velocity not by Influence, so, heat time difference is smaller.In first drying section, four walls of cone bucket 3 and the outside of flowtube are in hot wind action Under the grain in cone bucket and flowtube is rapidly heated, and taken away a part of surface moisture.

In order to facilitate processing, cone bucket 31 is rectangular pyramid.

Such as Fig. 5, be arranged in parallel multiple pentagon pipelines 38 in second, third drying section, and its vertical section is pentagon, thereon The section in portion is the rectangular cross-section of triangle, bottom, and its upper surface is two boards, and side is two boards, and bottom surface directly contacts Grain, the both ends of pentagon pipeline 38 all connect the second hot-air inlet pipe road 72 or the 3rd hot-air inlet pipe road 71, hot blast from The both sides of pentagon angular tube 35 enter in drying machine, and the gap from the bottom surface of pentagon pipeline 38 along grain is expanded downwards Dissipate, discharged from hot blast exhaust outlet.After the 3rd drying section, grain kernel temperature has built up, so dryer section uses below Lower temperature, which both can reach, sloughs the stronger moisture of grain intragranular portion absorption affinity, can avoid the too high of grain temperature rise again.

Such as Fig. 5, be arranged in parallel multiple pentagon pipelines 38 in cooling section, and its vertical section is pentagon, the section on its top For triangle, the rectangular cross-section of bottom, its upper surface is two boards, and side is two boards, and face directly contacts grain, pentagon The both ends connection cold wind blast pipe 61 of pipeline 38, cold wind enters in drying machine from the both sides of pentagon angular tube 35, from pentagon Gap of the bottom surface of pipeline 38 along grain is diffused downwards, is discharged from cold wind exhaust outlet.Cooling section cools down for adverse current, material By cool time 1.5 hours, cooling fully, thoroughly, was advantageous to safe storage after storage.

Such as Fig. 7, the top of grain-export 39 is provided with grain discharge device, and under its drive, grain is uniformly discharged into grain Food outlet 39, helps uniformly to heat.Discharge device includes multigroup six impellers grain draining crop mechanism, and multigroup six impellers grain arranges grain Mechanism is connected by timing belt 89 with a motor 88, and motor is provided with frequency converter.Timing belt 89 alternately connects six impeller grains Eat top, the bottom of draining crop mechanism.The yield of drying machine and grain matter are closely related.The big then drying time of the moisture of grain is grown, grain The small then drying time of moisture of food is short.The driving of this draining crop mechanism during work, is passed through using frequency converter regulation rotating speed and adjusts regulation Plate controls the drying time of grain with the gap of row's grain axle impeller and the rotating speed of row's grain axle, so as to reach guarantee dries quantity On the premise of adjust yield purpose.

Such as Fig. 8, each six impellers grain draining crop mechanism includes delivery plate 81, collecting board 82, and composition grain falls both it Passage, the lower section of grain dropping channel are provided with drive roll 87, and drive roll 87 fixes more six blades 86, blade 86 in the radial direction The outline 85 of rotation coordinates with the outlet gap of grain dropping channel, and one end of drive roll 87 connects six impellers row's grain axle 84, The plate wheel connection timing belt 89 of six impellers row's grain axle 84.

Such as Fig. 7,8, the machine volume is larger, typically using Assembling, in fact, six impellers row's grain axle 84 rotates Outline 85 and the rigging error of the outlet of grain dropping channel it is larger, therefore, the lower section of collecting board 82 connects adjustable entire row The adjustable plate 83 in grain gap, can effectively solve the problems, such as that fit-up gap is uneven.

Such as Fig. 9, the first hot-air inlet pipe road 73, the second hot-air inlet pipe road 72, the 3rd hot blast air intake are adjusted for convenience The temperature of pipeline 71, heat exchanger 41 connect three connecting pipes 43, and each connecting pipe 43 connects wind mixed chamber 42, three wind mixed chamber 42 the first hot-air inlet pipe roads 73 of difference, the second hot-air inlet pipe road 72, the 3rd hot-air inlet pipe road 71, connecting pipe 43 are provided with Air intlet 44, air intlet 44 are provided with control valve 45, and wind mixed chamber 42 is provided with thermocouple thermometer 47.Follow up thermometer 47 Reading, adjust the intake of air intlet 44, according to intake number, the temperature in regulation hot-air inlet pipe road.

Such as Fig. 1, hot blast exhaust duct 51 carries vapor, and directly row on the outer wall, can be bonded dust, not hygienic enough, so, Multiple hot blast exhaust outlets, cold wind exhaust outlet are parallel to a connection exhaust uptake 51, and connection exhaust uptake is connected at tail gas Tower 5 is managed, is focused on.

The place to use of the machine is mostly our northeast locations, and the clinker of hot-blast stove 4 can fall into slag remover, be embedded in ash water tank Handle, can be frozen in the winter ash water tank in northeast, influence the normal operation of mechanical slag remover.Therefore, hot-blast stove 4 is located at boiler In room 49, cold wind exhaust outlet connection cold wind exhaust duct 62, cold wind exhaust duct 62 connects boiler room 49.Outdoor wind to grain cooling After cooling section, temperature can be raised to 30 DEG C or so, be sent in boiler room 49, and buck is it also avoid while heating Groove freezes.Cold wind exhaust duct 62 is externally provided with heat-insulation layer.

Such as Fig. 6, cylindrical pre-cleaning screen 2 includes frame 21, and frame 21 passes through the rotary screen of the support cylinder shape of carrying roller 22, rotary screen It is divided into the scalping 24 for the inner side being fixed together and the dusting cover 23 of outer layer, end is sent into an end of dusting cover 23 for grain（It is first End）, another end is provided with rotating shaft（Tail end）, rotating shaft connecting power device 27, the grain feeding end of rotary screen, which is higher than to be provided with, to be turned One end of axle, scalping 24 are provided with coarse fodder outlet 25 in one end provided with rotating shaft, and dusting cover 23 is provided with one end bottom provided with rotating shaft Grain mouth 28, the bottom of frame 21 are provided with thin miscellaneous outlet 29.Its operation principle is：After grain enters from feeding end, in rotating shaft Drive under, rotary screen rotation, because gravity can be rotated in it, grain declines grain with smaller debris from the mesh of scalping 24 Enter on dusting cover 23, meanwhile, dusting cover 23 also rotates, and smaller debris falls into fines outlet 29 from the mesh of dusting cover 23, in dusting cover 23 Grain back towards tail end motion, until grain mouth 28 is discharged, the relatively bigger material in scalping 24 moves to its tail end, until from coarse fodder The discharge of outlet 25.Thin miscellaneous outlet 29 is extended at a carrying roller 22 at another carrying roller 22, the thin miscellaneous discharge space of increase.

Caudad moved in order to facilitate the grain of rotary screen, debris, the inner surface of scalping 24 or/and dusting cover 23 is provided with spiral Shape projection 26, the projection can accelerate grain caudad to move.

Such as Figure 10, in rotary course, net grain can be mingled with some dust and other impurities, the side connection of grain mouth 28 when flowing out Air blower 20, offside connection fan outlet, air blower are removed debris using wind speed, the similar action winnowed of the action.Net grain By after filtering by being re-fed into drying machine.

Such as Figure 11, Figure 12, the air section of hot blast air intake branch pipeline 74 is L-type, because its air outlet is wider, can be made Intake velocity, intake into the left and right sides is different, air quantity due to entering drying machine tuyere position or so inequality, causes The grain uneven heating of diverse location in tower, all grain qualities that have impact on after drying, therefore, the turn of wind branch pipeline 74 Place is provided with three air regulating boards 741, and the two sides of wind branch pipeline 74, which is respectively welded, is fixed on lower rotary shaft set 742, upper rotating shaft set 744, Rotating shaft 743 is worn in two axle sleeves, air regulating board 741 is fixed in rotating shaft 743.The outside of the aweather branch pipeline 74 of rotating shaft 743 （The side of upper rotating shaft set 744）Extend and fix crank 745, clamping screw 746 is fixed on crank 745, is consolidated in upper rotating shaft set 744 Scale plate 747 is determined, scale plate 747 is provided with multiple positioning holes 740 coordinated with clamping screw 746.

Because air regulating board 741 is in hot blast air intake branch pipeline 74, it is impossible to it is visible directly, its position is determined for convenience, The direction of air regulating board 741 on a straight line, so can determine tune wind with the direction of crank 745 by the direction of crank 745 The direction of plate 741.

In use, hot blast is come in from air intake 749, enter drying machine from outlet air end 748.Crank 745 is rotated, drives and rotates Rotating shaft 743 and air regulating board 741 are rotated together during crank, and after turning to suitable position, it is fixed on into quarter with clamping screw 746 Spend in the positioning hole 740 of plate 747.Because air regulating board have rotated certain angle, air regulating board changes after hot blast enters Gas inlet tube The direction of hot blast, air quantity, under the collective effect of three hot blast plates, realize to the balanced ventilation on drying machine left and right directions. So that the grain in tower is heated evenly, the grain quality after drying is improved.

Above-described is only preferred embodiment of the present utility model, it is noted that for those skilled in the art For, under the premise of the utility model general idea is not departed from, some changes and improvements can also be made, these should also be considered as The scope of protection of the utility model.

Claims (2)

1. a kind of foodstuff drying device air adjustment actuator, including drying tower（3）, it is characterised in that：Drying tower（3）From top to bottom successively For grain entrance, drying section, cooling section, grain-export（39）；

Drying section connects heater and hot blast exhaust outlet, cooling section connection heat sink and cold wind exhaust outlet；

Heater includes hot blast air intake branch pipeline（74）, hot blast air intake branch pipeline（74）Air section be L-type, wind branch Spool road（74）Corner be provided with three air regulating boards（741）, wind branch pipeline（74）Two sides be respectively welded be fixed on down turn Axle sleeve（742）, upper rotating shaft set（744）, rotating shaft is worn in two axle sleeves（743）, air regulating board（741）It is fixed on rotating shaft（743） On, rotating shaft（743）Aweather branch pipeline（74）Outside extension and fixed crank（745）, crank（745）Upper fixed clamping screw （746）, upper rotating shaft set（744）On secure scale plate（747）, scale plate（747）It is provided with multiple and clamping screw（746）Match somebody with somebody The positioning hole of conjunction（740）.

2. foodstuff drying device air adjustment actuator as claimed in claim 1, it is characterised in that：Air regulating board（741）Direction with shaking （745）Direction on a straight line.