A kind of foodstuff drying device
Technical field
The present invention relates to drying plant technical field, more specifically, it is related to a kind of foodstuff drying device.
Background technology
China is grain big country, after harvest grain, and it is that grain entrance is stored or other that grain excessive moisture, which is removed,
That processes first wants step, and traditional removal grain excessive moisture is shone often by means of weather using natural causes such as the sun
It is dry, but go mouldy, germinate if running into continuous bad weather and being easily caused grain, cause foodstuff waste.To solve weather etc.
The influence that climatic factor is dried to grain, present people have invented drying technology, are carried out grain moisture content using the heat of manufacture
Filter out, reach the purpose for removing grain excessive moisture.
It is different according to the species of grain, the dryer of different types is emerged on the market, as based on wheat, paddy rice
Mixed flow, the dryer of mixed adverse current pattern may be selected in grain producing region, and it is fast that Multi-stage downstream high temperature may be selected in the producing region such as based on corn
Fast dryer.Producing region such as based on paddy rice, may be selected low temperature, the big delay section dryers such as concurrent-countercurrent, mixed adverse current.Although species
It is various, but it is complicated, and price is relative complex.The dryer that also certain structures are simple, price is relatively cheap simultaneously, still
Its effect does not reach requirement, it is impossible to the use circulated for a long time, and the efficiency of heating surface is not high, influences the effect of drying.
The content of the invention
It is an object of the invention to provide a kind of foodstuff drying device, it is ensured that while drying effect, reduces foodstuff drying device knot
Structure complexity, reduces the manufacturing cost of dryer.
In order to solve the above-mentioned technical problem, the present invention provides following technical scheme:
The foodstuff drying device that the present invention is provided, for grain heat-drying, the foodstuff drying device include drying machine body and
Be arranged on outside the drying machine body and with the crop inlet pipe and grain dischzrging tube being connected including dryer, the crop inlet pipe with
Grain dischzrging tube is separately positioned on the upper/lower terminal of the drying machine body;The top of the drying machine body is tempering room, the baking
Guiding device is set in the middle part of dry machine body, and the bottom of the drying machine body is diversion chamber, and the guiding device includes many
Spiral structure body, the spiral structure body inner hollow, the upper end of the spiral structure body connects the tempering room, the spiral
The lower end of structure connects and forms hot-air channel between the diversion chamber, the adjacent spiral structure body;
The side of the foodstuff drying device body sets device of delivering grain, and grain is entered described in one end connection of the device of delivering grain
Pipe, the other end of the device of delivering grain connects the grain dischzrging tube;
The device of delivering grain is connected by the grain dischzrging tube with the diversion chamber, and the grain device passes through the crop inlet pipe
It is connected with the tempering room;
The foodstuff drying device also includes the hot-blast stove being connected with the hot-air channel, and the hot-blast stove passes through air inlet pipe
It is connected with the hot-air channel, and the top of the foodstuff drying device sets blast pipe, the blast pipe and the tempering room
It is connected,
The middle and lower part of the spiral structure body sets air admission hole, and the spiral structure body passes through the air admission hole and the heat
Wind passage is connected.
It is preferred that, in above-mentioned foodstuff drying device, the outward flange of the spiral structure body and the inwall of the drying machine body
It is fixedly connected.
It is preferred that, in above-mentioned foodstuff drying device, the section of the spiral structure body is direction or circle.
It is preferred that, in above-mentioned foodstuff drying device, the quantity of the spiral structure body is 4.
It is preferred that, in above-mentioned foodstuff drying device, the pitch of the spiral structure body is the drying machine body internal diameter
0.7-0.9 times.
It is preferred that, in above-mentioned foodstuff drying device, the air admission hole is arranged on the face layer of the spiral structure body.
It is preferred that, in above-mentioned foodstuff drying device, the foodstuff drying device also includes air exhauster, the air exhauster and the row
Tracheae is connected.
It is preferred that, in above-mentioned foodstuff drying device, the afterbody of the blast pipe in the tempering room sets steam vent, described
The size of steam vent is less than 2mm.
It is preferred that, in above-mentioned foodstuff drying device, valve is set in the grain dischzrging tube.
The foodstuff drying device that the present invention is provided, dry grain when, grain delivered grain device lifting pass through crop inlet pipe
Drying machine body is admitted to, the tempering room of drying machine body is first passed through, enters guiding device by tempering room, through guiding device most
Enter diversion chamber afterwards, eventually pass grain dischzrging tube discharge dryer.Hot-blast stove is provided for doing by air inlet pipe for drying machine body
Flowed in the hot blast of dry grain, the hot-air channel that hot blast is formed between spiral structure body, with being constantly passed through for hot blast, hot blast
Hot blast in passage enters each spiral structure body by the air inlet set in spiral structure body, then spiral structure body with
And heating, drying is carried out to the grain of its inside in tempering room, hot gas constantly rises constantly cooling during grain is dried,
The moisture for finally carrying grain is excluded from blast pipe.
Tempering room is connected with diversion chamber by many spiral structure bodies, grain can be increased in drying course from entrance
The time that drying machine body is heated into discharge dryer whole process, grain is set to be heated in heating process evenly, it is ensured that
The effect of grain heat-drying.While simple in construction, the low manufacture cost of spiral structure body.The foodstuff drying device that the present invention is provided ensures
While drying effect, foodstuff drying device complex degree of structure is reduced, the manufacturing cost of dryer is reduced.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, for those of ordinary skills, do not paying creative work
Property on the premise of, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the basic structure schematic diagram of foodstuff drying device provided in an embodiment of the present invention,
Fig. 2 is the structural scheme of mechanism of the guiding device of foodstuff drying device provided in an embodiment of the present invention.
Wherein:
1- drying machine bodies, 2- hot-blast stoves, 3- air inlet pipe, 4- diversion chamber, 5- grain dischzrging tubes, 501- valves, 6- delivers grain device,
7- guiding devices, 701- spiral structure bodies, 8- temperings room, 9- crop inlet pipes, 10- blast pipes, 11- air exhausters, 12- steam vents, 13-
Air admission hole, 14- hot-air channels.
Embodiment
Foodstuff drying device provided in an embodiment of the present invention, it is ensured that while drying effect, reduction foodstuff drying device structure is answered
Miscellaneous degree, reduces the manufacturing cost of dryer.
In order that those skilled in the art more fully understand the technical scheme in the embodiment of the present invention, and make of the invention real
Applying the above-mentioned purpose of example, feature and advantage can be more obvious understandable, below in conjunction with the accompanying drawings to the technology in the embodiment of the present invention
Scheme is described in further detail.
Refer to the attached drawing 1, the basic system of the foodstuff drying device provided the figure shows the present invention, foodstuff drying device includes drying
Dry machine body 1, the hot-blast stove 2 of drying grain hot blast is provided for foodstuff drying device, is that foodstuff drying device dress needs grain to be dried
Device 6 of delivering grain, arrow is that device 6 of delivering grain is delivered grain the direction of operation in Fig. 1, and hot-blast stove 2 and device 6 of delivering grain respectively are arranged on drying
The side of machine body 1, it is for convenience of the use of hot-blast stove 2 and device 6 of delivering grain, hot-blast stove 2 and being spaced apart for device 6 of delivering grain is certain
Distance, be preferably separately positioned on the relative both sides of drying machine body 1.
The part of upper, middle and lower three of drying machine body 1 sets gradually tempering room 8, guiding device 7 and diversion chamber 4, dress of being delivered grain
When 6 grains sent into through crop inlet pipe 9 are put into drying machine body 1, tempering room 8 is introduced into, water conservancy diversion dress is then sequentially entered
Put 7 and diversion chamber 4.Tempering room 8 is to prestore the grain being admitted to, and grain is sent into diversion chamber 4, drying knot by guiding device 7
Beam or when be allowed to discharge drying machine body 1, grain dischzrging tube 5 through connect with diversion chamber 4 discharges drying machine body 1.Water conservancy diversion
Device 7 includes many spiral structure bodies 701, and spiral structure body 701 is the structure of inner hollow, and grain enters spiral shell from tempering room 8
In the hollow structure for revolving structure 701, diversion chamber 4 is then flowed into.Hot-air channel 14 is formed between adjoining spiral structure 701,
The middle and lower part of each spiral structure body 701 sets air admission hole 13.The location of guiding device 7 of drying machine body 1 is removed
Guiding device 7 is a sealed structure, and when the hot blast that hot-blast stove 2 is produced is admitted in hot-air channel 14 through air inlet pipe 3, pressure is not
Hot blast in disconnected increase, hot-air channel 14 can enter spiral structure body by the air admission hole 13 set in spiral structure body 701
701, then enter tempering room 8 through spiral structure body 701, the discharge drying machine body 1 of blast pipe 10 through being connected with tempering room 8.
When drying machine body 1 is delivered grain after device 6 sends into grain through crop inlet pipe 9, grain is introduced into tempering room 8, by slow
Soviet Union room 8 enters in the spiral structure body 701 of guiding device 7, moves towards flowing along spiral structure body 701, finally flows into water conservancy diversion
Room 4.Grain with entering the hot blast inside it with fully contacting when spiral structure body 701 are flowed into, and it is many that hot blast absorbs grain
Remaining moisture, heating, drying is carried out by grain.Grain dischzrging tube 5 is connected with entering grain device 6, is required in grain by dry and satisfaction
Afterwards, grain is shifted by device 6 of delivering grain, if drying effect is undesirable to be admitted to baking by entering grain device 6 again
Dry machine body 1, is carrying out a wheel drying, is being required so that meeting.
Tempering room 8 is connected with diversion chamber 4 by many spiral structure bodies 701, grain can be increased in drying course
From the time that drying machine body 1 is heated into discharge dryer whole process is entered, grain is set to be heated in heating process more equal
It is even, it is ensured that the effect of grain heat-drying.While simple in construction, the low manufacture cost of spiral structure body 701.The grain that the present invention is provided
While dryer ensures drying effect, foodstuff drying device complex degree of structure is reduced, the manufacturing cost of dryer is reduced.
To ensure support strength of the spiral structure body 701 during grain heat-drying, spiral structure body 701 uses stainless steel
It is made, while the outward flange of spiral structure body 701 is fixedly connected with the inwall of drying machine body 1, such as by spiral structure body 701
Outward flange and the inwall of drying machine body 1 are welded and fixed, and drying machine body 1 is that spiral structure body 701 provides support force.Spiral shell
Rotation structure 701 is the container coiled of similar straight tube, and section is shaped as square or circle, in order to realize water conservancy diversion
Device 7 can make full use of the space of drying machine body 1, and spiral structure body 701 selects square-section.Many spiral structure bodies 701
It is evenly distributed in drying machine body 1, adjacent spiral structure body 701 is uniformly arranged in the drying machine body 1.Spiral shell
The number of rotation structure 701 elects 4 as, referring to Fig. 2, shows that the structure of guiding device 7 provided in an embodiment of the present invention is shown in Fig. 2
It is intended to, the upper end of spiral structure body 701 is connected with tempering room 8, to ensure that grain smoothly flows into spiral structure body from tempering room 8
701, spiral structure body 701 is provided with certain gradient with the junction of tempering room 8.Between existing between each spiral structure body 701
Gap, to ensure that the utilization rate of guiding device 7 is tried one's best maximum, the gap between spiral structure body 701 should try one's best minimum, but in order to protect
The normal work of air admission hole 13 set in card spiral structure body 701, adjacent spiral structure body 701 can not press close to.
The pivot of spiral structure body 701 can be reserved with passage, and the hot blast of hot-blast stove 2 sends into passage by air inlet pipe 3,
Then flowed into by passage in hot-air channel 14, the form of passage is referring to dotted portion in accompanying drawing 1.
When being full of grain in spiral structure body 701, the flowing of grain relies on the gravity of itself along spiral structure body 701
The component of the hand of spiral overcomes frictional force, to ensure the smoothness of Flowing of Grain, and the pitch of spiral structure body 701 is set into drying
0.7-0.9 times of the internal diameter of machine body 1, i.e., set the pitch of spiral structure body 701, such spiral shell according to the internal diameter of drying machine body 1
It is 45 ° -60 ° to revolve the spiral slope of structure 701, and grain will not influence it to flow because of internal frictional force.While in order to protect
The flowing of grain is demonstrate,proved, air admission hole 13 is arranged on to the face layer of spiral structure body 701, the i.e. aspect towards tempering room 8.Air admission hole
13 size should be less than being dried the size of grain, is arranged such the size of air admission hole 13 and should be selected according to the size of grain
Select.It is preferred that, can be in the relatively large air admission hole 13 of the substantially some sizes in the middle and lower part of spiral structure body 701, then in air inlet
The surface in hole 13 covers a metafiltration net, and it is relatively smaller that the aperture of filter screen is then designed, and avoids grain can be out of its hole as far as possible
Leakage, it is to avoid because aperture improper and drying effect that influence dryer.
For further optimisation technique scheme, the drying effect and speed of dryer are improved, sets and takes out in blast pipe 10
Blower fan 11, the flowing for enabling the internal hot blast of acceleration of air exhauster 11, so as to improve drying effect and speed.Prevent air exhauster 11
Use the grain in dryer is extracted through blast pipe 10, the blast pipe 10 in tempering room 8 afterbody set row
Stomata 12, the size of steam vent 12 should be less than the size of grain, it is contemplated that can dry the species of grain, by the size of steam vent 12
It is set to less than 2mm.
Valve 501 is set in the grain dischzrging tube 5, valve 501 set can taking human as control grain dischzrging tube 5 use, needing
Carry out opening valve 501 when discharge grain, it is not necessary to close valve 501 when discharging grain, facilitate grain to dry
The use of dry machine.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment
Divide mutually referring to what each embodiment was stressed is the difference with other embodiments.
The embodiments of the present invention described above are not intended to limit the scope of the present invention.It is any in the present invention
Spirit and principle within the modifications, equivalent substitutions and improvements made etc., should be included in the scope of the protection.