CN201177446Y - Combination type cereal drying machine - Google Patents

Abstract

A composite type grain drier comprises a lower body, a lower drying part, a lower storing part, an upper drying part, an upper storing part, an upper packing auger, a grain feeding hoisting machine, a dust exhauster, a right air passage, a charging hopper, a lower packing auger, a grain cleaning valve, a grain discharging hoisting machine, a left air passage and a grain discharging pipe, and the like. The grain drier is characterized in that a drier main body and the air passages adopt building block type composite structures; the drier has a plurality of drying sections and each drying section consists of a storing part and a drying part; the drier introduces hot medium at an appropriate temperature from a left rear end through an air inlet duct, and discharge dried damp air from a right rear end through a centrifugal fan and an air exhausting duct; the left air passage and the right air passage are arranged between the drying sections of the drier, and respectively consists of an upper air chamber, an upper cover plate, a lower air chamber, a lower cover plate and a vertical air pipe; and the vertical air pipes are connected with the upper air chamber and the lower air chamber through a three-sided flange, and are connected through a four-sided flange. Application shows that the drier, due to adopting the composite structure, is convenient for manufacturing, transportation, assembly and disassembly; moreover, dried grain contains uniform moisture and has high quality.

Description

Combined grain drying machine

One, affiliated technical field

The utility model relates to a kind of grain drying, particularly a kind of combined grain drying device.

Two, background technology

Drying is one of most important processing link in the cereal production process.So-called dry process of sloughing moisture in the mode of heat supply from material exactly is the heat and mass transfer process of a complexity.Drying operation must be selected suitable drying condition and equipment in order to guarantee the fine quality of cereal, reduces dry harmful effect to grain quality as far as possible.Current drying equipment is divided into two kinds, and a kind of is tower type drying apparatus, and another kind is a combined drying equipment.

Tower type drying apparatus:

Because the structure of rower drier is limit, process, be assembled into the master with the scene, the workshop is processed as auxilliary, is fit to small lot batch manufacture, and on-the-spot installation period is long, and labor strength was big to some months in general 1 month.Can adopt many dryer section.Be generally and work continuously, be fit to the cereal drying operation of processing within the next few days more than 100 tons in enormous quantities.Shortcoming: manufacturing process falls behind, site operation team installs, automatic control level is low, outward appearance is coarse, cereal grain drying poor quality, can not improve the food flavor quality of cereal especially.

Chinese patent (patent No. is ZL93228397.7) provides a kind of " many circulations of combined type grain drier ", the bringing-up section, the cross flow tempering section that comprise the grain storage section, preheating section, cooling section, grain discharging section and the circulation setting therebetween that are assembled between tower body, wherein be provided with spirality pilot flow plate between the inside and outside sieve tray of preheating section or bringing-up section net post body, be provided with the cross-flow device between the backplate of outer cylindrical body in the cross flow tempering section, be provided with hot-blast pipe line, cold wind pipeline in the hot delay section, be provided with adjustable grain discharging equipment in the grain discharging section bottom.

Chinese patent (patent No. is ZL98248825.4) provides " a kind of concurrent-countercurrent grain drier ", be characterized in respectively having one to pack into the hot blast air channel in the both sides of tower multistage drying baker at this machine, hot-wind inlet is crisscross arranged in the both sides of each drying box from top to bottom, the staggered heating.

Chinese patent (application number is 85203488) provides " a kind of tower grain drier that does not have the venting box device ", can be used for grain drying, and its drying medium is the air of indirect.This machine adopts the reflux type drying.Its each intersegmentally be furnished with the joint of ventilation, form by some funnels with holes or not with holes in the joint, certain interval is arranged between funnel; No venting box device in each section; Grain is that curve falls in dry run; Cold and hot medium is through the funnel in the joint that ventilates grain to be carried out drying and cooling.

Combined drying equipment:

With Wuxi gold agricultural machinery Co., Ltd and Sanjiu Machinery Co., Ltd., Shanghai is the drying machine of representative, adopts the building blocks combining structure, based on the workshop digital control processing, and assembled in situ, on-the-spot installation period is short, about about 1 week.The single dryer section of many at present employings, circulating operation, suitable small lot is promptly produced the cereal drying operation about 50 tons daily.After parallel connection, can carry out large batch of cereal drying operation.Shortcoming: need " taking grain out of a granary to sun it " in the dry run; " take grain out of a granary to sun it " and not only reduced operating efficiency, and cereal is to the drying machine operation part destruction that impacts easily.

Chinese patent (application number is 97117003.7) provides a kind of " method for drying cereal and grain drying device ", and it is to flow the place thereon the cereal accumulator tank is set, and the stream place is provided with aeration-drying portion and at its dirty place cereal is set and transports the chamber therein.The cereal that is stored in the cereal storagetank circulates through transporting chamber to cereal storagetank by aeration-drying portion, cereal on one side, by aeration-drying portion wander in the process that to cereal transport chamber to cereal be blown into hot blast to carry out aeration-drying on one side.

Chinese patent (patent No. is ZL200620028690.2) provides a kind of " grain drier ", its fixedly connected elephant trunk in main body top, the fixedly connected blast pipe of this body interior, this blast pipe and warm-air pipe are fixed, and this every layer warm-air pipe levels is exhaust duct, in the middle and lower part of main body lower grain bucket is set, row's grain screen and main body middle and lower part are slidingly connected, cyclic conveyor is fixedlyed connected with lower body part, the fixedly connected mobile wheel of bottom part body, and air-heater is connected with an end blast pipe.

Chinese patent (application number is 200420023102) provides a kind of " the air channel filter net device of drying machine ", includes the hollow hothouse that a roof, a diapire and perisporium are formed, and wherein is provided with several hot-flow flues, exhausting duct and material road.The wall of described hot-flow flue, exhausting duct is provided with the sequence hole, and the number filter screen is located at the wall place and is covered perforation, and the mesh aperture of filter screen is less than the particle Zhou Jing of material to be dried, and the perforation aperture then is the several times of material particles Zhou Jing.Whereby, avoid material to be jammed in the perforation place, to promote drying effect.

Chinese patent (application number is 200410072957.3) provides a kind of " first-step installation structure of duct shield for drier ", and its structure comprises: duct shield; Bonnet; At least one preliminary assembling parts; Has the duct shield installed surface that is used to install duct shield on the bonnet; Preliminary assembling parts is formed on duct shield installed surface outward flange one side.Assembling grove on duct shield assembly hole and the duct shield installed surface is alignd fast, and the operator can shorten the time of assembling duct shield at an easy rate in the assembling grove on assembling parts insertion duct shield assembly hole and the duct shield installed surface, increases work efficiency.

To sum up, because the structure of rower drier is limit, on-the-spot installation period is long, and manufacturing process backwardness, the installation of site operation team, automatic control level is low, outward appearance is coarse, cereal grain drying poor quality, can not improve the food flavor quality of cereal especially; Need " taking grain out of a granary to sun it " in the existing combination type drying machines dry run, not only reduced operating efficiency, and cereal is to the drying machine operation part destruction that impacts easily.。At the problems referred to above, the utility model provides a kind of crop dryer that adopts the combined type air channel.

Three, utility model content

The purpose of this utility model: the shortcoming that overcomes above-mentioned two kinds of types, advantage in conjunction with two kinds of types, the drying machine main body adopts combined type and modular construction, be provided with left and right air channel between the drying machine dryer section, combining structure is also adopted in the air channel, can finish processing in the workshop, assembles at the scene, improve the convenience of processing, installation, shortened set-up time; And one machine a plurality of dryer section are set, can improve operating efficiency; Can realize continuous and cycle operation, be fit to the requirements of different processing job patches.

The technical solution of the utility model is:

A kind of combined grain drying machine, drying machine by following body, down drying section, down storage part, go up drying section, go up storage part, go up screw feeder, advance the grain elevator, dust cleaning machine, right air channel, charging hopper, screw feeder, clear grain valve, the elevator of putting out cereal, left air channel, grain discharging tube etc. are formed down.During work, elevator rises to dry upper top with cereal to be dried, enter storage part by last screw feeder, the cereal that enters storage part flows through drying section, following storage part, following drying section, following body successively by deadweight, screw feeder promotes certain height with dried cereal under final the passing through, and by grain discharging tube cereal is sent into next drying machine or is delivered to the elevator bottom of putting out cereal.

Described drying section can carry out the heat and the mass exchange of cereal and drying medium, adopts the thin layer drying structure, and its effect is to guarantee that each grain grain fully contacts with thermal medium when cereal flows, and the uniform distribution hot blast is taken away the moisture of damp grain.

Described storage part is used for storing up temporarily the tempering of cereal and dry run.

Described body down, it is the drying machine body, form by a plurality of grain discharging wheels, hot-wind inlet and waste gas outlet, here the rotating speed of grain discharging wheel is fixed, regulate the average speed of row's grain by the row's of adjustment grain motor make-and-break time ratio, thereby the flow of control drying machine cereal is finished conveying, the distribution of cereal and hot and cold wind simultaneously.

Described air channel, be provided with left air channel and right air channel between the dryer section of drying machine, air channel, a left side and right air channel are formed by ipper air chamber, upper cover plate, lower air chamber, lower cover and perpendicular airduct epimere, perpendicular airduct hypomere, perpendicular airduct epimere is connected by three limit flanges with ipper air chamber and perpendicular airduct hypomere and lower air chamber, is to connect by four limit flanges between perpendicular airduct epimere and the perpendicular airduct hypomere.Push in from the side after connecting by three limit flanges between ipper air chamber, lower air chamber and the perpendicular airduct, ipper air chamber (23) and lower air chamber are sealed,, also can not influence the precision of installation even perpendicular airduct is long a little when installing like this with upper cover plate and lower cover.This combination in air channel is assembled, and greatly facilitates manufacturing, installation, dismounting, replacing and the maintenance in air channel, also can effectively eliminate the influence of crosswind road size error to assembling, has improved the combined level of drying machine on the whole.The hot-wind inlet of two drying sections about ining succession in air channel, a left side, the hot-blast outlet of two drying sections about ining succession in right air channel, the exhaust blower that is contained in down the body right lateral side produces negative pressure, hot blast upwards passes the paddy floor through left air channel by the hot blast chamber in following body left side, air-flow through the paddy layer becomes humid air, cold air chamber by body right side under the downward warp in right air channel discharges drying machine by exhaust blower, and the moisture of cereal is taken away.

Described charging hopper before drying machine is beginning drying operation, provides cereal to be dried for the drying machine elevator by it.

The described elevator of putting out cereal will promote certain height from the grain of screw feeder discharge down, so that send into next drying machine or send into the solid food storage equipment.

Describedly advance the grain elevator, with cereal be transported to from bottom to top drying machine upper top, enter screw feeder.

Described dust cleaning machine is removed dust, grass bits, assorted surplus in the cereal in the dry run.

Described clear grain valve when drying operation finishes, is removed the remaining cereal in the drying machine; And the mouth of putting out cereal in dry run can be opened grain valve cleaning clearly if find to have foreign matter to stop up.

The described screw feeder of going up, the cereal that elevator is sent here evenly is sprinkled into storing section.

Described screw feeder down, the cereal that drying is good is delivered to the elevator bottom.

Described control cabinet is controlled the dry course of work.Realization is to fuel gas temperature, the drying medium temperature, and grain temperature, EGT, raw grain moisture, the instrument of solid food moisture detects and overload alarm.Can realize manual adjustment to drying medium temperature, cereal rate of drying.

The beneficial effects of the utility model:

1, the utility model guarantees that each grain fully contacts with thermal medium because drying section has adopted the thin layer drying structure when cereal flows, and the uniform distribution hot blast has avoided conventional dryer cereal to be prone to " overdrying " and dry not enough phenomenon.

2, be different from similar type (Wuxi gold agricultural machinery Co., Ltd and Sanjiu Machinery Co., Ltd., Shanghai are the product of representative), a drying machine adopts a plurality of dryer section, has improved drying efficiency.

3, the utility model compares with similar type, has adopted the combined type air channel structure, and parts are finished processing in the workshop, assembles as piling up wood at the scene, and is simple in structure, easy for installation, is easy to also realize that factory produces in batches.

4, go up between lower air chamber and the perpendicular airduct and to push in from the side after fixing by three limit flanges, seal with cover plate at last,, also can not influence installation even perpendicular airduct is long a little when installing like this.The combination in air channel is assembled, and greatly facilitates manufacturing, installation, dismounting, replacing and the maintenance in air channel, also can effectively eliminate the influence of crosswind road size error to assembling, has improved the combined level of drying machine on the whole.

Four, description of drawings

The embodiment that provides below in conjunction with accompanying drawing further describes the utility model structure.

Fig. 1 is the front view of the utility model combined grain drying machine;

Fig. 2 is the left view of the utility model combined grain drying machine;

Fig. 3 is the cutaway view of the utility model combined grain drying machine;

Fig. 4 is the structural representation in air channel;

Fig. 5 is the structural representation of the ipper air chamber in Fig. 4 air channel;

Fig. 6 is the structural representation of the perpendicular airduct in Fig. 4 air channel;

Fig. 7 is the structural representation of the lower air chamber in Fig. 4 air channel;

Fig. 8 is the structural representation that connects of going up in Fig. 4 air channel;

Fig. 9 is the structural representation of the following connection in Fig. 4 air channel;

1. descend body; 2. descend drying section; 3. descend storage part; 4. go up drying section; 5. go up storage part; 6. go up screw feeder; 7. advance the grain elevator; 8. dust cleaning machine; 9. right air channel; 10. charging hopper; 11. following screw feeder; 12. clear grain valve; The elevator 13. put out cereal; 14. left air channel; 15. grain discharging tube; 16. air inlet duct; 17. centrifugal blower; 18. exhausting duct; 19. lower cover; 20. lower air chamber; 21. perpendicular air channel hypomere; 22. perpendicular air channel epimere; 23. ipper air chamber; 24. upper cover plate; 25. screw; 26. nut.

Five, the specific embodiment

Embodiment 1

As Fig. 1 and Fig. 2, combined grain drying machine by following body (1), down drying section (2), down storage part (3), go up drying section (4), go up storage part (5), go up screw feeder (6), advance grain elevator (7), dust cleaning machine (8), right air channel (9), charging hopper (10), screw feeder (11), clear grain valve (12), the elevator of putting out cereal (13), left air channel (14), grain discharging tube (15) etc. are formed down.The top of drying section is storage part, and drying section and storage part are crisscross arranged the tempering that storage part is used for storing up cereal temporarily and carries out dry run; Drying section adopts the thin layer drying structure, and its effect is to guarantee that each grain grain fully contacts with thermal medium when grain flows, and the uniform distribution hot blast is taken away the moisture of damp grain; Following body (1) is the drying machine main body, form by a plurality of grain discharging wheels, hot-wind inlet and waste gas outlet, the rotating speed of grain discharging wheel is fixed, regulate the average speed of row's grain by the row's of adjustment grain motor make-and-break time ratio, thereby control the speed of material bed whereabouts, finish conveying, the distribution of cereal and hot and cold wind simultaneously.During drying machine work, cereal in charging hopper (10) through advancing the upper top that grain elevator (7) is transported to cereal drying machine from bottom to top, last screw feeder (6) evenly is sprinkled into storage part (5) with the cereal of sending here, cereal is moved down into drying section (4) by gravity, and its speed is arranged the duty of grain motor and recently controlled.Pass through air inlet duct (16) from left back the hot blast of introducing proper temperature at drying section, discharge from right back with dried humid air by centrifugal blower (17) and exhausting duct (18), cereal is carried out drying, enter down storage part (3) after the drying and carry out the tempering of dry run, cereal after the tempering enters down drying section (2) and continues dry, thereby form the dry run of drying-tempering-drying-tempering, can make dry back grain moisture even like this, and reduce the crackle rate.Following screw feeder (11) promotes certain height with dried cereal, cereal is sent into next drying machine or deliver to the elevator of putting out cereal (13) bottom by grain discharging tube (15).

Fig. 3 is the cutaway view of crop dryer, the dry gas stream of heat is upwards passed the paddy floor through left air channel by the hot blast chamber in following body (1) left side, air-flow through the paddy layer becomes humid air, cold air chamber by body right side under the downward warp in right air channel discharges drying machine by exhaust blower, so constantly the moisture of cereal is taken away in circulation.

Be provided with left air channel (14) and right air channel (9) between the dryer section of drying machine, as Fig. 4, with reference to Fig. 5, Fig. 6 and Fig. 7, air channel (14), a left side and right air channel (9) are formed by ipper air chamber (23), upper cover plate (24), lower air chamber (20), lower cover (19) and perpendicular airduct epimere (22), perpendicular airduct hypomere (23), perpendicular airduct epimere (22) is connected by three limit flanges with ipper air chamber (23) and perpendicular airduct hypomere (23) and lower air chamber (20), is to connect by four limit flanges between perpendicular airduct epimere (22) and the perpendicular airduct hypomere (23).Push in from the side after connecting by three limit flanges between ipper air chamber (23), lower air chamber (20) and the perpendicular airduct, with upper cover plate (24) and lower cover (19) ipper air chamber (23) and lower air chamber (20) are sealed, even perpendicular airduct is long a little when installing like this, also can not influence the precision of installation.The combination in air channel is assembled, and greatly facilitates manufacturing, installation, dismounting, replacing and the maintenance in air channel, also can effectively eliminate the influence of crosswind road size error to assembling.

As Fig. 8 and Fig. 9, perpendicular airduct epimere (22) is to be connected by screw rod (25) with three limit flanges of ipper air chamber (23) and perpendicular airduct hypomere (23) and lower air chamber (20), and the screw rod projection welding makes things convenient for clamp nut (26) in the inboard of air compartment.

Present embodiment is realized the continuous drying operation, and actuat daily capacity is improved in the series connection back.

Embodiment 2

Present embodiment is the variation on embodiment 1 basis, something in common no longer repeats, difference is to cancel the elevator (13) of putting out cereal, its pan feeding interface changed be connected the into position, lower-left of grain elevator (7), connect grain stream to switching device shifter and grain discharging tube (15) in the outlet of advancing grain elevator (7), make cereal can select to flow to screw feeder (6) and directly flow out from the bottom.

Present embodiment is realized the cyclic drying operation, and actuat daily capacity is improved in back in parallel.

Claims (2)

1, the utility model relates to a kind of combined grain drying machine, by following body (1), down drying section (2), down storage part (3), go up drying section (4), go up storage part (5), dust cleaning machine (6), go up screw feeder (7), advance grain elevator (8), right air channel (9), charging hopper (10), screw feeder (11), the elevator of putting out cereal (12), left air channel (13), grain discharging tube (14) are formed down, it is characterized in that being provided with between the drying machine dryer section left and right air channel, combining structure is adopted in the air channel.

2, combined grain drying machine according to claim 1, it is characterized in that left air channel (13) between the drying machine dryer section and right air channel (9) are made up of ipper air chamber (23), upper cover plate (24), lower air chamber (20) lower cover (19) and perpendicular airduct epimere (22), perpendicular airduct hypomere (21), perpendicular airduct epimere (22) is by three limit flanges with ipper air chamber (23) and perpendicular airduct hypomere (21) with being connected of lower air chamber (20), and perpendicular airduct epimere (22) is to be connected by four limit flanges with perpendicular airduct hypomere (21).

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