A kind of drum-type material loosening and temperature-increasing moisturizing device
Technical field
The present invention relates to a kind ofly can carry out loose processing or carry out warming and humidifying and handle or carry out drum-type treating apparatus technical field of structures loose and that warming and humidifying is handled simultaneously to material.Especially tobacco loose and heat temperature-increasing moisturizing device.
Background technology
Loose and the temperature-increasing moisturizing device of traditional drum-type is harrow nail and the copy plate that utilizes the cylinder of lateral inclination setting and be arranged at inner wall of rotary drum, make the material that enters cylindrical shell in the process that moves ahead, constantly be pulled, take up and fall, reach the purpose of bulk material with this by rake.When needs carry out the warming and humidifying processing to material, utilization is arranged on cylinder feed end or discharge end or is arranged on the humidification nozzle at two ends simultaneously and steam jet sprays moisture and vapours to material, simultaneously, between feed end and discharge end, connect hot air circulating system constitutes damp and hot wind circulation in cylinder working environment.During work, material moves to discharge end from feed end, and damp and hot circulated air and Flow of Goods and Materials direction forward or the reverse cylinder that passes are carried out damp and hot exchange with material, carries out warming and humidifying and handles.This device has the following disadvantages at least: the one, and material loose only depends on the harrow nail rake that is arranged at inner wall of rotary drum to pull to take up with copy plate and realize whereabouts naturally of material, the dynamics of tearing to material is not enough, harrow nail and copy plate are limited to the sphere of action of material, be difficult to thorough loose the opening of the caking materials of bulk, loose effect is undesirable; The 2nd, owing to the restriction of factors such as the tube length that is subjected to equipment itself, barrel dliameter, technology flow, and, make the material intensification slowly because the wet exchange of the heat intensity of tube interior hot wet circulated air and storeroom is low, the moisture diffusion transfer is slow, and the warming and humidifying effect is undesirable; The 3rd, the humidification nozzle that only the is arranged on the cylinder termination directly atomized water of ejection can only material surface, cover part and the material that causes having adds dilutional hyponatremia, add that the material temperature inside is not high, its surperficial atomized water diffusion transfer in time, it is inhomogeneous that material absorbs moisture, is difficult to satisfy the requirement that becomes more meticulous of following process.
Summary of the invention
Purpose of the present invention provides a kind of bulk material fully for the deficiency that solves above-mentioned prior art existence just, perhaps can be equably to material spray water and heat steam, fully and equably material is carried out the warming and humidifying processing, perhaps fully bulk material can carry out the warming and humidifying processing to material again well, thereby obtain desirable loose effect or warming and humidifying effect, require and drum-type material loosening and temperature-increasing moisturizing device simple in structure to satisfy following process.
The objective of the invention is to be achieved through the following technical solutions.
A kind of drum-type material loosening and temperature-increasing moisturizing device are to be provided with the rotating shaft of harrow nail in addition in cylinder vertically.
The present invention's rotating shaft and cylinder of harrow nail in addition rotates in the same way, and the rotational line speed of rotating shaft is greater than the rotational line speed of cylinder.Harrow nail in the described rotating shaft is the harrow nail of band hole for water spraying.Harrow nail in the described rotating shaft is the harrow nail of band fumarole.Harrow nail in the described rotating shaft is the harrow nail of band hole for water spraying and the harrow nail of band fumarole.Described rotating shaft is a sleeve structure, feeds water or vapours in the interior pipe of sleeve pipe, feeds vapours or water in the outer tube; The harrow nail of band hole for water spraying is communicated with the interior pipe or the outer tube that feed water, and the harrow nail of band fumarole is communicated with the outer tube or the interior pipe that feed vapours.The harrow nail of the harrow nail of band hole for water spraying and band fumarole is staggered to be distributed in the rotating shaft.Harrow nail in the leading portion setting of rotating shaft is loose harrow nail, and the harrow nail that back segment is provided with is the harrow nail of band hole for water spraying, or the harrow nail of the harrow nail of the harrow nail of band fumarole or band hole for water spraying and band fumarole.Rotating shaft is provided with helical blade.Feed space at drum front end is provided with airtight doffer.
The rotating shaft of the tyre harrow nail that the present invention is provided with in cylinder when rotated, harrow nail can loose the material rake on the one hand, with loose harrow nail that is arranged at inner wall of rotary drum and copy plate mating reaction, material is torn on the other hand.The loose harrow nail of the harrow nail in the rotating shaft, inner wall of rotary drum and copy plate teamwork can be carried out the material in the whole cylinder loose completely, and loose effect is fine.The design rotating shaft and the cylinder of harrow nail is in addition rotated in the same way, the rotational line speed of rotating shaft is greater than the rotational line speed of cylinder, both helped material is constantly taken up, can make again between the loose harrow nail of harrow nail in the rotating shaft and inner wall of rotary drum and the copy plate and produce a speed difference, material is torn, improve the material loosening effect.Harrow nail in the rotating shaft is provided with the harrow nail of loose harrow nail, band hole for water spraying and the harrow nail of band fumarole by the demand collocation, and in the harrow nail of band hole for water spraying, feed water, in the harrow nail of band fumarole, feed vapours, just can fully spray water smoke and vapours to material in the bulk material, equably material carried out warming and humidifying and handle.With the harrow nail of band hole for water spraying and staggered even laying of harrow nail of being with fumarole, can realize while heating humidification, obtain desirable warming and humidifying effect.The helical blade that is provided with in rotating shaft can evenly be carried the interior material of cylinder continuously and move ahead, and avoids solid accumulation, influences loose and warming and humidifying effect.Rotating shaft is designed to feed the sleeve structure of water and steam, and in rotating shaft, be provided with helical blade, the band hole for water spraying harrow nail and the band fumarole harrow nail, make feeding, heat, humidification mechanism is combined as a whole dexterously, simplifies the structure, and saved installing space.Airtight doffer in the feed space setting of drum front end both can constantly be sent into material in the cylinder in equilibrium, can prevent effectively that again the steam in the cylinder is excessive.
The present invention can be used for bulk material merely, also can be used for material merely heats, perhaps be used for the material humidification merely, perhaps loose limit, material limit is heated, perhaps to loose limit, material limit humidification,, also can order material be carried out that elder generation is loose, the loose limit of commentaries on classics warming and humidifying is thrown on the limit then perhaps to loose limit, material limit warming and humidifying, make moisture fully infiltration and diffusion in material, obtain satisfied warming and humidifying effect.
The present invention has abandoned humidification nozzle and the steam jet device that conventional rollers formula temperature-increasing moisturizing device is arranged at cylinder feed end and discharge end, also no longer needs the hot air circulation ducting system is set, and structure is simplified greatly.
Further set forth content of the present invention below in conjunction with Figure of description.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the B-B sectional view of Fig. 1.
The specific embodiment
As shown in the figure, the present invention includes the cylinder 1 that is horizontally installed on the frame 9, the loose harrow nail 2 that is arranged at inner wall of rotary drum and copy plate 3, in cylinder, be provided with the rotating shaft 5 of harrow nail 4 in addition vertically, rotating shaft 5 is set rotates in the same way with cylinder 1, the rotational line speed of rotating shaft 5 is greater than the rotational line speed of cylinder 1.Harrow nail 4 in the rotating shaft 5 can be the harrow nail that only plays loose effect, also can be the harrow nail 4a that has hole for water spraying, can spray water smoke to material, also can be have fumarole, can be to the jet harrow nail 4b of vapours of material.According to actual needs, loose harrow nail can be set on the leading portion of rotating shaft 5, back segment is provided with the harrow nail 4a of band hole for water spraying or the harrow nail 4b of band fumarole maybe will be laid staggeredly with the harrow nail 4a of hole for water spraying and the harrow nail 4b of band fumarole, and present embodiment is that the harrow nail 4b of two astragal fumaroles and the harrow nail 4a of an astragal hole for water spraying are laid staggeredly.Rotating shaft 5 is made into the sleeve structure of concentric co-axial, in the interior pipe 5a of sleeve pipe, feeds water, feed vapours in the outer tube 5b; The harrow nail 4a of band hole for water spraying is communicated with the interior pipe 5a that feeds water, and the harrow nail 4b of band fumarole is communicated with the outer tube 5b that feeds vapours.Helical blade 6 is set in rotating shaft 5.Feed space at cylinder 1 front end is provided with airtight doffer 7, and these airtight doffer 7 structures are the rotating cross door 7b that is arranged in the fixed bulging 7a.Discharge chamber in the cylinder rear end is provided with moisture discharge device 8.
The course of work is as follows: material (as offal) is delivered into the airtight doffer 6 of this device feed end by upstream equipment, cross door 7b in the airtight doffer constantly rotates, material successively falls in the cylinder 1, constantly charging aperture is sealed again simultaneously, prevents that steam is excessive in the cylinder.After material enters cylinder, under the effect of helical blade 6, push ahead fast, process, torn loose by loose harrow nail 2 interactions of the harrow nail 4 of rotating shaft leading portion and inner wall of rotary drum earlier from the feed end screw to discharge end, enter the warming and humidifying section of rotating shaft back segment again, constantly thrown and fall, and constantly torn, constantly fumigated simultaneously by steam by harrow nail by copy plate, wetting by water smoke, finish loose, heat, humidification removes the reason process.Excess steam is discharged by the moisture discharge device 8 that is arranged on discharge chamber.