CN202119216U

CN202119216U - Drying device

Info

Publication number: CN202119216U
Application number: CN2011202160524U
Authority: CN
Inventors: 李功民; 李美菊
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-06-24
Filing date: 2011-06-24
Publication date: 2012-01-18
Anticipated expiration: 2021-06-24

Abstract

A drying device belongs to the technical field of overturning drying. The drying device comprises a drying main body, a machine frame, a feeding port, a discharging port, an air outlet and at least one air inlets. The drying main body is arranged on the machine frame, each air inlet is communicated with a pipeline for providing the drying main body with hot air, the feeding port is arranged on the upper portion of the drying main body on the same side as the air inlets or arranged at other positions according to a on-the-spot technological requirement, the discharging port is arranged on the lower portion of the drying main body on the other side of the feeding port, and the air outlet is arranged on the upper portion of the drying main body on the other side of the air inlets. Hot air through holes for drying is prevented from being blocked, sticky wet materials are prevented from coiling on a rotating shaft, the method hot smoke inside the rotating shaft and impellers and hot smoke from a hot air chamber are mixed for drying is adopted so as to improve utilization efficiency of hot air and safety of the device.

Description

A kind of drying equipment

Technical field

The utility model belongs to the upset technical field of drying; Relate to a kind of drying equipment; Be specifically related to a kind of upset drying equipment that has hollow impellers and screw propulsion function, be applicable to cream pasty state, filter cake shape material or mud pulpous state material or with the dusty material or the big coal dust or the mud of water content of liquid mixing and carry out drying.

Background technology

Usually; For water content or the very large mixture of liquid content; Such as cream pasty state, filter cake shape material or mud pulpous state material or with the dusty material or the big coal dust or the mud of water content of liquid mixing, they contain a large amount of moisture or liquid, it is difficult carrying or depositing them.And the generation of the leachate of water content or the very large mixture of liquid content can cause the pollution of environment.Therefore, must use drying means to reduce water content or liquid content.

In korean utility model registration No. is 120836 document, disclose the physical method of mud, the body that wherein holds mud is provided with a conveying screw rod, so that mix and slurry conveyed, hot blast gets into inner with dry mud by the outside supply of body.Because the heat exchange between mud and the hot blast is low, and dried mud piece further intercepted heat exchange, so drying efficiency sharply reduced, and can not obtain drying fully at short notice.

In Korean Patent Publication No. 2001-27512, disclose another kind of physical method, wherein the inside of hollow stem is full of oil, and by the electric energy heating, thereby come dry mud by the heat that deep fat produces.In addition, be to disclose another kind of physical method among the 20-204595 in korean utility model registration No., wherein with the quill shaft of vapours feed roller, so that heating mud.Because they all use conduction heat and radiant heat to come dry mud, so the energy of importing can not be used for dry mud effectively.Like this, reduced efficiency, the rate of drying that slowed down, large-scale thereby the drier device is necessary for.In addition, because it is dry to use the electric energy heated oils, must the labor electric energy.

On the basis of the above; Drying equipment is improved; A kind of spiral-flow type hot-air drier is provided, and the burning gases (hot blast) of the heat of being lighted by burner through supply get into the inside of quill shaft, make to be heated with quill shaft excircle and the contacted object to be dried of screw blade and dry.A plurality of through hole hot combustion gas discharged through being formed on the quill shaft directly contact with the object that is dried.Because the hot gas of a plurality of through hole dischargings on quill shaft causes the thing that is dried to stop up through hole easily; The glutinous wet stock that is dried in addition also can be wrapped in the helicla flute with screw rod on, cause phenomenons such as the dry bar of obstruction, accumulation and spiral is stuck.And then can't realize the functions/drying be scheduled to.

The utility model content

The utility model provides a kind of drying equipment; With solve exist in the prior art glutinous wet stock be wrapped in the helicla flute with screw rod on; Cause obstruction, pile up problems such as desiccant hot gas through hole and the dry bar of spiral be stuck, the utility model adopts following technical scheme for this reason:

A kind of drying equipment; It comprises dry main body, frame, feeding mouth, discharging opening, air outlet and at least one air inlet; Dry main body is arranged on the frame; Each air inlet with provide the pipeline of hot blast to be connected for dry main body; Feeding mouth be arranged on the top of dry main body and in the same side of air inlet or according to on-the-spot technological requirement design dry main body other positions, discharging opening is arranged on the bottom of dry main body and at the opposite side of feeding mouth, air outlet is arranged on the top of dry main body and at the opposite side of air inlet.

Preferably; In dry main body, also comprise at least two rotating shafts and a plurality of helical blade; Each rotating shaft is installed in parallel in the dry main body; One end of each rotating shaft is connected with air inlet, and rotating shaft and helical blade all adopt hollow design, and the contact portion hollow of each helical blade on each rotating shaft and this rotating shaft is communicated with; Mutual intersection and tangent between the helical blade of adjacent rotating shaft.

Preferably; Also comprise heat-insulation layer and at least one hot blast chamber in the dry main body, heat-insulation layer surrounds at least one hot blast chamber, and each top, hot blast chamber is provided with two rotating shafts and coupled several logical helical blades; U type structure is adopted in each hot blast chamber; A shared U type wall between two hot blast chambers that link to each other, hot flue gas gets into from an end position of the U type wall of hot blast chamber, and the other end of the U type wall of hot blast chamber is set to opening.

Preferably, drying equipment also comprises hot-blast stove, first conveyer belt and broken beater, and hot-blast stove links to each other with air inlet, and an edge of first conveyer belt is arranged on the top of broken beater inlet, and the outlet of broken beater links to each other with feeding mouth.

Preferably, drying equipment also comprises the dust arrester and second conveyer belt, and the inlet of dust arrester links to each other with air outlet, and the outlet of dust arrester and discharging opening are arranged on the top of second conveyer belt or are provided with separately.

More preferably,, on the cross section perpendicular to rotating shaft, helical blade is an anglec of rotation and is installed on the rotating shaft and with interior of rotating shaft and is communicated with.

Further, rotating shaft is the straight steel pipe of hollow or hollow metal property pipeline that can good heat conductive.。

The helical blade of the technical scheme that the utility model embodiment provides through mutual intersection and tangent rotation solved and blocked desiccant hot gas through hole and avoid glutinous wet stock to be wrapped in the problem on the rotating shaft; And adopt the hot flue gas of rotating shaft and helical blade inside and from the mode of the hot flue gas combination drying of hot blast chamber, the security that has improved hot gas service efficiency and equipment.

Description of drawings

Fig. 1 is the structural representation of the drying equipment of the utility model embodiment;

Fig. 2 is the plan structure sketch map of the dry main body 11 of the utility model embodiment;

Fig. 3 is the cross-sectional view of rotating shaft 111 with the helical blade 112 of the utility model embodiment;

Fig. 4 is the cross-sectional view of the dry main body 11 of the utility model embodiment;

Fig. 5 is the technological process of production sketch map of the drying equipment of the utility model embodiment.

The specific embodiment

To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.

The structural representation of the drying equipment that provides at the utility model embodiment; As shown in Figure 1; This drying equipment is applicable to cream pasty state, filter cake shape material or mud pulpous state material or with the big coal dust of the dusty material of liquid mixing or water content or mud etc. and carries out drying; Comprise dry main body 11, frame 12, feeding mouth 13, discharging opening 14, air outlet 15 and at least two air inlets 16, dry main body 11 is arranged on the frame 12, and feeding mouth 13 is arranged on the top of dry main body 11; Discharging opening 14 is arranged on the bottom of dry main body 11, and air outlet 15 is arranged on the top of dry main body 11 and at the opposite side of air inlet 16.

The vertical view of dry main body 11 is as shown in Figure 2; Comprise at least two rotating shafts 111 and a plurality of helical blades 112 in the dry main body 11; Each rotating shaft 111 is installed in parallel in the dry main body 11, and an end of each rotating shaft 111 links to each other with air inlet 16, and concrete rotating shaft 111 is as shown in Figure 3 with the profile of helical blade 112; Rotating shaft 111 adopts hollow design with helical blade 112, and each rotating shaft 111 is communicated with each helical blade 112 contact portion hollow; Intersect each other between the adjacent helical blade 112 and rotation relatively.The other end as each optional rotating shaft 111 can link to each other with air compartment, also can be set to opening.

Preferably; Use dry rotating shaft in pairs; The dry rotating shaft that uses in pairs adopts to be arranged roller mode, the interlaced tangent rotation of the helical blade on the rotating shaft, and the helical blade on one of them rotating shaft can be cleared up the helical blade on another rotating shaft.Dry main body also comprises the hot blast chamber, and hot flue gas also gets into from the air inlet of hot blast chamber, for the glutinous wet stock to be dried below rotating shaft and the helical blade provides heat.The obstruction hot air vents that this has just been avoided existing in the prior art effectively and the phenomenon of stickiness material winding dryer roll.This is that the utility model people is through test of many times and research; Utilized the interlaced tangent rotation of helical blade; The utility model principle that helical blade on one of them rotating shaft can be cleared up the helical blade on another rotating shaft has overcome the problem that exists in the prior art.

Particularly; Rotating shaft 111 can be rotated under the drive of reductor 17 with helical blade 112, and the arrow among Fig. 2 and Fig. 3 is all represented the transmission direction of hot flue gas, and the inside of rotating shaft 111 and helical blade 112 is filled with hot flue gas can make the thermal efficiency higher; Avoided hot flue gas to contact simultaneously with the direct of glutinous wet stock; Improved security, and intersected each other between the adjacent helical blade 112 and rotation relatively, the cohesive material that is wrapped in is wherein cleared up.

The corresponding drying device with the utility model is applied in the dry method of glutinous wet stock and can comprises; Glutinous wet stock to be dried gets in the dry main body 11 through feeding mouth 13; Glutinous wet stock to be dried drives down in the rotation of rotating shaft of dry main body 11 111 and helical blade 112 and exports from discharging opening 14; Hot flue gas gets into from the air inlet that rotating shaft 111 connects, and hot flue gas is that rotating shaft 111 provides heat with helical blade 112.

As shown in Figure 4; Dry main body can also comprise heat-insulation layer 113 and at least one hot blast chamber 114, and heat-insulation layer 113 surrounds at least one hot blast chamber 114, comprises two rotating shafts 111 in each hot blast chamber 114 and wants two helical blades 112 being communicated with it; U type structure is adopted in each hot blast chamber 114; A shared U type wall between two hot blast chambers 114 that link to each other, hot flue gas gets into from an end position of the U type wall of hot blast chamber 114, for the hot blast chamber 114 below rotating shaft and the helical blade provides heat; The other end of the U type wall of hot blast chamber 114 is set to opening, can be that its inner hot flue gas is discharged from air outlet 15.Like this, can make the hot blast chamber be arranged on the different parts of dry main body as required, thereby guarantee the reasonable setting of the baking temperature in dry main body.Hot gas in hot blast chamber and the rotating shaft dry stickiness material that blends has each other improved dry speed and security.

Above-mentioned drying equipment; As shown in Figure 5; Also comprise hot-blast stove 51, first conveyer belt 52, broken beater 53, dust arrester 54 and second conveyer belt 55; Hot-blast stove 51 links to each other with air inlet 16 and for hot blast chamber 114 hot flue gas is provided, and an edge of first conveyer belt 32 is arranged on the top of broken beater 53 inlets, and the outlet of broken beater 53 links to each other with feeding mouth 13; The inlet of dust arrester 54 links to each other with air outlet 15, and the outlet of dust arrester 54 and discharging opening 14 are arranged on the top of second conveyer belt 55, and dust arrester 54 is used for the dirty flue gas that air outlet 15 mixes is filtered.

Particularly, dust arrester 54 can comprise sack cleaner 541 and air-introduced machine 542; Air-introduced machine is used to draw the hot flue gas that discharge the upper end of the U type wall of hot blast chamber 114; An airtight sealing cover is set on drying equipment, and sack cleaner 541 is communicated with this sealing cover dedusting mouth, be used for dust to the generation of glutinous wet stock to be dried filter the back, with the material of discharging opening through the output of second conveyer belt; Clean air is discharged in the outlet of air-introduced machine simultaneously.

The corresponding drying device with the utility model is applied to the dry method of glutinous wet stock and can also comprises; Before glutinous wet stock to be dried gets in the dry main body 11 through feeding mouth 13; Get into broken (breaing up) machine 53 through first conveyer belt 52, get into the dry main body 11 from broken (breaing up) machine 53 output backs.

Hot flue gas after will recycling in the air outlet 15 is discharged, and is mixing the dust of glutinous wet stock to be dried in the above-mentioned hot flue gas, through dust arrester 54 55 outputs of second conveyer belt is passed through in the dust filtration back of glutinous wet stock to be dried and the material of discharging opening 14.

More specifically, on the cross section perpendicular to rotating shaft, helical blade is an anglec of rotation and is installed on the rotating shaft and with interior of rotating shaft and is communicated with, and this result is similar to fan blade and the mounting means of motor in the domestic electric fan.Preferably, rotating shaft is the straight steel pipe of hollow or hollow pipeline that can good heat conductive.

The technical scheme that the utility model embodiment provides can avoid glutinous wet stock to be wrapped on the rotating shaft through mutual intersection and counterrotating helical blade; And the inside of rotating shaft and helical blade is full of hot flue gas and has avoided hot flue gas to contact with the direct of material, has improved hot service efficiency and security simultaneously.

The above; Be merely the preferable specific embodiment of the utility model; But the protection domain of the utility model is not limited thereto; Any technical staff who is familiar with the present technique field is in the technical scope that the utility model embodiment discloses, and the variation that can expect easily or replacement all should be encompassed within the protection domain of the utility model.Therefore, the protection domain of the utility model should be as the criterion with the protection domain of claim.

Claims

1. drying equipment; It is characterized in that; Comprise dry main body, frame, feeding mouth, discharging opening, air outlet and at least one air inlet; Dry main body is arranged on the frame, each air inlet with provide the pipeline of hot blast to be connected for dry main body, feeding mouth is arranged on the top of dry main body and designs other positions in dry main body in the same side of air inlet or according to on-the-spot technological requirement; Discharging opening is arranged on the bottom of dry main body and at the opposite side of feeding mouth, and air outlet is arranged on the top of dry main body and at the opposite side of air inlet.

2. drying equipment according to claim 1; It is characterized in that; In said dry main body, also comprise at least two rotating shafts and a plurality of helical blade, each rotating shaft is installed in parallel in the dry main body, and an end of each rotating shaft is connected with air inlet; Said rotating shaft and helical blade all adopt hollow design, and the contact portion hollow of each helical blade on each rotating shaft and this rotating shaft is communicated with; Mutual intersection and tangent between the helical blade of adjacent rotating shaft.

3. drying equipment according to claim 1 is characterized in that, also comprises heat-insulation layer and at least one hot blast chamber in the said dry main body; Heat-insulation layer surrounds said at least one hot blast chamber; Each top, hot blast chamber is provided with two rotating shafts and coupled several logical helical blades, and U type structure, a shared U type wall between two continuous hot blast chambers are adopted in each hot blast chamber; Hot flue gas gets into from an end position of the U type wall of hot blast chamber, and the other end of the U type wall of hot blast chamber is set to opening.

4. drying equipment according to claim 1; It is characterized in that also comprise hot-blast stove, first conveyer belt and broken beater, hot-blast stove links to each other with air inlet; An edge of first conveyer belt is arranged on the top of broken beater inlet, and the outlet of broken beater links to each other with feeding mouth.

5. drying equipment according to claim 1 is characterized in that, also comprises the dust arrester and second conveyer belt, and the inlet of dust arrester links to each other with air outlet, and the outlet of dust arrester and discharging opening are arranged on the top of second conveyer belt or are provided with separately.

6. according to each described drying equipment among the claim 2-3, it is characterized in that on the cross section perpendicular to rotating shaft, said helical blade is an anglec of rotation and is installed on the rotating shaft and with interior of rotating shaft and is communicated with.

7. according to claim 2 or 3 or 6 described drying equipments, it is characterized in that said rotating shaft is the straight steel pipe of hollow or hollow metal property pipeline that can good heat conductive.