CN110966845A

CN110966845A - Roller scraper dryer

Info

Publication number: CN110966845A
Application number: CN201911155609.5A
Authority: CN
Inventors: 丁亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-04-07

Abstract

The invention relates to the technical field of drying machines, and discloses a roller scraper drying machine, which comprises supporting legs, wherein the arc-shaped surface of a drying roller for dipping materials is arranged into a tooth shape, so that the single dipping surface of the drying roller and the materials is greatly increased, more materials can be dipped by the roller once through a material groove, the quantity of the materials which can be dried by one rotation of the roller is increased, the drying efficiency of the roller is greatly improved, meanwhile, the contact area between the inside of the tooth-shaped drying roller and hot steam is greatly increased, so that the steam in the inside can perform heat exchange with the inner wall of the drying roller more, more materials are dried, the effective utilization rate of the steam in the drying roller is increased, the utilization amount of the hot steam in unit time is increased, and compared with the fixed hot steam inlet amount in unit time, the heat dissipation amount of the two sides of the drying roller in unit time is reduced, so that the heat utilization rate is improved.

Description

Roller scraper dryer

Technical Field

The invention relates to the technical field of dryers, in particular to a roller scraper dryer.

Background

Cylinder scraper dryer mainly dries to the material of liquid or mud form, make the evaporation of water assay in the material, obtain dry solid crystallization, it adopts is interior heating conduction type continuous rotation drying method, rotatory drying drum passes through the material pond of bottom, the material of certain thickness on the adhesion, and heat steam gets into drying drum from the steam pipe, heat the cylinder, the cylinder heats the evaporation to the material of its surface adhesion again, dry good material strikes off through the scraper above that, but current cylinder scraper dryer has some problems all the time:

1. the cylinder of current cylinder scraper dryer is surfacing, effective length between its horizontal both sides equals the distance between the both sides, and because this cylinder scraper dryer's the method of getting material is soaking, the lower part of cylinder can submergence completely in the material, but because the length of the face of dipping in of cylinder only has the length of distance between the both sides, single like this dip in the volume of getting less, the cylinder rotates the dry volume of a week very limited, lead to rotating the work efficiency reduction of a week, secondly equally because dip in the face limited, it is less to lead to the heat in the drying drum and the area that the heat exchange was carried out to the cylinder inner wall to be less, lead to more heat to be unable in time to utilize, give off from two sides of cylinder, energy utilization is not high.

2. The steam inlet of current cylinder scraper blade desiccator is external steam transmission pipe, directly get into inside the drying drum from steam inlet, such mode can lead to the serious inhomogeneous of heat distribution in the drying drum, and one side heat at steam inlet is obviously higher than principle steam inlet's one side, and the humidity of the material after the both sides drying is different like this, leads to the quality after the both sides material drying to have the difference, and the quality that the material that the quality has the difference can make final dry material after scraping the collection together descends.

To this end we propose a drum scraper dryer.

Disclosure of Invention

The invention provides a roller scraper dryer which has the advantages of high heat energy utilization rate, good drying effect and high drying quality, and solves the problems in the background technology.

The invention provides the following technical scheme: the utility model provides a cylinder scraper blade desiccator, includes the supporting leg, fixed mounting has the sleeve on the supporting leg, the inside movable mounting of sleeve has the pivot, through connecting block fixedly connected with drying drum in the pivot, one side movable mounting of drying drum has the steam spray tube, the spout has been seted up on the steam spray tube, movable mounting has the siphon in the pivot of drying drum opposite side, fixed mounting has the material groove on the supporting leg, the epaxial fixed mounting of sleeve has the scraper.

Preferably, the material dipping drying surface of the transverse direction of the drying drum is toothed.

Preferably, the steam spray pipe is transversely arranged inside the drying drum, and the length of the steam spray pipe is smaller than the distance between two sides of the drying drum.

Preferably, the scraper comprises a first blade and a second blade, the length of the first blade is longer than that of the second blade, and the first blade and the second blade are distributed on the scraper at intervals and continuously.

The invention has the following beneficial effects:

1. the roller scraper dryer has the advantages that the arc-shaped surface of the drying roller for dipping materials is set to be in the shape of teeth, compared with the traditional smooth plane, the tooth-shaped drying roller greatly increases the single dipping surface of the drying roller and the materials, so that the roller can dip more materials once through the material groove, the quantity of the materials which can be dried by one rotation of the roller is increased, the drying efficiency of the roller is greatly improved, meanwhile, the contact area between the inside of the tooth-shaped drying roller and hot steam is greatly increased, the heat exchange between the inside steam and the inner wall of the drying roller can be more realized, more materials are dried, the effective utilization rate of the steam inside the drying roller is increased, the utilization amount of the hot steam in unit time is increased, and the heat loss amount of the two sides of the drying roller in unit time is reduced compared with the fixed hot steam inlet amount in unit time, thereby also improving the utilization rate of heat.

2. This cylinder scraper blade desiccator, be provided with the steam spray tube through drying drum inside, and evenly seted up the spout on the steam spray tube, can make the hot steam that gets into from steam inlet transmit in the steam spray tube, because the restriction of steam spray tube, its inside hot steam that is full of very easily, the one end of steam spray tube extends to drying drum keeps away from the one end of steam inlet, the steam spray tube has just so spanned the inside left and right sides of drying drum, and these hot steam can spray out from the spout again, thereby can guarantee that the steam volume of the inside left and right sides of drying drum and the heat that steam contains are the same, the humidity of the material after having guaranteed drying drum outer wall drying like this keeps the same basically, material quality after drying like this is just the same, the completion quality of this equipment has been promoted.

Drawings

FIG. 1 is a schematic front cross-sectional view of the inventive structure;

FIG. 2 is a schematic side cross-sectional view of the inventive structure;

fig. 3 is a schematic view of the structure scraper of the invention.

In the figure: 1. supporting legs; 2. a sleeve shaft; 3. a rotating shaft; 4. drying the roller; 5. a steam nozzle; 6. a spout; 7. a siphon tube; 8. a material groove; 9. a scraper; 91. a first blade; 92. a second blade.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a roller scraper dryer comprises a supporting leg 1, a sleeve shaft 2 is fixedly mounted on the supporting leg 1, a rotating shaft 3 is movably mounted inside the sleeve shaft 2, a drying roller 4 is fixedly connected inside the rotating shaft 3 through a connecting block, a steam spray pipe 5 is movably mounted on one side of the drying roller 4, a nozzle 6 is formed in the steam spray pipe 5, a siphon pipe 7 is movably mounted in the rotating shaft 3 on the other side of the drying roller 4, a material groove 8 is fixedly mounted on the supporting leg 1, and a scraper 9 is fixedly mounted on the sleeve shaft 2.

Wherein, the horizontal material of drying cylinder 4 dips in and gets the dry surface is dentate, dip in through dentate and get the surface, compare in traditional plane and dip in and get the surface, greatly increased its area of getting with dipping in of material, make the circulation once can dip in and get more materials, increase the work efficiency of desiccator, and simultaneously, the design of dentate also can increase the heat exchange area of 4 inside hot steam of drying cylinder and 4 inner walls of drying cylinder, thereby promote the heat exchange area of 4 outer walls of drying cylinder and material, finally promoted the dry volume of material in the desiccator unit interval.

Wherein, the steam spray pipe 5 is transversely arranged in the drying roller 4, the length of the steam spray pipe 5 is less than the distance between two sides of the drying roller 4, the design of the steam spray pipe 5 changes the situation that the traditional hot steam directly enters the drying roller 4 from the conveying pipe, the steam spray pipe 5 is utilized to transversely penetrate the inside of the drying roller 4, so that the hot steam firstly enters the steam spray pipe 5, the diameter of the steam spray pipe 5 is far less than that of the drying roller 4, the inside of the steam spray pipe is easily filled with the hot steam, then the hot steam is sprayed out from the nozzle 6 and enters the drying roller 4, thereby ensuring that the hot steam can be contacted with the inner wall of the drying roller 4 uniformly to carry out heat exchange, and the quantity of the hot steam at two transverse sides in the drying roller 4 and the heat of the hot steam are kept consistent, thus keeping the drying degree of the materials on the outer wall of the drying roller 4, thereby improving the consistency of the quality of the dried materials.

The scraper 9 comprises a first blade 91 and a second blade 92, the length of the first blade 91 is longer than that of the second blade 92, the first blade 91 and the second blade 92 are distributed on the scraper 9 at intervals, the first blade 91 is embedded in a toothed groove of the drying drum 4, the second blade 92 is in contact with a toothed protruding part, after the materials are dried, the materials in the groove and in the groove walls on two sides of the groove can be scraped off respectively by the front surface and two sides of the first blade 91, the dried materials on the protruding part are scraped off by the second blade 92, and therefore the dried materials in the whole toothed shape can be completely scraped off, wet materials can be dipped next time, and the working efficiency of the dryer is greatly improved by combining the toothed part of the drying drum 4.

The theory of operation, the outer wall of cylinder is rotatory in material groove 8, dip in behind the very high material of humidity, form a layer of material membrane on its surface, hot steam sends into steam spray pipe 5 from the delivery pipe, spout 6 on steam spray pipe 5 in the inside of spraying to drying drum 4, hot steam carries out heat exchange with drying drum 4's inner wall, drying drum 4's outer wall carries out heat exchange with wet material again, evaporate moisture wherein, the material after the drying is scraped off through drying drum 4's rotation first blade 91 and second blade 92 on scraper 9, the condensation becomes the water droplet after the steam heat exchange and falls into the bottom of drying drum 4 inner wall, the comdenstion water is discharged through siphon 7.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cylinder scraper blade desiccator, includes supporting leg (1), its characterized in that: fixed mounting has sleeve (2) on supporting leg (1), the inside movable mounting of sleeve (2) has pivot (3), through connecting block fixedly connected with drying drum (4) in pivot (3), one side movable mounting of drying drum (4) has steam spray tube (5), spout (6) have been seted up on steam spray tube (5), movable mounting has siphon (7) in pivot (3) of drying drum (4) opposite side, fixed mounting has material groove (8) on supporting leg (1), fixed mounting has scraper (9) on sleeve (2).

2. The roller squeegee dryer of claim 1, wherein: the transverse material dipping and drying surface of the drying drum (4) is toothed.

3. The roller squeegee dryer of claim 1, wherein: the steam spray pipe (5) is transversely arranged in the drying drum (4), and the length of the steam spray pipe (5) is smaller than the distance between two sides of the drying drum (4).

4. The roller squeegee dryer of claim 1, wherein: the scraper (9) comprises a first blade (91) and a second blade (92), the length of the first blade (91) is longer than that of the second blade (92), and the first blade (91) and the second blade (92) are distributed on the scraper (9) at intervals in a continuous mode.