CN219640583U - Sawdust drying device - Google Patents

Abstract

The utility model relates to a sawdust drying device, which comprises a drying box body with a feeding hole at the top, wherein heating pipes which are distributed in a spiral shape along the transverse direction are arranged in the drying box body, one end of each heating pipe is connected with a steam input pipe, the other end of each heating pipe is connected with a steam output pipe, a transverse stirring shaft which is arranged on the drying box body is arranged in the middle of the inner side of each heating pipe, the transverse stirring shaft is driven to rotate by a stirring motor, and a plurality of electric heating rods are fixed on the peripheral side wall of each transverse stirring shaft along the axial direction of each transverse stirring shaft. The utility model has reasonable structural design, and the heating pipes and the electric heating rods are respectively heated from the outer side and the inner side by arranging the spiral heating pipes in the drying box body and simultaneously matching with the plurality of electric heating rods arranged on the transverse stirring shaft, so that sawdust positioned in the middle part and the side part of the drying box body can be effectively heated and dried, and the drying uniformity is effectively improved.

Description

Sawdust drying device

Technical field:

the utility model relates to a sawdust drying device.

The background technology is as follows:

sawdust is powder sawdust of the tree itself scattered from the tree during sawing, and belongs to solid waste. China is a country where forestry resources are not developed, in fact, sawdust can be used for developing a plurality of products beneficial to people in production and life, and nowadays, many people are aware of the fact, and resource utilization of sawdust is developed.

When the sawdust is produced in a recycling way, the sawdust needs to be dried to ensure the looseness of the sawdust. However, the existing sawdust drying equipment mostly adopts the method that hot steam is introduced into a drying box, and the sawdust is dried by using the hot steam; or the inner peripheral side wall of the drying box body is provided with a heating plate, and the sawdust is heated and dried by the heating plate. In a single drying mode adopting hot steam, the distribution of the hot steam in the drying box is uneven, so that the drying uniformity is poor, and partial sawdust is easy to be dried insufficiently; in the drying mode of the heating plate, the heating plate is fixedly arranged on the side wall of the drying box, so that sawdust positioned in the middle of the drying box cannot obtain effective heat, and further, the condition of insufficient drying occurs, and the problem of poor drying uniformity is also solved. In view of this, there is a need for improvements in the current sawdust drying technology.

The foregoing is not necessarily a prior art, and falls within the technical scope of the inventors.

The utility model comprises the following steps:

the utility model aims at improving the problems in the prior art, namely the technical problem to be solved by the utility model is to provide the sawdust drying device which is reasonable in design and effectively improves the uniformity of sawdust drying.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a sawdust drying device, includes the stoving box that the top has the feed inlet, the inside of stoving box is equipped with the heating pipe that transversely is the heliciform and distributes, the one end of heating pipe is connected with steam input pipe, and the other end of heating pipe is connected with steam output pipe, and the inboard middle part of heating pipe is equipped with the horizontal (mixing) shaft of installing on the stoving box, horizontal (mixing) shaft is rotated by agitator motor drive, and the periphery lateral wall of horizontal (mixing) shaft is fixed with many electric bars along its axial.

Further, the electric heating rod extends along the radial direction of the transverse stirring shaft.

Further, the lower ends of the front side wall and the rear side wall of the drying box body are respectively provided with a transverse chute, a movable baffle plate is connected in a sliding manner in the transverse chute, and the movable baffle plate is positioned below the first heating pipe; the left side wall lower extreme of stoving box is equipped with the opening, the opening is linked together with horizontal spout and is in order to be favorable to drawing movable baffle.

Further, the below of movable baffle is equipped with the filter screen with stoving box fixed connection, form ejection of compact cavity between the bottom of filter screen and stoving box, the right-hand member of ejection of compact cavity is connected with row material pipe, install the material suction fan on the row material pipe.

Further, the drying box further comprises a moisture exhausting fan arranged above the drying box body, and an air inlet end of the moisture exhausting fan is communicated with the inside of the drying box body through a moisture exhausting pipe.

Compared with the prior art, the utility model has the following effects: the utility model has reasonable structural design, and the heating pipes and the electric heating rods are respectively heated from the outer side and the inner side by arranging the spiral heating pipes in the drying box body and simultaneously matching with the plurality of electric heating rods arranged on the transverse stirring shaft, so that sawdust positioned in the middle part and the side part of the drying box body can be effectively heated and dried, and the drying uniformity is effectively improved.

Description of the drawings:

fig. 1 is a schematic view of a front sectional configuration of an embodiment of the present utility model.

The specific embodiment is as follows:

the utility model will be described in further detail with reference to the drawings and the detailed description.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1, the sawdust drying device comprises a cuboid-shaped drying box body 1 with a feed inlet 2 at the top, heating pipes 3 distributed in a spiral shape transversely are arranged in the drying box body 1, the heating pipes 3 are close to the peripheral side wall of the drying box body 1, one end of each heating pipe 3 is connected with a steam input pipe 8, the other end of each heating pipe 3 is connected with a steam output pipe 9, a transverse stirring shaft 4 mounted on the drying box body 1 is arranged in the middle of the inner side of each heating pipe 3, the transverse stirring shaft 4 is driven to rotate by a stirring motor 5, and a plurality of electric heating rods 6 are fixed on the peripheral side wall of each transverse stirring shaft 4 along the axial direction of each electric heating rod. During operation, sawdust to be dried is input into the drying box body 1 from the feed inlet 2, the steam input pipe 8 conveys external hot steam to the heating pipe 3, and the heating pipe 3 dries the sawdust in the drying box body 1; the stirring motor drives the electric heating rod to rotate through the transverse stirring shaft, and the electric heating rod not only can stir the sawdust, but also can heat and dry the sawdust. Through set up helical heating pipe in the inside of stoving box, cooperate simultaneously and install many electric bars on horizontal (mixing) shaft, heating pipe and electric bar heat from outside and inboard respectively for the sawdust homoenergetic that is located stoving box middle part and lateral part is effectual to get the heating stoving, effectively improves stoving homogeneity.

In another embodiment, the electric heating rod 6 extends along the radial direction of the transverse stirring shaft 4.

In another embodiment, the steam input pipe 8 is connected to a steam generator, from which hot steam is supplied. It should be noted that, the steam generator is an existing mature product, and is also called a steam heat source machine (commonly called a boiler), which is a mechanical device for heating water into hot water or steam by using heat energy of fuel or other energy sources, and the working principle and structure thereof will not be repeated here.

In another embodiment, the lower ends of the front and rear side walls of the drying box 1 are respectively provided with a transverse chute, a movable baffle 10 is connected in a sliding manner in the transverse chute, and the movable baffle 10 is positioned below the first heating pipe 3; the lower end of the left side wall of the drying box body 1 is provided with an opening 11, and the opening 11 is communicated with the transverse sliding groove and is beneficial to drawing out the movable baffle. By arranging the extractable movable baffle, sawdust in the drying box body is blocked above the movable baffle.

In another embodiment, a filter screen 12 fixedly connected with the drying box body is arranged below the movable baffle 10, a discharging cavity 13 is formed between the filter screen 12 and the bottom of the drying box body 1, the right end of the discharging cavity is connected with a discharging pipe 7, and a material suction fan 14 is arranged on the discharging pipe 7. After the drying is finished, the movable baffle is pulled out from the opening, the sawdust falls into the discharging cavity after being filtered by the filter screen, and the sawdust in the discharging cavity is pumped into a sawdust collecting box (not shown in the figure) by the material pumping fan through the material discharging pipe. The filter screen can filter out larger impurities mixed in the sawdust.

In another embodiment, the drying box body 1 further comprises a moisture discharging fan 15 positioned above the drying box body 1, and the air inlet end of the moisture discharging fan 15 is communicated with the interior of the drying box body 1 through a moisture discharging pipe 16. During operation, because the sawdust heats and dries, water vapor can be generated in the drying box body, and the water vapor in the drying box body is pumped out under the driving of the moisture exhausting fan.

If the utility model discloses or relates to components or structures fixedly connected with each other, then unless otherwise stated, the fixed connection is understood as: detachably fixed connection (e.g. using bolts or screws) can also be understood as: the non-detachable fixed connection (e.g. riveting, welding), of course, the mutual fixed connection may also be replaced by an integral structure (e.g. integrally formed using a casting process) (except for obviously being unable to use an integral forming process).

In addition, terms used in any of the above-described aspects of the present disclosure to express positional relationship or shape have meanings including a state or shape similar to, similar to or approaching thereto unless otherwise stated.

Any part provided by the utility model can be assembled by a plurality of independent components, or can be manufactured by an integral forming process.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same; while the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present utility model or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the utility model, it is intended to cover the scope of the utility model as claimed.

Claims (5)

1. The utility model provides a sawdust drying device, includes the stoving box that the top has the feed inlet, its characterized in that: the inside of stoving box is equipped with the heating pipe that is the heliciform and distributes along transversely, the one end of heating pipe is connected with the steam input pipe, and the other end of heating pipe is connected with the steam output pipe, and the inboard middle part of heating pipe is equipped with the horizontal (mixing) shaft of installing on the stoving box, horizontal (mixing) shaft is rotated by the agitator motor drive, and the periphery lateral wall of horizontal (mixing) shaft is fixed with many electric bars along its axial.

2. A sawdust drying apparatus as claimed in claim 1, wherein: the electric heating rod extends along the radial direction of the transverse stirring shaft.

3. A sawdust drying apparatus as claimed in claim 1, wherein: the lower ends of the front side wall and the rear side wall of the drying box body are respectively provided with a transverse chute, a movable baffle plate is connected in a sliding manner in the transverse chute, and the movable baffle plate is positioned below the heating pipe; the left side wall lower extreme of stoving box is equipped with the opening, the opening is linked together with horizontal spout and is in order to be favorable to drawing movable baffle.

4. A sawdust drying apparatus as claimed in claim 3, wherein: the lower part of the movable baffle is provided with a filter screen fixedly connected with the drying box body, a discharging cavity is formed between the filter screen and the bottom of the drying box body, the right end of the discharging cavity is connected with a discharging pipe, and a material pumping fan is arranged on the discharging pipe.

5. A sawdust drying apparatus as claimed in claim 1, wherein: the drying box further comprises a moisture exhausting fan arranged above the drying box body, and an air inlet end of the moisture exhausting fan is communicated with the inside of the drying box body through a moisture exhausting pipe.