CN212987910U

CN212987910U - Steam drying device

Info

Publication number: CN212987910U
Application number: CN202022048379.7U
Authority: CN
Inventors: 胡征碧
Original assignee: Chongqing Longhao Wood Industry Co ltd
Current assignee: Chongqing Longhao Wood Industry Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-04-16
Anticipated expiration: 2030-09-17

Abstract

The utility model belongs to the technical field of drying equipment, in particular to a steam drying device, which comprises a drying chamber, wherein a lower cavity is arranged at the bottom of the drying chamber, a plurality of air holes are arranged on the lower surface of the drying chamber, and a heating mechanism is arranged in the lower cavity; the side wall of the drying chamber is connected with a steam pipe communicated with the lower cavity; a partition wall distributed around the inner wall of the drying chamber is arranged in the drying chamber, and a distance exists between the partition wall and the upper wall of the drying chamber; cavities which are communicated with each other are arranged in the side wall and the upper wall of the drying chamber, and an air inlet which is communicated with the cavities is arranged at the lower part of the side wall of the drying chamber; the upper part of the drying chamber is connected with a discharge pipe communicated with the cavity. In this scheme, cavity under steam can be full of, and the temperature of steam is high, makes each lateral wall of drying chamber all have higher temperature, has good heat preservation effect to drying chamber inside, improves the stoving effect of drying chamber. This scheme still sets up partition wall isotructure, and the flow time of extension steam more fully effectual energy of utilization steam.

Description

Steam drying device

Technical Field

The utility model belongs to the technical field of drying equipment, concretely relates to steam drying device.

Background

Pallets refer to horizontal platform devices used for containerization, stacking, handling, and transportation to place goods and articles as unit loads. Wooden pallets are widely used because of their low cost, light weight, and ease of manufacture. Wooden tray adopts stuff, the solid processing of billet concatenation to form, in order to guarantee the quality and the increase of service life of wooden tray, must make moisture (moisture content) in the wooden tray reduce to certain degree, just that just needs to handle through drying.

The current operation of drying to wooden block dish can generally be with the help of drying device, and drying device commonly used is steam drying device. The existing steam drying device has the advantages that the retention time of steam in the drying chamber is short, the heat of the steam cannot be fully utilized, the energy waste is caused, and the drying cost is increased to a certain extent.

SUMMERY OF THE UTILITY MODEL

The utility model provides a steam drying device to solve current steam drying device, the heat of steam can not obtain make full use of's problem.

In order to achieve the above purpose, the utility model discloses a scheme does: a steam drying device comprises a drying chamber, wherein a lower cavity is formed at the bottom of the drying chamber, a plurality of air holes communicated with the lower cavity and the inside of the drying chamber are formed in the lower surface of the drying chamber, and a heating mechanism is arranged in the lower cavity; the side wall of the drying chamber is connected with a steam pipe communicated with the lower cavity; a partition wall distributed around the inner wall of the drying chamber is arranged in the drying chamber, and a distance exists between the partition wall and the upper wall of the drying chamber; cavities which are communicated with each other are arranged in the side wall and the upper wall of the drying chamber, and an air inlet which is communicated with the cavities is arranged at the lower part of the side wall of the drying chamber; the upper part of the drying chamber is connected with a discharge pipe communicated with the cavity.

The working principle and the beneficial effects of the scheme are as follows:

when drying the wooden block dish, let in steam through the steam pipe toward the lower chamber, the steam of intracavity is down heated to heating mechanism, can make the steam evaporation of carrying in the steam disappear, makes steam dry relatively. Steam enters the drying chamber through the air holes, and the steam entering the drying chamber heats the wood tray to take away moisture on the wood tray. When steam flows in the drying chamber, the steam firstly flows into the position between the partition wall and the upper wall of the drying chamber through the position between the partition wall and the upper wall of the drying chamber, then enters the cavity through the air inlet, flows along the cavity and is finally discharged through the discharge pipe.

In this scheme, set up cavity of resorption, cavity isotructure, lower chamber, cavity can be full of to steam, and the temperature of steam is high, makes each lateral wall of drying chamber all have higher temperature, has good heat preservation effect to drying chamber inside, improves the stoving effect of drying chamber. This scheme has still set up partition wall isotructure, has prolonged the flow time of steam, more abundant effectual the energy of steam of having utilized.

Optionally, the heating mechanism is an electric heating wire. The electric heating wire has wide source, low price and easy operation.

Optionally, a desiccant for absorbing moisture is provided in the lower chamber. The steam that gets into the lower chamber probably has more moisture, sets up the moisture absorbent and can absorb the moisture in the steam, makes steam relatively dry, gives the wooden tray with moisture transmission when avoiding steam heating wooden tray.

Optionally, a rotating mechanism is arranged in the drying chamber, and the rotating mechanism comprises a rotating shaft, a supporting plate connected with the rotating shaft and a motor for driving the rotating shaft to rotate. When needing the wooden tray of drying, stack the wooden tray in the backup pad through devices such as fork truck, then the starter motor utilizes the motor to drive the backup pad and rotates, and the wooden tray can rotate along with the backup pad for the wooden tray can be more abundant with the indoor steam contact of drying, guarantee the dry homogeneity of wooden tray.

Optionally, an output shaft of the motor is connected with a driving gear, and a rotating shaft is connected with a driven gear engaged with the driving gear. When the rotating shaft needs to be driven to rotate, the motor is started, and the motor drives the rotating shaft to move together in a gear transmission mode.

Optionally, the lower surface of the support plate is provided with turning vanes. The support plate drives the rotating blades to move together when rotating, and the flow of air flow can be accelerated in the rotating process of the rotating blades, so that steam can enter the lower cavity more quickly; meanwhile, the rotating blades stir the steam in the drying chamber, so that the steam is more uniformly distributed in the drying chamber, and the steam is favorable for comprehensively heating the wood tray.

Optionally, the support plate is provided with a plurality of through holes. The through holes are arranged, so that steam can pass through the through holes to be in better contact with the wood trays on the supporting plate.

Optionally, the rotating shaft comprises a rotating shaft and a sliding shaft, a concave cavity is formed in the rotating shaft, hydraulic oil is filled in the concave cavity, and the sliding shaft is connected in the concave cavity in a sliding manner; the upper part of the sliding shaft is connected with a support plate, a flow channel is formed in the support plate, two ends of the flow channel face to the middle part of the support plate, plungers are connected in two sides of the flow channel in a sliding mode, and a limiting strip is arranged on one side, away from the flow channel, of the plungers; the supporting plate is provided with a groove communicated with the flow channel, and the limiting strip is connected to the groove in a sliding manner; the sliding shaft is provided with a channel for communicating the flow channel and the concave cavity, and the sliding shaft is provided with an elastic piece for resetting the sliding shaft. After placing wooden block dish in the backup pad, wooden block dish passes through the backup pad and applys decurrent effort to the hydraulic oil in the cavity for in hydraulic oil can get into the runner through the passageway, the effort is applyed to the plunger to the hydraulic oil that flows into the runner, the plunger moves to backup pad middle part one side, the in-process that the plunger removed drives spacing strip and moves together, and the spacing strip of last both sides carries out the centre gripping to wooden block dish, avoids rotating the in-process, and wooden block dish takes place to rock. After the drying is finished, the wooden tray is taken down from the supporting plate, and under the action of the elastic piece, the sliding shaft, the plunger, the limiting strip and other parts are automatically reset.

Optionally, a clamping groove communicated with the concave cavity is formed in the rotating shaft, and a protruding block connected in the clamping groove in a sliding mode is arranged on the sliding shaft. The arrangement of the clamping groove and the convex block has a guiding effect on the sliding shaft, and the arrangement of the clamping groove can avoid the relative rotation of the rotating shaft and the sliding shaft, so that the rotating shaft can be ensured to drive the sliding shaft to rotate together.

Optionally, the resilient member is a compression spring. Compression spring source is extensive, and the low price can accord with the user demand of this scheme moreover, chooses for use compression spring as the elastic component comparatively suitable.

Drawings

Fig. 1 is a sectional view of a steam drying device according to a first embodiment of the present invention;

fig. 2 is a sectional view of a steam drying device in a second embodiment of the present invention in a front view direction;

fig. 3 is an enlarged view of a portion a in fig. 2.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the drying chamber 10, the lower chamber 11, the cavity 12, the air hole 13, the air inlet 14, the steam pipe 15, the discharge pipe 16, the motor 20, the driving gear 21, the rotation shaft 30, the driven gear 31, the support plate 40, the through hole 41, the rotating blade 42, the flow passage 43, the groove 44, the partition wall 50, the electric heating wire 60, the desiccant 70, the rotation shaft 80, the cavity 81, the elastic member 82, the sliding shaft 83, the passage 84, the plunger 90 and the spacing strip 91.

Example one

This embodiment is substantially as shown in fig. 1: a steam drying device comprises a drying chamber 10, wherein a lower cavity 11 is formed at the bottom of the drying chamber 10, a plurality of air holes 13 communicated with the lower cavity 11 and the inside of the drying chamber 10 are formed in the lower surface of the drying chamber 10, and gas in the lower cavity 11 can enter the drying chamber 10 through the air holes 13. The heating mechanism is installed in the lower chamber 11, in this embodiment, the heating mechanism is an electric heating wire 60, the gas in the lower chamber 11 can be heated by the electric heating wire 60, and the heat in the lower chamber 11 can also be transferred to the drying chamber 10 through the air hole 13. The lower cavity 11 is also provided with a desiccant 70, the desiccant 70 is used for absorbing moisture, and the desiccant 70 can be selected from silica gel, calcium chloride and other substances. A steam pipe 15 communicating with the lower chamber 11 is connected to a sidewall of the drying chamber 10, and steam can be supplied into the lower chamber 11 through the steam pipe 15.

A partition wall 50 distributed around the inner wall of the drying chamber 10 is fixedly installed at the bottom of the drying chamber 10, and a flow passage 84 can be formed between the partition wall 50 and the inner wall of the drying chamber 10; the partition wall 50 has a height shorter than that of the drying chamber 10, and a distance exists between the partition wall 50 and an upper wall of the drying chamber 10. Cavities 12 which are communicated with each other are arranged in the side wall and the upper wall of the drying chamber 10, and an air inlet 14 which is communicated with the cavities 12 is arranged at the lower part of the side wall of the drying chamber 10. A discharge pipe 16 communicating with the cavity 12 is connected to an upper portion of the drying chamber 10, and the steam in the cavity 12 can be discharged to the outside through the discharge pipe 16.

A rotating mechanism is arranged in the drying chamber 10, and the rotating mechanism comprises a rotating shaft 30, a supporting plate 40 and a motor 20 for driving the rotating shaft 30 to rotate. The rotary shaft 30 is rotatably connected to the bottom of the drying chamber 10, the lower portion of the rotary shaft 30 is located in the lower cavity 11, and the upper portion of the rotary shaft 30 is located in the drying chamber 10. The motor 20 is fixedly installed in the lower cavity 11, a driving gear 21 is welded on an output shaft of the motor 20, a driven gear 31 meshed with the driving gear 21 is welded on the rotating shaft 30, and when the motor 20 works, the motor 20 drives the rotating shaft 30 to rotate together in a gear transmission mode. The supporting plate 40 is located in the drying chamber 10, the lower surface of the supporting plate 40 is fixed on the upper portion of the rotating shaft 30, the lower surface of the supporting plate 40 is fixed with a plurality of rotating blades 42, and when the supporting plate 40 drives the rotating blades 42 to move together, the flow of the air flow can be accelerated under the action of the rotating blades 42. The support plate 40 is formed with a plurality of through-holes 41, and the through-holes 41 are provided so that steam can pass through the through-holes 41 to be in better contact with the wooden pallets on the support plate 40.

When the wooden pallets need to be dried, the wooden pallets are stacked on the supporting plate 40 through a forklift and the like. Steam is introduced into the lower cavity 11 through the steam pipe 15, the electric heating wire 60 heats the steam in the lower cavity 11, and the steam carried in the steam can be evaporated and disappear, so that the steam is relatively dry. Steam enters the drying chamber 10 through the air holes 13, and the steam entering the drying chamber 10 heats the wooden trays and takes away moisture on the wooden trays. When steam flows in the drying chamber 10, the steam first flows through a position between the partition wall 50 and the upper wall of the drying chamber 10, flows into a position between the partition wall 50 and the inner wall of the drying chamber 10, then enters the cavity 12 through the air inlet 14, flows along the cavity 12, and is finally discharged through the discharge pipe 16.

The motor 20 is started while the steam is introduced, the motor 20 is utilized to drive the supporting plate 40 to rotate, the wooden tray can rotate along with the supporting plate 40, and the wooden tray can be more fully contacted with the steam in the drying chamber 10. When the support plate 40 rotates, the rotating blades 42 are driven to move together, and in the process of rotating the rotating blades 42, the flow of air flow can be accelerated, so that steam can enter the lower cavity 11 more quickly; meanwhile, the rotating blades 42 stir the steam in the drying chamber 10, so that the steam is more uniformly distributed in the drying chamber 10, and the steam is favorable for comprehensively heating the wooden tray.

Example two

The present embodiment is different from the first embodiment in that: in the present embodiment, the structure of the rotary shaft 30 and the support plate 40 is further improved. As shown in fig. 2 and 3, in the present embodiment, the rotation shaft 30 includes a rotation shaft 80 and a sliding shaft 83, the rotation shaft 80 is rotatably connected to the bottom of the drying chamber 10, the upper portion of the rotation shaft 80 extends into the drying chamber 10, and the driven gear 31 is welded to the rotation shaft 80. The rotating shaft 80 is internally provided with a cavity 81 and a clamping groove communicated with the cavity 81, the cavity 81 is filled with hydraulic oil, the clamping groove is distributed along the height direction of the rotating shaft 80, and a convex block in sliding connection with the clamping groove is fixed on the sliding shaft 83. An elastic member 82 is connected between the rotating shaft 80 and the sliding shaft 83, and in this embodiment, the elastic member 82 is a compression spring, one end of which is connected to the lower surface of the sliding shaft 83, and the other end of which is connected to the lower wall of the cavity 81 of the rotating shaft 80. The upper portion of slide shaft 83 and backup pad 40 fixed connection have seted up runner 43 in the backup pad 40, and the both ends of runner 43 set up relatively and all towards the middle part of backup pad 40, all slide and sealing connection has plunger 90 in the both sides of runner 43, and one side that runner 43 was kept away from to plunger 90 is fixed with spacing strip 91. The supporting plate 40 is provided with a groove 44 communicated with the flow passage 43, and the limiting strip 91 is connected to the groove 44 in a sliding manner. The sliding shaft 83 is provided with a passage 84, and the passage 84 can communicate the flow passage 43 with the cavity 81.

After the wooden tray is placed on the supporting plate 40, the wooden tray applies downward acting force to hydraulic oil in the cavity 81 through the supporting plate 40, so that the hydraulic oil can enter the flow channel 43 through the channel 84, the hydraulic oil flowing into the flow channel 43 applies acting force to the plunger 90, the plunger 90 moves towards one side of the middle of the supporting plate 40, the plunger 90 moves in the process of driving the limiting strips 91 to move together, the limiting strips 91 on the two sides at the last clamp the wooden tray, and the wooden tray is prevented from shaking in the rotating process. After the drying is finished, the wooden pallet is taken down from the supporting plate 40, and under the action of the elastic piece 82, the sliding shaft 83, the plunger 90, the limiting strip 91 and other parts are automatically reset.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be pointed out that to those skilled in the art, without departing from the structure of the present invention, a plurality of modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the utility of the present invention.

Claims

1. The utility model provides a steam drying device which characterized in that: the drying device comprises a drying chamber, wherein a lower cavity is formed at the bottom of the drying chamber, a plurality of air holes communicated with the lower cavity and the inside of the drying chamber are formed in the lower surface of the drying chamber, and a heating mechanism is arranged in the lower cavity; the side wall of the drying chamber is connected with a steam pipe communicated with the lower cavity; a partition wall distributed around the inner wall of the drying chamber is arranged in the drying chamber, and a distance exists between the partition wall and the upper wall of the drying chamber; cavities which are communicated with each other are arranged in the side wall and the upper wall of the drying chamber, and an air inlet which is communicated with the cavities is arranged at the lower part of the side wall of the drying chamber; the upper part of the drying chamber is connected with a discharge pipe communicated with the cavity.

2. A steam drying device according to claim 1, characterized in that: the heating mechanism is an electric heating wire.

3. A steam drying device according to claim 2, characterized in that: a dehumidifying agent for absorbing moisture is arranged in the lower cavity.

4. A steam drying device according to claim 3, characterized in that: the drying chamber is internally provided with a rotating mechanism which comprises a rotating shaft, a supporting plate connected with the rotating shaft and a motor driving the rotating shaft to rotate.

5. A steam drying device according to claim 4, characterized in that: the output shaft of the motor is connected with a driving gear, and the rotating shaft is connected with a driven gear meshed with the driving gear.

6. A steam drying device according to claim 5, characterized in that: the lower surface of the supporting plate is provided with a rotating blade.

7. The steam drying device of claim 6, wherein: the supporting plate is provided with a plurality of through holes.

8. A steam drying apparatus according to any one of claims 4 to 7, wherein: the rotating shaft comprises a rotating shaft and a sliding shaft, a concave cavity is formed in the rotating shaft, hydraulic oil is filled in the concave cavity, and the sliding shaft is connected in the concave cavity in a sliding mode; the upper part of the sliding shaft is connected with a support plate, a flow channel is formed in the support plate, two ends of the flow channel face to the middle part of the support plate, plungers are connected in two sides of the flow channel in a sliding mode, and a limiting strip is arranged on one side, away from the flow channel, of the plungers; the supporting plate is provided with a groove communicated with the flow channel, and the limiting strip is connected to the groove in a sliding manner; the sliding shaft is provided with a channel for communicating the flow channel and the concave cavity, and the sliding shaft is provided with an elastic piece for resetting the sliding shaft.

9. A steam drying device according to claim 8, wherein: a clamping groove communicated with the concave cavity is formed in the rotating shaft, and a convex block connected in the clamping groove in a sliding mode is arranged on the sliding shaft.

10. A steam drying device according to claim 9, wherein: the elastic member is a compression spring.