CN217686291U

CN217686291U - Quick dehumidification drying device of timber

Info

Publication number: CN217686291U
Application number: CN202221875296.8U
Authority: CN
Inventors: 刘媛媛
Original assignee: Shandong Liwo Microwave Equipment Co ltd
Current assignee: Shandong Liwo Microwave Equipment Co ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-10-28
Anticipated expiration: 2032-07-20

Abstract

A rapid wood dehumidifying and drying device comprises a plurality of drying and dehumidifying units, wherein each drying and dehumidifying unit comprises a heating mechanism and a moving-out mechanism which are adjacently arranged; the heating mechanism comprises a heating shell, a heating cavity for accommodating wood is arranged in the heating shell, and a microwave heater facing the heating cavity is arranged on the heating shell; the moving-out mechanism comprises a moving-out cavity, air pressure is arranged in the moving-out cavity, and a moving-out channel is arranged on the moving-out cavity; the heating shell and the moving-out mechanism are respectively provided with a feeding part; heating opening and closing doors are respectively arranged on two sides of the heating mechanism, and moving-out opening and closing doors are respectively arranged on two sides of the moving-out mechanism. This application adopts heating mechanism to heat, and the heat that shifts out of mechanism both can guarantee drying effect, still helps preventing timber fracture.

Description

Quick dehumidification drying device of timber

Technical Field

The application relates to a quick dehumidification drying device for wood.

Background

After the timber is felled, the timber needs to be dried and dehumidified, set to a suitable humidity. The methods for dehumidifying and drying wood are various, such as furnace gas heating conventional drying, steam heating conventional drying, hot air drying, vacuum drying, and the conventional drying by circulating heating of hot water and high-temperature water which is popular in recent years. The existing drying and dehumidifying method needs a long time or has the problems of wood crack and the like in the drying process.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the application provides a rapid wood dehumidifying and drying device which comprises a plurality of drying and dehumidifying units, wherein each drying and dehumidifying unit comprises a heating mechanism and a moving-out mechanism which are adjacently arranged;

the heating mechanism comprises a heating shell, a heating cavity for containing wood is arranged in the heating shell, and a microwave heater facing the heating cavity is arranged on the heating shell;

the moving-out mechanism comprises a moving-out cavity, air pressure is arranged in the moving-out cavity, and a moving-out channel is arranged on the moving-out cavity;

and feeding parts are respectively arranged in the heating shell and the moving-out mechanism. This application adopts heating mechanism to heat, and the mechanism that shifts out has the effect in two aspects, and the one side is the material such as impurity and quality of water of shifting out, and on the other hand then shifts out the heat, because microwave heating's mode, does not divide interior outer concurrent heating in fact, if the phenomenon that moisture content gathered appears, leads to timber self fracture easily, and the processing mode that adopts this application both can guarantee drying effect, still helps preventing timber fracture. In addition, the present application can actually adopt a scheme of a heating mechanism-a moving-out mechanism- \ 8230 \ 8230; -a scheme of a design to improve the treatment capacity (wood treatment capacity) and the treatment effect (to avoid cracking of wood due to excessive difference of water content in single drying).

Preferably, the feeding part comprises a chain plate which is annularly arranged, the chain plate comprises a single body which is clamped and connected, power chains are fixedly arranged on two sides of the chain plate respectively, a support rod is arranged between the power chains, the support rod and the single body are sleeved and arranged, conveying rollers are arranged at two ends of the chain plate respectively, the chain plate is sleeved on the conveying rollers, at least one conveying roller is in power connection with a power motor, driving gears are arranged on two sides of the conveying rollers respectively, and the power chains are matched with the driving gears; the monomer includes the monomer body, is equipped with a plurality of connectors in the both sides of monomer body, is equipped with a plurality of connecting holes that are used for wearing to establish the bracing piece on the connector, and cartridge setting in turn between the connector of adjacent monomer body. This application adopts this kind of chain structure, mainly because there is the wind pressure in the middle of shifting out the mechanism, and the existence of wind pressure makes the accepting part take place to accept unstable phenomenon easily, and this application adopts the link joint as the main part, and the bearing capacity is very good, can not be because of the harsh unstable damage even that brings the structure of operating condition.

Preferably, the upper side and/or the lower side and/or the left side and/or the right side of the heating shell are/is provided with a microwave module consisting of a microwave heater;

the removing channel comprises a water vapor outlet channel positioned above and an impurity outlet channel positioned below. The impurity is derived the passageway and is carried out the outer defeated by adopting the mode of link joint, and the steam is derived the passageway and is adopted and set up discharge tube at the top to be linked together discharge tube and the mechanism that the negative pressure produced can.

Preferably, the microwave module comprises not less than 4 microwave heaters, and the emitting heads of the microwave heaters are rectangular; the microwave module comprises a first heater, a second heater, a third heater and a fourth heater which are annularly arranged; the long axis of the first heater is vertically arranged with the long axes of the second heater and the fourth heater; the long axis of the third heater is perpendicular to the long axes of the second heater and the fourth heater, and the centers of the first heater, the second heater, the third heater and the fourth heater are connected to form a square; the centers of the first heater, the second heater, the third heater and the fourth heater are provided with central heaters, and the emitting heads of the central heaters are square;

the first heater and the third heater are arranged in an inclined way towards the direction deviating from each other, and the inclined angle is 30-40 degrees; the second heater and the fourth heater are arranged in an inclined way towards the direction deviating from each other, and the inclined angle is 30-40 degrees; the direction of the central heater is vertically arranged downwards. The microwave heater is deeply researched, and when the power of the selected microwave heater monomer is the same, the heating efficiency can be improved by more than 10% by adopting the design mode of the microwave heater, correspondingly, the energy can be saved by more than 10%, and the specific reason is mainly that the mode is adopted to combine the position relation between the microwave heater monomer and wood, so that the effect of energy uniform distribution is better, dead corners are basically not generated, and the repeated overlapping area is relatively less.

Preferably, the heating mechanism is provided with heating opening and closing doors on two sides respectively, and the moving-out mechanism is provided with moving-out opening and closing doors on two sides respectively.

Preferably, the wind pressure comprises a plurality of wind pressure cylinders, and the wind pressure cylinders are formed by a plurality of wind knives arranged on the inner wall of the shift-out cavity; the air knife is arranged at the upper part of the shifting-out cavity.

Preferably, the air knife comprises a guiding pipeline fixedly connected with the inner wall of the shifting-out cavity, a plurality of sheet-shaped openings facing the inside of the shifting-out mechanism are formed in the guiding pipeline, and the guiding pipeline is connected with a vortex booster fan through a connecting pipeline; the outlet pipe is perpendicular to the feeding direction of the feeding part. This application need not restrict the reason that the wind pressure formed in fact, as long as can form a unidirectional wind can, it can be with wind direct action on timber to can play rapid moisture content, impurity and thermal effect of taking away, accomplish holistic drying operation then, the characteristics that adopt the air knife are that air knife self structure is simple relatively, and can carry out different slice open-ended designs as required, make the characteristics that accord with the timber of processing that can be better.

Preferably, the number of the drying and dehumidifying units is not less than two. The application can adopt a mode that a plurality of drying and dehumidifying units are arranged in parallel, namely a design mode of a heating mechanism, a moving-out mechanism, a heating mechanism and a moving-out mechanism, 8230, 8230.

On the other hand, the application also discloses a method for quickly dehumidifying and drying wood, which comprises the following steps:

placing the wood into a heating mechanism, and placing the wood into a moving-out mechanism after the wood passes through the heating mechanism;

in the heating mechanism, firstly, the wood is placed in the feeding part, then the wood is placed in the heating shell, and then the heating mechanism is used for heating by utilizing a microwave heater;

in the moving-out mechanism, firstly, the wood is moved into the moving-out mechanism from the heating mechanism, then the temperature is reduced and the impurities are removed by utilizing the wind pressure, and the wood is moved out from the moving-out channel.

Preferably, in the heating mechanism, the operation temperature is 70-80 ℃, and the heating time is 8-12min;

in the moving-out mechanism, the wind speed of the wind knife is 30-40m/s, and the wind pressure time is 8-12min.

This application can bring following beneficial effect:

1. this application adopts heating mechanism to heat, and the mechanism that shifts out has the effect of two aspects, and the one side is the material such as impurity and quality of water of shifting out, and on the other hand then shifts out the heat, because microwave heating's mode, does not divide inside and outside concurrent heating in fact, if the phenomenon that moisture content gathered appears, leads to timber self fracture easily, and the treatment method who adopts this application both can guarantee drying effect, still helps preventing timber fracture.

2. The microwave heater is deeply researched, and when the power of the selected microwave heater monomer is the same, the heating efficiency can be improved by more than 10% by adopting the design mode of the microwave heater, correspondingly, the energy can be saved by more than 10%, and the specific reason is mainly that the mode is adopted to combine the position relation between the microwave heater monomer and wood, so that the effect of energy uniform distribution is better, dead corners are basically not generated, and the repeated overlapping area is relatively less.

3. This application need not restrict the reason that the wind pressure formed in fact, as long as can form a unidirectional wind can, it can be with wind direct action on timber to can play rapid moisture content, impurity and thermal effect of taking away, accomplish holistic drying operation then, the characteristics that adopt the air knife are that air knife self structure is simple relatively, and can carry out different slice open-ended designs as required, make the characteristics that accord with the timber of processing that can be better.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic structural diagram of the present application.

Fig. 2 is a schematic structural diagram with a lead-out pipe.

Fig. 3 is a schematic structural diagram of a microwave module.

Fig. 4 is a schematic structural view of the feeding section.

Fig. 5 is a schematic structural view of the side of the feeding portion.

Fig. 6 is a schematic structural diagram of two sets of drying and dehumidifying units.

Detailed Description

In order to clearly explain the technical features of the present solution, the present application will be explained in detail through the specific embodiments below.

The present application is actually a device for rapidly dehumidifying and drying wood, and the using method is also a using method depending on the device, so the specific structure is explained by the following embodiments.

As shown in fig. 1-6, a rapid dehumidifying and drying device for wood comprises a dehumidifying and drying unit 1, wherein the dehumidifying and drying unit 1 comprises a heating mechanism 2 and a moving-out mechanism 3 which are adjacently arranged; the heating mechanism 2 comprises a heating shell 4, a heating cavity 5 for containing wood is arranged in the heating shell 4, and a microwave heater 6 facing the heating cavity 5 is arranged on the heating shell 4; the shifting-out mechanism 3 comprises a shifting-out cavity 7, wind pressure 8 is arranged in the shifting-out cavity 7, and a shifting-out channel is arranged on the shifting-out cavity 7; the heating case 4 and the removing mechanism 3 are provided therein with a feeding portion 9, respectively. The feeding part 9 comprises a chain plate 10 which is annularly arranged, the chain plate 10 comprises a single body 11 which is clamped and arranged, power chains 12 are fixedly arranged on two sides of the chain plate 10 respectively, support rods 13 are arranged between the power chains 12, the support rods 13 are sleeved with the single body 11, conveying rollers 14 are arranged at two ends of the chain plate 10 respectively, the chain plate 10 is sleeved on the conveying rollers 14, at least one conveying roller 14 is in power connection with a power motor (not shown in the figure), driving gears 16 are arranged on two sides of each conveying roller 14 respectively, and the power chains 12 are matched with the driving gears 16; the single body 11 comprises a single body 17, a plurality of connectors 18 are arranged on two sides of the single body 17, a plurality of connecting holes 19 for penetrating the supporting rod 13 are formed in the connectors 18, and the connectors 18 of the adjacent single bodies 17 are alternately inserted and arranged. The upper side, the lower side, the left side and the right side of the heating shell 4 are all provided with microwave modules 20 consisting of microwave heaters 6, of course, the microwave modules 20 can be arranged on one surface, two surfaces or three surfaces, and the microwave modules 20 are arranged at intervals according to the distance of 500mm from top to bottom and from left to right; the removal channel comprises a water vapor lead-out channel 21 located above and a foreign matter lead-out channel 22 located below. The microwave module 20 comprises not less than 4 microwave heaters 6, and the emitting heads of the microwave heaters 6 are rectangular; the microwave module 20 comprises a first heater 23, a second heater 24, a third heater 25 and a fourth heater 26 which are arranged in a ring shape; the long axis of the first heater 23 is perpendicular to the long axes of the second heater 24 and the fourth heater 26; the long axis of the third heater 25 is vertical to the long axes of the second heater 24 and the fourth heater 26, and the center connecting line of the first heater 23, the second heater 24, the third heater 25 and the fourth heater 26 is square; the centers of the first heater 23, the second heater 24, the third heater 25 and the fourth heater 26 are provided with a central heater 27, the emission head of the central heater 27 is square, and the first heater 23, the second heater 24, the third heater 25, the fourth heater 26 and the central heater 27 are all heaters with the same power; the first heater 23 and the third heater 25 are arranged to be inclined away from each other by an angle of 30-40 °; the second heater 24 and the fourth heater 26 are arranged obliquely away from each other at an angle of 30-40 °; the central heater 27 is oriented vertically downward. The heating mechanism 2 is provided with heating opening/closing doors 28 on both sides thereof, and the removal mechanism 3 is provided with removal opening/closing doors 29 on both sides thereof. The wind pressure 8 comprises a plurality of wind pressure cylinders 30, and the wind pressure cylinders 30 are formed by a plurality of wind knives arranged on the inner wall of the shift-out cavity 7; the air knife is arranged at the upper part of the moving-out cavity 7. The air knife comprises a leading-out pipeline 31 fixedly connected with the inner wall of the moving-out cavity 7, a plurality of flaky openings facing the inside of the moving-out mechanism 3 are arranged on the leading-out pipeline 31, and the leading-out pipeline 31 is connected with a vortex booster fan (not shown in the figure) through a connecting pipeline; the outlet duct 31 is perpendicular to the feed direction of the feed section 9.

The following detailed description was used to examine the effect.

(1) The first heater 23, the second heater 24, the third heater 25 and the fourth heater 26 are set to be 30 degrees, wood with the water content of 55wt% and phi of 110mm is placed in the heating mechanism 2, and then is placed in the moving-out mechanism 3 after passing through the heating mechanism 2;

in the heating mechanism 2, the wood is placed in the feeding part 9, then the wood is placed in the heating shell 4, and then the heating is carried out by the microwave heater 6; in the heating mechanism 2, the operation temperature is 80 ℃, and the heating time is 8min;

in the moving-out mechanism 3, firstly, the wood is moved into the moving-out mechanism 3 from the heating mechanism 2, then the temperature is reduced and the impurities are removed by utilizing the wind pressure 8, and the wood is moved out from the moving-out channel. In the moving-out mechanism 3, the wind speed of the wind knife is 40m/s, and the wind pressure is 8min. The moisture content of the wood obtained was 16wt%.

(2) The first heater 23, the second heater 24, the third heater 25 and the fourth heater 26 are set to 40 degrees, the wood with 105mm phi and the water content of 57wt% is placed in the heating mechanism 2, and is placed in the removing mechanism 3 after passing through the heating mechanism 2;

in the heating mechanism 2, the wood is placed in the feeding part 9, then the wood is placed in the heating shell 4, and then the heating is carried out by the microwave heater 6; in the heating mechanism 2, the operation temperature is 70 ℃, and the heating time is 12min;

in the removing mechanism 3, the wood is firstly moved into the removing mechanism 3 from the heating mechanism 2, then is cooled and decontaminated by the wind pressure 8, and is removed from the removing channel. In the moving-out mechanism 3, the wind speed of the wind knife is 30m/s, and the wind pressure is 8min. The moisture content of the wood obtained was 15wt%.

For the microwave heaters 6, all were set in a vertical arrangement, and then the following drying test was performed:

(3) Putting the wood with the water content of 55wt% and the diameter of 112mm into a heating mechanism 2, and putting the wood into a moving-out mechanism 3 after passing through the heating mechanism 2;

in the removing mechanism 3, the wood is firstly moved into the removing mechanism 3 from the heating mechanism 2, then is cooled and decontaminated by the wind pressure 8, and is removed from the removing channel. In the moving-out mechanism 3, the wind speed of the wind knife is 30m/s, and the wind pressure is 8min. The moisture content of the wood obtained was 28wt%.

For the microwave heaters 6, the microwave heater 6 in the middle was deactivated, and then the following drying test was performed:

(4) The first heater 23, the second heater 24, the third heater 25 and the fourth heater 26 are set to be 40 degrees, wood with the water content of 58wt% and phi of 109mm is placed in the heating mechanism 2, and then is placed in the moving-out mechanism 3 after passing through the heating mechanism 2;

in the moving-out mechanism 3, firstly, the wood is moved into the moving-out mechanism 3 from the heating mechanism 2, then the temperature is reduced and the impurities are removed by utilizing the wind pressure 8, and the wood is moved out from the moving-out channel. In the moving-out mechanism 3, the wind speed of the wind knife is 30m/s, and the wind pressure is 8min. The moisture content of the wood obtained was 25wt%.

In addition to this, the number of the drying and dehumidifying units 1 may be set to two, that is, the heating means 2-the removing means 3-the heating means 2-the removing means 3.

(5) The first heater 23, the second heater 24, the third heater 25 and the fourth heater 26 are set to 40 degrees, the wood with the water content of 56wt% and the diameter of 160mm is placed in the heating mechanism 2, and the wood is placed in the removing mechanism 3 after passing through the heating mechanism 2;

in the removing mechanism 3, the wood is firstly moved into the removing mechanism 3 from the heating mechanism 2, then is cooled and decontaminated by the wind pressure 8, and is removed from the removing channel. In the moving-out mechanism 3, the wind speed of the wind knife is 40m/s, and the wind pressure is 8min. And then enters the next heating mechanism 2-the removing mechanism 3. The moisture content of the wood obtained was 12wt%.

(6) The first heater 23, the second heater 24, the third heater 25 and the fourth heater 26 are set to be 40 degrees, wood with the water content of 51wt% and phi 162mm is placed in the heating mechanism 2, and is placed in the moving-out mechanism 3 after passing through the heating mechanism 2;

in the removing mechanism 3, the wood is firstly moved into the removing mechanism 3 from the heating mechanism 2, then is cooled and decontaminated by wind pressure, and is removed from the removing channel. In the moving-out mechanism 3, the wind speed of the wind knife is 30m/s, and the wind pressure time is 12min. And then enters the next heating mechanism 2-removing mechanism 3. The moisture content of the wood obtained was 10wt%.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art to which the present application pertains. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. The utility model provides a timber is drying device that dehumidifies fast which characterized in that: the drying and dehumidifying device comprises a plurality of drying and dehumidifying units, wherein each drying and dehumidifying unit comprises a heating mechanism and a moving-out mechanism which are adjacently arranged;

the heating shell and the moving-out mechanism are respectively provided with a feeding part;

the upper side and/or the lower side and/or the left side and/or the right side of the heating shell are/is provided with microwave modules consisting of microwave heaters;

heating opening and closing doors are respectively arranged on two sides of the heating mechanism, and moving-out opening and closing doors are respectively arranged on two sides of the moving-out mechanism.

2. The wood rapid dehumidifying and drying device according to claim 1, wherein: the feeding part comprises chain plates which are annularly arranged, each chain plate comprises a single body which is clamped and connected, power chains are fixedly arranged on two sides of each chain plate respectively, a support rod is arranged between the power chains, the support rods are sleeved with the single bodies, conveying rollers are arranged at two ends of each chain plate respectively, the chain plates are sleeved on the conveying rollers, at least one conveying roller is in power connection with a power motor, driving gears are arranged on two sides of the conveying rollers respectively, and the power chains are matched with the driving gears; the monomer includes the monomer body, is equipped with a plurality of connectors in the both sides of monomer body, is equipped with a plurality of connecting holes that are used for wearing to establish the bracing piece on the connector, and cartridge setting in turn between the connector of adjacent monomer body.

3. The wood rapid dehumidifying and drying device according to claim 1, wherein: the removing channel comprises a water vapor outlet channel positioned above and an impurity outlet channel positioned below.

4. The wood rapid dehumidifying and drying device according to claim 1, wherein: the microwave module comprises at least 4 microwave heaters, and emitting heads of the microwave heaters are rectangular; the microwave module comprises a first heater, a second heater, a third heater and a fourth heater which are annularly arranged; the long axis of the first heater is vertically arranged with the long axes of the second heater and the fourth heater; the long axis of the third heater is perpendicular to the long axes of the second heater and the fourth heater, and the centers of the first heater, the second heater, the third heater and the fourth heater are connected to form a square; the centers of the first heater, the second heater, the third heater and the fourth heater are provided with central heaters, and the emitting heads of the central heaters are square;

the first heater and the third heater are arranged in an inclined way in the direction deviating from each other, and the inclined angle is 30-40 degrees; the second heater and the fourth heater are arranged in an inclined mode towards the direction deviating from each other, and the inclined angle is 30-40 degrees; the direction of the central heater is vertically arranged downwards.

5. The wood rapid dehumidifying and drying device according to claim 1, wherein: the wind pressure comprises a plurality of wind pressure cylinders, and the wind pressure cylinders are formed by a plurality of wind knives arranged on the inner wall of the shift-out cavity; the air knife is arranged at the upper part of the shifting-out cavity.

6. The wood rapid dehumidifying and drying device according to claim 5, wherein: the air knife comprises a leading-out pipeline fixedly connected with the inner wall of the shifting-out cavity, a plurality of flaky openings facing the interior of the shifting-out mechanism are arranged on the leading-out pipeline, and the leading-out pipeline is connected with a vortex booster fan through a connecting pipeline; the export pipeline is perpendicular to the feed direction of feed portion.

7. The wood rapid dehumidifying and drying apparatus according to claim 1, wherein: the number of the drying and dehumidifying units is not less than two.