CN104654769B - A kind of self-checking device of dry drying room controllable heating supply air system - Google Patents

Abstract

The invention relates to a heating and air supply device for wood, medicine, food, chemical products, and a large-scale hot air drying and drying room. Pulleys (12) protrude outward from the lower end of a rectangular fan frame (1) and are embedded in channel steel guide rails (13). Inside, the lifting lugs (10) are respectively fixed on the left and right sides of the upper end of the rectangular fan frame (1). On the top wall (11) of the drying room, the lifting lugs (10) protrude short support shafts towards each other, and one of the four short support shafts is connected with the reducer (7), the winding motor (6), the friction wheel It is a roller (8), and the upper surface of the lower cross plate of the I-beam guide rail (9) contacting with this roller (8) is a friction strip. The invention can adjust the range of the airflow sent by the fan in the drying room and the distance between the fan and the vertical air supply channel according to the drying process requirements, so as to achieve the best match, make the material dry more evenly, greatly reduce power consumption, and reduce operating costs and drying costs .

Description

An automatic adjustment device for adjustable heating and air supply system in drying room

technical field

The invention relates to the field of drying materials such as wood, medicine, food, chemical products, agricultural by-products, etc., and is especially suitable for the automatic adjustment of the adjustable heating and air supply system of a drying room in various types of top fan type hot air drying rooms device.

Background technique

Energy conservation and environmental protection are the basic national policies of our country and the basic guarantee for the sustainable development of human society. Hot air drying and drying rooms are the most used drying equipment in wood processing enterprises, and energy consumption accounts for 40%-70% of the total energy consumption of enterprises. Therefore, drying rooms Technological innovation is of great significance to energy saving, consumption reduction and product quality improvement. The circulation characteristics of the hot air flow of the drying medium in the drying room, especially the uniformity of the circulation air velocity distribution is one of the important factors affecting the drying quality, and it is also the main technical index to measure the performance of wood drying equipment. According to the drying process requirements of different materials, there must be a circulating hot air flow in the drying room that can set the temperature, humidity and air supply speed according to the drying process requirements. When the hot air flow evenly blows over the surface of the material to be dried, the material is evenly dried dry. In order to ensure the drying quality of the wood, it is necessary to make the air flow ejected by the fan just reach the top of the vertical air supply channel inside the door of the drying room, and then be guided by the arc-shaped deflector at the top of the door of the drying room at 90° and turn downward into the large air duct. Vertical air duct. Because when the position of the fan is fixed, the range of the air flow sent by the fan is too long or too short, which will cause the following problems: First, when the range of the air flow is too long, the air flow hits the wall on the door of the drying room and causes energy loss due to impact; When the range is too short, part of the airflow has fallen on the upper plate in the upper right corner of the wood stack before reaching the vertical air supply duct, causing airflow disturbance and energy loss. It can be seen that the range of the airflow and the fan to the vertical air supply duct should be adjusted and controlled. It is very important to match the distance between them. Therefore, the present invention installs an automatic adjustment device that can control the heating and air supply system on the upper part of the drying room, which can realize the automatic adjustment of the rectangular fan frame as a whole moving back and forth, so that the range of the airflow sent by the fan matches the distance between the fan and the vertical air supply duct. .

The hot air drying oven has a large rectangular box-like cubic structure in shape. The oven has a height of 5 meters, a length of 4.5-10.0 meters, and a width of 6.0-8.0 meters, as shown in FIG. 2 .

As shown in Figure 3, the air flow is powered by the fan, and the air supply speed is regulated by the guiding air supply device. After being heated by the radiator, the hot air flow is formed, and the hot air flows through the arc-shaped deflector at the top of the drying room door at 90° Guide down and turn into the vertical air supply channel inside the door of the drying room, and then turn to the horizontal side air supply through 90°, pass through the gap of the wood stack of the dried material, flow through the upper and lower surfaces of the wood, and reach the left vertical side of the wood stack. The return air duct flows into the fan suction port after turning 90° at the upper left corner of the drying room, and the dry air flow completes the clockwise circulation. "Adjustable and guided air supply system for drying room", the inventor obtained the invention patent in 2005, patent number: ZL200510024874.1; "A heating and air supply device for large hot air drying room", obtained by the inventor in 2013 Invention patent application, patent number: 201310217468.1, is being announced. Two patented technologies have been promoted and applied.

The guided air supply device of the invention patent "Adjustable Guided Air Supply System for Drying Room" is shown in Figures 4 and 5. According to different drying process requirements, the cross-sectional area of the air outlet and The jet angle is used to adjust and control the speed of the airflow, so that the airflow of the rectangular air outlet is ejected horizontally in the way of attached jet. The moving device of the invention patent "A Heating and Air Supply Device for a Large-scale Hot Air Drying Room" is shown in Figure 6. The vertical rectangular fan support frame is placed on a horizontal rectangular moving frame as a base, and the horizontal rectangular moving frame is moved on the base. Two small wheels are arranged on each side of the frame, and the small wheels are embedded in the guide rails on both sides to realize the front and rear movement adjustment of the rectangular mobile frame. Although this method can adjust the distance between the fan and the vertical air duct, it has the following defects:

1. Due to the horizontal rectangular moving frame, small wheels and guide rails and other devices under the supporting frame of the fan, the height of the technical layer where the fan is placed on the top floor of the drying room is increased, that is, the overall height of the drying room is increased, and the energy consumption and the heating of the drying room are increased. Envelope materials are increased.

2. The movement of the supporting frame of the fan must be adjusted before the drying room is started. During the drying operation, the operator cannot enter the drying room to adjust with the change of the drying process. The movement of the fan supporting frame in the drying room cannot be controlled by the operator during the entire drying operation The personnel are fully in control, and the airflow jet cannot reach the best state, which seriously affects the drying efficiency.

This field urgently hopes to have improvement, the measure of solution.

Contents of the invention

The purpose of the present invention is to overcome the shortcomings caused by the range of the airflow sent by the fan that cannot match the distance between the fan and the vertical air supply channel as the drying process changes during the drying operation of the existing drying room, and cannot meet the requirements of the wood drying process. Timely adjust the range of the air flow sent by the fan and the distance between the fan and the vertical air supply channel to affect the efficiency of wood drying.

The purpose of the present invention is achieved by the following technical solutions:

An automatic adjustment device that can regulate the heating and air supply system of a drying room,

Set in the XYZ coordinate system, in the drying room where the height direction is Z, the width direction is X, and the length direction is Y, the wood is stacked from the ground up, and the rectangular fan frame plane on the top of the drying room is located on the YZ coordinate plane, which can be moved along the X The direction moves back and forth, and a heating and air supply system including two left and right fans is configured in the rectangular fan frame, which is characterized in that:

On the YZ coordinate plane:

The lower end of the rectangular fan frame protrudes outward along the left and right sides of the Y direction, and the pulleys are sleeved on the rotating shafts. The pulleys are respectively embedded in the channel steel guide rails on the left and right sides that are opposite to each other. The channel steel guide rails are fixed in the oven. The upper part of the room, the length direction is consistent with the X-axis direction;

On the left and right sides of the upper end of the rectangular fan frame, U-shaped lifting lugs with openings upward are respectively fixed. I-shaped steel guide rails are built into the openings of the lifting lugs, and the two I-shaped steel guide rails are respectively fixed on the oven. On the roof wall, the length direction is consistent with the X-axis direction, and the left and right side plates of the lifting lug respectively protrude from the short support shaft, and the rollers are fixed on the short support shaft, and the two rollers are located in the middle of the I-shaped steel guide rail. Both sides of the plate, and can roll in relative contact with the upper surface of the lower horizontal plate of the I-beam guide rail;

One of the four short support shafts protruding from the two side plates of the lifting lugs on the left and right is connected with the output shaft of the winding motor and reducer fixed on the rectangular fan frame. The rollers fixed on the short support shaft It is a friction wheel, and the upper surface of the lower horizontal plate of the I-beam guide rail in contact with the roller is a friction strip.

With this technical solution, "the two I-steel guide rails are respectively fixed on the top wall of the drying room", ensuring that the rectangular fan frame is installed on the top of the drying room to the maximum extent, and the installation occupies the smallest space, which is beneficial to expand the space for drying wood in the lower part .

Outside the drying room, wired or wireless control the winding motor fixed on the frame of the rectangular fan, and then decelerate through the reducer to rotate a short support shaft connected to the output shaft and a roller fixed on it. The roller contacts The friction strip on the upper surface of the lower horizontal plate of the I-shaped steel guide rail moves relatively. The I-shaped steel guide rail is fixed on the top wall of the drying room and cannot be moved, so that the rectangular fan frame moves back and forth along the X-axis direction, and the best blowing hot air is selected. position, to better improve the dryness of the dried wood.

Further, a partition is set in the middle of the rectangular fan frame, and the two sides are divided into rectangular spaces of equal area, and the fan is placed in the rectangular space.

Further, the channel steel guide rail is fixed on the upper side wall of the drying room.

Further, the roller fixed on the short support shaft is a gear, and the friction strip is a rack.

Further, the lifting lugs on any side, the rollers (8) fixed on the short support shafts protruding from the inner board are friction wheels.

Beneficial effects of the present invention:

1. During the whole drying process, the range of the air flow sent by the fan in the drying room and the distance between the fan and the vertical air supply channel can be adjusted in time according to the requirements of the wood drying process, so as to achieve the best match and make the air flow smooth and smooth The jet flow into the vertical air duct eliminates unfavorable factors such as air collision and turbulence, and improves the drying effect and efficiency.

2. The pulleys and guide rails on both sides of the bottom of the rectangular fan frame are set at the same level as the bottom of the rectangular fan frame, which reduces the technical layer height of the fan on the top floor of the drying room, reduces the energy consumption of the drying room and the investment in the enclosure structure, and improves efficiency. Increase economic benefits.

3. Although the present invention is not complicated in structure and easy to use, it solves and overcomes the long-standing drawbacks and defects in this field, and has remarkable effects. Today, when the country vigorously advocates energy conservation, its creative advantages are particularly prominent.

4. The present invention has simple structure, small investment, can be recycled in a short period of time, and is easy to popularize and use.

Description of drawings

Fig. 1 is an embodiment of the automatic adjustment device of the adjustable heating and air supply system of the drying room of the present invention, which is arranged in the drying room and is a structural view of the YZ section;

Fig. 2 is an embodiment of the automatic adjustment device of the adjustable heating and air supply system of the drying room of the present invention, which is arranged in the drying room, and the three-dimensional structural view of the opening of the entrance and exit door on the wall in the Y direction of the length of the drying room in the XYZ coordinate system ;

Fig. 3 is the structural view of prior art drying chamber in XZ plane;

Fig. 4 is a structural view of the XZ plane of the guiding air supply device;

Fig. 5 is a three-dimensional structural view extending in the Y direction of the drying room of Fig. 2;

Fig. 6 is a structural view of the automatic adjustment device on the XZ plane;

Fig. 7 is an embodiment of the automatic adjustment device of the adjustable heating and air supply system in the drying room of the present invention, a three-dimensional structural view in the XYZ coordinate system;

Fig. 8 is an embodiment of the automatic adjustment device of the adjustable heating and air supply system in the drying room of the present invention, a structural view on the YZ plane;

Fig. 9 is a structural view of the lifting lug part of the present invention on the YZ plane;

Fig. 10 is a structural view of the lifting lug part of the present invention on the XZ plane;

Fig. 11 is the structural view of the channel steel guide rail part of the present invention on the XZ plane;

Fig. 12 is the structural view of the channel steel guide rail part of the present invention on the YZ plane;

Fig. 13 is the structural view of the I-shaped steel guide rail of the present invention on the XZ plane;

Fig. 14 is the structural view of the I-beam guide rail of the present invention on the YZ plane;

Fig. 15 is a structural view on the XZ plane when the I-beam guide rail and the drive wheel of the present invention adopt the rack and pinion meshing form;

Fig. 16 is a structural view of Fig. 15 on the YZ plane;

Fig. 17 is an embodiment of the present invention, showing the position and structure view of the winding type drive motor, reducer, roller, lifting lug, and I-beam guide rail on the YZ plane;

Fig. 18 is a structural view of the rectangular fan frame of the present invention on the YZ plane;

Fig. 19 is a structural view of the rectangular fan frame of the present invention on the XY plane;

Fig. 20 is an embodiment of the present invention, a structural view of the automatic adjustment device of the adjustable heating and air supply system in the drying room on the XZ plane;

FIG. 21 is an embodiment of the present invention, and a structural view of FIG. 20 on the XY plane.

The numbers in the figure represent:

1 rectangular fan frame, 2 fan, 3 fan cover, 4 fan frame, 5 partition, 6 winding motor, 7 reduction box, 8 roller, 9 I-steel guide rail, 10 lifting lug, 11 drying room roof wall, 12 pulleys, 13 channel steel guide rails, 14 side walls of drying room, 15 wood stacking, 16 support shafts, 17 gates, 18 racks, 19 rotating shafts, 20 vertical return air ducts, 21 arc-shaped deflectors, 22 guide conveyors Wind hood, 23 moisture discharge port, 24 radiator, 25 vertical air duct, 26 small wheels, 27 rectangular moving frame, 28 guide rail, 29 hinge, 30 cover wall, 31 deflector flap, 32 stud, 33 fastening nuts.

detailed description

The structure of the present invention will be further described in detail below in conjunction with the accompanying drawings.

An automatic adjustment device that can regulate the heating and air supply system of a drying room,

Set in the XYZ coordinate system, in the drying room where the height direction is Z, the width direction is X, and the length direction is Y, wood is stacked from the ground up, and the rectangular fan frame 1 on the top of the drying room is located on the YZ coordinate plane, which can be moved along Move back and forth in the X direction, and configure a heating and air supply system including two left and right fans in the rectangular fan frame 1 .

On the YZ coordinate plane:

At the lower end of the rectangular fan frame 1, a rotating shaft 19 protrudes from the left and right sides of the Y direction, and the pulley 12 is sleeved on the rotating shaft 19, and the pulley 12 is respectively embedded in the channel steel guide rails 13 opened on the left and right sides. The channel steel guide rail 13 is fixed on the upper part of the drying room, and the length direction is consistent with the X-axis direction; this structure is mainly to prevent the rectangular fan frame 1 from shaking up and down or left and right when moving along the X-axis direction. After all, the rectangular fan frame 1 is equipped with The heating and air supply system of the two fans on the left and right is relatively large in size and heavy in weight, so special measures need to be taken.

The upper left and right sides of the upper end of the rectangular fan frame 1 are respectively fixed with U-shaped lifting lugs 10 with openings upward. The openings of the lifting lugs 10 are built into the I-shaped steel guide rails 9, and the two I-shaped steel guide rails 9 are respectively Fixed on the top wall 11 of the drying room, the length direction is consistent with the X-axis direction. The left and right side plates of the lifting lug 10 protrude from the short support shaft 16 respectively, and the roller 8 is fixed on the short support shaft 16. The rollers 8 are located on both sides of the vertical plate in the middle of the I-shaped steel guide rail 9, and can roll in relative contact with the upper surface of the lower horizontal plate of the I-shaped steel guide rail 9;

One of the four short support shafts 16 protruding from the two side plates of the lifting lug 10 on the left and right is connected with the output shafts of the winding motor 6 and the reducer 7 fixed on the rectangular fan frame 1. Fixed roller 8 on the axle 16 is a friction wheel, and the upper surface of the I-beam guide rail 9 lower horizontal plates that contacts with this roller 8 is a friction strip. The driving power only needs to be provided by one of the four short support shafts 16 .

A partition 5 is arranged in the middle of the rectangular fan frame 1, and the two sides are divided into rectangular spaces of equal area, and the fan 2 is placed in the rectangular space. Symmetrical installation, good stability, and hot air distribution is relatively uniform.

The channel steel guide rail 13 is fixed on the upper side wall 14 of the drying room. When the Y direction of the drying room is not long and just matches the rectangular fan frame 1, the technical solution can simplify the structure of the device, ensure safe installation and be more compact.

The roller 8 fixed on the short support shaft 16 is a gear, and the friction bar is a rack. Gears and racks are the most commonly used, applicable, and easy to obtain, with long service life and friction parts.

The lifting lug 10 on any side, the roller 8 fixed on the short support shaft 16 that the inner board stretches out is a friction wheel. Select the lifting lug 10, the technical scheme of the short support shaft that is positioned at the inner side plate to protrude, can make the overall device structure more compact, simple and reliable.

Claims (5)

1. a self-checking device for dry drying room controllable heating supply air system,

Being located in XYZ coordinate system, be Z in short transverse, width is X, and length direction is in the drying room of Y, from ground up Stacking timber, rectangle blower frame (1) plane at drying room top is positioned at YZ coordinate surface, can move forward and backward in X direction, at rectangle wind In machine frame (1), configuration includes the heating supply air system of left and right two Fans, it is characterised in that:

At YZ coordinate surface:

In the protruding rotating shaft (19) respectively of rectangle blower frame (1) lower end edge Y-direction arranged on left and right sides, rotating shaft is nested with on (19) Pulley (12), described pulley (12) is respectively embedded in the U-bar guide rail (13) of arranged on left and right sides opening in opposite directions, and U-bar guide rail (13) is solid Due to drying room top, length direction is consistent with X-direction；

Rectangle blower frame (1) upper end arranged on left and right sides permanent opening respectively upwards, u-shaped hanger (10), described in hang The opening of ear (10) is built into I-steel guide rail (9), and two described I-steel guide rails (9) are individually fixed in described drying room roof (11) on, length direction is consistent with X-direction, and the left and right sides plate of described hanger (10) stretches out short support shaft the most in opposite directions (16), the upper fixed idler whell (8) of described short support shaft (16), two rollers (8) are positioned at the two of described I-steel guide rail (9) intermediate riser shelf Side, and relatively contact can roll with the upper surface of I-steel guide rail (9) lower cross plate；

One of four short support shafts (16) that hanger (10) biside plate described in left and right two stretches out be fixed on rectangle blower frame (1) upper wound-rotor motor (6), the output shaft of decelerator (7) are connected, and the upper fixing roller (8) of this short support shaft (16) is Friction pulley, the upper surface of I-steel guide rail (9) lower cross plate contacted with this roller (8) is fricting strip.

It is dried the self-checking device of drying room controllable heating supply air system the most according to claim 1, it is characterised in that institute The centre stating rectangle blower frame (1) arranges dividing plate (5), and both sides are divided into the coffin of homalographic, places in coffin Blower fan (2).

It is dried the self-checking device of drying room controllable heating supply air system the most according to claim 1, it is characterised in that institute State U-bar guide rail (13) and be fixed on drying room upper portion side wall (14).

It is dried the self-checking device of drying room controllable heating supply air system the most according to claim 1, it is characterised in that institute Stating the upper fixing roller (8) of short support shaft (16) is gear, and described fricting strip is tooth bar.

It is dried the self-checking device of drying room controllable heating supply air system the most according to claim 1, it is characterised in that appoint Hanger (10) described in meaning side, being positioned in the short support shaft that interior plate stretches out fixing roller (8) is friction pulley.