CN112393571A

CN112393571A - Energy-saving type partition-free multilayer drying kiln

Info

Publication number: CN112393571A
Application number: CN202011255157.0A
Authority: CN
Inventors: 荆海山; 陶志坚; 熊亮; 程希如; 陈军
Original assignee: Foshan Dlt Technology Co ltd
Current assignee: Foshan Dlt Technology Co ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-02-23

Abstract

The invention discloses an energy-saving type multi-layer drying kiln without partition plates, which comprises a kiln body, wherein a plurality of conveying roller ways are arranged in the kiln body along the up-down direction, the conveying direction of the conveying roller ways is from left to right, blowing pipes are respectively arranged above and below each conveying roller way, the blowing pipes are provided with blowing holes, a ventilation gap is formed between any two adjacent conveying roller ways up and down, the left end and the right end in each ventilation gap are respectively provided with a movable baffle plate, the movable baffle plates extend along the front-back direction, the top sides of the movable baffle plates are rotatably connected in the kiln body, and the rotation axes of the movable baffle plates extend along the front-back direction. The drying efficiency is improved.

Description

Energy-saving type partition-free multilayer drying kiln

Technical Field

The invention relates to a kiln, in particular to an energy-saving type partition-free multilayer drying kiln.

Background

The ceramic is composed of feldspar, quartz, clay and other inorganic minerals, and is manufactured into a product capable of meeting the decoration effect and the use function of people through the processes of raw material preparation, forming, drying, decoration, sintering and the like.

Different from the traditional drying mode of utilizing natural sunshine, the drying mode of heating by fuel or utilizing kiln afterheat and air supply by a fan is generally adopted at present, a drying and firing kiln is high-energy-consumption equipment for ceramic enterprises, the height of a single layer of the traditional dryer exceeds 1200 mm, a double layer exceeds 1100 mm, and even if 3 layers or more are provided, because a partition plate comprising a support frame is arranged between every two layers, the height of the single layer also exceeds 1000 mm. In the using process, the water in the green body is slowly braised for a long time by increasing the positive pressure, so that the drying efficiency is low, and the problems of no electricity and high heat consumption are caused. In terms of height space, due to the fact that the inner height is too large, hot air sprayed out of the air pipe cannot be in quick contact with the blank, heat transfer speed is reduced, and the problems of slow drying, low drying qualified rate and the like are caused.

Disclosure of Invention

The present invention is directed to an energy-saving multi-layer drying kiln without partition, which solves one or more of the problems of the prior art and provides at least one of the advantages.

The solution of the invention for solving the technical problem is as follows:

the utility model provides an energy-saving no baffle multilayer drying kiln, includes the kiln body, be provided with a plurality of rollgang along upper and lower direction in the kiln body, rollgang's direction of delivery is from left to right, every rollgang's top and below are provided with the blowing pipe respectively, be provided with the blowhole on the blowing pipe, arbitrary upper and lower adjacent two ventilation clearance has between the rollgang, every both ends are provided with adjustable fender respectively about in the ventilation clearance, adjustable fender extends along the fore-and-aft direction, adjustable fender's top side rotate connect in the kiln body, adjustable fender's rotation axis extends along the fore-and-aft direction.

The technical scheme at least has the following beneficial effects: the conveying roller way is used for conveying green bricks from left to right in the direction of the drawing, blowing pipes are arranged above and below the conveying roller way, namely blowing hot air is blown to the green bricks from top to bottom through the blowing pipes by peripheral equipment for drying, the movable baffles at the left end and the right end of the ventilation gap can reduce the leakage of the hot air in the ventilation gap from the left end and the right end, the drying effect of the hot air on the green bricks is improved, when the green bricks enter the ventilation gap, the green bricks can jack the movable baffles and enable the movable baffles to turn upwards, after the green bricks enter the ventilation gap, the movable baffles can not be reset under the self gravity action under the thrust of the green bricks, the green bricks form an interlayer structure on the conveying roller way along the up-down direction, the mutual interference of the hot air in the upper ventilation gap and the lower ventilation gap can be reduced, and a plurality of relatively independent drying spaces arranged along the up-down direction are integrally formed, therefore, the interlayer structure is reduced, the height of each layer can be reduced, the heat dissipation of the appearance is reduced, the distance between hot air of the blowing pipe and the green bricks can be shortened, the contact between the hot air and the green bricks is more sufficient, the circulating convection speed in each ventilation gap is accelerated, and the drying efficiency is improved.

As a further improvement of the technical scheme, the bottom side edge of the movable baffle extends rightwards to be provided with a counterweight section. The weight of counter weight section multiplicable adjustable fender self for adjustable fender resets sooner, and the state is also more stable when not receiving thrust, and the counter weight section sets up on adjustable fender's right side simultaneously, produces between counter weight section and the adobe when can avoiding adjustable fender to overturn and interferes, causes the problem that the adobe blockked up.

As a further improvement of the technical scheme, the top side of the movable baffle is rotatably connected to a square pipe, two ends of the square pipe are connected to the inner side wall of the kiln body, a limiting section is arranged on the top side of the movable baffle in a leftward extending mode, and the top surface of the limiting section is abutted to the bottom surface of the square pipe. The adjustable baffle is connected to square pipe, and square pipe is then connected at the inside wall of the kiln body, and it is more convenient to connect, and when adjustable baffle under natural state, because spacing section offsets with square pipe, has restricted square pipe and has overturn left for adjustable baffle can only realize unilateral upset.

As a further improvement of the above technical solution, the roller conveyor located at the topmost side is a first conveying layer, an upper top plate is arranged above the first conveying layer, and the ventilation gap is formed between the upper top plate and the first conveying layer. A ventilation gap is also arranged above the first conveying layer, and movable baffles are also arranged at the left end and the right end of the ventilation gap, so that relatively independent drying spaces are also formed above the conveying roller way positioned at the topmost side.

As a further improvement of the technical scheme, the kiln body comprises a short kiln section and a long kiln section which are connected in sequence, the conveying roller way is formed by extending the short kiln section into the long kiln section, the blowing pipe is located in the long kiln section, a manhole is arranged in the short kiln section, and the movable baffle is arranged between the long kiln section and the short kiln section. The kiln body divide into two parts of short kiln section and long kiln section, is provided with the manhole in the short kiln section, can conveniently overhaul kiln body inside through the manhole, and then has adjustable fender between long kiln section and the short kiln section, can further reduce drying space's scope through this adjustable fender, and is more accurate to temperature regulation control.

As a further improvement of the above technical scheme, an air supply box is arranged in the long kiln section, the two air supply boxes are respectively located on the front side and the rear side of the conveying roller way, the two air supply boxes are arranged in a staggered manner in the front-rear direction, all the blowing pipes are respectively connected to the air supply boxes right opposite to the blowing pipes, and the two air supply boxes are both connected with an air supply fan. The hot blast that supplies in the long kiln section divide into two directions around to the region of blowing from the front side separates each other with the region of blowing from the back side, realizes crisscross air feed, can reduce the difference in temperature in every ventilation gap by a wide margin, further improves the drying effect to the adobe.

As a further improvement of the technical scheme, an air volume adjusting valve is arranged at the joint of the blowpipe and the air supply box. The air blowing quantity from each blowpipe can be better controlled through the air quantity regulating valve, so that the temperature can be more accurately controlled.

As a further improvement of the technical scheme, the kiln body also comprises a heat-insulation outer frame, and the kiln body is positioned in the heat-insulation outer frame. The heat-insulating outer frame can reduce the outward heat dissipation of the kiln body, reduce the energy consumption and improve the heat utilization rate.

As a further improvement of the technical scheme, a dehumidifying interlayer is arranged between the inner bottom surface of the heat-insulating outer frame and the outer top surface of the kiln body, a dehumidifying fan is arranged on the top side of the heat-insulating outer frame, the air inlet end of the dehumidifying fan is communicated with the dehumidifying interlayer, and all the ventilation gaps are respectively communicated with the dehumidifying interlayer. When the dehumidifying fan works, negative pressure is formed inside the dehumidifying interlayer, and air is extracted from the ventilation gap to discharge internal air and take away moisture.

As a further improvement of the technical scheme, the roller conveying table is provided with a roller rod which is rotatably connected to the heat-insulation outer frame, and heat-insulation cotton is arranged at the joint of the roller rod and the heat-insulation outer frame. The heat insulation cotton can reduce the heat loss from the roller rod, and improve the heat utilization rate.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.

FIG. 1 is an elevational view of the overall internal structure of the present invention;

FIG. 2 is an enlarged partial schematic view of A of FIG. 1;

fig. 3 is a side view of the overall internal structure of the present invention.

In the drawings: 100-kiln body, 110-roller conveyor, 111-roller, 120-blowpipe, 130-movable baffle, 131-counterweight segment, 132-spacing segment, 140-upper top plate, 150-air supply box, 160-air volume adjusting valve, 170-square tube, 200-heat preservation outer frame.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.

Referring to fig. 1, 2 and 3, an energy-saving partition-free multilayer drying kiln comprises a kiln body 100, wherein a plurality of rollgang 110 are arranged in the kiln body 100 along the up-down direction, the conveying direction of the rollgang 110 is from left to right, each blowpipe 120 is arranged above and below the rollgang 110, each blowpipe 120 is provided with blowholes, two rollgang 110 which are adjacent up and down are provided with ventilation gaps, each ventilation gap is internally provided with a movable baffle 130 at the left end and the right end, the movable baffle 130 extends along the front-back direction, the top side of the movable baffle 130 is rotatably connected in the kiln body 100, and the rotation axis of the movable baffle 130 extends along the front-back direction.

From the above, the roller conveyor 110 is used for conveying green bricks from left to right in the direction of the figure, the blowing pipes 120 are arranged above and below the roller conveyor 110, that is, the upper and lower sides of the green bricks, hot air is blown to the upper and lower sides of the green bricks by external equipment through the blowing pipes 120 for drying, the movable baffles 130 at the left and right ends of the ventilation gap can reduce the leakage of the hot air in the ventilation gap from the left and right ends, thereby improving the drying effect of the hot air on the green bricks, when the green bricks enter the ventilation gap, the green bricks can jack up the movable baffles 130 and turn the movable baffles 130 upwards, when the green bricks enter the ventilation gap, the movable baffles 130 are reset under the self gravity action without being pushed by the green bricks, the green bricks form a partition structure on the roller conveyor 110 along the upper and lower directions, thereby reducing the mutual interference of the hot air in the upper and lower ventilation gaps, thereby integrally forming a plurality of relatively independent drying spaces arranged along the upper and lower directions, by reducing the interlayer structure, the height of each layer can be reduced, the heat dissipation of the appearance is reduced, and the distance between the hot air of the blowpipe 120 and the green bricks can be shortened, so that the hot air is more fully contacted with the green bricks, the circulating convection speed in each ventilation gap is accelerated, and the drying efficiency is improved.

As a further embodiment of the flapper 130, a weight section 131 is provided extending rightward from the bottom side of the flapper 130. The counter weight section 131 can increase the weight of the movable baffle 130, so that the movable baffle 130 can be reset more quickly, the state is more stable when thrust is not applied, and meanwhile, the counter weight section 131 is arranged on the right side of the movable baffle 130, so that interference between the counter weight section 131 and green bricks can be avoided when the movable baffle 130 overturns, and the problem of green brick blockage is caused.

As a further embodiment of the movable baffle 130, the top side of the movable baffle 130 is rotatably connected to a square pipe 170, two ends of the square pipe 170 are connected to the inner side wall of the kiln body 100, a limiting section 132 is extended leftwards from the top side of the movable baffle 130, and the top surface of the limiting section 132 abuts against the bottom surface of the square pipe 170. The adjustable baffle 130 is connected to the square pipe 170, the square pipe 170 is connected to the inner side wall of the kiln body 100, the connection is more convenient, and when the adjustable baffle 130 is in a natural state, the limit section 132 is abutted against the square pipe 170, so that the square pipe 170 is limited to be turned leftwards, and the adjustable baffle 130 can only be turned on one side.

In practical application, because the distance between the roller conveyor 110 located at the topmost side and the kiln top is relatively large, in this embodiment, the roller conveyor 110 located at the topmost side is a first conveying layer, an upper top plate 140 is arranged above the first conveying layer, and the ventilation gap is formed between the upper top plate 140 and the first conveying layer. Above the first conveyor level, there is also provided a ventilation gap, at the left and right ends of which there are also movable baffles 130, so that a relatively independent drying space is also formed above the topmost conveyor table 110.

In order to further improve the control of the internal temperature of the kiln body 100, in this embodiment, the kiln body 100 includes a short kiln section and a long kiln section which are connected in sequence, the rollgang 110 extends from the short kiln section to the long kiln section, the blowpipe 120 is located in the long kiln section, a manhole is provided in the short kiln section, and the movable baffle 130 is provided between the long kiln section and the short kiln section. The kiln body 100 is divided into a short kiln section and a long kiln section, a manhole is arranged in the short kiln section, the interior of the kiln body 100 can be conveniently overhauled through the manhole, a movable baffle 130 is arranged between the long kiln section and the short kiln section, the range of a drying space can be further reduced through the movable baffle 130, and the control of the temperature is more accurate.

In order to make the temperature distribution in each ventilation gap more uniform, in this embodiment, an air supply box 150 is disposed in the long kiln section, the two air supply boxes 150 are respectively located at the front side and the rear side of the roller conveyor 110, the two air supply boxes 150 are staggered in the front-rear direction, all the blowing pipes 120 are respectively connected to the air supply boxes 150 opposite to the blowing pipes, and the two air supply boxes 150 are all connected to an air supply fan. The hot blast that supplies in the long kiln section divide into two directions around to the region of blowing from the front side separates each other with the region of blowing from the back side, realizes crisscross air feed, can reduce the difference in temperature in every ventilation gap by a wide margin, further improves the drying effect to the adobe.

In some embodiments, an air volume adjusting valve 160 is disposed at the connection between the blowpipe 120 and the air supply box 150. The amount of air blown from each of the blowing pipes 120 can be better controlled by the air volume adjusting valve 160, thereby more precisely achieving control of the temperature.

The invention also comprises a heat-insulating outer frame 200, and the kiln body 100 is positioned in the heat-insulating outer frame 200. The heat-insulating outer frame 200 can reduce the outward heat dissipation of the kiln body 100, reduce the energy consumption and improve the heat utilization rate. The outer layer of the heat preservation outer frame 200 can be composed of a density rock wool board, the area with larger humidity of the inner wall is composed of a stainless steel plate, the area with small humidity is composed of a galvanized plate, the side wall of the heat preservation outer frame 200 is composed of a rock wool board and the inner wall is composed of a specific gravity aluminum silicate fiber board from outside to inside, and the bottom is composed of the rock wool board and a metal plate from outside to inside to form a sealed drying channel.

In this embodiment, a dehumidifying interlayer is disposed between the inner bottom surface of the thermal insulation outer frame 200 and the outer top surface of the kiln body 100, a dehumidifying fan is disposed on the top side of the thermal insulation outer frame 200, an air inlet end of the dehumidifying fan is communicated with the dehumidifying interlayer, and all the ventilation gaps are respectively communicated with the dehumidifying interlayer. When the dehumidifying fan works, negative pressure is formed inside the dehumidifying interlayer, and air is extracted from the ventilation gap to discharge internal air and take away moisture.

In order to further reduce energy consumption, the roller conveyor 110 has a roller 111 rotatably connected to the thermal insulation outer frame 200, and thermal insulation cotton is disposed at a connection position of the roller 111 and the thermal insulation outer frame 200. The heat insulation cotton can reduce the heat loss from the roller rod 111, and the heat utilization rate is improved.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the invention as set forth in the claims appended hereto.

Claims

1. The utility model provides an energy-saving does not have baffle multilayer drying kiln which characterized in that: including the kiln body (100), be provided with a plurality of rollgang (110) along upper and lower direction in the kiln body (100), the direction of delivery of rollgang (110) is from left to right, every the top and the below of rollgang (110) are provided with blowing pipe (120) respectively, be provided with the blowhole on blowing pipe (120), arbitrary upper and lower adjacent two have ventilation gap between rollgang (110), every both ends are provided with adjustable fender (130) respectively about in the ventilation gap, adjustable fender (130) extend along the fore-and-aft direction, the top side of adjustable fender (130) rotate connect in the kiln body (100), the rotation axis of adjustable fender (130) extends along the fore-and-aft direction.

2. The energy saving barrier-free multi-layer drying kiln of claim 1, wherein: the bottom side of the movable baffle (130) extends rightwards to be provided with a counterweight section (131).

3. The energy saving barrier-free multi-layer drying kiln of claim 1, wherein: the top side of adjustable fender (130) rotates to be connected in square pipe (170), the both ends of square pipe (170) connect in the inside wall of the kiln body (100), the top side of adjustable fender (130) extends left and is provided with spacing section (132), the top surface of spacing section (132) with the bottom surface of square pipe (170) offsets.

4. The energy saving barrier-free multi-layer drying kiln of claim 1, wherein: the conveying roller way (110) located at the top side is a first conveying layer, an upper top plate (140) is arranged above the first conveying layer, and the ventilation gap is formed between the upper top plate (140) and the first conveying layer.

5. The energy saving barrier-free multi-layer drying kiln of claim 1, wherein: the kiln body (100) is including the short kiln section and the long kiln section that connect gradually, rollgang (110) by the short kiln section extends to in the long kiln section, blowing pipe (120) are located in the long kiln section, be provided with the manhole in the short kiln section, the long kiln section with be provided with between the short kiln section adjustable fender (130).

6. The energy saving barrier-free multi-layer drying kiln of claim 5, wherein: air supply boxes (150) are arranged in the long kiln section, the two air supply boxes (150) are respectively located on the front side and the rear side of the conveying roller way (110), the two air supply boxes (150) are arranged in a staggered mode in the front-rear direction, all the blowing pipes (120) are respectively connected to the air supply boxes (150) right opposite to the blowing pipes, and the two air supply boxes (150) are all connected with air supply fans.

7. The energy saving barrier-free multi-layer drying kiln of claim 6, wherein: and an air volume adjusting valve (160) is arranged at the joint of the blowing pipe (120) and the air supply box (150).

8. The energy saving barrier-free multi-layer drying kiln of claim 1, wherein: the kiln body (100) is positioned in the heat-preservation outer frame (200).

9. The energy saving barrier-free multi-layer drying kiln of claim 8, wherein: a dehumidifying interlayer is arranged between the inner bottom surface of the heat-insulating outer frame (200) and the outer top surface of the kiln body (100), a dehumidifying fan is arranged on the top side of the heat-insulating outer frame (200), the air inlet end of the dehumidifying fan is communicated with the dehumidifying interlayer, and all the ventilation gaps are respectively communicated with the dehumidifying interlayer.

10. The energy saving barrier-free multi-layer drying kiln of claim 8, wherein: the conveying roller way (110) is provided with a roller rod (111) which is rotatably connected to the heat-insulating outer frame (200), and heat-insulating cotton is arranged at the joint of the roller rod (111) and the heat-insulating outer frame (200).