CN111854390A - A kind of dryer for corrugated paper processing and operation method thereof - Google Patents

Abstract

The invention belongs to the technical field of corrugated paper processing, in particular to a dryer for corrugated paper processing, comprising a frame, a conveyor belt is arranged on the frame, an oven is arranged on the frame, and inner walls on both sides of the oven are There are rectangular holes on the top, the frame and the conveyor belt pass through the two rectangular holes, one side of the oven is provided with a drying mechanism, the drying mechanism includes a heating mechanism and a blower, and the top of the heating mechanism A first duct and a second duct are provided, one end of the first duct away from the heating mechanism runs through the oven, a third duct is arranged on the top of the oven, and an air inlet and an air outlet are provided on the blower. After drying the corrugated base paper, the invention can flatten the corrugated base paper deformed after baking, so as to facilitate the subsequent die-cutting, greatly improve the reduction of die-cutting efficiency, and effectively improve the qualified rate of products .

Description

A kind of dryer for corrugated paper processing and operation method thereof

technical field

The invention relates to the technical field of corrugated paper processing, in particular to a dryer for corrugated paper processing and an operation method thereof.

Background technique

Corrugated base paper is one of the important components in the production of corrugated board. Corrugated base paper requires good fiber bonding strength. Corrugated base paper is one of the important components of corrugated board production. Corrugated base paper requires good fiber bonding strength, smooth paper surface, and good quality. The tightness and stiffness of the cardboard are required to have a certain degree of elasticity to ensure that the produced carton has shock resistance and pressure resistance. The most widely used packaging products, the dosage has always been the first of all kinds of packaging products; for more than half a century, corrugated boxes have gradually replaced wooden boxes and other transportation packaging containers with their superior performance and good processing performance, becoming the most important transportation packaging. main force.

Existing corrugated base paper drying equipment generally adopts hot air drying or boiler steam drying technology, which consumes a lot of energy, has low heat utilization efficiency, and easily causes environmental pollution; during the drying process, it is impossible to reduce the amount of heat input from the outside according to the corrugated base paper. The cleanliness in the warm air, and at the same time, the hot air after drying the corrugated base paper contains moisture. If the moisture with heat is directly discharged, the waste heat will not be used, resulting in waste of resources. When baking corrugated paper, the corrugated base paper is often deformed, which is inconvenient for subsequent die-cutting. Even if the warped and deformed corrugated paper is barely die-cut, it will reduce the die-cutting efficiency and even damage the cutting equipment. The qualified rate of the product is not high.

Therefore, we propose a dryer for corrugated paper processing and its operation method to solve the above problems.

SUMMARY OF THE INVENTION

In order to achieve the above purpose, the present invention adopts the following technical solutions: a dryer for corrugated paper processing and an operation method thereof, a dryer for corrugated paper processing, including a frame, and the frame is provided with Conveyor belt, the frame is provided with an oven, the inner walls of both sides of the oven are provided with rectangular holes, the frame and the conveyor belt pass through the two rectangular holes, one side of the oven is provided with a drying mechanism, so The drying mechanism includes a heating mechanism and a blower, the top of the heating mechanism is provided with a first conduit and a second conduit, the end of the first conduit away from the heating mechanism runs through the oven, and the top of the oven is provided with a first conduit. Three ducts, the blower is provided with an air inlet and an air outlet, the ends of the second duct and the third duct that are close to each other are connected to the air outlet and the air inlet of the blower respectively, and the bottom of the oven is provided with a fourth duct and the fifth conduit, the fourth conduit is communicated with the fifth conduit, and one end of the fourth conduit close to the first conduit is communicated with the heating mechanism.

Preferably, first fixing holes are opened on the inner walls of the top and bottom of the oven, and the ends of the first conduit and the fourth conduit that are close to each other respectively pass through the corresponding first fixing holes and are connected with the corresponding first fixing holes. The inner walls are fixedly connected, the ends of the first conduit and the second conduit that are close to each other are connected with a first nozzle, the top and bottom inner walls of the oven are both provided with second installation holes, and the second conduit and the fifth conduit are close to each other One end respectively penetrates the corresponding second installation hole and is fixedly connected with the inner wall of the corresponding second installation hole, and the ends of the second conduit and the fifth conduit close to each other are fixedly installed with a second nozzle.

Preferably, the heating mechanism includes a box body, the top and bottom inner walls of the box body are both provided with third installation holes, and the ends of the first conduit and the fourth conduit that are close to each other respectively penetrate the corresponding third installation holes The first conduit and the fourth conduit are respectively fixedly connected to the inner wall of the corresponding third installation hole, the inner wall of one side of the box body is fixedly installed with an electric heating pipe, and the surrounding inner wall of the box body is fixedly installed with the same A partition, the side of the partition away from the electric heating pipe is fixedly installed with a sloping plate, the side of the oblique plate away from the partition is fixedly connected to the inner wall of one side of the box body, and the inner wall of one side of the box body is fixed on the side A condenser pipe is installed, the condenser pipe is located above the inclined plate, a negative pressure fan is fixedly installed on the bottom inner wall of the box, and the negative pressure fan is located on the side of the partition plate away from the electric heating pipe. An air inlet hole is opened, an air inlet end and an air outlet end are arranged on the negative pressure fan, and the air outlet end of the negative pressure fan is communicated with the air inlet hole.

Preferably, a stage is connected to one side of the frame, and three sets of flattening mechanisms are arranged on the stage. The flattening mechanism includes two vertical plates, and the bottoms of the two vertical plates are the same as the top of the table. Fixed connection, the same first guide roller is rotated and installed on the side of the two vertical plates that are close to each other, and the same horizontal plate is fixedly installed on the top of the two vertical plates. The inner threaded sleeve penetrates the horizontal plate, the inner threaded sleeve is internally threaded with a screw rod, the bottom end of the screw rod extends to the outside of the inner threaded sleeve and is fixedly installed with a mounting bracket, and the side of the mounting brackets that are close to each other The same second guide roller is rotatably installed.

Preferably, a plurality of ventilation holes and air inlets are opened on the inner wall of one side of the box body close to the condensation pipe, the air inlets are located below the inclined plate, and the plurality of ventilation holes are located above the inclined plate, and the partition The board is provided with a plurality of guide holes, and the plurality of guide holes are located above the inclined plate.

Preferably, a rotation hole is formed on the horizontal plate, the inner threaded sleeve penetrates the rotation hole, a bearing is arranged in the rotation hole, the outer ring of the bearing is fixedly connected with the inner wall of the rotation hole, and the bearing The inner ring fixing sleeve is arranged on the inner thread sleeve.

Preferably, two telescopic rods are fixedly installed at the bottom of the horizontal plate, and the bottom ends of the two telescopic rods are both fixedly connected to the top of the mounting frame.

Preferably, the conveyor belt is provided with a plurality of square ventilation holes.

The present invention also provides an operation method for corrugated paper processing, comprising the following steps:

①Place the corrugated base paper on the conveyor belt, and then enter the oven through the conveyor belt;

②Start the negative pressure fan and the electric heating pipe, the negative pressure fan blows the heat generated by the electric heating pipe into the first conduit and the fourth conduit through the air inlet, and the heat is transported into the oven through the first conduit and the fourth conduit, and at the same time The heat in the first conduit and the fourth conduit is sprayed out through the two first nozzles, so that the heat can dry the corrugated base paper on the conveyor belt;

③At the same time of baking the corrugated base paper, start the blower, and the blower transmits the water vapor in the oven into the second duct through the third duct, and the water vapor enters the box through the second duct, and starts the condenser pipe at the same time, so condensation The pipe can condense the water vapor into small water droplets and drip onto the inclined plate, and then discharge through the ventilation holes on the inner wall of the box. The catheter is re-delivered into the oven;

④ After the dried corrugated base paper passes through three sets of flattening mechanisms, the deformation of the corrugated base paper in the drying room can be eliminated.

Compared with the prior art, the beneficial effect of the present invention is: the device can dry the corrugated base paper by the heat of the reciprocating cycle, so as to avoid foreign unclean air from entering the oven, thereby improving the dehumidification and drying of the corrugated base paper. The cleanliness of the process can prevent the external dust from contaminating the corrugated base paper. At the same time, by drying the upper and lower sides of the corrugated paper at the same time, the drying efficiency can be improved. At the same time, it can effectively absorb the heat generated by baking the corrugated base paper. The high-temperature water vapor in the oven is absorbed, so that the hot air in the high-temperature water vapor can be dehumidified and recycled, which greatly saves the waste of resources.

After drying the corrugated base paper, the invention can flatten the corrugated base paper deformed after baking, so as to facilitate the subsequent die-cutting, greatly improve the reduction of die-cutting efficiency, and effectively improve the qualified rate of products .

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of a kind of dryer for corrugated paper processing proposed by the present invention;

Fig. 2 is a three-dimensional schematic diagram of a drying mechanism in a dryer for corrugated paper processing proposed by the present invention;

FIG. 3 is a partial frontal cross-sectional structural schematic diagram of a dryer for corrugated paper processing proposed by the present invention;

Fig. 4 is a front sectional structural schematic diagram of a heating mechanism in a dryer for corrugated paper processing proposed by the present invention;

FIG. 5 is a three-dimensional disassembled structural schematic diagram of a flattening mechanism in a dryer for corrugated paper processing proposed by the present invention.

In the figure: 1, rack; 2, conveyor belt; 3, oven; 4, drying mechanism; 401, heating mechanism; 40101, box body; 40102, third installation hole; 40103, electric heating pipe; 40105, negative pressure fan; 40106, air inlet; 40107, condensation pipe; 40108, inclined plate; 402, first conduit; 403, fourth conduit; 404, second conduit; 405, fifth conduit; 406, blower; 407, the third conduit; 408, the first fixing hole; 409, the first nozzle; 410, the second nozzle; 411, the second installation hole; 5, the stand; 6, the flattening mechanism; 601, the vertical plate; 602, 603, horizontal plate; 604, internal thread sleeve; 605, screw; 606, mounting frame; 607, second guide roller.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Example

Referring to FIGS. 1-5 , a dryer for corrugated paper processing is proposed in this embodiment, including a frame 1 , a conveyor belt 2 on the frame 1 , an oven 3 on the frame 1 , and two parts of the oven 3 . The side inner walls are provided with rectangular holes. The frame 1 and the conveyor belt 2 pass through the two rectangular holes. One side of the oven 3 is provided with a drying mechanism 4. The drying mechanism 4 includes a heating mechanism 401 and a blower 406. The heating mechanism 401 A first duct 402 and a second duct 404 are arranged on the top of the oven 3, the end of the first duct 402 away from the heating mechanism 401 runs through the oven 3, the top of the oven 3 is provided with a third duct 407, and the blower 406 is provided with an air inlet and an air outlet , the ends of the second duct 404 and the third duct 407 that are close to each other are communicated with the air outlet and the air inlet of the blower 406 respectively, and the bottom of the oven 3 is provided with a fourth duct 403 and a fifth duct 405. The fourth duct 403 and the fifth duct 405 The conduit 405 is in communication, and one end of the fourth conduit 403 close to the first conduit 402 is in communication with the heating mechanism 401 .

The top and bottom inner walls of the oven 3 are both provided with first fixing holes 408 , and the ends of the first conduit 402 and the fourth conduit 403 that are close to each other respectively penetrate the corresponding first fixing holes 408 and correspond to the inner walls of the first fixing holes 408 Fixed connection, the ends of the first conduit 402 and the second conduit 404 close to each other are connected with a first nozzle 409, the top and bottom inner walls of the oven 3 are provided with a second mounting hole 411, the second conduit 404 and the fifth conduit 405 The ends close to each other respectively penetrate the corresponding second installation holes 411 and are fixedly connected with the inner walls of the corresponding second installation holes 411, and the ends of the second conduit 404 and the fifth conduit 405 close to each other are fixedly installed with the second nozzle 410 for supplying The thermal mechanism 401 includes a box body 40101. The top and bottom inner walls of the box body 40101 are provided with third mounting holes 40102. The ends of the first conduit 402 and the fourth conduit 403 that are close to each other respectively penetrate the corresponding third mounting holes 40102, and The first conduit 402 and the fourth conduit 403 are respectively fixedly connected with the inner wall of the corresponding third installation hole 40102. The electric heating pipe 40103 is fixedly installed on one inner wall of the box body 40101, and the same one is fixedly installed on the inner wall of the box body 40101. The clapboard 40104, the side of the clapboard 40104 away from the electric heating tube 40103 is fixedly installed with the inclined plate 40108, the side of the inclined plate 40108 away from the clapboard 40104 is fixedly connected with the inner wall of one side of the box 40101, and the inner wall of the box 40101 is on one side. A condenser pipe 40107 is fixedly installed. The condenser pipe 40107 is located above the inclined plate 40108. A negative pressure fan 40105 is fixedly installed on the bottom inner wall of the box 40101. 40104 is provided with an air intake hole 40106, the negative pressure fan 40105 is provided with an air inlet end and an air outlet end, the air outlet end of the negative pressure fan 40105 is connected with the air intake hole 40106, and one side of the rack 1 is connected with a bench 5. There are three groups of flattening mechanisms 6 on the platform 5. The flattening mechanism 6 includes two vertical plates 601. The bottoms of the two vertical plates 601 are fixedly connected to the top of the platform 5. The two vertical plates 601 are close to each other. The same first guide roller 602 is rotatably installed on one side, the top of the two vertical plates 601 is fixedly installed with the same horizontal plate 603, the horizontal plate 603 is rotatably installed with an internal thread sleeve 604, and the internal thread sleeve 604 penetrates the horizontal plate. 603, the inner threaded sleeve 604 is internally threaded with a screw 605, the bottom end of the screw 605 extends to the outside of the inner threaded sleeve 604 and is fixedly installed with a mounting bracket 606, and the side of the mounting brackets 606 close to each other is rotated and installed with the same second. The guide roller 607 and the inner wall of the box 40101 close to the condensation pipe 40107 are provided with a plurality of ventilation holes and air inlets. 40104 is provided with a plurality of guide holes, and the plurality of guide holes are located on the inclined plate 4 Above the 0108, a rotating hole is opened on the horizontal plate 603, the inner threaded sleeve 604 runs through the rotating hole, a bearing is arranged in the rotating hole, the outer ring of the bearing is fixedly connected with the inner wall of the rotating hole, and the inner ring of the bearing is fixedly sleeved inside. On the threaded sleeve 604, two telescopic rods are fixedly installed at the bottom of the horizontal plate 603, and the bottom ends of the two telescopic rods are fixedly connected to the top of the mounting frame 606. The conveyor belt 2 is provided with a plurality of square ventilation holes. The corrugated base paper is dried by the heat of the reciprocating cycle, so that foreign unclean air can be prevented from entering the oven 3, thereby improving the cleanliness of the corrugated base paper in the process of dehumidification and drying, and preventing the external dust from contaminating the corrugated base paper. By drying the upper and lower sides of the corrugated paper at the same time, the drying efficiency can be improved, and at the same time, the heat generated by baking the corrugated base paper can be effectively absorbed, and the high-temperature water vapor in the oven can be absorbed at the same time, so that the high-temperature water vapor can be absorbed. After drying the corrugated base paper, the deformed corrugated base paper can be flattened, which is convenient for subsequent die-cutting and molding, greatly reducing the waste of resources. The efficiency of die cutting is improved, and the qualified rate of products is effectively improved.

Example 1

The specific steps of the production method are as follows:

Place the corrugated base paper on the conveyor belt 2, and then enter the oven 3 through the transmission of the conveyor belt 2;

Example 2

The specific steps of the production method are as follows:

Start the negative pressure fan 40105 and the electric heating pipe 40103, the negative pressure fan 40105 blows the heat generated by the electric heating pipe 40103 into the first duct 402 and the fourth duct 403 through the air inlet 40106, and the heat passes through the first duct 402 and the fourth duct 403. The duct 403 is transported into the oven 3, and the heat in the first duct 402 and the fourth duct 403 is sprayed out through the two first nozzles 409, so that the heat can dry the corrugated base paper on the conveyor belt 2;

Example 3

The specific steps of the production method are as follows:

When the corrugated base paper is baked again, the blower 406 is started, and the blower 406 transmits the water vapor in the oven 3 into the second duct 404 through the third duct 407, and the water vapor enters the box 40101 through the second duct 404, At the same time, start the condensation pipe 40107, so the condensation pipe 40107 can condense the water vapor into small water droplets and drip onto the inclined plate 40108, and then discharge through the ventilation holes on the inner wall of the box 40101, and the excess heat can also pass through the partition plate 40104 The guide holes above are then re-transported into the oven 3 by the first conduit 402 and the fourth conduit 403;

Example 4

The specific steps of the production method are as follows:

After the dried corrugated base paper passes through the three sets of flattening mechanisms 6, the deformation of the corrugated base paper in the drying chamber can be eliminated. The base paper is flattened, and at the same time, the internal thread sleeve 604 can be rotated, and the internal thread sleeve 604 rotates and drives the mounting frame 606 to move up and down through the screw 605, so that the first guide roller 602 and the second guide roller 602 can be adjusted according to the thickness of the corrugated base paper. The distance between the guide rollers 607 can be used to flatten corrugated base paper with different thicknesses.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

Claims (9)

1. A dryer for corrugated paper processing, comprising a frame (1), characterized in that a conveyor belt (2) is provided on the frame (1), and an oven is provided on the frame (1) (3), rectangular holes are opened on both inner walls of the oven (3), the frame (1) and the conveyor belt (2) pass through the two rectangular holes, and one side of the oven (3) is provided with A drying mechanism (4), the drying mechanism (4) includes a heating mechanism (401) and a blower (406), and a first conduit (402) and a second conduit are provided on the top of the heating mechanism (401) (404), one end of the first conduit (402) away from the heating mechanism (401) penetrates the oven (3), a third conduit (407) is provided on the top of the oven (3), and the blower (406) There is an air inlet and an air outlet, and the ends of the second duct (404) and the third duct (407) that are close to each other are respectively communicated with the air outlet and the air inlet of the blower (406). The bottom is provided with a fourth conduit (403) and a fifth conduit (405), the fourth conduit (403) and the fifth conduit (405) communicate with each other, and the fourth conduit (403) is close to the first conduit (402) One end is communicated with the heating mechanism (401). 2. A dryer for corrugated paper processing according to claim 1, wherein the top and bottom inner walls of the oven (3) are provided with first fixing holes (408), and the The ends of a conduit (402) and a fourth conduit (403) that are close to each other respectively penetrate through the corresponding first fixing holes (408) and are fixedly connected to the inner walls of the corresponding first fixing holes (408). The first conduit (402) and The ends of the second conduits (404) that are close to each other are connected with first nozzles (409), the top and bottom inner walls of the oven (3) are provided with second mounting holes (411), and the second conduits (404) ) and the fifth conduit (405) close to each other through the corresponding second mounting holes (411) and are fixedly connected with the inner walls of the corresponding second mounting holes (411), and the second conduit (404) and the fifth conduit ( 405) a second nozzle (410) is fixedly installed at the ends close to each other. 3. A dryer for corrugated paper processing according to claim 1, wherein the heating mechanism (401) comprises a box (40101), the top and the bottom of the box (40101) The inner wall is provided with a third installation hole (40102), the ends of the first conduit (402) and the fourth conduit (403) that are close to each other respectively penetrate through the corresponding third installation hole (40102), and the first conduit (402) ) and the fourth conduit (403) are respectively fixedly connected to the inner wall of the corresponding third installation hole (40102), and an electric heating pipe (40103) is fixedly installed on one inner wall of the box body (40101). The same clapboard (40104) is fixedly installed on the surrounding inner walls of the 40101), and the side of the clapboard (40104) away from the electric heating tube (40103) is fixedly installed with a sloping plate (40108), and the sloping plate (40108) is far from One side of the partition plate (40104) is fixedly connected with the inner wall of one side of the box body (40101), and a condensation pipe (40107) is fixedly installed on the inner wall of one side of the box body (40101). Above the inclined plate (40108), a negative pressure fan (40105) is fixedly installed on the bottom inner wall of the box (40101), and the negative pressure fan (40105) is located on the partition plate (40104) away from the electric heating pipe (40103) On one side, the partition plate (40104) is provided with an air intake hole (40106), the negative pressure fan (40105) is provided with an air inlet end and an air outlet end, and the air outlet of the negative pressure fan (40105) The end communicates with the air inlet hole (40106). 4. A dryer for corrugated paper processing according to claim 1, characterized in that a stand (5) is connected to one side of the frame (1), and a stand (5) is mounted on the stand (5). Three sets of flattening mechanisms (6) are provided, the flattening mechanisms (6) include two vertical plates (601), the bottoms of the two vertical plates (601) are fixedly connected to the top of the platform (5), and the two The same first guide roller (602) is rotatably installed on the side of the vertical plates (601) that are close to each other, and the same horizontal plate (603) is fixedly installed on the tops of the two vertical plates (601). The inner thread sleeve (604) is rotatably installed on the upper part, the inner thread sleeve (604) penetrates the horizontal plate (603), the inner thread sleeve (604) is internally threadedly connected with a screw (605), and the screw (604) The bottom end of 605) extends to the outside of the inner threaded sleeve (604) and is fixedly mounted with a mounting bracket (606), and the same second guide roller (607) is rotatably mounted on one side of the mounting brackets (606) that are close to each other. 5. A dryer for corrugated paper processing according to claim 3, characterized in that, a plurality of ventilation holes and inlets are provided on the inner wall of one side of the box (40101) close to the condensation pipe (40107). The air inlet, the air inlet is located below the inclined plate (40108), and the plurality of ventilation holes are located above the inclined plate (40108), the partition plate (40104) is provided with a plurality of guide holes, and the plurality of guide holes Both are located above the inclined plate (40108). 6. A dryer for corrugated paper processing according to claim 4, characterized in that a rotating hole is formed on the horizontal plate (603), and the inner threaded sleeve (604) passes through the rotating hole, The rotating hole is provided with a bearing, the outer ring of the bearing is fixedly connected with the inner wall of the rotating hole, and the inner ring of the bearing is fixedly sleeved on the inner thread sleeve (604). 7. A dryer for corrugated paper processing according to claim 4, characterized in that, two telescopic rods are fixedly installed at the bottom of the horizontal plate (603), and the bottom ends of the two telescopic rods are The top of the mounting bracket (606) is fixedly attached. 8 . The dryer for corrugated paper processing according to claim 1 , wherein a plurality of square ventilation holes are opened on the conveyor belt ( 2 ). 9 . 9. a kind of operation method for corrugated paper processing, adopts a kind of drying machine for corrugated paper processing described in claim 1-8, is characterized in that, comprises the following steps: ①Place the corrugated base paper on the conveyor belt (2), and then enter the oven (3) through the conveyor belt (2); ②Start the negative pressure fan (40105) and the electric heating pipe (40103), the negative pressure fan (40105) blows the heat generated by the electric heating pipe (40103) into the first conduit (402) and the fourth conduit through the air inlet (40106) In (403), the heat is transported into the oven (3) through the first conduit (402) and the fourth conduit (403), while the heat in the first conduit (402) and the fourth conduit (403) is regenerated. After being sprayed out by the two first nozzles (409), the heat can dry the corrugated base paper on the conveyor belt (2); 3. At the same time of baking the corrugated base paper again, start the blower (406), and the blower (406) transmits the water vapor in the oven (3) into the second duct (404) through the third conduit (407), and the water vapor passes through the second conduit (404). The second conduit (404) enters the box (40101), and at the same time, the condensation pipe (40107) is activated, so that the condensation pipe (40107) can condense the water vapor into small water droplets and drip onto the inclined plate 40108, and then pass through the condensing pipe (40107). The ventilation holes on the inner wall of the box (40101) are exhausted, and the excess heat can also be re-transported into the oven (3) by the first conduit (402) and the fourth conduit (403) through the guide holes on the partition plate (40104). ; ④ After the dried corrugated base paper passes through three sets of flattening mechanisms (6), the deformation of the corrugated base paper in the drying room can be eliminated.

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