CN212560918U

CN212560918U - High-efficient drying-machine of papermaking production usefulness

Info

Publication number: CN212560918U
Application number: CN202021037770.0U
Authority: CN
Inventors: 王增东
Original assignee: Jiangsu Tiancheng Paper Industry Co ltd
Current assignee: Jiangsu Tiancheng Paper Industry Co ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-02-19
Anticipated expiration: 2030-06-09

Abstract

A high-efficiency dryer for papermaking production comprises an oven and a conveying mechanism, wherein the conveying mechanism is horizontally arranged at the bottom in the oven, and two ends of the conveying mechanism are respectively connected with a forming machine used in the previous procedure and a dried product storage point; the drying oven is of a steel structure, and waterproof high-temperature-resistant coatings are coated on the inner side and the outer side of the drying oven; the oven is provided with a front oven and a rear oven which are respectively a front oven and a rear oven; the front oven is internally divided into a combustion chamber for heating from the upper part and a drying chamber for drying products from the lower part, and the conveying mechanism is arranged in the middle of the drying chamber; the rear oven and the front oven have the same structure. High-efficient drying-machine of papermaking production usefulness, simple structure, convenient operation, degree of automation is high, has improved drying efficiency, application prospect is extensive.

Description

High-efficient drying-machine of papermaking production usefulness

Technical Field

The utility model relates to a paper cutter technical field, concretely relates to high-efficient drying-machine of papermaking production usefulness.

Background

The paper industry has become an important component of the national economy. In the last two decades, the paper industry in China has been developing in a crossing manner. According to the survey of the paper-making society of China, the total production of paper and paperboard in 2019 is 10630.22 ten thousand tons. In the paper-making production process, the paper-making paper is generally obtained by the circulation of processes such as pulping, forming, drying, shaping and the like, and the appearance of a product with special requirements can be modified by the steps of calendaring, pattern printing and the like at the later stage. Therefore, the drying in the paper making production process is an extremely important process, the key equipment in the process is a dryer, and with the continuous upgrade of industrial production, new requirements on the drying quality, efficiency and portability of the dryer are provided.

Therefore, this application has developed the high-efficient drying-machine of papermaking production usefulness, and it is effectual to dry, and degree of automation is high, also has the advantage on continuous operation duration, and control is more free nimble.

Chinese patent application No. CN201510873505.3 discloses a drawer type fabric drying machine, is equipped with the multilayer drawer in the drying-machine body for the fabric that needs to be dried can be opened flatly when putting, has accelerated the speed of drying, is equipped with air exhauster and warm braw machine bottom the drying-machine body, can accelerate hot-blast velocity of flow in the drying-machine body. This patent is a dryer designed for fabrics and does not improve the degree of automation and productivity of the dryer.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: in order to overcome not enough above, the utility model aims at providing a high-efficient drying-machine of papermaking production usefulness, simple structure, convenient operation, degree of automation is high, has improved drying efficiency when guaranteeing the drying quality, and application prospect is extensive.

The technical scheme is as follows: a high-efficiency dryer for papermaking production comprises an oven and a conveying mechanism, wherein the conveying mechanism is horizontally arranged at the bottom in the oven, and two ends of the conveying mechanism are respectively connected with a forming machine used in the previous procedure and a dried product storage point; the drying oven is of a steel structure, and waterproof high-temperature-resistant coatings are coated on the inner side and the outer side of the drying oven; the oven is provided with a front oven and a rear oven which are respectively a front oven and a rear oven; the front oven is internally divided into a combustion chamber for heating from the upper part and a drying chamber for drying products from the lower part, and the conveying mechanism is arranged in the middle of the drying chamber; the rear oven and the front oven have the same structure.

The utility model discloses a high-efficient drying-machine of papermaking production usefulness, simple structure, convenient operation, degree of automation is high, has improved drying efficiency. After paper pulp is formed by a forming machine, the paper pulp enters a front drying oven from an inlet of the drying oven through a conveying mechanism, then enters a rear drying oven, the front drying oven is pre-dried, the rear drying oven is completely dried, and dried paper products are conveyed to a product storage point from an outlet of the drying oven. Wherein, the combustion chamber is responsible for heating the drying chamber, and the paper products to be dried in the drying chamber continuously evaporate moisture until reaching the drying requirement.

Further, foretell high-efficient drying-machine of papermaking production usefulness, the combustion chamber outside is provided with combustor, circulating fan, the combustor sets up at the left surface of combustion chamber and with the combustion chamber intercommunication, the combustion chamber top is provided with circulating fan.

The circulating fan is used for heating the air in the drying chamber and circulating the air in the drying chamber.

Further, in the efficient dryer for papermaking, a circulating air return channel, an upper air box and a lower air box are sequentially arranged in the drying chamber from top to bottom, and a conveying mechanism is arranged between the upper air box and the lower air box; the circulating air return channel, the upper air box and the lower air box are communicated with the combustion chamber; and the front side and the rear side of the combustion chamber and the drying chamber are also provided with air guide boxes, and the air guide boxes are respectively communicated with the combustion chamber, the upper air box and the lower air box.

Furthermore, according to the efficient dryer for papermaking, the upper air box and the lower air box are welded and sealed by iron sheets, and only a plurality of gaps are left to face the conveying mechanism and the openings connected with the air guide boxes are left on the front side and the rear side of the upper air box and the lower air box.

The air guide box can convey air driven by the circulating fan to the upper air box and the lower air box from the upper part of the combustion chamber through front and rear openings, then the air is heated, dried and evaporated by facing the conveying mechanism from gaps of the upper air box and the lower air box, then the air flows back to the circulating air return channel at the upper part from gaps between two sides of the upper air box and the lower air box and a shell of the front oven (rear oven), and then the air circularly enters the combustion chamber through the circulating air return channel to be continuously heated.

Further, foretell high-efficient drying-machine of papermaking production usefulness, the combustion chamber still is provided with the gas vent, the gas vent passes through wind channel, exhaust fan and the exhaust duct intercommunication in the factory building.

An exhaust port is arranged in a combustion chamber of the front oven (rear oven), and part of humid air in the front oven (rear oven) can be exhausted by an air duct and an exhaust fan, so that moisture generated by drying products is taken away and then is exhausted to the outside of a factory from an exhaust pipeline in the factory building.

Further, in the efficient dryer for papermaking, the conveying mechanism comprises a motor, a driving roller, a transmission chain, a driven roller, a bend roller, a carrier roller and a carrier roller; the driving roller is arranged at the front end of the conveying mechanism, and the motor is arranged below the driving roller and drives the driving roller through a gear; the driven roller is arranged at the tail end of the conveying mechanism and is connected with the driving roller through a transmission chain; the turnabout drum is arranged below one side of the transmission chain close to the driving drum, and the supporting roller is arranged below the other side of the transmission chain; and a group of carrier rollers are arranged on the transmission chain.

The paper pulp enters the oven for dehydration and drying through the conveying mechanism after being formed by the forming machine, the conveying mechanism is reasonable in structural design, and in the process of conveying the paper products to be dried, the conveying speed can be adjusted and the running direction of the conveying mechanism can be changed through the matching of the motor, the driving roller, the transmission chain, the driven roller, the turnabout roller, the carrier roller and the carrier roller. The turnabout drum is also called as a guide drum and is mainly used for changing the running direction of the transmission chain or pressing the transmission chain to increase the wrap angle between the turnabout drum and the transmission chain. The bend pulley is mainly under the drive chain motion, if the drive chain conveying direction is left, then the bend pulley is on the right side of conveying mechanism, and the main structure is bearing and steel cylinder. The transmission roller is a driving wheel of the conveying mechanism and is divided into a driving wheel and a driven wheel. The relationship between the transmission roller and the direction-changing roller is as if two wheels of the bicycle are used, the rear wheel is the transmission roller, and the front wheel is the direction-changing roller. The function of the bend-over pulley is the winding direction of the transmission chain, so that the transmission chain forms a closed loop. The bend-changing roller can be used as the roller of the conveying mechanism, forms the tension roller of the tension device and changes the direction of the belt at different angles. The carrier roller is used for supporting the transmission chain, reducing the running resistance of the transmission chain and ensuring that the suspension degree of the transmission chain does not exceed a certain limit so as to ensure the stable running of the transmission chain.

Further, in the efficient dryer for papermaking, the outer sides of the carrier rollers are wrapped with rubber protection layers.

The protective layer that every bearing roller outside all wrapped up rubber, not only can not harm the paper goods of treating drying like this, also can not harm drive chain, improve drive chain's life.

Further, in the efficient dryer for papermaking, the outer surface of the conveying mechanism is coated with the waterproof high-temperature-resistant coating.

In order to prolong the service life of the conveying mechanism, the outer surface of the conveying mechanism is coated with a waterproof high-temperature-resistant coating, so that waterproof and high-temperature-resistant effects can be achieved.

The utility model has the advantages that:

(1) the high-efficiency dryer for papermaking production has the advantages that the structure is simple, the operation is convenient, paper pulp enters the drying oven through the conveying mechanism after being formed by the forming machine for dehydration and drying, the structural design of the conveying mechanism is reasonable, the conveying speed can be adjusted and the running direction of the conveying mechanism can be changed through the matching of the motor, the driving roller, the transmission chain, the driven roller, the direction-changing roller, the supporting roller and the supporting roller in the process of conveying paper products to be dried, and the degree of automation is high;

(2) the high-efficiency dryer for papermaking production has the advantages that the drying oven adopts a two-section design of the front drying oven and the rear drying oven, the front drying oven is used for pre-drying, the rear drying oven is used for completely drying, and the drying quality is improved;

(3) high-efficient drying-machine of papermaking production usefulness, the wind-guiding case can be transported the air that circulating fan drove to last bellows from the opening of combustion chamber top by preceding back, down the incasement portion of airing wind, then from last bellows, the gap of lower bellows faces conveyor, treat that dried paper goods carries out even heating and drying, evaporation moisture, and the air is by last bellows, the gap between lower bellows both sides and preceding oven (back oven) shell still can flow back to the circulation return-air passageway of top, get into the combustion chamber through circulation return-air passageway circulation and continue the heating, the efficiency of heat utilization has been improved.

Drawings

FIG. 1 is a schematic view of the overall structure of a high-efficiency dryer for papermaking according to the present invention;

FIG. 2 is a schematic front sectional view of a front oven of a high efficiency dryer for papermaking;

fig. 3 is a schematic structural view of a conveying mechanism of a high-efficiency dryer for papermaking production according to the present invention;

in the figure: oven 1, oven inlet 11, oven outlet 12, front oven 13, combustion chamber 131, combustor 1311, circulating fan 1312, drying chamber 132, circulating return air channel 1321, upper air box 1322, lower air box 1323, air guide box 133, exhaust port 134, air duct 135, exhaust fan 136, rear oven 14, conveying mechanism 2, motor 21, gear 211, driving roller 22, drive chain 23, driven roller 24, redirection roller 25, idler 26 and idler 27.

Detailed Description

The invention will be further elucidated with reference to the accompanying figures 1, 2, 3 and the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The efficient dryer for papermaking production with the structure shown in fig. 1 and 2 comprises an oven 1 and a conveying mechanism 2, wherein the conveying mechanism 2 is horizontally arranged at the bottom in the oven 1, and two ends of the conveying mechanism 2 are respectively connected with a forming machine used in the previous process and a dried product storage point; an oven inlet 11 is formed in one end, facing the forming machine, of the oven 1, an oven outlet 12 is formed in one end, facing the product storage point, of the oven 1, the oven 1 is of a steel structure, and waterproof high-temperature-resistant coatings are coated on the inner side and the outer side of the oven 1; the oven 1 is provided with a front section and a rear section which are respectively a front oven 13 and a rear oven 14; the interior of the front oven 13 is divided into a combustion chamber 131 for heating the upper part and a drying chamber 132 for drying the products on the lower part, and the conveying mechanism 2 is arranged in the middle of the drying chamber 132; the rear oven 14 has the same structure as the front oven 13.

In addition, a burner 1311 and a circulating fan 1312 are arranged outside the combustion chamber 131, the burner 1311 is arranged on the left side surface of the combustion chamber 131 and is communicated with the combustion chamber 131, and the circulating fan 1312 is arranged on the top of the combustion chamber 131.

In addition, a circulating air return channel 1321, an upper air box 1322 and a lower air box 1323 are sequentially installed in the drying chamber 132 from top to bottom, and a conveying mechanism 2 is arranged between the upper air box 1322 and the lower air box 1323; the circulating air return channel 1321, the upper air box 1322 and the lower air box 1323 are communicated with the combustion chamber 131; air guide boxes 133 are further arranged on the front side and the rear side of the combustion chamber 131 and the drying chamber 132, and the air guide boxes 133 are respectively communicated with the combustion chamber 131, the upper air box 1322 and the lower air box 1323.

In addition, the upper wind box 1322 and the lower wind box 1323 are welded and sealed by iron sheets and only a plurality of gaps are left to face the conveying mechanism 2 and the front and rear sides of the upper wind box 1322 and the lower wind box 1323, and openings connected with the wind guide box 133 are left.

Further, the combustion chamber 131 is further provided with an exhaust port 134, and the exhaust port 134 is communicated with an exhaust pipeline in the factory building through an air duct 135 and an exhaust fan 136.

Further, as shown in fig. 3, the conveying mechanism 2 includes a motor 21, a driving pulley 22, a transmission chain 23, a driven pulley 24, a direction-changing pulley 25, a carrier roller 26, and a carrier roller 27; the driving roller 22 is arranged at the front end of the conveying mechanism 2, the motor 21 is arranged below the driving roller 22, and the driving roller 22 is driven by a gear 211; the driven roller 24 is arranged at the tail end of the conveying mechanism 2, and the driven roller 24 is connected with the driving roller 22 through a transmission chain 23; the direction-changing drum 25 is arranged below one side of the transmission chain 23 close to the driving drum 22, and the idler 26 is arranged below the other side of the transmission chain 23; a group of carrier rollers 27 is arranged on the transmission chain 23.

Further, the outer sides of the carrier rollers 26 are all wrapped with rubber protective layers. And the outer surface of the conveying mechanism 2 is coated with a waterproof high-temperature-resistant coating.

Examples

Based on the above structural basis, as shown in fig. 1, 2 and 3.

High-efficient drying-machine of papermaking production usefulness, simple structure, convenient operation, degree of automation is high, has improved drying efficiency. After paper pulp is formed by a forming machine, the paper pulp enters a front oven 13 from an oven inlet 11 through a conveying mechanism 2, then enters a rear oven 14, the front oven 13 is pre-dried, the rear oven 14 is completely dried, and dried paper products are conveyed to a product storage point from an oven outlet 12. Wherein, the combustion chamber 131 is responsible for heating the drying chamber 132, and the paper products to be dried in the drying chamber 132 continuously evaporate water until reaching the drying requirement.

Wherein, the burner 1311 and the circulation fan 1312 provided outside the combustion chamber 131 are responsible for heating the drying chamber 132 and circulating the air inside the drying chamber 132. The air guide box 134 can transport the air driven by the circulating fan 1312 from the upper part of the combustion chamber 131 to the upper air box 1322 and the lower air box 1323 from the front and rear openings, then heat and dry the air and evaporate moisture from the gaps between the upper air box 1322 and the lower air box 1323 facing the conveying mechanism 2, and then the air flows back to the circulating air return passage 1321 from the upper part through the gaps between the two sides of the upper air box 1322 and the lower air box 1323 and the outer shell of the front oven 13 (rear oven 14), and then circularly enters the combustion chamber 131 through the circulating air return passage 1321 to continue heating.

In addition, an exhaust port 134 is provided in the combustion chamber 131 of the front oven 13 (rear oven 14), and the air duct 135 and the exhaust fan 136 can exhaust the moisture in the front oven 13 (rear oven 14), take away the moisture generated by drying the product, and exhaust the moisture from the exhaust duct in the factory to the outside of the factory.

Further, the conveying mechanism 2 is reasonable in structural design, and in the process of conveying paper products to be dried, the conveying speed can be adjusted and the running direction of the conveying mechanism 2 can be changed through the matching of the motor 21, the driving roller 22, the transmission chain 23, the driven roller 24, the direction-changing roller 25, the carrier roller 26 and the carrier roller 27.

Furthermore, the protective layer that has rubber all wraps up in every bearing roller 27 outside, so not only can not harm the paper goods of treating drying, also can not harm drive chain, improves drive chain's life. In order to prolong the service life of the conveying mechanism 2, the outer surface of the conveying mechanism 2 is coated with a waterproof high-temperature-resistant coating, so that waterproof and high-temperature-resistant effects can be achieved.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, the embodiments of the present invention can be arbitrarily combined with each other, and the same shall be regarded as the disclosure of the present invention as long as the idea of the present invention is not violated.

Claims

1. The efficient dryer for papermaking production is characterized by comprising an oven (1) and a conveying mechanism (2), wherein the conveying mechanism (2) is horizontally arranged at the bottom in the oven (1), and two ends of the conveying mechanism are respectively connected with a forming machine used in the previous procedure and a dried product storage point; one end of the oven (1) facing the forming machine is provided with an oven inlet (11), one end of the oven (1) facing the product storage point is provided with an oven outlet (12), the oven (1) is of a steel structure, and the inner side and the outer side of the oven (1) are coated with waterproof high-temperature-resistant coatings; the oven (1) is provided with a front section and a rear section which are respectively a front oven (13) and a rear oven (14); the interior of the front oven (13) is divided into a combustion chamber (131) for heating the upper part and a drying chamber (132) for drying products on the lower part, and the conveying mechanism (2) is arranged in the middle of the drying chamber (132); the rear oven (14) and the front oven (13) have the same structure.

2. The efficient dryer for papermaking according to claim 1, characterized in that a burner (1311) and a circulating fan (1312) are arranged outside the combustion chamber (131), the burner (1311) is arranged on the left side surface of the combustion chamber (131) and communicated with the combustion chamber (131), and the circulating fan (1312) is arranged on the top of the combustion chamber (131).

3. The efficient dryer for papermaking according to claim 2, characterized in that the drying chamber (132) is internally provided with a circulating air return channel (1321), an upper air box (1322) and a lower air box (1323) from top to bottom in sequence, and a conveying mechanism (2) is arranged between the upper air box (1322) and the lower air box (1323); the circulating air return channel (1321), the upper air box (1322) and the lower air box (1323) are communicated with the combustion chamber (131); air guide boxes (133) are further arranged on the front side and the rear side of the combustion chamber (131) and the drying chamber (132), and the air guide boxes (133) are respectively communicated with the combustion chamber (131), the upper air box (1322) and the lower air box (1323).

4. The efficient dryer for papermaking according to claim 3, wherein the upper wind box (1322) and the lower wind box (1323) are welded and sealed by iron sheets and only a plurality of gaps are left to face the conveying mechanism (2) and the openings connected with the wind guide boxes (133) are left on the front and rear sides of the upper wind box (1322) and the lower wind box (1323).

5. The efficient dryer for papermaking production according to claim 4, characterized in that the combustion chamber (131) is further provided with an exhaust port (134), and the exhaust port (134) is communicated with an exhaust pipeline in a factory building through an air duct (135) and an exhaust fan (136).

6. The high-efficiency dryer for papermaking production according to claim 1, characterized in that the conveying mechanism (2) comprises a motor (21), a driving roller (22), a transmission chain (23), a driven roller (24), a direction-changing roller (25), a carrier roller (26) and a carrier roller (27); the driving roller (22) is arranged at the front end of the conveying mechanism (2), the motor (21) is arranged below the driving roller (22), and the driving roller (22) is driven by a gear (211); the driven roller (24) is arranged at the tail end of the conveying mechanism (2), and the driven roller (24) is connected with the driving roller (22) through a transmission chain (23); the direction-changing roller (25) is arranged below one side of the transmission chain (23) close to the driving roller (22), and the supporting roller (26) is arranged below the other side of the transmission chain (23); and a group of carrier rollers (27) are arranged on the transmission chain (23).

7. The efficient dryer for papermaking according to claim 6, characterized in that the outside of the supporting roller (27) is covered with a rubber protective layer.

8. The high-efficiency dryer for papermaking production according to claim 7, characterized in that the outer surface of the conveying mechanism (2) is coated with a waterproof and high-temperature resistant coating.