CN213421731U - Paper pulp quick drying device for production - Google Patents

Abstract

The utility model provides a paper pulp quick drying device for production, at least comprises a conveyor belt, a steam box, a communication box and a drying box, wherein the conveyor belt sequentially passes through the steam box, the communication box and the drying box from left to right, the steam box is provided with a boiler and a first hot air blower, an exhaust plate and a first fan cover are arranged in the steam box, a multi-inlet steam shunt pipe is arranged in the exhaust plate, the inlet end of the steam shunt pipe is connected with the boiler, the outlet end of the steam shunt pipe is provided with a plurality of air outlets, the drying box is provided with a second hot air blower and a circulating air pipe, a heating plate, a third fan cover and an exhaust pipe are arranged in the drying box, the inlet end of the circulating air pipe is connected with a second suction fan, the circulating air pipe is provided with two outlet ends, and the outlet ends are connected with the exhaust pipe, the paper pulp quick drying device for production uses steam to evaporate water, and the hot air is dried quickly by circulating drying, so that the operation is simple and the effect is good.

Description

Paper pulp quick drying device for production

Technical Field

The utility model relates to a paper pulp quick drying device is used in production belongs to paper pulp stoving technical field.

Background

The development of modern industry is rapid, drying device is needed in paper making industry, if waiting for natural air drying of paper pulp, it takes long time to reduce production efficiency and waste a lot of time, the existing drying device mostly spreads paper pulp on a flat plate and puts it into an oven to be dried, this drying mode not only easily causes incomplete drying, but also causes damage of paper, and is not beneficial to batch production on the production line, productivity is reduced, meanwhile, the existing drying device generally dries by evaporating moisture in the paper pulp through steam, steam and drying treatment are not separated, dry hot air is not utilized, resulting in the final drying effect to be discounted, so a paper pulp quick drying device with steam and drying separated treatment is urgently needed.

Disclosure of Invention

An object of the utility model is to solve current paper pulp drying device not enough, provide a paper pulp quick drying device for production, evaporate moisture with the steam earlier to carry out quick drying through circulation drying hot-air, easy operation, it is effectual.

The utility model provides a technical scheme that its technical problem adopted as follows: the utility model provides a pulp quick drying device for production, includes conveyer belt, steam chest, intercommunication case and stoving case at least, the conveyer belt passes steam chest, intercommunication case and stoving case from the right side in proper order from a left side, be equipped with boiler and first air heater on the steam chest, the quantity of first air heater is two, and first air heater is located the left side and the right side of boiler respectively, be equipped with air discharge plate and first fan housing in the steam chest, be equipped with one into many types of steam shunt tubes in the air discharge plate, and the entrance point and the boiler of steam shunt tubes are connected, and the exit end of steam shunt tubes all is equipped with a plurality of air exit, first fan housing is connected with first air heater through first tuber pipe, the bottom of steam chest is equipped with the second fan housing, and the second fan housing is connected with first fan that inhales, be equipped with second air heater and circulating air duct on the stoving case, and the stoving incasement is equipped with hot plate, Third fan housing and exhaust pipe, the second air heater passes through the second tuber pipe and is connected with the third fan housing, third fan housing quantity is two, and is located hot plate left side and right side respectively, stoving bottom of the case portion is equipped with the fourth fan housing, and the fourth fan housing is connected with the second suction fan, the entrance point and the second suction fan of circulation tuber pipe are connected, the circulation tuber pipe is equipped with two exit ends, and the exit end is connected with the exhaust pipe, the exhaust pipe is located the left side and the right side of third fan housing respectively, be equipped with the air pump on the circulation tuber pipe.

Furthermore, the left end and the right end of the upper end of the communicating box are both provided with a drying filter layer, the bottom of the communicating box is provided with a fifth air hood, and the fifth air hood is connected with a third air heater.

Furthermore, active carbon filter screens are arranged in the air exhaust pipe and the second air pipe.

Furthermore, a plurality of infrared heating pipes are arranged in the heating plate.

Furthermore, a heat exchanger is arranged at the inlet end of the circulating air pipe.

Furthermore, the inlet of the steam box and the outlet of the drying box are both provided with height limiting and heat insulating valves.

And the first suction fan is connected with an exhaust branch pipe, the exhaust branch pipe is communicated with the inlet end of the circulating air pipe, and the heat exchanger is positioned below the communicated part.

The utility model provides a paper pulp quick drying device for production's beneficial effect lies in:

the paper pulp quick drying device for production moves from left to right along with a conveyor belt, when paper pulp enters a steam box, steam generated by a boiler passes through a steam shunt pipe and is discharged from a plurality of air outlets, and simultaneously a first hot air blower is started, so that the steam and the action of hot air can quickly evaporate water in the paper pulp, when the paper pulp enters a communicating box, a third hot air blower blows hot air upwards to make hot steam on the surface of the paper pulp continuously move upwards and carry out filtering and drying through a drying filter layer, when the paper pulp enters a drying box, a second hot air blower is started, simultaneously an infrared heating pipe is started to blow hot air to the paper pulp, a second suction fan is started to make hot air at the upper end of the drying box move downwards and enter a circulating air pipe, and the hot air enters an exhaust pipe through the action of an air pump and enters the drying box through the exhaust pipe, therefore, the hot air circulation operation is completed, and in the whole drying process, the first suction fan at the bottom of the steam box can make the steam in the steam box move downwards and enter the exhaust branch pipe, and enter the circulation air pipe together with the hot air moving downwards in the drying box, the temperature of the mixed air can be kept at a high temperature state through the heat exchanger, when the mixed air passes through the exhaust pipe, because the active carbon filter screen is arranged, the hot air entering the drying box is dry hot air, and when the hot air generated by the second hot air blower enters the drying box, because the active carbon filter screen is also used for drying hot air, the drying hot air of the drying box forms circular flow, the drying effect is better, meanwhile, due to the action of the first air suction machine, steam in the steam box flows from top to bottom, and the evaporation of the water in the paper pulp is promoted.

Drawings

Fig. 1 is a schematic diagram of the pulp quick drying device for production.

Fig. 2 is a right side view of the drying box of the present invention.

In the figure: 1. the system comprises a conveying belt, 2, a steam box, 3, a communication box, 4, a drying box, 5, a boiler, 6, a first hot air blower, 7, an exhaust plate, 8, a steam flow dividing pipe, 9, an exhaust port, 10, a first fan cover, 11, a first air pipe, 12, a second fan cover, 13, a first suction fan, 14, a fifth fan cover, 15, a third hot air blower, 16, a second hot air blower, 17, a circulating air pipe, 18, a heating plate, 19, a third fan cover, 20, an exhaust pipe, 21, a second air pipe, 22, a fourth fan cover, 23, a second suction fan, 24, an air pump, 25, a heat exchanger, 26, a drying and filtering layer, 27, an activated carbon filtering screen, 28, an infrared heating pipe, 29, an exhaust branch pipe and 30, a height limiting and heat insulating valve.

Detailed Description

The invention is further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 and 2, the utility model provides a quick drying device for paper pulp for production, at least comprises a conveyor belt 1, a steam box 2, a communication box 3 and a drying box 4, wherein the conveyor belt 1 sequentially passes through the steam box 2, the communication box 3 and the drying box 4 from left to right, the steam box 2 is provided with a boiler 5 and two first hot air blowers 6, the first hot air blowers 6 are respectively positioned at the left side and the right side of the boiler 5, the steam box 2 is provided with an exhaust plate 7 and a first fan cover 10, the exhaust plate 7 is provided with a multi-inlet steam shunt pipe 8, the inlet end of the steam shunt pipe 8 is connected with the boiler 5, the outlet end of the steam shunt pipe 8 is provided with a plurality of air outlets 9, the first fan cover 10 is connected with the first hot air blower 6 through a first air pipe 11, the bottom of the steam box 2 is provided with a second fan cover 12, and second fan housing 12 is connected with first suction fan 13, be equipped with second air heater 16 and circulation tuber pipe 17 on the stoving case 4, and be equipped with hot plate 18, third fan housing 19 and exhaust pipe 20 in the stoving case 4, second air heater 16 is connected with third fan housing 19 through second tuber pipe 21, third fan housing 19 quantity is two, and is located hot plate 18 left side and right side respectively, stoving case 4 bottom is equipped with fourth fan housing 22, and fourth fan housing 22 is connected with second suction fan 23, the entrance point and the second suction fan 23 of circulation tuber pipe 17 are connected, circulation tuber pipe 15 is equipped with two exit ends, and the exit end is connected with exhaust pipe 20, exhaust pipe 20 is located the left side and the right side of third fan housing 19 respectively, be equipped with air pump 24 on the circulation tuber pipe 17.

Further, the left end and the right end of the upper end of the communicating box 3 are both provided with a drying and filtering layer 26, the bottom of the communicating box 3 is provided with a fifth fan housing 14, and the fifth fan housing 14 is connected with a third air heater 15.

Further, an active carbon filter screen 27 is arranged in each of the exhaust duct 20 and the second air duct 21.

Further, a plurality of infrared heating pipes 28 are arranged in the heating plate 18.

Further, a heat exchanger 25 is arranged at the inlet end of the circulating air pipe 17.

Furthermore, height limiting and heat insulating valves 30 are arranged at the inlet of the steam box 2 and the outlet of the drying box 4.

An exhaust branch pipe 29 is connected to the first suction fan 13, the exhaust branch pipe 29 is communicated with the inlet end of the circulating air pipe 17, and the heat exchanger 25 is positioned below the communication position.

The use steps of the paper pulp quick drying device for production are as follows: the mould with paper pulp is moved from left to right along with the conveyor belt 1, when the paper pulp enters the steam box 2, the steam generated by the boiler 5 passes through the steam shunt pipe 8 and is discharged from a plurality of air outlets 9, and simultaneously the first hot air blower 6 is started, so the steam and the action of hot air can quickly evaporate the moisture in the paper pulp, when the paper pulp enters the communicating box 3, the third hot air blower 15 blows hot air upwards to make the hot steam on the surface of the paper pulp continuously move upwards and carry out filtering and drying through the drying filter layer 26, when the paper pulp enters the drying box 4, the second hot air blower 16 is started, simultaneously the infrared heating pipe 28 is started to blow hot air to the paper pulp, the second suction blower 23 is started to make the hot air at the upper end of the drying box 4 move downwards and enter the circulating air pipe 17, the hot air enters the exhaust pipe 20 through the action of the air pump 24 and enters the drying box 4 through the exhaust pipe 20, therefore, the hot air circulation operation is completed, during the whole drying process, the first suction fan 13 at the bottom of the steam box 2 can make the steam in the steam box 2 move downwards, enter the exhaust branch pipe 29, and enter the circulation air pipe 17 together with the hot air moving downwards in the drying box 4, the temperature of the mixed air can be kept at a high temperature state through the heat exchanger 25, when the mixed air passes through the exhaust pipe 20, the hot air entering the drying box 4 is dry hot air due to the arrangement of the activated carbon filter screen 27, and when the hot air generated by the second hot air heater 16 enters the drying box 4, the dry hot air in the drying box 4 forms circulation flow due to the action of the activated carbon filter screen 27, the drying effect is better, and simultaneously, due to the action of the first suction fan 13, the steam in the steam box 2 forms steam flow from top to bottom, it also has a promoting effect on evaporation of water from the pulp.

Claims (7)

1. The utility model provides a paper pulp quick drying device is used in production, includes conveyer belt, steam chest, intercommunication case and stoving case at least, the conveyer belt passes steam chest, intercommunication case and stoving case, its characterized in that from a left side in proper order from the right side: the steam box is provided with a boiler and two first air heaters, the first air heaters are respectively positioned on the left side and the right side of the boiler, the steam box is internally provided with an exhaust plate and a first fan cover, the exhaust plate is internally provided with a one-inlet-multi-outlet type steam shunt pipe, the inlet ends of the steam shunt pipes are connected with the boiler, the outlet ends of the steam shunt pipes are respectively provided with a plurality of air outlets, the first fan cover is connected with the first air heaters through a first air pipe, the bottom of the steam box is provided with a second fan cover, the second fan cover is connected with a first air suction machine, the drying box is provided with a second air heater and a circulating air pipe, the drying box is internally provided with a heating plate, a third fan cover and an exhaust pipe, the second air heaters are connected with the third fan cover through a second air pipe, the third fan covers are two in number and are respectively positioned on the left side and the right side of, the stoving bottom of the case portion is equipped with the fourth fan housing, and the fourth fan housing is connected with the second suction fan, the entrance point and the second suction fan of circulation tuber pipe are connected, the circulation tuber pipe is equipped with two exit ends, and the exit end is connected with the exhaust pipe, the exhaust pipe is located the left side and the right side of third fan housing respectively, be equipped with the air pump on the circulation tuber pipe.

2. The fast drying device of pulp for production according to claim 1, characterized in that: the left end and the right end of the upper end of the communicating box are both provided with a drying filter layer, the bottom of the communicating box is provided with a fifth wind cover, and the fifth wind cover is connected with a third air heater.

3. The fast drying device of pulp for production according to claim 1, characterized in that: and active carbon filter screens are arranged in the exhaust pipe and the second air pipe.

4. The fast drying device of pulp for production according to claim 1, characterized in that: a plurality of infrared heating pipes are arranged in the heating plate.

5. The fast drying device of pulp for production according to claim 1, characterized in that: and a heat exchanger is arranged at the inlet end of the circulating air pipe.

6. The fast drying device of pulp for production according to claim 1, characterized in that: and the inlet of the steam box and the outlet of the drying box are both provided with height limiting and heat insulating valves.

7. The fast drying device of pulp for production according to claim 5, characterized in that: and the first suction fan is connected with an exhaust branch pipe, the exhaust branch pipe is communicated with the inlet end of the circulating air pipe, and the heat exchanger is positioned below the communicated part.

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