CN219099688U

CN219099688U - Paper pulp drying equipment

Info

Publication number: CN219099688U
Application number: CN202223472480.0U
Authority: CN
Inventors: 施祥; 胡莎莎; 武双鹏; 艾鹏; 吴开亮
Original assignee: Cofco Engineering Machinery Technology Wuxi Co ltd
Current assignee: Cofco Engineering Machinery Technology Wuxi Co ltd
Priority date: 2022-12-24
Filing date: 2022-12-24
Publication date: 2023-05-30
Anticipated expiration: 2032-12-24

Abstract

The utility model discloses pulp drying equipment, and belongs to the technical field of pulp drying. The equipment comprises a first motor, a reduction gearbox and a casing, wherein a first disc and a second disc are arranged in the casing, a plurality of heating pipes are arranged between the first disc and the second disc, the first disc is fixedly connected with a first hollow shaft, the second disc is fixedly connected with a second hollow shaft, and the first hollow shaft is communicated with the second hollow shaft through a plurality of hollow heating pipes; the second hollow shaft is fixedly connected with a large gear, the first motor is connected with a reduction gearbox, the output end of the reduction gearbox is connected with a small gear, and the small gear is meshed with the large gear. According to the utility model, the paper pulp is fully contacted with the heating pipe for many times and uniformly heated, so that the paper pulp is dried more thoroughly, and the drying effect of the paper pulp is improved; the floor area is small, automatic conveying of dry paper pulp is realized, the drying efficiency is high, and the requirements of an enterprise automatic papermaking production line can be met.

Description

Paper pulp drying equipment

Technical Field

The utility model relates to paper pulp drying equipment, and belongs to the technical field of paper pulp drying.

Background

Different slurries are required for production of a papermaking production line, the slurries are required to have certain dryness for storage and preparation, and the slurries are required to be dehydrated and dried for forming and packaging to achieve certain dryness. In the existing pulp drying mode, pulp is placed on a pulp board, and the pulp board is heated and dried by using heating equipment. The drying mode has poor drying effect, low drying efficiency, manual paper pulp conveying, time and labor waste and high labor cost; if the drying effect is to be improved, a drying device with a large occupied area is needed, so that the manufacturing cost of the device is high, the working area of the papermaking production line is occupied, and the requirement of an enterprise automatic papermaking production line cannot be met.

As disclosed in chinese patent publication No. CN110130140a, a pulp drying apparatus and a control method thereof are disclosed, the apparatus comprises a box body, a drying tray is fixed in the box body, the bottom surface of the drying tray is a filter screen layer, a first heater is arranged below the filter screen layer, a second heater is arranged above the filter screen layer, the first heater and the second heater are slidably mounted on a slide bar, and the first heater and the second heater are respectively slid on the slide bar through a cylinder; an air supply pipe is arranged in the first heater, and an air return pipe is arranged on one side of the first heater. The pulp is dried by placing the pulp on a drying tray and using a first heater and a second heater. If the drying mode is to ensure good drying effect, only one layer of thinner paper pulp can be paved on the tray, the drying effect can be improved by heating the thinner paper pulp through two heaters, but only a smaller amount of paper pulp can be heated at a time, and the drying efficiency is reduced. If the drying efficiency is to be improved, the volume of the equipment is required to be increased, the drying efficiency of paper pulp is improved through larger equipment, the manufacturing cost and the occupied area of the equipment are greatly increased, and the requirements of an enterprise automatic papermaking production line cannot be met. Moreover, the paper pulp drying device needs to manually convey paper pulp to the drying tray, has low efficiency and high labor cost, and cannot automatically dry the paper pulp.

Disclosure of Invention

The utility model aims to provide paper pulp drying equipment, which enables paper pulp to be fully contacted with a heating pipe for many times and heated uniformly, so that the paper pulp is dried more thoroughly, and the drying effect of the paper pulp is improved; the floor area is small, automatic conveying of dry paper pulp is realized, the drying efficiency is high, and the requirements of an enterprise automatic papermaking production line can be met.

To achieve the purpose, the utility model is realized by adopting the following technical scheme:

the utility model provides pulp drying equipment, which comprises a first motor, a reduction gearbox and a shell, wherein a first disc and a second disc are arranged in the shell, a plurality of heating pipes are arranged between the first disc and the second disc, the first disc is fixedly connected with a first hollow shaft, the second disc is fixedly connected with a second hollow shaft, and the first hollow shaft is communicated with the second hollow shaft through a plurality of hollow heating pipes; the second hollow shaft is fixedly connected with a large gear, the first motor is connected with a reduction gearbox, the output end of the reduction gearbox is connected with a small gear, and the small gear is meshed with the large gear.

In one embodiment of the present utility model, the output end of the first motor is connected with a first belt wheel, the input end of the reduction gearbox is connected with a second belt wheel, and the first belt wheel and the second belt wheel are connected through a conveyor belt.

In one embodiment of the utility model, a second motor and a conveying screw connected with the second motor are arranged on one side of the machine shell, and the second motor is used for driving the conveying screw to rotate.

In one embodiment of the utility model, the shell is further provided with a discharge port and a waste gas outlet.

In one embodiment of the utility model, a first cylinder and a second cylinder are also arranged in the shell, the first hollow shaft penetrates through the shell and the first cylinder and is fixedly connected with the first cylinder, and the second hollow shaft penetrates through the shell and the second cylinder and is fixedly connected with the second cylinder; the first cylinder is fixedly connected with the first disc, and the second cylinder is fixedly connected with the second disc.

In one embodiment of the utility model, a first inner cavity is formed between the first cylinder and the first disc, a second inner cavity is formed between the second cylinder and the second disc, the first inner cavity is communicated with the first hollow shaft, the second inner cavity is communicated with the second hollow shaft, and the first inner cavity is communicated with the second inner cavity through a plurality of heating pipes.

In one embodiment of the utility model, a plurality of reinforcing discs are further arranged between the first disc and the second disc, and a plurality of heating pipes are arranged between the first disc, the second disc and the reinforcing discs in a penetrating manner.

In one embodiment of the utility model, the peripheries of the first disc, the second disc and the reinforcing discs are fixedly connected with a plurality of fixing frames along the circumferential direction, each fixing frame is provided with a plurality of feeding plates and scraping plates, each feeding plate is an inclined plate, and each scraping plate is a straight plate and protrudes out of the fixing frame.

In one embodiment of the utility model, a base is arranged below the shell, and the whole equipment is lifted and supported by the base.

In one embodiment of the utility model, the casing is further provided with a plurality of observation windows.

The beneficial effects of the utility model are as follows:

1. according to the utility model, the paper pulp is fully contacted with the heating pipe for many times and uniformly heated, so that the paper pulp is dried more thoroughly, and the drying effect of the paper pulp is improved; the floor area is small, automatic conveying of dry paper pulp is realized, the drying efficiency is high, and the requirements of an enterprise automatic papermaking production line can be met.

2. The utility model further strengthens the connection strength among a plurality of heating pipes through the reinforcing disc so as to prevent the heating pipes from being damaged when rotating.

3. According to the utility model, the connection strength between the first hollow shaft and the first disc is enhanced through the first barrel, the connection strength between the second hollow shaft and the second disc is enhanced through the second barrel, and when the first hollow shaft, the second hollow shaft, the first barrel, the second barrel and the heating pipes rotate together, the rotating structure is firmly connected and is not easy to damage.

4. The first hollow shaft is externally connected with high-temperature steam, the high-temperature steam enters the first inner cavity from the first hollow shaft, then enters a plurality of hollow heating pipes from the first inner cavity, and is fully contacted with paper pulp through the plurality of heating pipes, so that the high-temperature high-steam in the heating pipes is subjected to heat exchange with the paper pulp, the paper pulp is heated and dried, the temperature of the paper pulp is reduced and condensed into water after the heat exchange of the high-temperature high-steam, and the water is discharged from the second hollow shaft; the utility model reasonably utilizes high-temperature hot steam, has lower steam consumption in the whole process than the traditional pulp board, and has good drying effect.

5. According to the utility model, the feeding plate which is obliquely arranged can convey paper pulp from one end to the other end in the shell and discharge the paper pulp from the discharge port while the disc and the heating pipe rotate, so that the forward conveying of the paper pulp is realized; the paper pulp in the shell can be scraped from bottom to top through the scraping plate, the scraped paper pulp falls down from among the heating pipes under the action of gravity, and the paper pulp can be repeatedly scraped and fallen down while the heating pipes rotate, so that the paper pulp and the heating pipes are fully contacted for many times, and the drying effect of the paper pulp is ensured; the pulp drying equipment provided by the utility model can realize high-efficiency drying by using a small occupied area, and the pulp is conveyed in the equipment without manual participation, so that the labor cost is greatly reduced, the automatic conveying of the dried pulp is realized, and the efficiency is high.

6. The shell of the utility model is also provided with a plurality of observation windows, and the dryness of the paper pulp in the shell can be observed by opening the observation windows.

Drawings

Fig. 1 is a perspective view of a pulp drying device according to the utility model.

Fig. 2 is a cross-sectional view of the pulp drying device of the utility model.

Fig. 3 is a perspective view of a pulp drying device according to the utility model with a part of the housing removed.

In the figure, 1, a first motor; 2. a second motor; 3. a conveying screw; 4. a housing; 5. a waste gas outlet; 6. a first hollow shaft; 7. a base; 8. an observation window; 9. a second hollow shaft; 10. a first lumen; 11. a second lumen; 12. a fixing frame; 13. a feeding plate; 14. a scraping plate; 15. a first cylinder; 16. a second cylinder; 17. a first disc; 18. a second disc; 19. heating pipes; 20. a first pulley; 21. a second pulley; 22. a reduction gearbox; 23. a pinion gear; 24. a large gear; 25. a discharge port; 26. the disc is reinforced.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the present utility model, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, the terms "upper", "lower", "left", "right", and the like are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Example 1

As shown in fig. 1-3, the pulp drying device comprises a first motor 1, a reduction gearbox 22 and a casing 4, wherein a first disc 17 and a second disc 18 are arranged in the casing 4, a plurality of heating pipes 19 are arranged between the first disc 17 and the second disc 18, the first disc 17 is fixedly connected with a first hollow shaft 6, the second disc 18 is fixedly connected with a second hollow shaft 9, and the first hollow shaft 6 is communicated with the second hollow shaft 9 through a plurality of hollow heating pipes 19; the second hollow shaft 9 is fixedly connected with a large gear 24, the first motor 1 is connected with a reduction gearbox 22, the output end of the reduction gearbox 22 is connected with a small gear 23, and the small gear 23 is meshed with the large gear 24.

Optionally, the output end of the first motor 1 is connected with a first belt pulley 20, the input end of the reduction gearbox 22 is connected with a second belt pulley 21, and the first belt pulley 20 and the second belt pulley 21 are connected through a conveyor belt. The first motor 1 drives the first belt pulley 20 to rotate, the first belt pulley 20 drives the second belt pulley 21 to rotate through a conveyor belt, the second belt pulley 21 drives the pinion 23 to rotate through the reduction gearbox 22, the pinion 23 is meshed with the large gear 24, the pinion 23 drives the second hollow shaft 9 to rotate through the large gear 24, and the second hollow shaft 9 drives the first disc 18, the heating pipes 19 and the first hollow shaft 6 to rotate.

Optionally, a second motor 2 and a conveying screw 3 connected to the second motor 2 are arranged on one side of the casing 4, and the second motor 2 is used for driving the conveying screw 3 to rotate, so that pulp is conveyed from the conveying screw 3 into the casing 4.

Optionally, the shell 4 is also provided with a discharge hole 25 and a waste steam outlet 5, the pulp is conveyed into the shell 4 from the conveying screw 3, and is discharged from the discharge hole 25 after being stirred and heated by a plurality of heating pipes 19; the moisture evaporated from the wet pulp during the heat drying process is discharged through the waste gas outlet 5.

Optionally, a first cylinder 15 and a second cylinder 16 are further disposed in the casing 4, the first hollow shaft 6 is disposed in the casing 4 and the first cylinder 15 in a penetrating manner and is fixedly connected with the first cylinder 15, and the second hollow shaft 9 is disposed in the casing 4 and the second cylinder 16 in a penetrating manner and is fixedly connected with the second cylinder 16; the first cylinder 15 is also fixedly connected with a first disc 17, and the second cylinder 16 is also fixedly connected with a second disc 18. The connection strength between the first hollow shaft 6 and the first disc 17 is enhanced through the first barrel 15, the connection strength between the second hollow shaft 9 and the second disc 18 is enhanced through the second barrel 16, and the rotary structure is firm in connection and not easy to damage when the first hollow shaft 6, the second hollow shaft 9, the first barrel 15, the second barrel 16 and the heating pipes 19 rotate together.

Optionally, a first inner cavity 10 is formed between the first cylinder 15 and the first disc 17, a second inner cavity 11 is formed between the second cylinder 16 and the second disc 18, the first inner cavity 10 is communicated with the first hollow shaft 6, the second inner cavity 11 is communicated with the second hollow shaft 9, and the first inner cavity 10 is communicated with the second inner cavity 11 through a plurality of heating pipes 19. According to the utility model, the first hollow shaft is externally connected with high-temperature steam, the high-temperature high-steam enters the first inner cavity from the first hollow shaft, then enters a plurality of hollow heating pipes from the first inner cavity, and is fully contacted with paper pulp through the plurality of heating pipes, so that the high-temperature high-steam in the heating pipes is subjected to heat exchange with the paper pulp, the paper pulp is heated and dried, the temperature of the paper pulp is reduced and condensed into water after the heat exchange of the high-temperature high-steam, and the water is discharged from the second hollow shaft.

Optionally, a plurality of reinforcing discs 26 are further disposed between the first disc 17 and the second disc 18, and a plurality of heating pipes 29 are disposed between the first disc 17, the second disc 18 and the reinforcing discs 26. The strength of the connection between the heating pipes 19 is further reinforced by the reinforcing disc 26 to prevent the heating pipes 19 from being damaged when rotated.

Optionally, the peripheries of the first disc 17, the second disc 18 and the reinforcing discs 26 are fixedly connected with a plurality of fixing frames 12 along the circumferential direction, each fixing frame 12 is provided with a plurality of feeding plates 13 and scraping plates 14, the feeding plates 13 are inclined plates, and the scraping plates 14 are straight plates and protrude out of the fixing frames 12. The feeding plate which is obliquely arranged can convey paper pulp from one end to the other end in the shell and discharge the paper pulp from the discharge port while the disc and the heating pipe rotate, so that the forward conveying of the paper pulp is realized; the paper pulp in the shell can be scraped from bottom to top through the scraping plate, the scraped paper pulp falls down from among the heating pipes under the action of gravity, the paper pulp can be repeatedly scraped and fallen down while the heating pipes rotate, so that the paper pulp and the heating pipes are fully contacted for many times and uniformly heated, the paper pulp is dried more thoroughly, and the drying effect of the paper pulp is improved; the pulp drying equipment provided by the utility model can realize high-efficiency drying by using a small occupied area, and the pulp is conveyed in the equipment without manual work, so that the labor cost is greatly reduced, the automatic conveying of the dried pulp is realized, and the efficiency is high.

Optionally, a base 7 is arranged below the casing 4, and the whole device is lifted and supported by the base 7.

Optionally, a plurality of observation windows 8 are further arranged on the casing 4, and the dryness of the pulp in the casing 4 can be observed by opening the observation windows 8.

The working principle of the utility model is as follows: the first motor drives the first belt pulley to rotate, the first belt pulley drives the second belt pulley to rotate through the conveying belt, the second belt pulley drives the pinion to rotate through the reduction gearbox, the pinion is meshed with the large gear, the pinion drives the second hollow shaft to rotate through the large gear, and the second hollow shaft drives the first disc, the heating pipes and the first hollow shaft to rotate. The paper pulp is conveyed into the shell from the conveying screw, stirred and heated by a plurality of heating pipes and then discharged from the discharge port. The first hollow shaft is externally connected with high-temperature steam, the high-temperature steam enters the first inner cavity from the first hollow shaft, then enters a plurality of hollow heating pipes from the first inner cavity, and is fully contacted with paper pulp through the plurality of heating pipes, so that the high-temperature high-steam in the heating pipes is subjected to heat exchange with the paper pulp, the paper pulp is heated and dried, cooled and condensed into water after the heat exchange of the high-temperature high-steam, and the water is discharged from the second hollow shaft. The moisture evaporated from the wet pulp during the heat drying process is discharged through the waste gas outlet. The paper pulp in the shell can be scraped from bottom to top through the rotating scraping plate, the scraped paper pulp falls down from among a plurality of heating pipes under the action of gravity, and the paper pulp can be repeatedly scraped and falls down while the heating pipes rotate, so that the paper pulp and the heating pipes are in multiple full contact, and the drying effect of the paper pulp is ensured. The pulp drying equipment provided by the utility model can realize high-efficiency drying efficiency and high-quality drying effect with little occupied area, and the pulp is conveyed in the equipment without manual participation, so that the labor cost is greatly reduced, the automatic conveying of the dried pulp is realized, and the working efficiency is high.

The scope of the present utility model is not limited to the above-described embodiments, but is intended to be limited to the appended claims, any modifications, equivalents, improvements and alternatives falling within the spirit and principle of the inventive concept, which can be made by those skilled in the art.

Claims

1. The pulp drying equipment is characterized by comprising a first motor, a reduction gearbox and a shell, wherein a first disc and a second disc are arranged in the shell, a plurality of heating pipes are arranged between the first disc and the second disc, the first disc is fixedly connected with a first hollow shaft, the second disc is fixedly connected with a second hollow shaft, and the first hollow shaft is communicated with the second hollow shaft through a plurality of hollow heating pipes; the second hollow shaft is fixedly connected with a large gear, the first motor is connected with a reduction gearbox, the output end of the reduction gearbox is connected with a small gear, and the small gear is meshed with the large gear.

2. A pulp drying apparatus according to claim 1, characterized in that the output of the first motor is connected with a first pulley, the input of the reduction gearbox is connected with a second pulley, and the first pulley is connected with the second pulley by means of a conveyor belt.

3. A pulp drying apparatus according to claim 1, characterized in that a second motor for driving the conveyor screw in rotation and a conveyor screw connected to the second motor are provided on one side of the housing.

4. A pulp drying apparatus according to claim 1, characterized in that the housing is further provided with a discharge opening and a waste gas outlet.

5. The pulp drying device according to claim 1, wherein a first cylinder and a second cylinder are further arranged in the casing, the first hollow shaft penetrates through the casing and the first cylinder and is fixedly connected with the first cylinder, and the second hollow shaft penetrates through the casing and the second cylinder and is fixedly connected with the second cylinder; the first cylinder is fixedly connected with the first disc, and the second cylinder is fixedly connected with the second disc.

6. The pulp drying apparatus according to claim 5, wherein a first inner cavity is formed between the first cylinder and the first disc, a second inner cavity is formed between the second cylinder and the second disc, the first inner cavity is communicated with the first hollow shaft, the second inner cavity is communicated with the second hollow shaft, and the first inner cavity is communicated with the second inner cavity through a plurality of heating pipes.

7. The pulp drying apparatus according to claim 6, wherein a plurality of reinforcing discs are further provided between the first disc and the second disc, and a plurality of heating pipes are provided between the first disc, the second disc and the plurality of reinforcing discs.

8. The pulp drying device according to claim 7, wherein the first disc, the second disc and the reinforcing discs are fixedly connected with a plurality of fixing frames along the circumferential direction, each fixing frame is provided with a plurality of feeding plates and scraping plates, the feeding plates are inclined plates, and the scraping plates are straight plates and protrude out of the fixing frames.

9. A pulp drying apparatus according to claim 1, characterized in that a base is provided below the housing, by means of which the whole apparatus is lifted up.

10. A pulp drying apparatus according to claim 1, characterized in that the housing is further provided with a number of viewing windows.