CN210638421U - Rotary drum drying device for chemical fiber production - Google Patents

Abstract

The utility model relates to a rotary drum drying device for chemical fiber production, including the rotary drum, locate the rotary drum both ends and rotate and connect in the support frame of rotary drum and be used for driving rotary drum pivoted motor, the rotary drum includes inner bag and shell, forms the intermediate layer between inner bag and the shell, and rotary drum one end is connected with the first intake pipe that feeds through in inner bag inner chamber and feeds through in the intermediate layer and be used for letting in the second intake pipe of steam, and the rotary drum other end is connected with the first outlet duct that feeds through in inner bag inner chamber and feeds through in interbedded second outlet duct. Steam enters the interlayer of the rotary drum through the second air inlet pipe to be heated, is guided out through the second air outlet pipe and is communicated to the steam boiler to be secondarily utilized. First intake pipe lets in dry air, mixes the steam that the raw materials evaporated and derives to steam boiler through first intake pipe together, and the gas temperature and the humidity of derivation are all higher, need not too much heating and can heat through the leading-in intermediate layer of second intake pipe to the drum of changeing again, have improved energy utilization.

Description

Rotary drum drying device for chemical fiber production

Technical Field

The utility model belongs to the technical field of chemical fiber production facility technique and specifically relates to a rotary drum drying device for chemical fiber production is related to.

Background

The chemical fiber has very important function in the life and industrial fields, the drying of the plastic master batch is a key process in the production process, and the currently generally adopted plastic master batch drying equipment is a rotary drum dryer.

Current rotary drum dryer, the utility model discloses a rotary drum for chemical fiber production as application number is CN201821513184.1, including first support frame, inverter motor, rotary drum shell and stirring board, first support frame one side is provided with the second support frame, first support frame upper end middle part is provided with the main shaft support, be provided with the controller on the first support frame lateral wall, the inside top of first support frame is provided with the gearbox, the gearbox is kept away from first support frame one side is provided with inverter motor. Steam led out through a steam boiler is added into a cavity in the rotary drum to heat the rotary drum, the rotary drum rotates to drive the bottle pieces to rotate, and meanwhile, gas in the rotary drum is pumped away together with moisture through the work of a pump machine, so that the drying process of the bottle pieces is realized.

However, when the drum is implemented, the steam introduced into the cavity of the drum is usually directly discharged after treatment after heat exchange is completed, and the energy utilization rate is poor.

Disclosure of Invention

The utility model aims at providing a rotary drum drying device for chemical fiber production, it has improved energy utilization through steam cycle.

The above object of the present invention is achieved by the following technical solutions:

a drum drying device for chemical fiber production comprises a drum, a support frame arranged at two ends of the drum and rotationally connected to the drum, and a motor for driving the drum to rotate, the peripheral wall of the rotary drum is respectively provided with a feed inlet and a discharge outlet along the vertical direction, the feed inlet and the discharge outlet are respectively arranged at two ends of the rotary drum, the rotary drum comprises an inner container and a shell, an interlayer is formed between the inner container and the shell, the inner container is fixedly connected with the shell, one end of the rotary drum is connected with a first air inlet pipe communicated with the inner cavity of the inner container and a second air inlet pipe communicated with the interlayer and used for introducing steam, the other end of the rotary drum is connected with a first air outlet pipe communicated with the inner cavity of the inner container and a second air outlet pipe communicated with the interlayer, the first air inlet pipe, the second air inlet pipe, the first air outlet pipe and the second air outlet pipe are all rotatably connected to the rotary drum, and the first air outlet pipe, the second air outlet pipe and the second air inlet pipe are communicated with a steam boiler.

By adopting the technical scheme, the raw materials enter the inner container inner cavity through the feeding hole, steam generated by heating of the steam boiler enters the interlayer of the rotary drum through the second air inlet pipe, the rotary drum is heated, and then the steam is guided out through the second air outlet pipe and communicated to the steam boiler for secondary utilization. And then dry air is introduced through the first air inlet pipe, so that moisture contained in the raw materials is heated and evaporated into water vapor, and then the water vapor is mixed with the dry air and is led out to a steam boiler through the first air inlet pipe.

The utility model discloses further set up to: the second air outlet pipe is sleeved outside the first air outlet pipe, the second air inlet pipe is sleeved outside the first air inlet pipe, and the first air outlet pipe, the second air outlet pipe, the first air inlet pipe and the second air inlet pipe are coaxial with the rotation axis of the rotary drum.

Through adopting above-mentioned technical scheme, make the rotary drum when rotating and stirring, first outlet duct, second outlet duct, first intake pipe and second intake pipe can not wind the pipe, make the rotary drum can last to follow same direction rotatory, and need not reciprocal rotation, reduced the loss of motor, improved economic benefits.

The utility model discloses further set up to: and a filter cartridge for filtering gas in the first gas outlet pipe is further arranged between the rotary drum and the steam boiler, a first filter screen is arranged in the filter cartridge, the first gas outlet pipe penetrates out of the second gas outlet pipe and is communicated with the filter cartridge, and the first gas outlet pipe is hermetically connected with the second gas outlet pipe.

Through adopting above-mentioned technical scheme, because at the rotary drum pivoted in-process, the raw materials is easily discharged from first outlet duct together with the gas of inner bag inner chamber, so through connecting first outlet duct in the cartridge filter, filter the first filter screen in the gaseous and mixed debris in the first outlet duct through the cartridge filter, make debris can not carry to steam boiler through first outlet duct, cause the influence to steam boiler, and improved the cleanliness factor of the interior gas of first outlet duct.

The utility model discloses further set up to: the first filter screen is horizontally arranged in the filter cartridge, and the first air outlet pipe is communicated with the position, below the first filter screen, of the filter cartridge.

Through adopting above-mentioned technical scheme, because the density of steam is greater than the density of air, so can float upwards, locate the below of first filter screen through the intercommunication position with first outlet duct and cartridge filter, improved the filter effect.

The utility model discloses further set up to: the fixed stabilizer blade that is used for supporting the cartridge filter that is equipped with on the cartridge filter bottom perisporium, the stabilizer blade is equipped with a plurality of, the cartridge filter bottom is the spigot surface of binding off gradually downwards, the waste material mouth has been seted up to the cartridge filter bottom, the sealed just detachable waste material door that is connected with of waste material mouth.

Through adopting above-mentioned technical scheme, make the debris that filter out through first filter screen can fall in cartridge filter bottom to fall in the waste material mouth through the spigot surface. When the equipment stops using, can dismantle the waste material door, make the debris discharge cartridge filter of filter department and handle.

The utility model discloses further set up to: first filter screen can be dismantled and connect in the cartridge filter, cartridge filter top opening and sealing connection have sealed lid.

Through adopting above-mentioned technical scheme, first filter screen is after long-term the use, and easy quilt is blockked up and is leaded to the filter efficiency poor. Can open through the top of cartridge filter, and first filter screen can be dismantled, makes first filter screen regularly take out to change and clean, has guaranteed the filtration efficiency of first filter screen.

The utility model discloses further set up to: the terminal surface is fixed along its circumference under the first filter screen and is equipped with the lug that is used for the installation, the cartridge filter inner wall is fixed along circumference equidistance and is equipped with a plurality of mountings that are used for erectting first filter screen, the mounting is the L type that the opening upwards just moves towards the inner wall to form the caulking groove with the inner wall, the lug inlays and locates in the caulking groove.

Through adopting above-mentioned technical scheme, through the setting of mounting, make the lug that first filter screen was established along its circumference install through inlaying in the caulking groove that mounting and inner wall formed, make things convenient for the dismantlement of first filter screen.

The utility model discloses further set up to: and a second filter screen is arranged at the communication position of the first air outlet pipe and the inner container.

Through adopting above-mentioned technical scheme, when making the gaseous through first outlet duct discharge in the inner bag, filter promptly, prevent that the rotary drum when rotating, the gaseous together discharge from first outlet duct in raw materials and the inner bag has improved first outlet duct exhaust gas's clean degree.

To sum up, the utility model discloses a beneficial technological effect does:

1. steam for heating the rotary drum and water vapor evaporated from the raw materials by heating are led to the steam boiler, and because the temperature and the humidity of the steam boiler are high, the steam boiler can be led into the interlayer again through the second air inlet pipe to heat the rotary drum without excessive heating of the steam boiler, so that the cyclic utilization of resources is realized, and the energy utilization rate is improved;

2. the loss of the motor is reduced, and the economic benefit is improved;

3. the cleaning degree of the gas led out by the first gas outlet pipe is improved through the double-layer filtering of the filter screen and the filter cylinder;

4. the cartridge filter is conveniently cleaned.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic sectional view of the present embodiment;

FIG. 3 is an enlarged partial schematic view of portion A of FIG. 2;

FIG. 4 is an enlarged partial schematic view of portion B of FIG. 2;

FIG. 5 is an enlarged partial schematic view of portion C of FIG. 2;

fig. 6 is a partially enlarged schematic view of a portion D in fig. 2.

Reference numerals: 1. a drum; 11. a housing; 12. an inner container; 13. an interlayer; 14. a feed inlet; 141. a feed gate; 142. a first bolt; 15. a discharge port; 151. a discharge door; 152. a second bolt; 2. a support frame; 21. an accommodating chamber; 3. a motor; 4. a filter cartridge; 41. a sealing cover; 42. a third bolt; 43. a first filter screen; 431. a bump; 44. a fixing member; 45. a support leg; 46. a waste material port; 47. a waste gate; 48. a fourth bolt; 49. a filter port; 5. a steam boiler; 6. a transmission assembly; 61. a driving gear; 62. a driven gear; 7. a connecting member; 81. a first intake pipe; 82. a first air outlet pipe; 821. a second filter screen; 83. a second intake pipe; 84. and a second air outlet pipe.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the drum drying device for chemical fiber production disclosed for this embodiment includes a drum 1, a support frame 2 for mounting the drum 1 on two sides, a motor 3 for driving the drum 1 to rotate, a filter cartridge 4 for filtering exhaust gas in the drum 1, and a steam boiler 5 for supplying steam. Two ends of the rotary drum 1 are rotatably connected to the support frame 2. The machine body of the motor 3 is fixedly connected with the support frame 2, the output end of the motor 3 is fixedly connected with a transmission component 6, and the motor 3 drives the rotary drum 1 to rotate through the transmission component 6. The filter cartridge 4 is arranged at the air outlet end of the rotary drum 1 and communicated with the rotary drum 1.

During processing, raw materials are input into the rotary drum 1, the motor 3 drives the rotary drum 1 to rotate, the steam boiler 5 introduces generated steam into the rotary drum 1 to heat the raw materials in the rotary drum 1, the heated steam and water vapor generated by heating the raw materials are discharged from the rotary drum 1 and introduced into the steam boiler 5 again to carry out secondary heating, and the heated steam and the water vapor are introduced into the rotary drum 1 again through a pipeline to heat the rotary drum 1, so that the cyclic utilization of energy is realized.

Referring to fig. 2, support frame 2 is equipped with two, and support frame 2 is located the one end of the 1 ejection of compact of rotary drum and has been seted up and hold chamber 21, and motor 3 is fixed to be located and holds in chamber 21, and motor 3 output shaft passes towards rotary drum 1 and holds chamber 21 lateral wall and fixed connection in drive assembly 6. The transmission assembly 6 comprises a driving gear 61 and a driven gear 62 engaged with the driving gear 61, the driving gear 61 is fixedly connected to an output shaft of the motor 3, and the driven gear 62 is fixedly connected to the rotary drum 1 and rotatably connected to the support frame 2.

Referring to fig. 3, one end of the driven gear 62 far away from the motor 3 and the support frame 2 located on the feeding side of the rotary drum 1 are both provided with a connecting piece 7 used for being connected with the rotary drum 1, the connecting piece 7 is claw-shaped, the connecting piece 7 with the claw-shaped is welded on the rotary drum 1, the driven gear 62 is fixedly connected with the rotary drum 1, the support frame 2 located on the feeding end of the rotary drum 1 is rotatably connected to the rotary drum 1, and the claw-shaped connecting piece 7 is rotatably connected to the support frame 2 located at the feeding end through a bearing.

The rotary drum 1 is erected on the support frame 2 through the support frame 2 and can rotate relative to the support frame 2. Through claw type connecting piece 7 fixed connection in rotary drum 1, make the torsional strength of connecting piece 7 and rotary drum 1 promote, the connection between driven gear 62 and rotary drum 1 is more stable. The motor 3 drives the driving gear 61 to rotate, and the driving gear 61 rotates to drive the driven gear 62 fixedly connected to the rotary drum 1 through the connecting piece 7 to rotate.

Referring to fig. 2, the drum 1 is a cylindrical structure, the drum 1 includes an inner container 12 and a housing 11, and an interlayer 13 for introducing steam to heat an inner cavity of the inner container 12 is formed between the inner container 12 and the housing 11. The rotary drum 1 is arranged obliquely, and a certain included angle is formed between the rotation axis of the rotary drum 1 and the axis of the rotary drum 1. The peripheral wall of the rotary drum 1 is provided with a feed inlet 14 and a discharge outlet 15 along the vertical direction, and the feed inlet 14 and the discharge outlet 15 are respectively arranged at two ends of the rotary drum 1 and positioned at two sides of the axis of the rotary drum 1. The inlet port 14 is connected with an inlet door 141, and the inlet door 141 seals the inlet port 14 through a first bolt 142 and a first nut screw connection. The discharge port 15 is also provided with a discharge door 151, and the discharge door 151 closes and seals the discharge port 15 by a second bolt 152 and a second nut. The inner container 12 and the outer shell 11 are fixedly connected through a feeding hole 14 and a discharging hole 15.

Referring to fig. 4, one end of the feeding of the rotary drum 1 is connected with a first air inlet pipe 81 communicated with the inner cavity of the inner container 12 and a second air inlet pipe 83 communicated with the interlayer 13 and used for introducing steam, the second air inlet pipe 83 is sleeved outside the first air inlet pipe 81, the claw-shaped connecting piece 7 is sleeved outside the second air inlet pipe 83, and the claw-shaped connecting piece 7, the first air inlet pipe 81 and the second air inlet pipe 83 rotate coaxially.

Referring to fig. 3, one end of the drum 1 for discharging is connected with a first air outlet pipe 82 communicated with the inner cavity of the inner container 12 and a second air outlet pipe 84 communicated with the interlayer 13, the second air outlet pipe 84 is sleeved outside the first air outlet pipe 82, the claw-shaped connecting piece 7 is sleeved outside the second air outlet pipe 84, so that the claw-shaped connecting piece 7 rotates coaxially with the first air outlet pipe 82 and the second air outlet pipe 84, and the pipe winding condition cannot occur. A second filter screen 821 is fixedly arranged at one end of the first air outlet pipe 82 facing the rotary drum 1. The first air inlet pipe 81, the second air inlet pipe 83, the first air outlet pipe 82 and the second air outlet pipe 84 are rotatably connected to the rotary drum 1 through bearings.

The raw material enters the rotary drum 1 through the feeding hole 14, and the rotary drum 1 is driven by the motor 3 to rotate. Steam generated by the steam boiler 5 is introduced into the interlayer 13 of the rotary drum 1 through the second air inlet pipe 83 to heat the inner container 12 of the rotary drum 1, and then the steam in the interlayer 13 is led out from one end of the rotary drum 1, directly introduced into the steam boiler 5 to be heated for the second time, and then continuously introduced into the interlayer 13 from the second air inlet pipe 83 for use. Then dry air is introduced into the inner cavity of the inner container 12 through the first air inlet pipe 81, the mixed raw materials in the inner cavity of the inner container 12 are led out to the filter cartridge 4 from the first air outlet pipe 82 at the discharging end of the rotary drum 1 together with steam generated by heating, and the raw materials rotating due to the rotary drum 1 are filtered by the second filter screen 821 and cannot leak out from the first air outlet pipe 82.

Referring to fig. 5, the first outlet pipe 82 passes through the second outlet pipe 84 and is communicated with the filter cartridge 4, and the first outlet pipe 82 is connected with the second outlet pipe 84 in a sealing manner. The top end of the filter cartridge 4 is open and is hermetically connected with a sealing cover 41, a third bolt 42 is arranged on the sealing cover 41, the third bolt 42 penetrates through the filter cartridge 4 and the sealing cover 41, and a third nut is connected with the third bolt through threads for sealing. Be equipped with first filter screen 43 in the cartridge filter 4, the fixed lug 431 that is equipped with of terminal surface along its circumference under the first filter screen 43, the fixed mounting 44 that is used for erectting first filter screen 43 that is equipped with of inner wall of cartridge filter 4 along circumference equidistance, mounting 44 is the opening upwards and towards the L type of inner wall to form the caulking groove with the inner wall, the lug 431 inlays and locates in the caulking groove. The first filter 43 is horizontally disposed and embedded in the caulking groove. The first outlet pipe 82 is communicated with the position of the filter cartridge 4 below the first filter screen 43. Referring to fig. 2, three support legs 45 for supporting the filter cartridge 4 are fixedly disposed on the circumferential wall of the bottom of the filter cartridge 4, and the number of the support legs 45 is three. Cartridge filter 4 bottom is the spigot surface of closing up gradually downwards, and waste material mouth 46 has been seted up to cartridge filter 4 bottom, and sealing connection has waste material door 47 on the waste material mouth 46, is equipped with fourth bolt 48 on the waste material door 47, and fourth bolt 48 wears to locate waste material door 47 and waste material mouth 46 and threaded connection in fourth nut, fastens sealedly to waste material door 47. The side wall of the upper end of the filter cylinder 4 is connected with a filter opening 49, and the first outlet pipe 82 is communicated with the filter cylinder 4, then is guided out from the filter opening 49 and is communicated with the steam boiler 5.

The water vapor led out from the first outlet pipe 82 is introduced into the filter cartridge 4, and because the water vapor has a density higher than that of the air, the water vapor moves upward, passes through the first filter screen 43, and is led out from the filter openings 49 formed in the filter cartridge 4 to the steam boiler 5. Sundries are filtered out by the first filter screen 43 and fall to the bottom of the filter cylinder 4, the sundries slide into the waste material port 46 through the arranged guide surface and are stored, and when the sundries need to be cleaned, the fourth bolt 48 is unscrewed to open the waste material door 47, and the sundries are cleaned out. The first filter 43 is easily clogged with foreign materials after long-term use, resulting in poor filtering efficiency. Can open through the top of cartridge filter 4, and first filter screen 43 can be dismantled, makes first filter screen 43 can take out regularly and change and clean, has guaranteed first filter screen 43's filtration efficiency.

The implementation principle of the embodiment is as follows:

1. the raw material enters the rotary drum 1 through the feeding hole 14, the motor 3 drives the driving gear 61 to rotate, the driving gear 61 drives the driven gear 62 engaged with the driving gear to rotate, and the rotary drum 1 connected with the driven gear 62 through the fixing piece 44 rotates.

2. Steam generated by the steam boiler 5 is introduced into the interlayer 13 of the rotary drum 1 through the second air inlet pipe 83 to heat the inner container 12 of the rotary drum 1, and then the steam in the interlayer 13 is led out from one end of the rotary drum 1, directly introduced into the steam boiler 5 to be heated for the second time, and then continuously introduced into the interlayer 13 from the second air inlet pipe 83 for use. Then dry air is introduced into the inner cavity of the inner container 12 through the first air inlet pipe 81, the mixed raw materials in the inner cavity of the inner container 12 are led out to the filter cartridge 4 from the first air outlet pipe 82 at the discharging end of the rotary drum 1 together with steam generated by heating, and the raw materials rotating due to the rotary drum 1 are filtered by the second filter screen 821 and cannot leak out from the first air outlet pipe 82.

3. The water vapor led out from the first air outlet pipe 82 is led into the filter cylinder 4, because the density of the water vapor is larger than that of the air, the water vapor moves upwards, passes through the first filter screen 43 and is led out to the steam boiler 5 from the filter opening 49 formed in the filter cylinder 4, and impurities are filtered out by the first filter screen 43.

4. The raw material is led out of the spinning machine through a discharge port 15 after the drying is finished to carry out the spinning process.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a rotary drum drying device for chemical fiber production, includes rotary drum (1), locates rotary drum (1) both ends and rotate to be connected in support frame (2) of rotary drum (1) and be used for driving rotary drum (1) pivoted motor (3), feed inlet (14) and discharge gate (15) have been seted up respectively along vertical direction to rotary drum (1) perisporium, the both ends of rotary drum (1), its characterized in that are located to feed inlet (14) and discharge gate (15) branch: the rotary drum (1) comprises an inner container (12) and a shell (11), an interlayer (13) is formed between the inner container (12) and the shell (11), the inner container (12) is fixedly connected with the shell (11), one end of the rotary drum (1) is connected with a first air inlet pipe (81) communicated with the inner cavity of the inner container (12) and a second air inlet pipe (83) communicated with the interlayer (13) and used for introducing steam, the other end of the rotary drum (1) is connected with a first air outlet pipe (82) communicated with the inner cavity of the inner container (12) and a second air outlet pipe (84) communicated with the interlayer (13), the first air inlet pipe (81), the second air inlet pipe (83), the first air outlet pipe (82) and the second air outlet pipe (84) are rotatably connected to the rotary drum (1), the first air outlet pipe (82), the second air outlet pipe (84) and the second air inlet pipe (83) are communicated with a steam boiler (5) together.

2. A drum drying device for chemical fiber production according to claim 1, characterized in that: the second air outlet pipe (84) is sleeved outside the first air outlet pipe (82), the second air inlet pipe (83) is sleeved outside the first air inlet pipe (81), and the first air outlet pipe (82), the second air outlet pipe (84), the first air inlet pipe (81) and the second air inlet pipe (83) are coaxial with the rotation axis of the rotary drum (1).

3. A drum drying device for chemical fiber production according to claim 2, characterized in that: still be equipped with between rotary drum (1) and steam boiler (5) and be used for filtering cartridge filter (4) of gas in first outlet duct (82), be equipped with first filter screen (43) in cartridge filter (4), first outlet duct (82) are worn out second outlet duct (84) and are linked to cartridge filter (4), first outlet duct (82) and second outlet duct (84) sealing connection.

4. A drum drying device for chemical fiber production according to claim 3, characterized in that: first filter screen (43) are the level and set up in cartridge filter (4), first outlet duct (82) communicate in the position that cartridge filter (4) are located first filter screen (43) below.

5. A drum drying device for chemical fiber production according to claim 4, characterized in that: fixed stabilizer blade (45) that are used for supporting cartridge filter (4) that are equipped with on cartridge filter (4) bottom perisporium, stabilizer blade (45) are equipped with a plurality of, cartridge filter (4) bottom is the spigot surface that closes up gradually downwards, waste opening (46) have been seted up to cartridge filter (4) bottom, sealed and can dismantle on waste opening (46) and be connected with waste door (47).

6. A drum drying device for chemical fiber production according to claim 4, characterized in that: first filter screen (43) can dismantle and connect in cartridge filter (4), cartridge filter (4) top end opening and sealing connection have sealed lid (41).

7. A drum drying device for chemical fiber production according to claim 6, characterized in that: the fixed lug (431) that are used for the installation that are equipped with of terminal surface along its circumference under first filter screen (43), fixed a plurality of mounting (44) that are used for erectting first filter screen (43) that are equipped with of circumference equidistance are followed to cartridge filter (4) inner wall, mounting (44) are the opening upwards and towards the L type of inner wall to form the caulking groove with the inner wall, lug (431) are inlayed and are located in the caulking groove.

8. A drum drying device for chemical fiber production according to claim 1, characterized in that: and a second filter screen (821) is arranged at the communication position of the first air outlet pipe (82) and the inner container (12).

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