CN212378449U - Novel internal circulation type paddle dryer - Google Patents
Novel internal circulation type paddle dryer Download PDFInfo
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- CN212378449U CN212378449U CN202021146996.4U CN202021146996U CN212378449U CN 212378449 U CN212378449 U CN 212378449U CN 202021146996 U CN202021146996 U CN 202021146996U CN 212378449 U CN212378449 U CN 212378449U
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Abstract
The utility model discloses a novel internal circulation formula paddle desiccator, including two drying drums, the inside square cavity pivot that is equipped with of drying drum, the fixed reciprocal lead screw that is equipped with of square cavity pivot one end, square cavity pivot outer end is equipped with square ring, square cavity pivot contacts with square ring, square ring outer end runs through and is equipped with two first pipelines, the fixed hollow paddle of wedge type that is equipped with in first pipeline outer end, the hollow paddle outside of wedge type is equipped with the cavity scraper blade. The utility model discloses compact structure, unit volume heat transfer area is big, and the hollow paddle of wedge type makes the continuous renewal of heat transfer surface, has reinforceed the heat transfer, and the circulation that can be smooth after having walked original drying cylinder continues the drying in another drying cylinder, increases the material drying time, and the better requirement of satisfying the dry moisture of material and the requirement of unchangeable not changing the flavor ensure the high-quality high-demand of material reach drying effect.
Description
Technical Field
The utility model relates to a desiccator technical field, in particular to novel inner loop formula paddle desiccator.
Background
The existing paddle dryer consists of two rotating blade shafts, and drying is carried out by heating the blades and the cylinder wall; the material is dried and moves from the feed inlet to the discharge outlet in sequence, and the moisture is evaporated through heat transfer; the material is only controlled by the rotating speed in the drying process so as to adjust the residence time of the material in the drying chamber. The hollow blade dryer is a horizontal stirring type continuous drying device mainly based on heat conduction, and is called a blade dryer because a stirring blade is shaped like a paddle, and is also called a trough dryer or a stirring dryer abroad. Because the heat required by the drying of the equipment is indirectly heated by heat conduction, the drying process does not need or only needs a small amount of gas to take away moisture, the heat loss taken away by the airflow is greatly reduced, the heat utilization rate is improved, and the equipment is energy-saving drying equipment. The paddle dryer is widely applied to drying powdery, granular, filter cake-shaped and slurry-shaped materials in the industries of petrochemical industry, chemical industry, metallurgy, food, medicine, pesticide and the like.
Because the material moves in turn from the feed inlet to the discharge gate linear motion to lead to the material dwell time short, contact drying area is inactive, often appears the material and still has not dry thorough just face the difficult problem of ejection of compact, though can slow down material movement speed relatively through adjusting paddle shaft rotational speed, but the result that the material discolours and changes flavor has been strengthened with very big probability.
Therefore, in view of the above technical problems, it is necessary for those skilled in the art to develop a new internal circulation type paddle dryer.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a novel inner loop formula paddle desiccator.
In order to solve the technical problem, the utility model discloses a technical scheme does:
the utility model provides a novel internal circulation formula paddle desiccator, includes supporting seat and two dryer cylinders, two the dryer cylinder is the mutual welding of upper and lower distribution and is in the same place, the supporting seat is fixed in two dryer cylinder outer ends, the inside square cavity pivot that is equipped with of dryer cylinder, the dryer cylinder both ends are extended respectively to square cavity pivot both ends, square cavity pivot passes through sealed bearing swing joint with dryer cylinder, the fixed reciprocal lead screw that is equipped with of square cavity pivot one end, square cavity pivot outer end is equipped with square ring, square cavity pivot contacts with square ring, square ring outer end runs through and is equipped with two first pipelines, the fixed wedge type hollow paddle that is equipped with in first pipeline outer end, the wedge type hollow paddle outside is equipped with the cavity scraper blade, the fixed second pipeline that is equipped with between cavity scraper blade and the wedge type hollow paddle, square ring, the dry cylinder is connected together, The first pipeline, the wedge-shaped hollow blade, the second pipeline and the hollow scraper blade are all arranged inside the drying cylinder, the hollow scraper blade is in contact with the inner wall of the drying cylinder, the reciprocating screw rod is connected with a nut seat, the outer end of the nut seat is fixedly provided with two connecting rods, the two connecting rods are arranged on one side of the drying cylinder and extend into the drying cylinder, one end of the square ring is provided with a bearing, the square ring is fixedly connected with the inner ring of the bearing, the two connecting rods are fixedly arranged on the outer end of the outer ring of the bearing, the outer end of the square hollow rotating shaft is fixedly provided with a belt pulley, the belt pulley is arranged on the other side of the drying cylinder, the two belt pulleys are mutually connected through a belt, the other end of the square hollow rotating shaft is connected with an air supply pipe through a sealing bearing, the top of the outer end of the square, the rear side of the first gear is engaged with a second gear, one end of the second gear is fixedly provided with a motor, and the motor is fixedly arranged at the rear end of the supporting seat.
Preferably, the outer ends of the two drying cylinders are provided with blanking ports which are communicated.
Preferably, square cavity pivot, first pipeline, wedge type hollow blade, second pipeline and cavity scraper blade communicate in proper order, a plurality of through-holes have been seted up to square cavity pivot outer end, the inside fixed filter screen that is equipped with of through-hole, the through-hole is established in square ring one side.
Preferably, two the drying cylinder opposite side all is fixed and is equipped with the third pipeline, the third pipeline is established in the belt outside, two the third pipeline is from last down be inlet pipe and discharging pipe, two in proper order all fixed motorised valves that are equipped with on the third pipeline.
Preferably, a sealing ring is arranged on the outer side of the connecting rod and is in contact with the connecting rod, and the sealing ring is fixedly embedded on one side of the drying cylinder.
Preferably, a heating plate is fixedly arranged on the inner wall of the supporting seat and is in contact with a drying cylinder, an air outlet pipe is fixedly arranged at the top end of the drying cylinder and is arranged on one side of the supporting seat.
Preferably, the outer side surface of the wedge-shaped hollow blade is provided with an inclined surface.
By adopting the technical scheme, the method has the following beneficial effects:
the utility model discloses a heat transfer surface has several parts such as square cavity pivot, the first pipeline, wedge type hollow blade, the second pipeline, hollow scraper blade and drying cylinder's wall, equipment structure is compact, unit volume heat transfer area is big, the material carries out moisture evaporation in the process of motion transport with the high efficiency, two main heat transfer sides of wedge type hollow blade become the inclined plane, therefore the material can slide from the inclined plane very fast when contacting with the inclined plane, make the heat transfer surface constantly renew, the heat transfer has been strengthened, the design of hollow scraper blade can be scraped the material that deposits in the drying cylinder bottom, prevent to produce the dead angle, the material is dried on the drying cylinder of top and is got into the drying cylinder of bottom and is dried once more, make the material can smoothly circulate to another drying cylinder and continue drying after having walked original drying cylinder, the drawback of the material from feed inlet to discharge gate straight line single motion has been solved, material drying time has been increaseed, and fully contact with the heating area, better satisfy the requirement of dry moisture of material and the requirement of not discoloring and not changing flavor, ensure that the high-quality high-demand of material reaches drying effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a front view of a novel internal circulation type paddle dryer provided by the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1 of the novel internal circulation type paddle dryer provided by the present invention;
fig. 3 is a side view of a novel internal circulation type paddle dryer provided by the present invention;
fig. 4 is the wedge-shaped hollow blade structure diagram of the novel internal circulation type blade dryer provided by the utility model.
In the figure: the device comprises a support base 1, a drying cylinder 2, a square hollow rotating shaft 3, a reciprocating screw rod 4, a square ring 5, a first pipeline 6, a wedge-shaped hollow blade 7, a second pipeline 8, a hollow scraper 9, a nut seat 10, a connecting rod 11, a bearing 12, a belt pulley 13, an air supply pipe 14, a first gear 15, a second gear 16, a motor 17, a blanking port 18, a third pipeline 19 and a belt 20.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1-4, the novel internal circulation type paddle dryer of the present invention comprises a support base 1 and two drying cylinders 2, wherein the two drying cylinders 2 are distributed vertically and welded to each other, the support base 1 is fixed at the outer ends of the two drying cylinders 2, a square hollow rotating shaft 3 is arranged inside the drying cylinder 2, two ends of the square hollow rotating shaft 3 respectively extend out of two ends of the drying cylinder 2, the square hollow rotating shaft 3 is movably connected with the drying cylinder 2 through a seal bearing, one end of the square hollow rotating shaft 3 is fixedly provided with a reciprocating screw rod 4, the outer end of the square hollow rotating shaft 3 is provided with a square ring 5, the square hollow rotating shaft 3 is in contact with the square ring 5, two first pipelines 6 are arranged at the outer end of the square ring 5 in a penetrating manner, the outer end of the first pipeline 6 is fixedly provided with a wedge-shaped hollow paddle 7, and a hollow scraper 9 is arranged outside, a second pipeline 8 is fixedly arranged between the hollow scraper 9 and the wedge-shaped hollow blade 7, the square ring 5, the first pipeline 6, the wedge-shaped hollow blade 7, the second pipeline 8 and the hollow scraper 9 are all arranged in the drying cylinder 2, the hollow scraper 9 is contacted with the inner wall of the drying cylinder 2, the reciprocating screw rod 4 is connected with a nut seat 10, the outer end of the nut seat 10 is fixedly provided with two connecting rods 11, the two connecting rods 11 are arranged at one side of the drying cylinder 2 and extend into the drying cylinder 2, one end of the square ring 5 is provided with a bearing 12, the square ring 5 is fixedly connected with the inner ring of the bearing 12, the two connecting rods 11 are fixedly arranged at the outer end of the outer ring of the bearing 12, the outer end of the square hollow rotating shaft 3 is fixedly provided with a belt pulley 13, the belt pulley 13 is arranged at the other side of the drying cylinder 2, the two belt pulleys 13 are connected with each other through a belt 20, the, the top 3 outer ends of square cavity pivot on the drying cylinder 2 are fixed and are equipped with first gear 15, first gear 15 is established at 2 opposite sides of drying cylinder and is fixed to be established in belt pulley 13 one end, the meshing of 15 rear sides of first gear is equipped with second gear 16, the fixed motor 17 that is equipped with of 16 one end of second gear, motor 17 is fixed to be established in supporting seat 1 rear end.
Preferably, two blanking mouth 18 has all been seted up to the 2 outer ends of drying cylinder, two blanking mouth 18 is linked together, and the material in the drying cylinder 2 of the top of being convenient for falls into the drying cylinder 2 of bottom.
Preferably, square cavity pivot 3, first pipeline 6, wedge type hollow blade 7, second pipeline 8 and hollow scraper blade 9 communicate in proper order, a plurality of through-holes have been seted up to 3 outer ends of square cavity pivot, the inside fixed filter screen that is equipped with of through-hole, the through-hole is established in square ring 5 one side, the transmission of the hot gas flow of being convenient for.
Preferably, two 2 opposite sides of drying cylinder are all fixed and are equipped with third pipeline 19, third pipeline 19 is established in the belt 20 outside, two third pipeline 19 is from last down be inlet pipe and discharging pipe in proper order, two all fixed motorised valves that are equipped with on the third pipeline 19, the feeding or the unloading are opened to the control third pipeline 19 of being convenient for.
Preferably, a sealing ring is arranged on the outer side of the connecting rod 11 and is in contact with the connecting rod 11, and the sealing ring is fixedly embedded in one side of the drying cylinder 2 to seal the drying cylinder 2.
Preferably, the fixed hot plate that is equipped with on the 1 inner wall of supporting seat, the hot plate contacts with drying cylinder 2, the top the fixed outlet duct that is equipped with in 2 tops of drying cylinder, the outlet duct is established in 1 one side of supporting seat, and the vapor that the heating of being convenient for produced is discharged.
Preferably, the outer side surface of the wedge-shaped hollow blade 7 is an inclined surface, and two main heat transfer side surfaces of the wedge-shaped hollow blade 7 are inclined surfaces, so that when materials are in contact with the inclined surfaces, particles slide off the inclined surfaces quickly along with the rotation of the wedge-shaped hollow blade 7, the heat transfer surface is continuously updated, and the heat transfer is enhanced.
The working principle is as follows:
the raw materials are conveyed into the drying cylinder 2 at the top through a third pipeline 19 at the top, meanwhile, an air supply pipe 14 is connected with an external hot air blower to convey hot air into a square hollow rotating shaft 3, meanwhile, the hot air enters a first pipeline 6, a wedge-shaped hollow blade 7, a second pipeline 8 and a hollow scraper 9, meanwhile, a motor 17 is started, the motor 17 drives a second gear 16 to rotate, so as to drive a first gear 15 to rotate, so as to drive the square hollow rotating shaft 3 to rotate, the square hollow rotating shaft 3 rotates to drive a square ring 5, the first pipeline 6, the wedge-shaped hollow blade 7, the second pipeline 8 and the hollow scraper 9 to rotate to stir the materials, meanwhile, the square hollow rotating shaft 3 rotates to drive a reciprocating screw rod 4 to rotate, so that a nut seat 10 reciprocates along the reciprocating screw rod 4, so as to drive the square ring 5, the first pipeline 6, the wedge-shaped hollow blade 7, the second pipeline 8 and the hollow scraper 9 to reciprocate in a piston mode in the drying cylinder, the materials are stirred completely, because the connecting rod 11 is movably connected with the square ring 5 through the bearing 12, the rotating motion of the square ring 5 is not influenced, meanwhile, the wall surface of the drying cylinder 2 is heated through the heating plate, the square hollow rotating shaft 3, the first pipeline 6, the wedge-shaped hollow blade 7, the second pipeline 8, the hollow scraper 9, the wall surface of the drying cylinder 2 and other parts are arranged on the heat transfer surface, the equipment structure is compact, the unit volume heat transfer area is large, the materials are evaporated with high efficiency in the process of motion and transportation, two main heat transfer side surfaces of the wedge-shaped hollow blade 7 form an inclined surface, therefore, when the materials are contacted with the inclined surface, the particles slide away from the inclined surface quickly along with the rotation of the wedge-shaped hollow blade 7, the heat transfer surface is continuously updated, the heat transfer is enhanced, the hollow scraper 9 is designed to scrape the materials deposited at the bottom of the drying cylinder 2, the dead angle is prevented from being generated, the materials on the drying cylinder 2 at the top enter the drying cylinder 2, make the material circulate to another drying cylinder 2 and continue drying after having walked original drying cylinder 2 smoothly, the drawback of the dry single motion of material by feed inlet to discharge gate straight line has been solved, the material drying time has been increaseed, and fully contact with heating area, better satisfy the requirement of the dry moisture of material and the requirement of unchangeable not changing the flavor, ensure the drying effect that reaches of the high-quality high requirement of material, after the circulation drying is accomplished to the material, motorised valve on the third pipeline 19 is opened and is unloaded, ensure that the material is after accomplishing drying work, the work of the ejection of compact carries out smoothly.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (7)
1. The utility model provides a novel inner loop formula paddle dryer, includes supporting seat (1) and two drying cylinder (2), its characterized in that: the two drying cylinders (2) are mutually welded together in an up-down distribution manner, the supporting seat (1) is fixed at the outer ends of the two drying cylinders (2), a square hollow rotating shaft (3) is arranged inside the drying cylinders (2), two ends of the square hollow rotating shaft (3) respectively extend out of two ends of the drying cylinders (2), the square hollow rotating shaft (3) is movably connected with the drying cylinders (2) through a sealing bearing, a reciprocating screw rod (4) is fixedly arranged at one end of the square hollow rotating shaft (3), a square ring (5) is arranged at the outer end of the square hollow rotating shaft (3), the square hollow rotating shaft (3) is in contact with the square ring (5), two first pipelines (6) are arranged at the outer end of the square ring (5) in a penetrating manner, a wedge-shaped hollow blade (7) is fixedly arranged at the outer end of the first pipeline (6), and a hollow scraper (9) is arranged at the outer, a second pipeline (8) is fixedly arranged between the hollow scraper (9) and the wedge-shaped hollow blade (7), the square ring (5), the first pipeline (6), the wedge-shaped hollow blade (7), the second pipeline (8) and the hollow scraper (9) are all arranged inside the drying cylinder (2), the hollow scraper (9) is in contact with the inner wall of the drying cylinder (2), a nut seat (10) is connected onto the reciprocating screw rod (4), two connecting rods (11) are fixedly arranged at the outer end of the nut seat (10), the two connecting rods (11) are arranged at one side of the drying cylinder (2) and extend into the drying cylinder (2), a bearing (12) is arranged at one end of the square ring (5), the square ring (5) is fixedly connected with the inner ring of the bearing (12), the two connecting rods (11) are both fixedly arranged at the outer end of the outer ring of the bearing (12), and a belt pulley (13) is fixedly arranged at the outer end of the square hollow rotating shaft (3, establish at drying cylinder (2) opposite side, two belt pulley (13) are through belt (20) interconnect, square cavity pivot (3) other end is connected with air supply pipe (14), top through sealed bearing square cavity pivot (3) outer end on drying cylinder (2) is fixed and is equipped with first gear (15), establish at drying cylinder (2) opposite side and fixed establish in belt pulley (13) one end first gear (15), first gear (15) rear side meshing is equipped with second gear (16), second gear (16) one end is fixed and is equipped with motor (17), motor (17) are fixed to be established at supporting seat (1) rear end.
2. The novel internal circulation type paddle dryer according to claim 1, wherein: and two blanking ports (18) are formed in the outer end of the drying cylinder (2), and the two blanking ports (18) are communicated.
3. The novel internal circulation type paddle dryer according to claim 1, wherein: square cavity pivot (3), first pipeline (6), wedge type hollow blade (7), second pipeline (8) and hollow scraper blade (9) communicate in proper order, a plurality of through-holes have been seted up to square cavity pivot (3) outer end, the inside fixed filter screen that is equipped with of through-hole, the through-hole is established in quad ring (5) one side.
4. The novel internal circulation type paddle dryer according to claim 1, wherein: two drying cylinder (2) opposite side all is fixed and is equipped with third pipeline (19), third pipeline (19) are established in belt (20) outside, two third pipeline (19) are from last down be inlet pipe and discharging pipe in proper order, two all fixedly on third pipeline (19) be equipped with the motorised valve.
5. The novel internal circulation type paddle dryer according to claim 1, wherein: the outer side of the connecting rod (11) is provided with a sealing ring, the sealing ring is in contact with the connecting rod (11), and the sealing ring is fixedly embedded in one side of the drying cylinder (2).
6. The novel internal circulation type paddle dryer according to claim 1, wherein: the heating plate is fixedly arranged on the inner wall of the supporting seat (1), the heating plate is in contact with the drying cylinder (2), the air outlet pipe is fixedly arranged at the top end of the drying cylinder (2), and the air outlet pipe is arranged on one side of the supporting seat (1).
7. The novel internal circulation type paddle dryer according to claim 1, wherein: the outer side surface of the wedge-shaped hollow blade (7) is provided with an inclined surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021146996.4U CN212378449U (en) | 2020-06-19 | 2020-06-19 | Novel internal circulation type paddle dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021146996.4U CN212378449U (en) | 2020-06-19 | 2020-06-19 | Novel internal circulation type paddle dryer |
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| CN212378449U true CN212378449U (en) | 2021-01-19 |
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| CN202021146996.4U Active CN212378449U (en) | 2020-06-19 | 2020-06-19 | Novel internal circulation type paddle dryer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113819746A (en) * | 2020-06-19 | 2021-12-21 | 常州佳成干燥设备有限公司 | Novel internal circulation type paddle dryer |
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2020
- 2020-06-19 CN CN202021146996.4U patent/CN212378449U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113819746A (en) * | 2020-06-19 | 2021-12-21 | 常州佳成干燥设备有限公司 | Novel internal circulation type paddle dryer |
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