CN212431592U

CN212431592U - Drying cylinder with improved drying efficiency

Info

Publication number: CN212431592U
Application number: CN202020989179.9U
Authority: CN
Inventors: 吕俊奇; 徐春玉; 刘永; 胡启波
Original assignee: Suzhou Gangsong Building Materials Co ltd
Current assignee: Suzhou Gangsong Building Materials Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-01-29
Anticipated expiration: 2030-06-03

Abstract

The utility model relates to a stoving section of thick bamboo with improve drying efficiency, it is including placing subaerial frame, fixedly connected with both ends difference open-ended stoving section of thick bamboo in the frame, the solid fixed ring of fixedly connected with is distinguished at the both ends of stoving section of thick bamboo lateral wall, gu fixed ring has the closing cap through bolt-up connection, it has the feed inlet to open on the closing cap, one side of frame is equipped with the combustion chamber, the combustion chamber intercommunication has the feeding storehouse, the top in feeding storehouse is opened there is the charge door, feeding storehouse and feed inlet intercommunication, the stoving section of thick bamboo inclines towards ground along the direction of keeping away from the feeding storehouse, the below of charge door is equipped with one side open-ended feeding slide in the feeding storehouse, feeding slide's opening is towards the charge door, feeding slide fixed connection is in feeding storehouse, feeding slide. The utility model has the advantages of improve a stoving section of thick bamboo drying efficiency.

Description

Drying cylinder with improved drying efficiency

Technical Field

The utility model belongs to the technical field of the technique of a stoving section of thick bamboo and specifically relates to a stoving section of thick bamboo with improve drying efficiency is related to.

Background

When the dry-mixed mortar is produced, the water content of the raw material sand is required to be less than 0.5%, and the raw material sand cannot be directly used for the production of the dry-mixed mortar due to too high water content, so that the raw material sand needs to be dried before being used, and the water content of the raw material sand meets the condition of meeting the production requirement of the dry-mixed mortar.

Chinese patent with publication number CN110296589A discloses a wet sand drying device, which comprises a drying cylinder, wherein the drying cylinder is composed of a double-layer cylinder wall, a heating chamber is formed between an inner side wall and an outer side wall, the right side of the drying cylinder inclines upwards, a feed inlet is arranged on the left upper portion of the drying cylinder, a discharge outlet is arranged on the lower portion of the right side of the drying cylinder, a steam inlet is arranged on the left lower portion of the drying cylinder, a steam outlet is arranged on the upper portion of the right side of the drying cylinder, the steam inlet is connected with a steam generator, a stirring shaft is arranged in the drying cylinder, a spiral propeller is arranged on the stirring shaft, and a motor for driving the stirring shaft.

When the wet sand drying device is used, hot air flow is firstly introduced into the heating chamber, and the inner side wall of the drying cylinder is preheated. After preheating a period of time, add the wet sand from the feed inlet, the wet sand drops on the inside wall of drying cylinder, and on the heat transfer on the inside wall arrived the wet sand, moisture in the wet sand endothermically evaporates, has realized the stoving to the wet sand. When wet sand is added, a motor is started, the motor drives a stirring shaft to rotate, the stirring shaft drives a spiral propeller to rotate, the spiral propeller not only realizes stirring of the wet sand, but also realizes pushing the dried sand out of the drying cylinder from a discharge hole.

After foretell drying cylinder was added to the wet sand, the wet sand dropped on the drying cylinder inside wall and formed and piles up, and the wet sand stoving of inside wall direct contact is very fast, and piled up not dry slower with the wet sand of inside wall direct contact, in order to ensure that the sand of releasing from the discharge gate has dried completely, the wet sand needs longer stoving time in the drying cylinder, consequently, drying device's drying efficiency is lower, exists obviously not enoughly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a drying cylinder with improve drying efficiency, can improve drying cylinder's drying efficiency not enough to prior art exists.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a drying drum with improved drying efficiency comprises a frame arranged on the ground, a drying drum with two open ends is fixedly connected on the frame, two ends of the outer side wall of the drying cylinder are respectively and fixedly connected with a fixing ring, the fixing rings are fixedly connected with sealing covers through bolts, one sealing cover is provided with a feeding hole, a combustion chamber is arranged on one side of the frame, the combustion chamber is communicated with a feeding bin, the feeding bin is close to one end of a feeding hole of the drying cylinder, the top of the feeding bin is provided with a feeding port, the feeding bin is communicated with the feeding port, the drying cylinder inclines towards the ground along the direction far away from the feeding bin, a feeding slideway with an opening at one side is arranged below the feeding opening in the feeding bin, the opening of the feeding slideway faces to the feeding opening, the feeding slideway is fixedly connected with the feeding bin, extends into the drying cylinder and is parallel to the drying cylinder;

keep away from being connected with driving motor on the closing cap of feed inlet, driving motor's output shaft passes the closing cap and extends to the stoving section of thick bamboo in, fixed cover is equipped with the rolling disc on the output shaft that driving motor is located the stoving section of thick bamboo, the rolling disc is the coaxial fixedly connected with a plurality of churn in one side of driving motor dorsad, and a plurality of churn is along the direction diameter grow gradually of keeping away from the axis, has the interval between two adjacent churns, the feeding slide is located the churn that the diameter is minimum, and the bottom that is located the feeding slide in the churn is opened along the direction of keeping away from the feeding storehouse has a plurality of relief hole, it has a plurality of discharge opening to open on the churn, the one end bottom that the feeding storehouse was kept away from to stoving section.

By adopting the technical scheme, the combustion chamber combusts to introduce hot air into the drying drum for preheating, and the temperature of the stirring drum and the drying drum rises. The wet sand is added from the feeding bin, the wet sand slides into the drying cylinder along the feeding slide way, and falls into the stirring cylinder through the discharge hole in the sliding process, and the stirring cylinder is in contact with the wet sand to dry the wet sand. The driving motor is started, the driving motor drives the rotating disc to rotate, the rotating disc rotates to drive the stirring barrel to rotate, in the stirring process, the wet sand drops to the bottom of the drying barrel from the discharging hole on the stirring barrel one by one, the layered drying is realized on the wet sand by the aid of the stirring barrels, the contact area between the wet sand and hot air is increased, the time required by drying the wet sand is shortened, and the drying efficiency of the wet sand is improved. The sand that drops in drying cylinder inside wall bottom rolls out the drying cylinder along the diapire of slope from the discharge gate, has realized the ejection of compact. The utility model discloses a layering is dried to the green sand to a plurality of churn, has increased the area of contact of green sand and hot gas flow, has reduced the green sand and has dried required time, has improved the drying efficiency of a stoving section of thick bamboo.

The present invention may be further configured in a preferred embodiment as: the feeding slide is "U" type setting, the coaxial fixedly connected with dwang of output shaft that driving motor is located a stoving section of thick bamboo, the dwang is located the feeding slide and extends to the below of charge door, fixedly connected with is spiral helicine feeding blade on the dwang.

Through adopting above-mentioned technical scheme, driving motor drive dwang rotates, and the dwang rotates and drives reinforced blade and rotate, and reinforced blade rotates in pushing into the churn with the green sand, has reduced the accumulational possibility of green sand in the feeding slide. Meanwhile, when the wet sand moves in the feeding slideway, the hot air flow dries the wet sand, and the feeding blade rotates to turn over and copy the wet sand, so that the drying efficiency of the wet sand is improved.

The present invention may be further configured in a preferred embodiment as: the diameter of the discharge hole is gradually increased along the direction far away from the feeding bin.

Through adopting above-mentioned technical scheme, can make more even distribution of green sand in whole churn, it is more to have reduced in the churn that is nearer apart from the feeding storehouse green sand, and the less possibility of green sand in the churn far away from the feeding storehouse is favorable to improving the stoving effect of green sand.

The present invention may be further configured in a preferred embodiment as: the lateral wall of the mixing drum with the largest diameter is fixedly connected with a spiral pushing blade along the length direction, and the pushing blade is abutted against the inner lateral wall of the drying drum.

Through adopting above-mentioned technical scheme, push away the material blade and can release the drying cylinder with piling up the sand of drying in drying cylinder inside wall bottom, reduced the possibility that the sand of drying is piled up in a large number in the bottom of drying cylinder inside wall.

The present invention may be further configured in a preferred embodiment as: the inner side wall circumference fixedly connected with of churn a plurality of stirring strip, the stirring strip is on a parallel with the churn.

Through adopting above-mentioned technical scheme, when the churn rotated, the churn drove the stirring strip and rotated, can be with piling up the wet abrasive band in the churn bottom to the eminence and turn over when the stirring strip rotated, was favorable to improving the stoving effect of churn to the wet sand.

The present invention may be further configured in a preferred embodiment as: the discharge holes on the mixing drums are arranged in a staggered mode.

Through adopting above-mentioned technical scheme, the crisscross setting of discharge opening makes the wet sand can abundant stoving in a plurality of churn, has reduced the wet sand and has directly dropped the possibility to the stoving section of thick bamboo in from the feeding slide.

The present invention may be further configured in a preferred embodiment as: the position of one side of the sealing cover provided with the feed inlet and facing the driving motor, which corresponds to the mixing drum, is provided with an inserting groove, and one end of the mixing drum, which is far away from the driving motor, is inserted in the inserting groove and is rotationally connected with the same.

Through adopting above-mentioned technical scheme, pushing away material blade and inserting groove and providing the support for the setting of churn, improved the stability in the churn working process.

The present invention may be further configured in a preferred embodiment as: and a plurality of top supporting rods are supported between two adjacent mixing drums and point to the axis of the mixing drum, and the top supporting rods are fixedly connected with the mixing drums.

Through adopting above-mentioned technical scheme, when a stoving section of thick bamboo was dried the wet sand, the temperature in the stoving section of thick bamboo is higher, and the setting up of top vaulting pole can reduce the churn high temperature atress and take place the possibility of warping.

To sum up, the utility model discloses a following beneficial technological effect: through a plurality of churns, realized the layering stoving to the green sand, increased the area of contact of green sand and hot gas flow, less the required time of green sand stoving, improved the drying efficiency of a stoving section of thick bamboo.

Drawings

Fig. 1 is a schematic structural diagram for embodying the present invention;

FIG. 2 is a sectional view showing the connection among the feeding bin, the feeding port, the rotating rod and the feeding chute;

FIG. 3 is a schematic structural diagram for showing the connection relationship among the mixing drum, the fixing ring, the turning strip, the top stay bar and the drying drum;

FIG. 4 is a schematic structural view for showing the connection relationship among the mixing drum, the pusher blade, the rotating disc and the discharge hole;

FIG. 5 is a sectional view for showing the connection relationship among the rotary disk, the top stay bar, the discharge hole and the agitating drum;

FIG. 6 is a schematic diagram of a structure for embodying a feed chute;

fig. 7 is a schematic diagram of a structure for embodying a closure adjacent to a feed bin.

In the figure, 1, a frame; 2. a drying drum; 3. a fixing ring; 4. sealing the cover; 5. a feed inlet; 6. a combustion chamber; 7. a feeding bin; 8. a feed inlet; 9. a feed chute; 10. a drive motor; 11. rotating the disc; 12. a mixing drum; 13. a discharge hole; 14. a discharge opening; 15. a discharge port; 16. rotating the rod; 17. a charging blade; 18. a pusher blade; 19. turning over the material strips; 20. inserting grooves; 21. a top brace rod; 22. and (7) fixing the plate.

Detailed Description

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

Referring to fig. 1 and 7, for the utility model discloses a drying cylinder with improve drying efficiency, including placing frame 1 subaerial, frame 1 welding has both ends difference open-ended drying cylinder 2. Fixed rings 3 are welded at two ends of the outer side wall of the drying cylinder 2 respectively, the fixed rings 3 are connected with sealing covers 4 through bolt fastening, and a feeding hole 5 is formed in one sealing cover 4.

Referring to fig. 1 and 2, a combustion chamber 6 is arranged on one side of the frame 1, the combustion chamber 6 is communicated with a feeding bin 7, the feeding bin 7 is close to one end of a feeding port 5 of the drying cylinder 2, a feeding port 8 is formed in the top of the feeding bin 7, and the feeding bin 7 is communicated with the feeding port 5. The combustion chamber 6 works to generate hot air flow, and the hot air flow enters the drying cylinder 2 through the feeding bin 7 to dry the wet sand.

Referring to fig. 1 and 2, drying cylinder 2 inclines towards the ground along the direction of keeping away from feeding bin 7, and the below of charge door 8 is equipped with one side open-ended feeding slide 9 in feeding bin 7, and feeding slide 9 is "U" type setting, and the opening of feeding slide 9 is towards charge door 8. Feeding slide 9 and feeding bin 7's inside wall welded fastening, feeding slide 9 extends to in section of thick bamboo 2, and feeding slide 9 is on a parallel with section of thick bamboo 2 of drying. The wet sand is fed from the feed port 8 and falls onto the feed chute 9 and slides into the drum 2 along the inclined feed chute 9.

Referring to fig. 1 and 2, a fixing plate 22 is welded on the cover 4 far away from the feed opening 5, and a driving motor 10 is fixedly connected to the fixing plate 22 through a bolt. The output shaft of drive motor 10 extends through lid 4 and into drum 2. The coaxial welded fastening of output shaft that driving motor 10 is located drying cylinder 2 has dwang 16, and dwang 16 is on a parallel with drying cylinder 2, and dwang 16 is located feeding slide 9 and extends to the below of charge door 8, and the welding has on the dwang 16 to be spiral helicine feeding blade 17.

Referring to fig. 1 and 3, the driving motor 10 drives the rotating rod 16 to rotate, the rotating rod 16 rotates to drive the feeding blade 17 to rotate, and the feeding blade 17 rotates to push the wet sand into the mixing drum 12, so that the possibility of accumulation of the wet sand in the feeding slideway 9 is reduced. Meanwhile, when the wet sand moves in the feeding slideway 9, the hot air flow dries the wet sand, and the feeding blade 17 rotates to turn over the wet sand, so that the drying efficiency of the wet sand is improved.

Referring to fig. 3 and 4, a rotating disc 11 is sleeved on an output shaft of the driving motor 10 located in the drying drum 2, and the rotating disc 11 is welded and fixed with the output shaft of the driving motor 10. One side of the rotating disc 11, which faces away from the driving motor 10, is coaxially welded with a plurality of mixing drums 12, the diameters of the plurality of mixing drums 12 are gradually increased along the direction away from the axis, and a distance is reserved between every two adjacent mixing drums 12.

Referring to fig. 1 and 2, the feeding chute 9 is located in a mixing drum 12 with the smallest diameter, the bottom of the feeding chute 9 located in the mixing drum 12 is provided with a plurality of discharge holes 13 along the direction far away from the feeding bin 7, the mixing drum 12 is provided with a plurality of discharge holes 14, and the bottom of one end of the outer side wall of the drying drum 2 far away from the feeding bin 7 is provided with a discharge hole 15.

Referring to fig. 3 and 4, the driving motor 10 is started, the driving motor 10 drives the rotating disc 11 to rotate, the rotating disc 11 rotates to drive the stirring cylinder 12 to rotate, in the stirring process, the wet sand drops to the bottom of the drying cylinder 2 from the discharging hole 14 on the stirring cylinder 12 one by one, the stirring cylinders 12 realize layered drying on the wet sand, the contact area between the wet sand and hot air flow is increased, the time required by drying the wet sand is shortened, and the drying efficiency of the wet sand is improved.

Referring to fig. 6, the discharge hole 13 is along the direction diameter grow gradually of keeping away from feeding storehouse 7, can make more even distribution of wet sand in whole churn 12, and it is more to have reduced the wet sand in the churn 12 that is nearer apart from feeding storehouse 7, and the less possibility of wet sand in the churn 12 that is far away from feeding storehouse 7 is favorable to improving the stoving effect of wet sand.

Referring to fig. 5, the discharge holes 14 on the plurality of mixing drums 12 are arranged in a staggered manner, and the discharge holes 14 are arranged in a staggered manner, so that the wet sand can be sufficiently dried in the plurality of mixing drums 12, and the possibility that the wet sand directly falls into the drying drum 2 from the feeding slide way 9 is reduced.

Referring to fig. 3 and 4, a spiral pushing blade 18 is welded to the outer side wall of the mixing drum 12 with the largest diameter along the length direction thereof, and the pushing blade 18 abuts against the inner side wall of the drying drum 2. The material pushing blade 18 can push the dried sand accumulated at the bottom of the inner side wall of the drying cylinder 2 out of the drying cylinder 2, so that the possibility that the dried sand is accumulated at the bottom of the inner side wall of the drying cylinder 2 in a large quantity is reduced.

Referring to fig. 3, a plurality of stirring strips 19 are welded on the inner side wall of the stirring cylinder 12 in the circumferential direction, and the stirring strips 19 are parallel to the stirring cylinder 12. When the mixing drum 12 rotates, the mixing drum 12 drives the stirring strip 19 to rotate, and when the stirring strip 19 rotates, the wet sand belt accumulated at the bottom of the mixing drum 12 can be lifted to a high position, so that the drying effect of the mixing drum 12 on the wet sand can be improved.

Referring to fig. 7, a plug-in groove 20 is formed in a position, corresponding to the mixing drum 12, of one side of the cover 4, facing the driving motor 10, where the feed inlet 5 is formed, and one end of the mixing drum 12, which is far away from the driving motor 10, is inserted into the plug-in groove 20 and is rotatably connected with the same. The pushing blade 18 and the inserting groove 20 provide support for the arrangement of the mixing drum 12, and stability of the mixing drum 12 in the working process is improved.

Referring to fig. 3 and 5, a plurality of top supporting rods 21 are supported between two adjacent mixing drums 12, the top supporting rods 21 are arranged to point to the axis of the mixing drums 12, and the top supporting rods 21 and the mixing drums 12 are fixed in a welding mode. When the drying drum 2 dries the wet sand, the temperature in the drying drum 2 is high, and the arrangement of the top stay bar 21 can reduce the possibility of deformation of the mixing drum 12 due to high-temperature stress.

The implementation principle of the embodiment is as follows: the combustion chamber 6 firstly introduces hot air flow into the drying cylinder 2, the heat of the hot air flow is transferred to the drying cylinder 2 and the mixing cylinder 12, and the temperature of the drying cylinder 2 and the mixing cylinder 12 is increased. The green sand is added from the feed opening 8 and falls onto the feed chute 9. When adding the wet sand, start driving motor 10, driving motor 10's output shaft drives dwang 16 and rotates, and dwang 16 rotates and drives reinforced blade 17 and rotate, and reinforced blade 17 rotates the even distribution of wet sand in whole agitator. The output shaft of driving motor 10 can drive rolling disc 11 and rotate, and rolling disc 11 rotates and drives churn 12 and rotate, and churn 12 and wet sand contact have realized the stoving to the wet sand, and a plurality of churns 12 communicate with each other, have realized that the multilayer of wet sand is dried, and stirring strip 19 is in the rotation in-process of churn 12 with the wet sand area to eminence and the stirring, has improved the stoving effect of wet sand. In the rotating process of the mixing drums 12, wet sand passes through the discharge holes 14 on the mixing drums 12 and falls on the bottom wall of the inner side wall of the drying drum 2, the mixing drums 12 rotate to drive the pushing blades 18 to rotate, and the pushing blades 18 rotate to push out dried sand accumulated on the bottom wall of the inner side wall of the drying drum 2 from the discharge hole 15.

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

1. The utility model provides a drying cylinder with improve drying efficiency which characterized in that: comprises a machine frame (1) placed on the ground, wherein both ends of the machine frame (1) are fixedly connected with a drying cylinder (2) with openings respectively, both ends of the outer side wall of the drying cylinder (2) are fixedly connected with fixing rings (3) respectively, the fixing rings (3) are connected with sealing covers (4) through bolt fastening, a feeding port (5) is arranged on one sealing cover (4), one side of the machine frame (1) is provided with a combustion chamber (6), the combustion chamber (6) is communicated with a feeding bin (7), the feeding bin (7) is close to one end of the feeding port (5) of the drying cylinder (2), the top of the feeding bin (7) is provided with a feeding port (8), the feeding bin (7) is communicated with the feeding port (5), the drying cylinder (2) inclines towards the ground along the direction of keeping away from the feeding bin (7), a feeding slide way (9) with an opening on one side is arranged below the feeding port (8) in the feeding bin, the opening of the feeding slide way (9) faces the feeding opening (8), the feeding slide way (9) is fixedly connected to the feeding bin (7), the feeding slide way (9) extends into the drying drum (2), and the feeding slide way (9) is parallel to the drying drum (2);

keep away from and be connected with driving motor (10) on feed inlet (5) closing cap (4), the output shaft of driving motor (10) passes closing cap (4) and extends to in drying cylinder (2), driving motor (10) are located the output shaft of drying cylinder (2) and fixed cover is equipped with rolling disc (11), the coaxial fixedly connected with a plurality of churns (12) of one side of driving motor (10) is dorsad in rolling disc (11), a plurality of churns (12) grow gradually along the direction diameter of keeping away from the axis, have the interval between two adjacent churns (12), feeding slide (9) are located the churn (12) that the diameter is the minimum, the bottom of feeding slide (9) that are located churn (12) is opened along the direction of keeping away from feeding storehouse (7) has a plurality of relief hole (13), it has a plurality of discharge opening (14) to open on churn (12), and a discharge outlet (15) is formed at the bottom of one end of the outer side wall of the drying cylinder (2) far away from the feeding bin (7).

2. The drying drum with drying efficiency improving function as claimed in claim 1, wherein: feeding slide (9) are "U" type setting, driving motor (10) are located the coaxial fixedly connected with dwang (16) of output shaft in a section of thick bamboo of drying (2), dwang (16) are located feeding slide (9) and extend to the below of charge door (8), fixedly connected with is spiral helicine reinforced blade (17) on dwang (16).

3. The drying drum with drying efficiency improving function as claimed in claim 1, wherein: the diameter of the discharge hole (13) is gradually increased along the direction far away from the feeding bin (7).

4. The drying drum with drying efficiency improving function as claimed in claim 1, wherein: the outer side wall of the stirring cylinder (12) with the largest diameter is fixedly connected with a spiral pushing blade (18) along the length direction, and the pushing blade (18) is abutted to the inner side wall of the drying cylinder (2).

5. The drying drum with drying efficiency improving function as claimed in claim 1, wherein: the stirring device is characterized in that a plurality of material turning strips (19) are fixedly connected to the circumferential direction of the inner side wall of the stirring cylinder (12), and the material turning strips (19) are parallel to the stirring cylinder (12).

6. The drying drum with drying efficiency improving function as claimed in claim 1, wherein: the discharge holes (14) on a plurality of mixing drums (12) are arranged in a staggered way.

7. The drying drum with drying efficiency improving function as claimed in claim 1, wherein: one side of the sealing cover (4) provided with the feed port (5) facing the driving motor (10) is provided with an inserting groove (20) corresponding to the position of the stirring cylinder (12), and one end of the stirring cylinder (12) far away from the driving motor (10) is inserted in the inserting groove (20) and is rotationally connected with the inserting groove.

8. The drying drum with drying efficiency improving function as claimed in claim 1, wherein: a plurality of top supporting rods (21) are supported between two adjacent mixing drums (12), the top supporting rods (21) are arranged in a mode of pointing to the axes of the mixing drums (12), and the top supporting rods (21) are fixedly connected with the mixing drums (12).