CN210426012U

CN210426012U - Firm barrel of expansion dryer structure

Info

Publication number: CN210426012U
Application number: CN201920769413.4U
Authority: CN
Inventors: 陶春风; 傅建立; 宋永胜; 张桂同; 杨才
Original assignee: Ningbo Changhong Polymer Technology Co ltd
Current assignee: Ningbo Changhong Polymer Technology Co ltd
Priority date: 2019-05-27
Filing date: 2019-05-27
Publication date: 2020-04-28
Anticipated expiration: 2029-05-27

Abstract

The utility model relates to a firm barrel of expansion dryer structure, including inner tube and the urceolus of cover setting outside the inner tube, be equipped with a plurality of ring evaginations on the global of inner tube, be equipped with the arrangement groove that the ring evagination corresponds on the urceolus, the ring evagination contacts with the inner wall of urceolus, adjacent ring evagination and urceolus enclose into the ring passageway, communicate through the through-hole between the adjacent ring passageway, be equipped with steam inlet and the comdenstion water export that communicates with the ring passageway that is close to the flange on the flange at urceolus both ends, the ring evagination has contact site and fixed part, the contact site of ring evagination closely contacts with the inner wall of urceolus, be equipped with the bush on the inner wall of inner tube, the fixed part is located the arrangement groove, wear to establish shear screw on the fixed part, shear screw connects bush and inner tube, two sets of, the integral rigidity and the strength of the cylinder body are greatly improved.

Description

Firm barrel of expansion dryer structure

Technical Field

The utility model belongs to the technical field of the chemical industry and specifically relates to a firm barrel of expansion drying machine structure.

Background

The barrel is expansion drying machine's core component, mainly plays the material feeding, and is dry, the effect of the ejection of compact, and original old tubular structure is that the inner tube is a whole drum, and the outer wall has vertically welded 4 root square steel, and the square steel both ends are sealed with the plectane, welds with the circular arc tile between per two square steel, drum both ends welding flange, and the defect of former barrel lies in:

the welding structure of the cylinder is complex, the welding times are many, and the welding deformation is large, so that the wall of the outer cylinder is easy to deform and leak and is difficult to repair;

the outer wall structure of the old cylinder body has large welding deformation, poor welding seam strength and poor reliability, and meanwhile, stress relief treatment is not carried out, so that the problems are more;

the square steel of the old cylinder body is much thicker than the walls of the inner cylinder body and the outer cylinder body, so that the welding structure is unreasonable, and the welding seam is not firm;

the overall rigidity of the old cylinder is poor and is not stable enough when bearing high pressure load.

Disclosure of Invention

The utility model aims at providing a firm barrel of expansion drying machine structure in order to solve the defect that prior art exists.

In order to realize the purpose, the utility model discloses a technical scheme as follows:

the utility model provides a firm barrel of expansion drying machine structure, includes that inner tube and cover establish the urceolus in the inner tube outside, be equipped with a plurality of ring evaginations on the global of inner tube, be equipped with the mounting groove that the ring evagination corresponds on the urceolus, the inner wall contact of ring evagination and urceolus, adjacent ring evagination and urceolus enclose into the ring passageway, through the through-hole intercommunication between the adjacent ring passageway, be equipped with on the flange at urceolus both ends with be close to the steam inlet and the comdenstion water export of the ring passageway intercommunication of flange.

The ring outer protrusion is provided with a contact part and a fixing part, the contact part of the ring outer protrusion is in close contact with the inner wall of the outer barrel, the inner wall of the inner barrel is provided with a lining, the fixing part is located in the arranging groove, the fixing part is provided with a shearing screw in a penetrating mode, and the shearing screw is connected with the lining and the inner barrel.

In the solid cylinder of the expansion dryer structure, two groups of semicircular rings are welded on two sides of the fixing part and are fixedly connected with the fixing part and the outer cylinder.

The firm cylinder body of the expansion dryer structure is characterized in that the outer cylinder is provided with return water tanks which are uniformly distributed along the circumferential direction.

In the solid cylinder with the expansion dryer structure, the two ends of the bushing are provided with the hard alloy overlaying layers with the hardness of Rc 45-55 degrees for supporting the power of the screw.

In the solid cylinder body with the expansion dryer structure, the circular ring protrudes outwards and is integrally formed with the inner cylinder.

The utility model has the advantages that: the peripheral surface of an inner barrel of the barrel structure is provided with a plurality of circular ring convex protrusions, the outer barrel is provided with a placement groove corresponding to the circular ring convex protrusions, the circular ring convex protrusions are in contact with the inner wall of the outer barrel, each circular ring convex protrusion is provided with a contact part and a fixing part, the contact parts of the circular ring convex protrusions are in close contact with the inner wall of the outer barrel, a lining is arranged on the inner wall of the inner barrel, the fixing parts are located in the placement grooves, shearing screws penetrate through the fixing parts and are connected with the lining and the inner barrel, two groups of semicircular rings are welded to two sides of the fixing parts, the semicircular rings are fixedly connected with the fixing parts and the outer barrel, the overall rigidity and the strength of the barrel are greatly improved, the stability of machine operation is;

in addition, adjacent circular ring evaginations and urceolus enclose into the ring passageway, communicate through the through-hole between the adjacent ring passageway, are equipped with on the flange at urceolus both ends and the steam inlet and the comdenstion water export of the ring passageway intercommunication of being close to the flange, provide the heat of heating through steam, have reduced the application of auxiliary heating raw materials, have lengthened the operating cycle, have reduced the running cost.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic side view of the present invention;

fig. 3 is an enlarged view of region a in fig. 1.

Detailed Description

As shown in fig. 1, fig. 2 and fig. 3, a solid cylinder of an expansion dryer structure comprises an inner cylinder 1 and an outer cylinder 2 sleeved outside the inner cylinder 1, a plurality of circular ring protrusions 3 are arranged on the circumferential surface of the inner cylinder 1, the circular ring protrusions 3 and the inner cylinder 1 are integrally formed, a mounting groove 4 corresponding to the circular ring protrusions 3 is arranged on the outer cylinder 2, the circular ring protrusions 3 are in contact with the inner wall of the outer cylinder 2, adjacent circular ring protrusions 3 and the outer cylinder enclose a circular ring channel 5, the adjacent circular ring channels 5 are communicated through holes 6, and a steam inlet and a condensed water outlet which are communicated with the circular ring channel 5 close to the flange are arranged on flanges at two ends of the outer cylinder 2.

Further, the circular outer protrusion 3 is provided with a contact part 31 and a fixing part 32, the circular outer protrusion contact part 31 is in close contact with the inner wall of the outer cylinder 2, the inner wall of the inner cylinder 1 is provided with a lining 7, the fixing part 32 is positioned in the placing groove 4, the fixing part 32 is provided with a shear screw 33 in a penetrating way, and the shear screw 33 is connected with the lining 7 and the inner cylinder 1. Two groups of semicircular rings 8 are welded on two sides of the fixing part 32, and the semicircular rings 8 are fixedly connected with the fixing part 32 and the outer cylinder 2.

Further, a water return tank 9 is arranged on the outer barrel 2, and the water return tank 9 is uniformly distributed along the circumferential direction. The two ends of the bush 7 are provided with hard alloy overlaying layers 10 with the hardness of Rc 45-55 degrees and used for supporting the power of the screw.

The circumferential surface of an inner cylinder 1 of the cylinder structure is provided with a plurality of circular ring outer protrusions 3, the circular ring outer protrusions 3 and the inner cylinder 1 are integrally formed, a placing groove 4 corresponding to the circular ring outer protrusions 3 is formed in the outer cylinder 2, the circular ring outer protrusions 3 are provided with a contact part 31 and a fixing part 32, the contact part 31 of the circular ring outer protrusions is tightly contacted with the inner wall of the outer cylinder 2, a lining 7 is arranged on the inner wall of the inner cylinder 1, the fixing part 32 is located in the placing groove 4, a shearing screw 33 penetrates through the fixing part 32, the shearing screw 33 is connected with the lining 7 and the inner cylinder 1, two groups of semicircular rings 8 are welded on two sides of the fixing part 32, the semicircular rings 8 are fixedly connected with the fixing part 32 and the outer cylinder 2, the integral rigidity and the strength of the cylinder are greatly improved, the stability of machine operation is;

in addition, adjacent circular ring evaginations 3 and urceolus enclose into circular ring passageway 5, communicate through-hole 6 between the adjacent circular ring passageway 5, are equipped with on the flange at urceolus 2 both ends and are close to the steam inlet and the comdenstion water export of the circular ring passageway 5 intercommunication of flange, provide the heat of heating through steam, have reduced the application of auxiliary heating raw materials, have lengthened the operating cycle, have reduced the running cost.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a firm barrel of expansion drying machine structure, includes that inner tube and cover establish the urceolus in the inner tube outside, its characterized in that, be equipped with a plurality of ring evaginations on the global of inner tube, be equipped with the mounting groove that the ring evagination corresponds on the urceolus, the ring evagination contacts with the inner wall of urceolus, and adjacent ring evagination and urceolus enclose into the ring passageway, through the through-hole intercommunication between the adjacent ring passageway, are equipped with on the flange at urceolus both ends and are close to the steam inlet and the comdenstion water export of the ring passageway intercommunication of flange.

2. The solid cylinder of an expansion dryer structure as claimed in claim 1, wherein the circular ring has a contact portion and a fixing portion, the contact portion of the circular ring is closely contacted with the inner wall of the outer cylinder, the inner wall of the inner cylinder is provided with a bushing, the fixing portion is located in the seating groove, and the fixing portion is provided with a shear screw, the shear screw connects the bushing and the inner cylinder.

3. The structural solid cylinder of an expansion dryer as claimed in claim 2, wherein two sets of semi-circular rings are welded to both sides of the fixing portion, and the semi-circular rings are fixedly connected with the fixing portion and the outer cylinder.

4. The robust barrel of an expansion dryer structure as claimed in claim 1, wherein said outer barrel is provided with water return grooves which are circumferentially and uniformly arranged.

5. The solid cylinder of an expansion dryer structure as claimed in claim 1, wherein the bushing has two ends provided with hard alloy overlay layers with hardness Rc 45-55 degrees for supporting the power of the screw.

6. A solid cylinder of an expansion dryer structure as claimed in claim 1, wherein said circular ring protrusion is integrally formed with the inner cylinder.