CN210213791U

CN210213791U - Shaftless screw conveyor

Info

Publication number: CN210213791U
Application number: CN201920760669.9U
Authority: CN
Inventors: Lijun Tian; 田利军
Original assignee: Shijiazhuang Longze Environmental Protection Technology Co Ltd
Current assignee: Shijiazhuang Longze Environmental Protection Technology Co Ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-03-31
Anticipated expiration: 2029-05-24

Abstract

The utility model discloses a shaftless screw conveyer, including conveyer barrel, sleeve, shaftless helical blade, drive arrangement and fan. The material can be dewatered during conveying of the material. The blower blows air to be discharged from the air outlet on the shaftless helical blade body, so that the material can be prevented from being remained and adhered to the inner wall of the conveyor barrel, and the dehydration of the material can be accelerated. Water on the material can be discharged through a first drain pipe from a first water permeable hole on the conveyor barrel, and can also be discharged through a second drain pipe from a second water permeable hole on the shaftless helical blade body, so that the drainage effect is better.

Description

Shaftless screw conveyor

Technical Field

The utility model relates to a material conveying equipment especially relates to a shaftless screw conveyer.

Background

The shaftless screw conveyor is mainly used for wastewater treatment, and for paper making industry, chemical industrial garbage and other industries to convey materials with strong adhesion, pasty viscous materials (such as chemical raw materials, waste paper pulp, malt, sludge and the like) and materials easy to wind (such as household garbage), and has unique advantages.

Because the conveyed materials are mainly high-adhesion and pasty viscous materials, the adhesion is very easy to remain on the inner wall of the cylinder body of the conveyor in the conveying process, especially on the bottom of the inner wall of the cylinder body of the conveyor, so that the use of the conveyor is influenced. In addition, when the existing shaftless screw conveyor conveys materials with high water content, the existing shaftless screw conveyor only plays a conveying role and cannot play an effective dewatering role, if the materials are further treated, generally a squeezer and the like are used for dewatering, two sets of equipment are respectively adopted, the occupied area is large, and the energy and operating cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shaftless screw conveyer to the not enough of above-mentioned prior art.

In order to solve the above problems, the utility model adopts the following technical proposal:

a shaftless screw conveyor comprises a conveyor barrel, a sleeve, a shaftless screw blade, a driving device and a fan, wherein a feed inlet is arranged at the upper part of the left end of the conveyor barrel, a discharge outlet is arranged at the lower part of the right end of the conveyor barrel, the sleeve is sleeved outside the conveyor barrel and positioned between the feed inlet and the discharge outlet, a plurality of first water permeable holes are formed in the area, covered by the sleeve, on the side wall of the conveyor barrel, a first drain pipe is arranged at the bottom of the sleeve, a valve is arranged on the first drain pipe, the shaftless screw blade comprises a shaftless screw blade body, a first rotating shaft and a second rotating shaft, a first cavity and a second cavity which are separated from each other are formed in the shaftless screw blade body, an air outlet is formed in the surface, facing the screw advancing direction, of the shaftless screw blade body, and the air outlet is communicated with the first cavity, the non-shaft helical blade body is characterized in that one surface of the non-shaft helical blade body, which deviates from the spiral advancing direction, is provided with a second water permeable hole, the second water permeable hole is communicated with a second cavity, the first rotating shaft is connected with the left end of the non-shaft helical blade body, the first rotating shaft penetrates through the conveyor barrel and then is in transmission connection with a driving device, the first rotating shaft is in running fit with the conveyor barrel, a third cavity communicated with the first cavity is formed in the first rotating shaft, the third cavity is connected with a fan through a first rotary joint, the second rotating shaft is connected with the right end of the non-shaft helical blade body, the second rotating shaft is provided with a second rotary joint after penetrating through the conveyor barrel, a fourth cavity communicated with the second cavity is formed in the second rotating shaft, and the fourth cavity is connected with a second drain pipe through the second rotary joint.

According to a further technical scheme, the pitch of the shaftless helical blade body is decreased progressively along the helical advancing direction.

The further technical scheme is that the conveyor barrel is erected on the supporting legs.

The further technical scheme is that the sleeve is provided with an observation window.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: the utility model discloses a shaftless screw conveyer can also dewater the material when carrying out the transport of material. The blower blows air to be discharged from the air outlet on the shaftless helical blade body, so that the material can be prevented from being remained and adhered to the inner wall of the conveyor barrel, and the dehydration of the material can be accelerated. Water on the material can be discharged through a first drain pipe from a first water permeable hole on the conveyor barrel, and can also be discharged through a second drain pipe from a second water permeable hole on the shaftless helical blade body, so that the drainage effect is better.

Drawings

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

FIG. 2 is an enlarged schematic view of section A of FIG. 1;

fig. 3 is an enlarged schematic view of a portion B in fig. 1.

In the figure: 1. a conveyor barrel; 2. a sleeve; 3. a drive device; 4. a fan; 5. a feed inlet; 6. a discharge port; 7. a first water permeable hole; 8. a first drain pipe; 9. a valve; 10. a shaftless helical blade body; 11. a first rotating shaft; 12. a second rotating shaft; 13. a first cavity; 14. a second cavity; 15. an air outlet; 16. a second water permeable hole; 17. a first rotary joint; 18. a second rotary joint; 19. a second drain pipe; 20. and (7) supporting legs.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1-3, a shaftless screw conveyor comprises a conveyor barrel 1, a sleeve 2, a shaftless screw blade, a driving device 3 and a fan 4, wherein a feed inlet 5 is arranged at the upper part of the left end of the conveyor barrel 1, a discharge outlet 6 is arranged at the lower part of the right end of the conveyor barrel 1, the sleeve 2 is sleeved outside the conveyor barrel 1, the sleeve 2 is positioned between the feed inlet 5 and the discharge outlet 6, a plurality of first water permeable holes 7 are arranged in the region of the side wall of the conveyor barrel 1, which is covered by the sleeve 2, a first water discharge pipe 8 is arranged at the bottom of the sleeve 2, a valve 9 is arranged on the first water discharge pipe 8, the shaftless screw blade comprises a shaftless screw blade body 10, a first rotating shaft 11 and a second rotating shaft 12, a first cavity 13 and a second cavity 14 which are mutually separated are arranged inside the shaftless screw blade body 10, an air outlet 15 is arranged at one side of the shaftless screw blade body 10 facing the screw advancing direction, the air outlet 15 is communicated with the first cavity 13, one side of the shaftless helical blade body 10 departing from the advancing direction of the helix is provided with a second permeable hole 16, the second water permeable hole 16 is communicated with the second cavity 14, the first rotating shaft 11 is connected with the left end of the shaftless helical blade body 10, the first rotating shaft 11 penetrates through the conveyor cylinder 1 and is connected with the driving device 3 in a transmission way, the first rotating shaft 11 is matched with the conveyor cylinder 1 in a rotating way, a third cavity communicated with the first cavity 13 is arranged in the first rotating shaft 11, the third cavity is connected with the fan 4 through a first rotating joint 17, the second rotating shaft 12 is connected with the right end of the shaftless helical blade body 10, a second rotating joint 18 is arranged after the second rotating shaft 12 passes through the conveyor barrel 1, a fourth cavity communicated with the second cavity 14 is formed in the second rotating shaft 12, and the fourth cavity is connected with a second water drainage pipe 19 through a second rotating joint 18.

In the present embodiment, the pitch of the shaftless helical blade body 10 decreases in the helical advancing direction. The extrusion force between the materials can be gradually increased, so that the dehydration effect is better. The conveyor cylinder 1 is erected on the support legs 20. The driving device 3 is a variable frequency motor. Furthermore, the inner wall of the conveyor barrel body 1 can be further provided with an anti-abrasion lining plate, a through hole is formed in the position, corresponding to the first water permeable hole 7, of the anti-abrasion lining plate, and the service life of the device is prolonged. The sleeve 2 is provided with an observation window, the amount of liquid in the sleeve can be observed through the observation window, and when the amount of liquid is large, the valve 9 is opened to discharge the liquid.

During the use, the material gets into from feed inlet 5, carry to discharge gate 6 under the drive of shaftless helical blade body 10, in transportation process, water on the material also can be extruded, partly in getting into sleeve 2 from the first hole of permeating water on the conveyer barrel, when the water in the sleeve 2 reaches a certain amount, open valve 9 and discharge through first drain pipe 8, another part is discharged through second drain pipe 19 from the second hole 16 of permeating water on the shaftless helical blade body 10, in the in-process of material transport, 4 bloies the air outlet 15 discharges from the shaftless helical blade body 10 of blowing of fan, can prevent that the material from remaining the adhesion at the conveyer barrel inner wall, can also accelerate the dehydration of material.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. A shaftless screw conveyor is characterized in that: comprises a conveyor barrel body (1), a sleeve (2), a shaftless helical blade, a driving device (3) and a fan (4), wherein a feed inlet (5) is arranged at the upper part of the left end of the conveyor barrel body (1), a discharge outlet (6) is arranged at the lower part of the right end of the conveyor barrel body (1), the sleeve (2) is sleeved outside the conveyor barrel body (1), the sleeve (2) is positioned between the feed inlet (5) and the discharge outlet (6), a plurality of first water permeable holes (7) are arranged in the region coated by the sleeve (2) on the side wall of the conveyor barrel body (1), a first drainage pipe (8) is arranged at the bottom of the sleeve (2), a valve (9) is arranged on the first drainage pipe (8), the shaftless helical blade comprises a shaftless helical blade body (10), a first rotating shaft (11) and a second rotating shaft (12), a first cavity (13) and a second cavity (14) which are mutually separated are arranged in the shaftless helical blade body (10), an air outlet (15) is formed in one surface, facing the spiral advancing direction, of the shaftless spiral blade body (10), the air outlet (15) is communicated with a first cavity (13), a second water permeable hole (16) is formed in one surface, facing away from the spiral advancing direction, of the shaftless spiral blade body (10), the second water permeable hole (16) is communicated with a second cavity (14), the first rotating shaft (11) is connected with the left end of the shaftless spiral blade body (10), the first rotating shaft (11) penetrates through the conveyor barrel (1) and then is in transmission connection with the driving device (3), the first rotating shaft (11) is in rotating fit with the conveyor barrel (1), a third cavity communicated with the first cavity (13) is formed in the first rotating shaft (11), the third cavity is connected with the fan (4) through a first rotating joint (17), and the second rotating shaft (12) is connected with the right end of the shaftless spiral blade body (10), and a second rotating joint (18) is arranged after the second rotating shaft (12) penetrates through the conveyor barrel (1), a fourth cavity communicated with the second cavity (14) is formed in the second rotating shaft (12), and the fourth cavity is connected with a second water drainage pipe (19) through the second rotating joint (18).

2. The shaftless screw conveyor of claim 1, wherein: the pitch of the shaftless helical blade body (10) decreases progressively along the direction of helical advancement.

3. The shaftless screw conveyor of claim 1, wherein: the conveyor barrel (1) is erected on the supporting legs (20).

4. The shaftless screw conveyor of claim 1, wherein: an observation window is arranged on the sleeve (2).