CN114803329A

CN114803329A - Screw conveyer

Info

Publication number: CN114803329A
Application number: CN202210493022.0A
Authority: CN
Inventors: 赵力; 魏剑锋; 邓文程
Original assignee: Changsha Zoomlion Environmental Industry Co Ltd
Current assignee: Changsha Zoomlion Environmental Industry Co Ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-07-29

Abstract

The invention discloses a screw conveyor which comprises a feeding hole, a discharging hole and a driving device arranged beside the discharging hole, wherein the driving device is connected with a shaft screw in a driving mode to form a squeezing section, the feeding hole is provided with a shaftless screw to form a conveying section, and the squeezing section is communicated with the conveying section in the conveying direction of the conveying section. The invention integrates the advantages of the shaftless screw and the shaft screw, integrates the shaftless conveying and the shaft pressing functions in one screw conveyer, and arranges power at the discharge port, integrates the advantages of the shaftless and the shaft screw conveyer, has compact arrangement and reduces energy consumption.

Description

Screw conveyer

Technical Field

The invention belongs to the technical field of treatment equipment for high-water-content materials (such as kitchen waste, kitchen waste and the like), and particularly relates to a spiral conveyor.

Background

The screw conveyer is a machine which utilizes a motor to drive a screw to rotate and push materials so as to realize the conveying purpose, and can convey the materials horizontally, obliquely or vertically. Has the advantages of simple structure, small volume, convenient operation, convenient closed transportation and the like, and is widely applied to the kitchen and kitchen waste treatment industry. Kitchen and kitchen waste materials usually contain high moisture and need to be further treated after dehydration.

The screw conveyer can be divided into a shafted screw conveyer and a shaftless screw conveyer in the conveying form, the shaftless screw conveyer is suitable for conveying materials, and the shafted screw conveyer can realize the squeezing and dehydration of wet component materials through the variable-pitch design.

The prior Chinese utility model patent CN202054396U discloses a solid-liquid screening screw conveyor, which comprises a screw body arranged obliquely, wherein the screw body is provided with a feed inlet at a low position and a discharge outlet at a high position, the bottom of the screw body is provided with sieve pores, and the inside of the screw body is provided with screw blades which are driven to rotate by a driving device, wherein the screw blades can be shaftless screw blades or shafted screw blades; in the conveying process of the helical blade, the water in the materials is seeped out and is leached out from the sieve pores by utilizing the gravity, and the rest solid materials are driven by the helical blade to be output from the discharge hole. The method has the advantages that the solid-liquid separation effect is not ideal, the residual solid materials still contain a large amount of water, the aim of effective dehydration cannot be fulfilled, and the subsequent treatment is inconvenient.

If preliminary solid-liquid separation of shaftless dehydration spiral and conveyor as that chinese utility model patent 202828777U disclosed again, be applicable to the dehydration and the transport of high moisture content kitchen and kitchen garbage, its shaftless screw conveyer including the slope setting, shaftless screw conveyer includes screw organism and shaftless helical blade, is equipped with the rotatory drive arrangement of drive shaftless helical blade at shaftless screw conveyer's low side, is equipped with decurrent outlet at the low side of screw organism for the drainage. The invention can not realize effective solid-liquid separation of materials and is inconvenient for subsequent treatment.

Disclosure of Invention

The invention aims to provide a screw conveyor which is of an integrated structure, integrates the advantages of an axial screw and a shaftless screw, is compact in structure and can reduce energy consumption.

In order to achieve the purpose, the invention adopts the following specific technical scheme:

the utility model provides a screw conveyer, its includes feed inlet, discharge gate and locates the drive arrangement of discharge gate side, the drive arrangement drive is connected with the axial screw and forms and squeezes the section, the feed inlet sets up shaftless spiral and forms the transport section, it is in to squeeze the section the direction of delivery of transport section is in with transport section intercommunication.

In the above scheme, the advantages of the shaftless screw and the shafted screw are integrated, the shaftless conveying and shafted pressing functions are integrated in one screw conveyer, power is arranged at the discharge port, the advantages of the shaftless and shafted screw conveyer are integrated, the arrangement is compact, and the energy consumption is reduced.

Preferably, the screw conveyor further comprises a machine body and a water collecting tank, wherein the water collecting tank is detachably mounted at the lower end of the machine body, so that a space for accommodating the shaft screw and the shaftless screw is formed between the machine body and the water collecting tank; the machine body is characterized in that the feed port is formed in one end of the machine body, the other end of the machine body extends to the outer side of the water collecting tank, and the discharge port is formed below the extending end.

The water collecting tank is arranged, so that sewage can be collected and discharged in a centralized manner. The water collecting tank is of a detachable assembly structure, and is favorable for maintaining each internal part

Preferably, a sealing strip is arranged between the water collecting tank and the machine body, and the sealing strip is extruded between the water collecting tank and the machine body in a clamping matching mode. The installation of water catch bowl adopts the tight complex mode of clamp, and on the one hand, it is quick convenient to install, and on the other hand forms the tight fit with the sealing strip after the installation, and compact structure not only can also avoid leaking water and gas.

Preferably, a drain outlet is arranged on one side of the water collecting tank, which is far away from the discharge port. The pollution discharge and the material discharge are not in the same direction, so that the interference is effectively avoided, and the smoothness of respective actions is ensured.

Preferably, the water collecting tank is obliquely arranged, and the sewage draining outlet is positioned at the low end of the water collecting tank. The inclined water collecting tank is beneficial to the effectiveness of sewage discharge and avoids sewage accumulation.

Preferably, the shaftless spiral and the shafted spiral are sleeved with filter plates, and the filter plates positioned below the shaftless spiral and the shafted spiral are detachable structures. The detachable filter plate is adopted, so that the maintenance and the replacement are easy; and the detachable filter plate can reduce the thickness, reduce the probability of filter hole blockage, and is favorable for normal operation of equipment.

Preferably, the filter plate is of a sectional structure, and each section is assembled along the axial direction of the screw conveyor. The sectional type structural design only needs to change the great wearing and tearing volume when overhauing at every turn, reduces the maintenance cost.

Preferably, the pitches of the blades on the shaft screw in the pressing section are sequentially reduced along the conveying direction; the screw pitches of the blades on the shaft-containing screw in the conveying section and the discharge port are equal to those of the blades on the shaftless screw. Through the design of reducing the screw pitch section by section, the material is continuously extruded and compressed in the squeezing section, the water in the material is squeezed out, and the discharge standard is met. And effective and equivalent conveying is realized through the design of equal screw pitches.

Compared with the related technology, the invention has the beneficial effects that:

the advantages of shaftless and shafted spiral conveying structures are integrated, the spiral conveyor with conveying and squeezing functions is formed, the arrangement is compact, the occupied installation space is reduced, and the energy consumption is reduced. The axial spiral blades realize high-efficiency dehydration by reducing the screw pitch, and the solid-liquid separation effect is good;

the first filter plate and the second filter plate which are designed in a sectional assembly mode are adopted, the spiral blades are supported, the design that an industrial lining plate and a spiral machine body groove plate are omitted, maintenance and replacement are easy, and filter holes are not easy to block;

thirdly, the water collecting tank is arranged to collect and discharge the sewage uniformly; the water collecting tank is fixed on the spiral machine body through the quick clamp and can be quickly disassembled and assembled, the contact part of the water collecting tank and the spiral machine body is provided with the sealing strip, and the water collecting tank is tightly pressed and sealed through the quick clamp so as to ensure that no water or air is leaked in the working process.

Drawings

Fig. 1 is a schematic view of an assembly structure of a screw conveyor of the present embodiment;

FIG. 2 is a top view of the screw conveyor of FIG. 1;

FIG. 3 is a schematic sectional view taken along line A-A in FIG. 2;

FIG. 4 is a schematic sectional view taken along line B-B of FIG. 1;

fig. 5 is a schematic sectional view taken along C-C of fig. 1.

The symbols in the figure illustrate: 1. a body; 2. a water collection tank; 3. a drive device; 4. an accommodating space; 5. a blade; 6. a sewage draining outlet; 7. a feed inlet; 8. a discharge port; 9. a first filter plate; 91. filtering with a screen; 92. a rib plate; 10. a second filter plate; 11. a third filter plate; 12. clamping; 13. a conveying section; 14. a pressing section; 15. a blanking section; 16. a sealing strip.

Detailed Description

For a better understanding of the objects, structure and function of the invention, a screw conveyor according to the invention will be described in more detail below with reference to the accompanying drawings.

As shown in fig. 1, the screw conveyor of the present embodiment includes a body 1, a water collection tank 2, and a driving device 3. As shown in fig. 4, the water collection tank 2 has a U-shaped cross section, and is detachably mounted to the lower end of the machine body 1 by a clamp 12, so that an accommodation space 4 is formed between the machine body 1 and the water collection tank 2. The grippers 12 are arranged in plural in the axial direction of the screw conveyor (as shown in fig. 1). When the water collecting tank 2 is installed, a sealing strip 16 is arranged between the machine bodies 1, and when the clamp 12 is locked, the sealing strip 16 is extruded and deformed, so that the spiral conveyor can be well ensured not to leak water or gas in the working process.

As shown in fig. 2, a feed inlet 7 is provided at an upper end of one side of the machine body 1, as shown in fig. 1, the other side of the machine body 1 extends to the outside of the water collecting tank 2, and a discharge outlet 8 is formed below the extending end. Drive arrangement 3 installs on organism 1, just drive arrangement 3 closes on discharge gate 8 and sets up. The water collecting tank 2 is obliquely arranged, and the sewage draining outlet 6 is positioned at the low end of the water collecting tank 2, namely the sewage draining outlet 6 is far away from the discharge hole 8.

As shown in fig. 3, the driving device 3 is a speed reducing motor, and a shaft screw is drivingly connected to a power output shaft of the speed reducing motor to form the pressing section 14. The feed inlet 7 is provided with a shaftless spiral forming conveying section 13, and the squeezing section 14 is communicated with the conveying section 13 in the conveying direction of the conveying section 13. There is the epaxial center pin of spiral to stretch out one section respectively to transport section 13 and discharge gate 8, stretching out one section of discharge gate 8 forms blanking section 15, blanking section 15 is located on organism 1, and discharge gate 8 is located blanking section 15's below. The power output direction of the drive device 3 coincides with the conveying direction of the conveying section 13. Both the shafted screw and the shaftless screw are located in the receiving space 4. The pitch of the blades 5 on the shaft screw decreases in the conveying direction in the press section 14. While the pitch on the conveying section 13 and the pitch on the blanking section 15 are equal to the pitch of the blades on the shaftless screw.

As shown in fig. 3, in the containing space 4, the shaft-less spiral is sleeved with a second filter plate 10 and a third filter plate 11, and the shaft-less spiral is sleeved with a first filter plate 9. As shown in fig. 4, the first filter plate 9 is semicircular and detachably mounted on the machine body 1 to form a U shape with the cross section of the machine body 1. The first filter plate 9 is positioned below the shaftless spiral, and the upper part of the first filter plate is opened and corresponds to the feed inlet 7. The first filter plate 9 comprises a filter screen 91 and a plurality of rib plates 92 arranged at the bottom of the filter screen 91. Screw holes are formed in two sides of the top of the rib plate 92, through holes are correspondingly formed in the machine body 1, and the screw holes and the through holes are fixed through bolts. The first filter plate 9 and the machine body 1 are installed through the rib plate 92, and meanwhile, the rigidity of the filter screen 91 is enhanced through the rib plate 92, so that the fixed installation is facilitated, and the thickness of the filter screen 91 can be reduced.

As shown in fig. 5, the second filter plate 10 and the third filter plate 11 are butted up and down to form a circular shape. The second filter plate 10 is fixed with the machine body 1, and the third filter plate 11 is detachably connected to the second filter plate 10. The third filter plate 11 also has a filter screen and a rib plate, and the structure of the third filter plate is the same as that of the first filter plate 9. The third filter plate 11 and the first filter plate 9 which are positioned below the shaftless spiral and the shafted spiral are detachable structures, and when the filter plate is replaced, the filter plate can be detached and replaced from the bottom of the spiral conveyor only by detaching the water collecting tank 2, so that the filter plate is easier to maintain and replace, the hole is not easy to block, and the normal operation of the equipment is ensured.

As shown in fig. 3, the first filter plate 9 is a segmented structure, and each segment is assembled along the axial direction of the screw conveyor. And during maintenance, only the filter plate with larger abrasion loss needs to be replaced, so that the maintenance cost is reduced. The third filter plate 11 and the second filter plate 10 may also be of a sectional type.

It is to be understood that the present invention has been described with reference to the embodiments, and those skilled in the art will recognize that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a screw conveyer, includes feed inlet and discharge gate, its characterized in that: the automatic conveying device is characterized by further comprising a driving device arranged beside the discharge port, the driving device is in driving connection with a shaft screw to form a squeezing section, the feed port is provided with a shaftless screw to form a conveying section, and the squeezing section is communicated with the conveying section in the conveying direction of the conveying section.

2. The screw conveyor according to claim 1, wherein: the water collecting tank is detachably arranged at the lower end of the machine body, so that a space for accommodating the axial screw and the shaftless screw is formed between the machine body and the water collecting tank; organism one end is equipped with the feed inlet, the organism other end extends to the water catch bowl outside, and should extend the below formation of end the discharge gate.

3. The screw conveyor according to claim 2, wherein: a sealing strip is arranged between the water collecting tank and the machine body, and the sealing strip is extruded between the water collecting tank and the machine body in a clamping matching mode.

4. The screw conveyor according to claim 2, wherein: one side of the water collecting tank, which is far away from the discharge hole, is provided with a sewage discharge outlet.

5. The screw conveyor according to claim 4, wherein: the water collecting tank is obliquely arranged, and the sewage draining outlet is positioned at the low end of the water collecting tank.

6. The screw conveyor according to claim 1, wherein: the filter plates are sleeved on the shaftless spiral and the shafted spiral, and the filter plates positioned below the shaftless spiral and the shafted spiral are detachable structures.

7. The screw conveyor according to claim 6, wherein: the filter plate is of a sectional structure, and all sections are assembled along the axial direction of the screw conveyer.

8. The screw conveyor according to claim 1, wherein: the screw pitches of the blades on the shaft screw on the squeezing section are sequentially reduced along the conveying direction; the screw pitches of the blades on the shaft screw in the conveying section and the discharge port are equal to those of the blades on the shaft-free screw.