CN218477162U - Screw press - Google Patents

Abstract

The utility model relates to a screw press, which comprises a shell, wherein the shell comprises a conveying section and a pressing section, a conveying screw is arranged in the conveying section, a driving structure connected with the conveying screw is arranged on the conveying section, and the conveying screw comprises at least one shaft section and at least one shaftless section; the head end of the conveying section is provided with a feed inlet, the tail end of the conveying section is provided with a water outlet, the squeezing section is connected to the tail end of the conveying section and extends in an upward inclined mode, and a discharge outlet is formed in the tail end of the squeezing section. In the utility model, the shaft section is configured for the conveying screw, so that the water squeezing rate of the conveying screw can be obviously improved, and the condition that partial materials pass through the hollow spiral area and are not squeezed or are not squeezed enough when the shaftless screw is adopted is avoided, thereby improving the overall squeezing effect of the screw squeezer; the squeezing section extends obliquely upwards, and water in the material can be automatically discharged under the action of gravity, so that the effect of gravity squeezing is achieved.

Description

Screw press

Technical Field

The utility model relates to a screw press can be used to fields such as sewage treatment.

Background

With the development of economy and the expansion of urbanization, a large amount of domestic garbage and industrial garbage are directly discharged into water without standard treatment, so that the total amount of pollutants exceeds the self-purification capacity of a water body, and solid wastes in water need to be treated and removed in a centralized manner. At present, solid wastes in water are mainly filtered through a trash rack machine, filter residues are conveyed to a grid residue screw press, and water in grid residues can be extruded to a certain degree; the prior grid slag screw press has the following problems:

(1) The screw press adopts a shaftless screw, and as the middle of the shaftless screw is hollow, part of filter residue is directly discharged out of the equipment without being fully compressed, and a good pressing effect is not achieved;

(2) The screw press is cylindrical, so that the conveying resistance is high, and the overhauling difficulty is high;

(3) After the filter residue is stopped, filter residue can be remained in the press, and the filter residue is not treated for a long time and is easy to harden, so that the machine is abnormally restarted, and a motor is burnt or equipment is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a screw press can solve prior art's part defect at least.

The utility model relates to a screw press, which comprises a shell, wherein the shell comprises a conveying section and a pressing section, a conveying screw is arranged in the conveying section, a driving structure connected with the conveying screw is arranged on the conveying section, and the conveying screw comprises at least one shaft section and at least one shaftless section; the head end of the conveying section is provided with a feed inlet, the tail end of the conveying section is provided with a water outlet, the squeezing section is connected to the tail end of the conveying section and extends in an upward inclined manner, and the tail end of the squeezing section is provided with a discharge outlet.

In one embodiment, the conveying screw is an integrated shaftless screw, and a shaft plate is mounted at a corresponding position to form the shaft section.

In one embodiment, the shaft plate is removably coupled to the shaftless screw.

In one embodiment, the conveying section comprises a groove-shaped shell and a cover plate which is detachably covered on the groove-shaped shell.

In one embodiment, the cover plate includes a plurality of cover plate segments, each of which is removably mounted to the trough-shaped housing.

In one embodiment, the inner wall of the groove-shaped shell is provided with a wear-resistant lining plate.

As one embodiment, the screw press further comprises a spraying mechanism, and a nozzle of the spraying mechanism is located in the housing.

As one embodiment, the spraying mechanism comprises a first spraying pipe arranged on the conveying section and a second spraying pipe arranged on the pressing section, and a plurality of nozzles are arranged on the first spraying pipe and the second spraying pipe.

In one embodiment, the spout enclosure is provided with a protective screen.

In one embodiment, the water supply pipe of the shower mechanism is provided with a filter.

The utility model discloses following beneficial effect has at least:

the screw press provided by the utility model is provided with the shaft section for the conveying screw of the conveying section, the water squeezing rate of the conveying screw can be obviously improved, and the situation that partial materials pass through the hollow spiral area without being squeezed or insufficient squeezing when the shaftless screw is adopted is avoided, so that the overall squeezing effect of the screw press is improved; squeeze the section tilt up and extend, water in the material can play the effect that gravity squeezed in the effect of gravity automatic discharge, and the material process of climbing can lead to the extrusion force increase between the material moreover, can improve and squeeze effect and efficiency.

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 is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic perspective view of a screw press according to an embodiment of the present invention;

fig. 2 is a top view of a screw press provided by an embodiment of the present invention;

fig. 3 is a cross-sectional view of a screw press provided by an embodiment of the present invention;

fig. 4 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A in fig. 3.

Detailed Description

The technical solutions in the embodiments of the present invention are described below clearly and completely, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-3, an embodiment of the present invention provides a screw press, which includes a housing, where the housing includes a conveying section 11 and a pressing section 12, a conveying screw 13 is disposed in the conveying section 11, and a driving structure 14 connected to the conveying screw 13 is disposed on the conveying section 11, where the conveying screw 13 includes at least one shaft section and at least one shaftless section; the head end of the conveying section 11 is provided with a feed inlet 15, the tail end of the conveying section 11 is provided with a water outlet 16, the squeezing section 12 is connected to the tail end of the conveying section 11 and extends in an upward inclined manner, and a discharge outlet is formed in the tail end of the squeezing section 12.

The shell can be provided with a supporting structure, so that the shell can be conveniently supported on a base plane; the support structure may employ a plurality of support legs.

The feed inlet 15 is arranged at the top of the conveying section 11; the water outlet 16 is arranged at the bottom of the conveying section 11, and preferably, a mesh 161 is arranged at the water outlet 16 to ensure smooth water drainage and prevent the material from being discharged from the water outlet 16, and the mesh 161 may be made of stainless steel.

The above-mentioned driving structure 14 may employ a conventional rotary driving device such as a motor + reducer, and may be installed at the end of the conveying section 11 through a mounting bracket or the like.

In this embodiment, squeeze section 12 tilt up and extend, and the water in the material can play the effect that gravity squeezed at the effect of gravity automatic discharge, and the material process of climbing can lead to the extrusion force increase between the material moreover, can improve and squeeze effect and efficiency.

Wherein, squeeze and can adopt hollow structure in the section 12, do not set up other structures promptly, can guarantee to arrange material efficiency when guaranteeing to squeeze the effect.

The number of the shaft sections can be one or more, and is determined according to the specific material pressing requirement. In this embodiment, as shown in fig. 3, there is one shaft segment and the shaft segment is disposed at the tail of the conveying segment 11, where the squeezed water can be directly discharged through the water outlet 16, so as to avoid the squeezed water being absorbed again by the material.

In this embodiment, a shaft section is configured for the conveying screw 13 of the conveying section 11, so that the pressing water yield of the conveying screw 13 can be significantly improved, and the situation that when a shaftless screw is adopted, part of materials pass through a screw hollow area and are not pressed or are not pressed sufficiently is avoided, so that the overall pressing effect of the screw press is improved.

In one embodiment, the conveyor screw 13 is a one-piece shaftless screw, and a shaft plate 131 is mounted at a corresponding position to form the shafted section. Preferably, the shaft plate 131 is detachably connected with the shaftless screw, so that the shaft plate 131 can be installed or not installed according to specific conditions, and the working flexibility of the screw press is improved; in addition, when a shaft section has faults or materials are wound, the maintenance and the repair are convenient. For the connection between the shaft plate 131 and the shaftless screw, a bolt connection is preferably used.

Further, the installation positions of the shaft plates 131 are arranged at each blade of the shaftless screw, and based on the structure, shaft sections can be formed at different positions of the shaftless screw, namely, the positions of the shaft sections can be adjusted, and the number of the shaft sections can be increased or decreased according to needs, so that the working flexibility and the application range of the screw press can be effectively improved.

In one embodiment, as shown in fig. 1 and 4, the conveying section 11 includes a trough-shaped housing 111 and a cover plate 112 detachably covering the trough-shaped housing 111.

Wherein, the groove-shaped shell 111 is U-shaped; preferably, a wear-resistant lining plate is arranged on the inner wall of the groove-shaped shell 111, so that the service life of the conveying section 11 can be effectively prolonged, and the wear-resistant lining plate is also in a U-shaped plate structure.

Wherein, the cover plate 112 may be a flat plate, which is laid on the top of the groove-shaped housing 111; in another embodiment, the inner side of the cover plate 112 may form a U-shaped groove, and the U-shaped groove and the groove-shaped housing 111 are spliced and enclosed to form a circular groove cavity adapted to the conveying screw 13, so as to improve the conveying efficiency and the pressing effect of the material.

The cover plate 112 and the groove-shaped shell 111 are preferably connected by bolts.

In one embodiment, the cover plate 112 comprises a plurality of cover plate 112 segments, and each of the cover plate 112 segments is detachably mounted on the slot-shaped housing 111. The cover plate 112 segments are sequentially arranged along the axial direction of the conveying screw 13, and part of the cover plate 112 segments can be selectively opened according to specific working conditions for maintenance, so that the maintenance is facilitated; particularly, in combination with the structure that the conveying screw 13 comprises at least one shaft section and at least one shaftless section, the number of the cover plate 112 segments is designed to be matched with the number of the sections of the conveying screw 13, namely, one cover plate 112 segment is respectively configured for each shaft section and each shaftless section, so that the maintenance is carried out in a targeted manner, and in consideration of the conditions that the shaft sections are easy to wind, block and the like, when a fault occurs, the cover plate 112 segments at the shaft sections can be preferentially opened, so that the fault can be quickly and effectively searched, and the maintenance efficiency is improved.

In one embodiment, the screw press further comprises a spraying mechanism 17, and the spray nozzle of the spraying mechanism 17 is located in the housing. The screw press that this embodiment provided can be used to the transport of sewage treatment intermediate product such as grid sediment/filter residue and squeeze the dehydration, and to this application scenario, above-mentioned spraying mechanism 17 can spray water, can soften or directly wash objects such as the filter residue that hardens in the screw press, reduces the material transport resistance in the screw press, improves the operational reliability and the security of screw press.

Preferably, the spraying mechanism 17 includes a first spraying pipe disposed on the conveying section 11 and a second spraying pipe disposed on the pressing section 12, and the first spraying pipe and the second spraying pipe are both provided with a plurality of nozzles. For the above-mentioned solution that the conveying section 11 includes the trough-shaped casing 111 and the cover plate 112, the first nozzle may be fixed on the inner plate surface of the cover plate 112, or may be mounted on the inner wall of the trough-shaped casing 111 through a pipe clamp.

In this embodiment, a flat plate structure is adopted in combination with the cover plate 112, two triangular areas 18 can be formed at the joint of the cover plate 112 and the trough-shaped shell 111, the two triangular areas 18 are located at two sides of the conveying screw 13, and when the first nozzle is arranged in the triangular area 18, sufficient nozzle arrangement space is provided, so that the first nozzle is ensured not to interfere with the conveying screw 13. Furthermore, two first nozzles are provided, which are arranged in the two triangular spaces 18, respectively, so that a reliable cleaning effect in the conveying section 11 is ensured.

Further preferably, the spout dustcoat is equipped with the protection filter screen, and this protection filter screen can adopt wire net etc. can prevent that the material from blockking up the spout.

Further preferably, a filter is arranged on a water supply pipe of the spraying mechanism 17, so that the water supply pipe can be prevented from being blocked, and the service life of the spraying mechanism 17 can be prolonged. In one embodiment, the filter is a Y-filter.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A screw press comprising a housing, characterized in that: the shell comprises a conveying section and a squeezing section, a conveying screw is arranged in the conveying section, a driving structure connected with the conveying screw is arranged on the conveying section, and the conveying screw comprises at least one shaft section and at least one shaftless section; the head end of the conveying section is provided with a feed inlet, the tail end of the conveying section is provided with a water outlet, the squeezing section is connected to the tail end of the conveying section and extends in an upward inclined mode, and a discharge outlet is formed in the tail end of the squeezing section.

2. A screw press as recited in claim 1, wherein: the conveying screw is an integrated shaftless screw, and a shaft plate is arranged at a corresponding position to form the shaft section.

3. A screw press as recited in claim 2, wherein: the shaft plate is detachably connected with the shaftless spiral.

4. A screw press as recited in claim 1, wherein: the conveying section comprises a groove-shaped shell and a cover plate which is detachably covered on the groove-shaped shell.

5. A screw press as recited in claim 4, wherein: the cover plate comprises a plurality of cover plate sections, and the cover plate sections are detachably mounted on the groove-shaped shell respectively.

6. A screw press as recited in claim 4, wherein: and a wear-resistant lining plate is arranged on the inner wall of the groove-shaped shell.

7. A screw press as recited in claim 1, wherein: the spraying mechanism is characterized by further comprising a spraying mechanism, and a nozzle of the spraying mechanism is located in the shell.

8. A screw press as recited in claim 7, wherein: the spraying mechanism comprises a first spraying pipe arranged on the conveying section and a second spraying pipe arranged on the squeezing section, and a plurality of nozzles are arranged on the first spraying pipe and the second spraying pipe.

9. A screw press as recited in claim 7, wherein: the outer cover of the nozzle is provided with a protective filter screen.

10. A screw press as recited in claim 7, wherein: and a filter is arranged on a water supply pipe of the spraying mechanism.

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