CN218260367U - Shaftless screw conveyor for sludge conveying - Google Patents

Abstract

The utility model belongs to the technical field of screw conveyer, a shaftless screw conveyer for silt is carried is disclosed, include: the radial side wall of the conveying cylinder is provided with a plurality of through holes; the front box body is arranged at the front end of the conveying cylinder, and the bottom of the front box body is lower than that of the conveying cylinder; the first shaftless helical blade is arranged in the front box body, the rear end of the first shaftless helical blade extends into the conveying cylinder, and the first shaftless helical blade is connected with the intermediate shaft; the second shaftless helical blade is arranged in the conveying cylinder, the front end of the second shaftless helical blade is connected with the middle shaft, and the first shaftless helical blade and the second shaftless helical blade can rotate respectively through the middle shaft. The utility model provides a current screw conveyer's function singleness, can't carry out the problem of partial dehydration to silt.

Description

Shaftless screw conveyor for sludge conveying

Technical Field

The utility model belongs to the technical field of screw conveyer, in particular to shaftless screw conveyer for silt is carried.

Background

The screw conveyer is a device which utilizes a motor to drive a screw to rotate, pushes materials to move and realizes the conveying and moving of the materials, has the advantages of simple structure, convenient operation, convenient closed transportation and the like, and is widely applied to the fields of environmental protection, buildings, mineral products and the like. Screw conveyors can be divided into shafted screw conveyors and shaftless screw conveyors, wherein the shafted screw conveyors are generally used for transporting non-viscous dry powder materials and small particle materials, such as cement, fly ash, lime and the like, and the shaftless screw conveyors are suitable for transporting pasty or semi-fluid materials which are high in viscosity, easy to wind and easy to block, such as sludge, biomass and the like.

China generates a great amount of muddy waste every year. The muddy waste mainly comprises river sludge, municipal sludge, building slurry, shield sludge and the like. The muddy waste has high water content and can be subsequently transported and recycled after reduction treatment. The existing screw conveyor has single function and cannot perform partial dehydration treatment on sludge.

SUMMERY OF THE UTILITY MODEL

The utility model provides a shaftless screw conveyer for silt is carried, aim at solve current screw conveyer's function singleness, can't carry out the problem of partial dehydration to silt.

In order to solve the technical problem, the utility model provides a technical scheme as follows:

a shaftless screw conveyor for sludge transport, comprising:

a plurality of conveying cylinders are arranged on the radial side wall of the conveying cylinder

A through hole;

the front box body is arranged at the front end of the conveying cylinder; the bottom of the preposed box body is lower than the bottom of the conveying cylinder;

the feed inlet is formed in the top of the front box body;

the first motor is arranged at the front end of the front box body; the driving end of the first motor penetrates through the side wall of the front box body, and the front box body is internally fixed with a driving shaft

The rear end of the first shaftless spiral blade extends into the conveying cylinder and is connected with a first shaftless spiral blade

An intermediate shaft;

the second motor is arranged at the rear end of the conveying cylinder; the output end of the second motor penetrates through the side wall of the conveying cylinder, and is fixed in the conveying cylinder

A second shaftless helical blade, the front end of which is connected with the intermediate shaft, through which the first shaftless helical blade and the second shaftless helical blade can rotate respectively;

and the discharge port is arranged at the lower part of the rear end of the conveying cylinder.

Further, the shaftless screw conveyor further comprises:

the cleaning box is arranged at the bottom of the front box body; the cleaning box can be drawn out from the bottom of the front box body.

Furthermore, a filter screen is arranged in each through hole; the screen allows moisture to pass through and blocks sludge particles.

Further, the shaftless screw conveyor further comprises:

the drain tank is sleeved outside the conveying cylinder; the drain box covers all the through holes; the bottom of the drain tank is provided with

A hydrophobic port.

Further, the shaftless screw conveyor further comprises:

the high-pressure spray heads are multiple and are arranged on the conveying cylinders at the front ends of all the through holes; the high-pressure spray head faces to the oblique front of the inner side of the conveying cylinder; the high-pressure nozzles are connected with external high-pressure water, and when the high-pressure water is started, all the high-pressure nozzles form water flow which rotates and advances along the inner wall of the conveying cylinder in the conveying cylinder.

The utility model discloses following beneficial effect has at least:

1. the extrusion force of the sludge is controlled by controlling the rotating speed difference of the first shaftless helical blade and the second shaftless helical blade, so that the dewatering amount is controllable, and the sludge dewatering is completed in the conveying process.

2. The front-mounted box body and the cleaning box are arranged, so that large stones and other solids are cleaned out, and damage to the blades and the conveying barrel is avoided.

3. High-pressure water is sprayed into the conveying cylinder through the high-pressure nozzle to form water flow which rotationally advances along the inner wall of the conveying cylinder, and the through hole and the filter screen on the side wall of the conveying cylinder are cleaned to prevent residual sludge from blocking the through hole after being dried.

Drawings

Fig. 1 is a structural diagram of a shaftless screw conveyor for conveying sludge according to an embodiment of the present invention.

In the figure: 1-conveying cylinder, 2-through hole, 3-preposed box body, 4-feeding hole, 5-first motor, 6-first shaftless helical blade, 7-intermediate shaft, 8-second motor, 9-second shaftless helical blade, 10-discharging hole, 11-cleaning box, 12-drain box, 13-drain hole and 14-high pressure nozzle.

Detailed Description

The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to only those embodiments. On the contrary, the intention of implementing the novel features described in connection with the embodiments is to cover other alternatives or modifications which may be extended based on the claims of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Furthermore, some of the specific details are omitted from the description so as not to obscure or obscure the present invention. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

It should be noted that in this specification, like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

In the description of the present embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the element to which the present invention is directed must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present embodiment, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present embodiment can be understood in specific cases by those of ordinary skill in the art.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Referring to fig. 1, a shaftless screw conveyer for silt is carried, including a conveying cylinder 1, the front end of conveying cylinder 1 is provided with leading box 3, and the bottom of leading box 3 is less than the bottom of conveying cylinder 1, and the bottom of leading box 3 is provided with cleaning box 11, and cleaning box 11 can be taken out from leading box 3 bottom, conveniently clears up its inside. Feed inlet 4 has been seted up at leading box 3 top, and first motor 5 is installed to the front end, and the drive end of first motor 5 runs through the lateral wall of leading box 3 to be fixed with first shaftless helical blade 6 in leading box 3 internal fixation. The rear end of the first shaftless spiral blade 6 extends into the conveying cylinder 1 and is connected with the intermediate shaft 7. The rear end of the conveying cylinder 1 is provided with a second motor 8, the output end of the second motor 8 penetrates through the side wall of the conveying cylinder 1, and a second shaftless helical blade 9 is fixed in the conveying cylinder 1. The front end of the second shaftless helical blade 9 is connected with the intermediate shaft 7, and the first shaftless helical blade 6 and the second shaftless helical blade 9 can respectively rotate through the intermediate shaft 7. The lower part of the rear end of the conveying cylinder 1 is provided with a discharge hole 10. A plurality of through-holes 2 have been seted up to the radial lateral wall of transport section of thick bamboo 1, and the joint has the filter screen in through-hole 2, and the filter screen allows moisture to pass through to block most silt granule. The outside cover of carrying section of thick bamboo 1 is equipped with drain box 12, and drain box 12 covers all through-holes 2. The bottom of the drain tank 12 is opened with a drain port 13.

A plurality of high-pressure nozzles 14 are attached to the transport cylinder 1 at the front ends of all the through holes 2, and the high-pressure nozzles 14 face obliquely forward inside the transport cylinder 1. The high-pressure spray heads 14 are connected with external high-pressure water, and when the high-pressure water is started, all the high-pressure spray heads 14 form water flow which rotationally advances along the inner wall of the conveying cylinder 1 in the conveying cylinder 1.

The principle and the using method of the utility model are as follows:

silt gets into leading box 3 from feed inlet 4, and first motor 5 drive first shaftless spiral blade 6 is rotatory, sends into a conveying section of thick bamboo 1 with silt, and at this in-process, solid heavy objects such as bold stone sink into in the clearance case 11 of leading box 3 bottom under gravity and stirring, and operating personnel can take out clearance case 11 regularly, clears up inside solid waste. The second motor 8 drives the second shaftless helical blade 9 to rotate, sludge entering the conveying cylinder 1 is conveyed to the tail part of the conveying cylinder 1, and the sludge falls from the discharge port 10. When partial dehydration is required to be carried out on the sludge, the rotating speeds of the first motor 5 and the second motor 8 are controlled, so that the feeding speed of the first shaftless spiral blade 6 is higher than the conveying speed of the second shaftless spiral blade 9, the sludge is extruded, and moisture is extruded from the sludge and is discharged into the drain tank 12 from the through hole 2 and then is discharged through the drain port 13. Before stopping the machine every time, high-pressure water is started, the high-pressure spray head 14 sprays high-pressure water into the conveying cylinder 1 to form water flow which rotationally advances along the inner wall of the conveying cylinder 1, the through holes 2 and the filter screen on the side wall of the conveying cylinder 1 are cleaned, and the through holes 2 are prevented from being blocked after residual sludge is dried.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, and all modifications, equivalents, improvements and the like that are made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims (5)

1. A shaftless screw conveyor for sludge conveyance, comprising:

a plurality of conveying cylinders are arranged on the radial side wall of the conveying cylinder

A through hole;

the front box body is arranged at the front end of the conveying cylinder; the bottom of the front box body is lower than the bottom of the conveying cylinder;

the feed inlet is formed in the top of the front box body;

the first motor is arranged at the front end of the front box body; the driving end of the first motor penetrates through the side wall of the front box body, and the front box body is internally fixed with a driving shaft

The rear end of the first shaftless spiral blade extends into the conveying cylinder and is connected with a first shaftless spiral blade

An intermediate shaft;

the second motor is arranged at the rear end of the conveying cylinder; the output end of the second motor penetrates through the side wall of the conveying cylinder, and is fixed in the conveying cylinder

A second shaftless helical blade, the front end of which is connected with the intermediate shaft, through which the first shaftless helical blade and the second shaftless helical blade can rotate respectively;

and the discharge port is arranged at the lower part of the rear end of the conveying cylinder.

2. The shaftless screw conveyor of claim 1, further comprising:

the cleaning box is arranged at the bottom of the front box body; the cleaning box can be drawn out from the bottom of the front box body.

3. The shaftless screw conveyor of claim 1, wherein a screen is mounted in each of said through holes; the screen allows moisture to pass through and blocks sludge particles.

4. The shaftless screw conveyor of claim 1, further comprising:

the drain tank is sleeved outside the conveying cylinder; the drain box covers all the through holes; the bottom of the drain tank is provided with

A hydrophobic port.

5. The shaftless screw conveyor of claim 1, further comprising:

the high-pressure spray heads are multiple and are arranged on the conveying cylinders at the front ends of all the through holes; the high-pressure spray head faces to the oblique front of the inner side of the conveying cylinder; the high-pressure nozzles are connected with external high-pressure water, and when the high-pressure water is started, all the high-pressure nozzles form water flow which rotates and advances along the inner wall of the conveying cylinder in the conveying cylinder.

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