CN219273611U - Screening device for screening water sand and stone materials - Google Patents

Abstract

A screening device for screening sand and stone materials on water comprises a ship body, wherein a sand bin and a sand and stone screening device are arranged on the ship body, a chain bucket elevator is arranged in the sand bin, the sand and stone screening device comprises a drum screen, a sand screening section and a stone screening section are sequentially arranged on the drum screen, a sand outlet belt conveyor is arranged below the sand screening section, a stone outlet belt conveyor is arranged at the lower part of the stone screening section, a chute barrel is respectively arranged at the output ends of the sand outlet belt conveyor and the stone outlet belt conveyor, a guide hopper is arranged at the other end of the bottom of the drum screen, a crusher is arranged at the discharge end of the crusher, a return belt conveyor is arranged at the top of the sand bin, and the feed inlet of the drum screen is provided with the bottom of the discharge opening of the chain bucket elevator. The device can freely move on water, realizes that the sand and stone materials in the river channel are processed into finished product materials in situ, has the advantages of simple device and convenient use, saves the material transportation link in the river channel sand and stone material processing process, avoids the joint investment of various devices, and reduces the processing cost of the finished product materials.

Description

Screening device for screening water sand and stone materials

Technical Field

The utility model relates to the technical field of processing of water sand and stone, in particular to a screening device for screening water sand and stone materials.

Background

The natural sand and stone materials in the river channel of China are rich in reserves, and sand and stone materials meeting various particle size requirements of the building aggregate are produced after the natural sand and stone materials in the river channel are mined, so that the market requirements of the building aggregate are met.

At present, a method for producing the relevant water sand and stone materials in China mainly adopts a chain bucket type sand dredger to mine natural sand and stone materials in a river channel, and then the natural sand and stone materials are transported to a sand and stone material processing system on the shore for crushing and screening processing; the production efficiency is low, the yield is low, and the natural sand and stone materials are required to be transported to the shore to be processed into qualified products, then the qualified products are transported to a use place by loading or shipping, and the raw materials and the finished products are transported for multiple times, so that the cost is high. Therefore, how to manufacture a screening device for screening water sand and stone materials, which can solve the problems in the prior art, is a technical problem to be solved.

Disclosure of Invention

The utility model provides a screening device for screening water sand and stone materials based on the technical problems, and aims to solve the problems in the background art.

In view of this, the present utility model proposes a screening device for screening sand on water, comprising: hull, the hull on be provided with grit storehouse and sand screening plant, grit storehouse in be provided with chain bucket elevator, grit screening plant include the drum sieve, the drum sieve on set gradually sand screen section and sieve stone section, sand screen section under be provided with out sand belt feeder, sieve stone section lower part be provided with out sand belt feeder, out sand belt feeder with out stone belt feeder output be provided with the swift current section of thick bamboo respectively, drum sieve bottom other end be provided with the guide hopper, the guide hopper discharge gate be provided with the breaker, the breaker discharge gate be provided with back material belt feeder, the output of back material belt feeder set up in the grit storehouse top, the feed inlet of drum sieve be provided with the discharge gate bottom of chain bucket elevator.

Further, the sand screening section and the bottom of the stone screening section are respectively provided with a screening hopper.

Further, the hull on set gradually preceding deck, grit storehouse and back deck, preceding deck bottom be provided with the equipment compartment, back deck bottom be provided with the storing storehouse, grit screening plant set up on the back deck.

Further, the bottom of the equipment cabin is provided with a sand sucking device, and a discharge hole of the sand sucking device is arranged at the top of the sand cabin.

Further, overflow pipes are respectively arranged on the ship bodies at two sides of the upper part of the sand and stone bin.

Further, the rear deck is provided with an equipment support, and the sand screening device is arranged on the rear deck through the equipment support.

Further, a front partition board is detachably arranged between the equipment cabin and the sand cabin, and a rear partition board is detachably arranged between the sand cabin and the storage cabin.

Further, a cab is arranged on the ship body, and a screen feeding hopper is arranged on a feeding hole of the rotary screen.

Compared with the prior art, the device pumps sand and stone materials into the sand and stone bin through the sand suction device, then continuously drags out sand and stone materials from the bottom of the sand and stone bin to a drum screen at the top of the sand and stone screening device for screening through the chain bucket elevator, the qualified sand and stone materials are conveyed to finished product material conveying ships at two sides of a ship body through the belt conveyor and the chute barrel for conveying away, and the ultra-diameter materials return to the sand and stone bin for entering the next circulation after entering the crusher for crushing, so that the crushing and screening work of underwater natural sand and stone materials in a river channel is continuously realized, the mining efficiency is improved, and the yield is improved;

the device can freely move on water, realizes that the sand and stone materials in the river channel are processed into finished product materials in situ, has the advantages of simplicity, convenience in use, saving of material transportation links in the processing process of the sand and stone materials in the river channel, avoiding the joint investment of various devices, reducing the processing cost of the finished product materials and improving the sand production efficiency.

Drawings

FIG. 1 shows a schematic overall structure of the present utility model;

in the figure: 1 ship body, 2 rear deck, 3 front deck, 4 sand cabin, 5 equipment bracket, 6 drum screen, 601 sand screen section, 602 stone screen section, 7 undersize hopper, 8 guide hopper, 9 crusher, 10 feed back belt conveyor, 11 sand discharge belt conveyor, 12 stone discharge belt conveyor, 13 chute barrel, 14 chain bucket elevator, 15 overflow pipe, 16 equipment cabin, 17 storage cabin, 18 front baffle, 19 rear baffle, 20 sand suction device, 21 cab, 22 screening upper hopper.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and the scope of the utility model is therefore not limited by the following disclosure.

The technical scheme of the utility model is further described below with reference to fig. 1.

A first embodiment is shown in fig. 1: a screening apparatus for screening water sand and stone materials, comprising: hull 1, hull 1 on be provided with grit storehouse 4 and sand screening plant, grit storehouse 4 in be provided with chain bucket elevator 14, grit screening plant include drum screen 6, drum screen 6 on set gradually sand screen section 601 and sieve stone section 602, sand screen section 601 under be provided with out sand belt conveyor 11, sieve stone section 602 lower part be provided with out sand belt conveyor 12, out sand belt conveyor 11 with out sand belt conveyor 12 output be provided with swift 13 respectively, drum screen 6 bottom other end be provided with guide hopper 8, guide hopper 8 discharge gate be provided with breaker 9, breaker 9 discharge gate be provided with feed back belt conveyor 10, the output of feed back belt conveyor 10 set up sand storehouse 4 top, the feed inlet of drum screen 6 be provided with the discharge gate bottom of chain bucket elevator 14.

The bottoms of the sand sieving section 601 and the stone sieving section 602 are respectively provided with an undersize hopper 7. The ship body 1 on have set gradually preceding deck 3, grit storehouse 4 and back deck 2, preceding deck 3 bottom be provided with equipment compartment 16, back deck 2 bottom be provided with storing storehouse 17, grit screening plant set up back deck 2 on.

The bottom of the equipment cabin 16 is provided with a sand sucking device 20, and a discharge hole of the sand sucking device 20 is arranged at the top of the sand cabin 4. The ship body 1 on two sides of the upper part of the rear part of the sand and stone bin 4 is respectively provided with an overflow pipe 15. The rear deck 2 is provided with an equipment bracket 5, and the sand screening device is arranged on the rear deck 2 through the equipment bracket 5.

A front partition 18 is detachably arranged between the equipment cabin 16 and the sand cabin 4, and a rear partition 19 is detachably arranged between the sand cabin 4 and the storage cabin 17. The ship body 1 is provided with a cab 21, and a feeding port of the rotary screen 6 is provided with a screen feeding hopper 22.

During the use process: an operator controls the ship body 1 to travel to a river channel sand and stone mining position in a cab 21, sand and stone materials are pumped into a sand and stone bin 4 by a sand suction device 20, then sand and stone materials are continuously fished out from the bottom of the sand and stone bin 4 to the highest position by a chain bucket elevator 14, and the sand and stone materials are discharged into a screen feeding hopper 22 at the upper part of a rotary screen 6 and enter the rotary screen 6 for screening; the front and back of the drum screen 6 are divided into two sections of a sand screening section 601 and a stone screening section 602, wherein the sand screening section 601 is provided with a screen mesh with a diameter of 5mm for producing sand with a particle size of 0-5mm, and the stone screening section 602 is provided with a screen mesh with a diameter of 20mm for producing crushed stone with a particle size of 5-20 mm; crushed stones with the particle size of more than 20mm are guided into a crusher 9 for crushing through a guide hopper 8 arranged at the tail part of the rotary screen 6.

The lower part of the drum screen 6 is provided with a screening hopper 7, the screening hopper 7 is provided with a front sand screening section 601 and a rear sand screening section 602 which respectively correspond to the drum screen 6, the lower parts of the two screening hoppers are provided with a sand outlet belt conveyor 11 and a stone outlet belt conveyor 12, and the end parts of the belt conveyors are provided with slide barrels 13. Sand with the diameter of 0-5mm and broken stone with the diameter of 5-20mm are respectively conveyed and discharged to cargo ships which are moored at the two sides of the ship body 1 through a sand-out belt conveyor 11, a stone-out belt conveyor 12 and a chute 13.

The broken stone with the grain diameter larger than 20mm is crushed by the crusher 9, then is directly discharged onto the return material belt conveyor 10 from the bottom of the crusher 9, the crushed stone is conveyed to the sand bin 4 through the return material belt conveyor 10, and then is conveyed to the drum screen 6 for screening by the chain bucket elevator 14, so that closed circulation is finally formed, and sand materials meeting the grain diameter specification are continuously produced.

The overflow pipes 15 are arranged on the two sides of the upper ship body 1 of the sand bin 4, the sand sucking device 20 pumps the sand and stone mixed river water into the sand bin 4, the sand and stone materials are deposited and are continuously lifted by the chain bucket elevator 14, and the redundant river water is discharged into the river through the overflow pipes 15.

The utility model pumps the sand and stone materials in the river course into the sand and stone bin through the sand sucking device 20, and produces qualified sand and stone materials for building aggregate through the chain bucket elevator, the drum screen, the crusher and the belt conveyor. The device can freely move on water, continuously open sand and stones from water, salvage, wash, crush and discharge the stones, realizes the in-situ processing of the sand and stones in the river channel into finished products, has simple device and convenient use, saves the material transport link in the river channel sand and stones processing process, avoids the joint investment of various devices, and reduces the processing cost of the finished products.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (8)

1. A screening plant for screening of grit material on water, includes hull, its characterized in that: the sand screening device comprises a drum screen, wherein a sand screening section and a sand screening section are sequentially arranged on the drum screen, a sand outlet belt conveyor is arranged under the sand screening section, a slide tube is arranged at the lower part of the sand screening section, a guide hopper is arranged at the other end of the bottom of the drum screen, a crusher is arranged at the discharge end of the guide hopper, a return material belt conveyor is arranged at the top of the sand cabin, and a feeding port of the drum screen is provided with the bottom of a discharge port of the guide hopper.

2. A screening apparatus for water sand screening according to claim 1, wherein: the sand screening section and the bottom of the stone screening section are respectively provided with a screening hopper.

3. A screening apparatus for water sand screening according to claim 2, wherein: the ship body on have set gradually preceding deck, grit storehouse and back deck, preceding deck bottom be provided with the equipment compartment, back deck bottom be provided with the storing storehouse, grit screening plant set up back deck on.

4. A screening apparatus for water sand screening according to claim 3, wherein: the bottom of the equipment cabin is provided with a sand sucking device, and a discharge hole of the sand sucking device is arranged at the top of the sand cabin.

5. The screening apparatus for water sand screening as recited in claim 4 wherein: and overflow pipes are respectively arranged on the ship bodies at two sides of the upper part of the sand bin.

6. A screening apparatus for water sand screening as claimed in claim 5, wherein: the rear deck is provided with an equipment support, and the sand screening device is arranged on the rear deck through the equipment support.

7. The screening apparatus for water sand screening as recited in claim 6 wherein: the equipment cabin with the grit storehouse between can dismantle and be provided with preceding baffle, the grit storehouse with the storing storehouse between can dismantle and be provided with the back baffle.

8. The screening apparatus for water sand screening as recited in claim 7 wherein: the ship body is provided with a cab, and a feeding port of the rotary screen is provided with a screen feeding hopper.

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