CN212902506U

CN212902506U - Sand drying system with pre-screening device

Info

Publication number: CN212902506U
Application number: CN202021696160.1U
Authority: CN
Inventors: 王斌; 王洪波; 孙宝军; 王书岩; 丛玉韶
Original assignee: Zhaoyuan Shuangsheng Stone Art Technology Co ltd
Current assignee: Zhaoyuan Shuangsheng Stone Art Technology Co ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-04-06
Anticipated expiration: 2030-08-14

Abstract

The utility model relates to a drying sand system with a pre-screening device, which comprises a drying pipeline, a plurality of pre-screening devices and a separation tank; the drying pipeline comprises a first pipeline, a second pipeline and a third pipeline, the front end of the second pipeline is connected with the rear end of the first pipeline, a plurality of screening openings are formed in the second pipeline, the front end of the third pipeline is connected with the rear end of the second pipeline, and a sand outlet is formed in the rear end of the third pipeline; the pre-screening device comprises a screen frame, a transfer box, a timing valve and a storage tank, wherein the screen frame is arranged on the inner side of the second pipeline, the upper end of the transfer box is communicated with the screening port, the timing valve is arranged at the lower end of the transfer box, and the storage tank is fixedly connected with the lower end of the timing valve.

Description

Sand drying system with pre-screening device

Technical Field

The utility model belongs to the technical field of the stoving sand, concretely relates to stoving sand system with screening plant in advance.

Background

Present tailing sand is handled and at first adopts drying device to dry tailing sand, and the sand material of all specifications after the stoving is ejection of compact together, then adopts special screening plant to sieve the sand of different specifications, and stoving and screening separately go on at this in-process, and the flow is numerous and diverse to stoving and screening need different equipment, and required cost is higher.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the not enough and design that present product exists provides a stoving sand system with screening plant in advance, and it is numerous through the in-process that adds screening plant solution current tailings sand processing procedure in advance at the stoving, and the technical problem that equipment is with high costs reaches the technological effect of simplifying the flow and reducing tailings treatment cost.

The utility model discloses specific technical scheme as follows:

a sand drying system with a pre-screening device comprises a drying pipeline;

the pre-screening devices are arranged on the drying pipeline;

the separation tank is communicated with the drying pipeline;

the drying pipeline comprises a first pipeline which is positioned at the front end of the drying pipeline, and a feeding hole and an air inlet are formed in the first pipeline;

the front end of the second pipeline is connected with the rear end of the first pipeline, and a plurality of screening openings are formed in the second pipeline;

and the front end of the third pipeline is connected with the rear end of the second pipeline, and the rear end of the third pipeline is provided with a sand outlet.

Further, the pre-screening device comprises a screen frame which is arranged on the inner side of the second pipeline, and the screen frame is positioned on the right side of the screening opening and is adjacent to the screening opening;

the upper end of the transfer box is communicated with the screening opening;

the timing valve is arranged at the lower end of the transfer box;

and the storage tank is fixedly connected with the lower end of the timing valve.

Furthermore, a plurality of small grids are arranged on the screen frame, an upper layer screen mesh and a lower layer screen mesh are arranged on the screen frame, the screen frame also comprises a plurality of springs, one ends of the springs are fixedly connected with the periphery of the screen frame, and the other ends of the springs are fixedly connected with the inner wall of the second pipeline;

and the vibrating balls are arranged in the small lattices of the screen frame.

Furthermore, one pre-screening device corresponds to one screening opening, and one pre-screening device is provided with one screening frame.

The embodiment of the utility model has the following beneficial effect at least:

1. the embodiment of the utility model comprises a drying pipeline; the pre-screening devices are arranged on the drying pipeline; and the separation tank is communicated with the drying pipeline. "wait technical scheme, the accessible adds the pre-screening plant on drying the pipeline, has solved current tailings sand processing procedure numerous, and the equipment is many technical problem with high costs, reaches the technological effect of simplifying the flow, reduce cost.

2. The embodiment of the utility model comprises that' a plurality of small grids are arranged on the sieve frame, an upper layer screen and a lower layer screen are arranged on the sieve frame, the sieve frame also comprises a plurality of springs, one ends of the springs are fixedly connected with the periphery of the sieve frame, and the other ends of the springs are fixedly connected with the inner wall of the second pipeline; and the vibrating balls are arranged in the small lattices of the screen frame. "technical scheme such as, accessible vibration ball can directly strike the screen cloth when screening and reach and clear away the material that glues or block at the screen cloth, has solved the easy stifled technical problem of screen cloth, has reached the technological effect that reduces stifled net.

3. The embodiment of the utility model comprises a plurality of pre-screening devices which are arranged on the drying pipeline; the drying pipeline comprises a second pipeline, the front end of the second pipeline is connected with the rear end of the first pipeline, and a plurality of screening openings are formed in the second pipeline; the screen frame is provided with a plurality of small grids, and the screen frame is provided with an upper layer of screen mesh and a lower layer of screen mesh; one pre-screening device corresponds to one screening opening, and one pre-screening device is provided with one screening frame. "wait technical scheme, can set up according to the specification of required sand the specification of screen cloth on the bank of screens with the quantity of screening plant in advance has reached the technological effect of screening different specification sand.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of a screen frame of a pre-screening apparatus;

FIG. 3 is a partial schematic view of section A-A of FIG. 2;

in the figure: 1. the drying device comprises a drying pipeline 11, a first pipeline 111, a feeding hole 112, an air inlet 12, a second pipeline 121, a screening hole 13, a third pipeline 131 and a discharging hole; 2. the device comprises a pre-screening device 21, a screen frame 211, a screen mesh 212, a spring 213, a vibration ball 22, a transfer box 23, a timing valve 24 and a storage tank; 3. and (5) separating the tank.

Detailed Description

The technical scheme of the embodiment of the present invention is described in detail below with reference to the accompanying drawings and embodiments:

the first embodiment is as follows: the embodiment of the utility model provides a stoving sand system with screening plant in advance, as shown in fig. 1, including drying duct 1, drying duct 1 is used for drying the sand material.

If intervene screening plant 2, set up in on the stoving pipeline 1, screening plant 2 is used for screening the sand of different specifications in advance.

And the separation tank 3 is communicated with the drying pipeline 1, and the separation tank 3 is used for separating the dried sand from the dust gas.

Drying duct 1 includes first pipeline 11, is located drying duct 1 front end, be provided with feed inlet 111 and air intake 112 on the first pipeline 11, feed inlet 111 gets into for the sand material drying duct's entry, air intake 112 is used for drying duct transmission high temperature gas.

The front end of the second pipeline 12 is connected with the rear end of the first pipeline 11, a plurality of screening openings 121 are arranged on the second pipeline 12, and the screening openings 121 are used for conveying screened large-particle sand out of the drying pipeline 1.

And the front end of the third pipeline 13 is connected with the rear end of the second pipeline 12, a sand outlet 131 is formed in the rear end of the third pipeline 13, and the sand outlet 131 is used for conveying dried sand to the separation tank 3.

As shown in fig. 2 and 3, the pre-screening device 2 comprises a screen frame 21, the screen frame 21 is arranged inside the second pipe 12, and the screen frame 21 is located at the right side of the screening opening 121 and adjacent to the screening opening 121.

And the upper end of the transit box 22 is communicated with the screening port 121 and is used for temporarily storing screened sand materials.

The timing valve 23 is arranged at the lower end of the transfer box 22, and the timing valve 23 is opened at regular intervals of several seconds, so that the transfer box 23 is opened for discharging and then closed.

And the material storage tank 24 is fixedly connected with the lower end of the timing valve 23 and is used for storing sand materials.

The screen frame 21 is provided with a plurality of small grids, the screen frame 21 is provided with an upper layer of screen mesh 211 and a lower layer of screen mesh 211, the specifications of the two layers of screen mesh 211 are the same, the screen frame further comprises a plurality of springs 212, one ends of the springs 212 are fixedly connected with the periphery of the screen frame 21, the other ends of the springs 212 are fixedly connected with the inner wall of the second pipeline 12, the springs 212 can realize that the screen frame 21 is elastically arranged on the inner side of the second pipeline 12, and when sand passes through the screen frame 21 along with high-temperature air flow, the screen frame 21 elastically shakes left and right under the action of the springs 212, so that the effect that the sand is prevented from being stuck on or clamped on the screen mesh 211 is.

The screen frame 21 further comprises a vibrating ball 213, the vibrating ball 213 is arranged in a plurality of small lattices of the screen frame 21, the vibrating ball 213 starts to move under the action of continuous impact of passing sand grains, the vibrating ball 213 continuously moves to impact the screen 211 to impact sand grains larger than the size of the screen 211 or sand grains stuck on the screen 211 to fall off, and the spring 212 on the screen frame 21 and the vibrating ball 213 are matched for use, so that the effects of removing the screen 211 and preventing the screen 211 from being blocked can be achieved.

One pre-screening device 2 corresponds to one screening opening 121 and one pre-screening device is provided with one screening frame 21.

The sand material enters the drying pipeline 1 from the feeding hole 111, under the action of high-temperature air flow, the sand material moves upwards along the first pipeline 11 and passes through the screening opening 121 to reach the screen 211, sand grains larger than or equal to the size of the screen 211 are blocked when passing through the screen 211, the blocked sand grains fall into the transfer box 22 from the screening opening 121, sand grains smaller than the size of the screen 211 pass through the screen 211, whether the screening process needs to be repeated is determined according to the required sand size, the screened small-particle sand grains continue to advance and pass through the third pipeline 13 to enter the separation tank 3 for dust separation.

The number of the pre-screening devices 2 in this embodiment is not limited, and may be set as required, the specification of the screen 211 is selected according to the specification of sand, and the length of the drying duct 1 in this embodiment is not limited.

Example two: sand material enters the drying duct 1 from the feed opening 111, under the action of high-temperature air flow, the sand material moves upwards along the first duct 11 to reach the screen frames 21, if the size of the screen 211 on the first screen frame 21 is 100 meshes, sand grains larger than or equal to 100 meshes are blocked when passing through the first screen 211, the blocked sand grains fall into the first transfer box 22 from the first screening opening 121, sand grains smaller than 100 meshes pass through the first screen 211 to reach the second screen frame 21, if the size of the screen 211 on the second screen frame 21 is 200 meshes, sand grains larger than or equal to 200 meshes are blocked when passing through the second screen 211, the blocked sand grains fall into the second transfer box 22 from the second screening opening 121, sand grains smaller than 200 meshes pass through the second screen 211 to enter the third duct 13, sand particles smaller than 200 mesh pass through the third conduit 13 to the separator tank 3 for dust separation.

The embodiment of the utility model provides an in preceding, back, left and right, words such as upper and lower are only for describing the convenience of structure to do not form the restriction to technical scheme. While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a stoving sand system with sieve device in advance which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

drying the pipeline;

the pre-screening devices are arranged on the drying pipeline;

the separation tank is communicated with the drying pipeline;

2. The sand drying system with a pre-screening device as set forth in claim 1, wherein: the pre-screening device comprises a pre-screening device,

the screen frame is arranged on the inner side of the second pipeline, and the screen frame is positioned on the right side of the screening opening and is adjacent to the screening opening;

the upper end of the transfer box is communicated with the screening opening;

the timing valve is arranged at the lower end of the transfer box;

3. A sand drying system with a pre-screening device as claimed in claim 2, wherein: the screen frame is provided with a plurality of small grids, an upper layer screen and a lower layer screen are arranged on the screen frame, the screen frame also comprises,

one ends of the springs are fixedly connected with the periphery of the screen frame, and the other ends of the springs are fixedly connected with the inner wall of the second pipeline;

and the vibrating balls are arranged in the small lattices of the screen frame.

4. A sand drying system with a pre-screening device as claimed in claim 2, wherein: one pre-screening device corresponds to one screening opening, and one pre-screening device is provided with one screening frame.