River sand screening device for construction

A screening device, a technology for construction, applied in heating devices, separation of solids from solids by air flow, sieving, etc., can solve the problems of mutual adhesion of wet sand, achieve smooth sliding, increase distance, and facilitate transportation Effect

Active Publication Date: 2020-04-24
济南工程职业技术学院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims at the above-mentioned deficiencies existing in the prior art, and provides a river sand screening device for construction, which solves the problem of mutual adhesion of wet sand with small particles, speeds up the screening speed and screening rate, saves time, and improves improved work efficiency

Method used

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  • River sand screening device for construction
  • River sand screening device for construction
  • River sand screening device for construction

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Such as figure 1 As shown, a river sand screening device for construction includes a sand inlet bucket 1, a drying cylinder 2, a primary screening device and a secondary sand screening device 9, and the drying cylinder 2 is installed on the upper end of the bracket 5 for To dry wet sand, the drying cylinder 2 is a double-layer hollow structure. A heating block 3 is arranged between the outer cylinder wall and the inner cylinder wall of the drying cylinder 2. The heating block 3 is fixed to the inner wall of the drying cylinder 2. The heating block 3 is a cast aluminum heating block 3, the inside of the heating block 3 is a heating wire, the heating wire is connected to the power supply, and the heating wire generates heat after being energized, and the heat is transferred to the inner wall of the drying cylinder 2 through the heating block 3, and one end of the drying cylinder 2 is connected with a The sand inlet 1 and the other end of the drying cylinder 2 are connecte...

Embodiment 2

[0052] The temperature inside the drying cylinder 2 is relatively high, which can evaporate the water on the surface of the sand, forming water vapor loss, in order to realize the collection and utilization of water resources.

[0053] Such as figure 1 As shown, the upper end of the side wall of the drying cylinder 2 is provided with a steam outlet pipe 204, and the steam outlet pipe 204 is connected with a steam collecting pipe 4, as Figure 5 As shown, the steam collecting pipe 4 is fixed on the inner wall of the first sand shield 805 through buckles 401 and arranged in a serpentine shape, and the end of the steam collecting pipe 4 is connected with the water collecting tank 7 .

[0054] The water vapor with a higher temperature enters the steam collecting pipe 4 and flows through the first sand baffle 805, which can increase the temperature at the first sand baffle 805, achieve the effect of secondary drying, and realize the utilization of waste heat. The curved steam coll...

Embodiment 3

[0057] On the basis of Embodiment 1 or 2, in this embodiment, in order to meet the requirements of different constructions on the diameter of sand, in order to realize the adjustment of the diameter of the second screen hole 903, in this embodiment,

[0058] Such as Figure 7-11 As shown, the adjustment grid 10 is slidingly connected to the bottom of the sand screening plate. The adjustment grid 10 includes a shutter 1003 and a connecting plate 1004. The shutter 1003 is attached to the lower end surface of the sand screening board and cooperates with the second screen hole 903. In this embodiment In the example, the second screen hole 903 is a square hole, and the shutter 1003 is used to shield the second screen hole 903, so as to realize the adjustment of the opening size of the second screen hole 903, and the multiple shutters 1003 are connected through the connecting plate 1004 , the bottom of the connecting plate 1004 is provided with a supporting plate 1001 and a pressing...

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Abstract

The invention discloses a river sand screening device for construction. The sand screening device comprises a sand feeding hopper, a drying cylinder, a primary screening device and a secondary sand screening device, the drying cylinder is mounted at the upper end of a bracket; the drying cylinder is of a double-layer hollow structure, a heating block is arranged between the outer cylinder wall andthe inner cylinder wall of the drying cylinder; one end of the drying cylinder is connected with a sand inlet hopper; the other end of the drying cylinder is communicated with the primary screening device; the primary screening device is a sand screening barrel; the sand screening barrel is installed on a supporting frame, first screening holes are formed in the side wall of the sand screening barrel, the second-stage sand screening device comprises a swing frame and a sand filtering plate, a sand screening plate is fixed to the upper end of a swing frame, second screening holes are formed inthe sand screening plate, the swing frame is connected with the supporting frame and located below the sand screening barrel, and the sand screening plate and the sand screening barrel are opposite in inclination direction. The problem that wet sands with small particles are mutually adhered is solved, the working efficiency is improved, the screening effect is improved, the utilization rate of the sand is increased, waste is avoided, and the construction cost is reduced.

Description

technical field [0001] The invention relates to the technical field of construction machinery, in particular to a river sand screening device for construction. Background technique [0002] River sand is inseparable from construction projects. River sand is an indispensable part of construction projects. River sand is used as building materials in the construction process. Since the particle sizes of river sand are different, different particle sizes need to be selected according to different construction requirements. trail of sand. [0003] The current sand screening device is mainly completed by means of a screen, and the sand slides from the screen to filter sand of different diameters. However, the water content in the sand is generally high, and the wet sand has a certain viscosity, which sticks to each other. When the existing screening device screens the wet sand, the screening efficiency is low, and the sand needs to be repeatedly screened. Sifting, wasting a lot ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B07B9/00B07B1/22B07B1/34B07B1/42B07B1/46F26B11/16F26B23/00F26B25/04
CPCB07B1/22B07B1/343B07B1/42B07B1/4609B07B1/4636B07B9/00F26B11/16F26B23/00F26B25/04F26B2200/14
Inventor 韩立国
Owner 济南工程职业技术学院
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