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Wet spraying machine of concrete drier

A concrete spraying machine and concrete technology, which is applied in earthwork drilling, shaft lining, tunnel lining, etc., to achieve the effects of increasing sealing performance, reducing dust generation, and being convenient to use

Inactive Publication Date: 2009-12-30
周德祥
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In order to overcome the shortcomings of the existing concrete dry spraying machine and wet spraying machine, the utility model designs a concrete dry material wet spraying machine, which integrates the advantages of the existing concrete dry spraying machine and wet spraying machine and overcomes their shortcomings

Method used

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  • Wet spraying machine of concrete drier
  • Wet spraying machine of concrete drier
  • Wet spraying machine of concrete drier

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment

[0029] figure 1 It is a schematic diagram of the structure of the concrete dry material wet spraying machine

[0030] figure 2 It is a schematic diagram of the structure of the residual air hole dust removal box of the sprayer in the concrete dry material wet spraying machine

[0031] image 3 It is a schematic diagram of the structure of the water ring in the middle of the concrete delivery hose in the concrete dry material wet spraying machine

[0032] Figure 4 It is a schematic diagram of the structure of the rotor lifting mechanism, the large pressure plate and the hopper turning in the concrete dry material wet spraying machine

[0033] Figure 5 It is a schematic cross-sectional structure diagram of the rubber friction plate of the sprayer and the powder accelerator additive in the concrete wet spraying unit

[0034] Figure 6 It is a schematic diagram of the left end structure of the feeding port of the upper rubber friction plate and the large pressure plate i...

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PUM

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Abstract

The invention relates to a wet spraying machine of concrete drier, which comprises a spraying machine, a water pressure booster and a powdered accelerator adder. The wet spraying machine of concrete drier integrates the advantages of a dry spraying machine and a wet spraying machine, achieves the upgrade of the concrete spraying technology, improves the sealing performance and reduces the dust generation and the pipe plugging times. The water pressure booster is designed to enable the water pressure to be higher than the wind pressure; water is added into a concrete conveying rubber pipe, so that water and concrete are effectively mixed to achieve the operating process of wet spraying of dry material. The invention has simple operation and can achieve the effects of low rebound and less power. The powdered accelerator adder enables the powdered accelerator to be quantitatively, uniformly and continuously added in the wet spraying process.

Description

technical field [0001] The utility model relates to concrete spraying support equipment used for underground engineering constructions such as tunnels, mines, coal mines, and subways, and relates to a concrete dry material wet spraying machine. Background technique [0002] The shortcoming that existing concrete dry spraying machine exists during operation is: 1. the dust that produces is bigger. Due to the unreasonable sealing structure of the dry spraying machine, there is a lot of dust around it; ②The contact time between the water added at the spray gun and the concrete is very short, and the water pressure is lower than the wind pressure, so that the concrete cannot be fully wetted effectively, and more dust is formed. Dust and larger concrete rebound. ③ It uses powdered quick-setting agent, which is artificially added, which is neither uniform nor continuous, resulting in increased rebound of concrete and wasting concrete. ④ The scattering of cement dust and the wast...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21D11/10
Inventor 周德祥
Owner 周德祥
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