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Mechanized spraying method of ordinary ready-mixed mortar

A kind of ready-mixed mortar, a common technology, applied in the direction of construction, building structure, building materials, etc., can solve the problems of short service life of the screw pump, poor fluidity of the mixture, lack of machine spraying equipment, etc., and reduce the construction cost , Reduce plasticity and drying shrinkage, improve efficacy and construction quality

Inactive Publication Date: 2014-01-01
梅州淦源建材科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the difference in the quality of mortar at home and abroad, the domestic ordinary ready-mixed mortar has not been able to use imported spraying machines due to its own material characteristics and poor fluidity of the mixture. Imported spraying machines are mainly used for spraying special mortars
Most of the domestic spraying machines use screw pumps to transport the spraying slurry. The rubber inside the screw pump is very easy to wear, which makes the service life of the screw pump short. Generally, it needs to be replaced every time the spraying slurry is transported 100 to 150 tons, and the cost is high. At this time, if If it is not replaced in time, the clogging during spraying will easily cause direct damage to the screw pump
Contractors are limited by cost, and as a result, contractors hope to realize mechanized construction, but are constrained by the lack of suitable machine spraying equipment

Method used

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  • Mechanized spraying method of ordinary ready-mixed mortar
  • Mechanized spraying method of ordinary ready-mixed mortar
  • Mechanized spraying method of ordinary ready-mixed mortar

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] The operation steps of this embodiment are as attached figure 1 As shown, the ordinary dry-mixed mortar is firstly stirred by the continuous mixer and the second time by the horizontal mixer to obtain the wet slurry; the wet slurry obtained by S1 is transported to the mortar spraying machine on the spraying site by the mortar delivery pump; The slurry is sent into the spray gun through the mortar spraying machine, and a mortar jet is formed in front of the nozzle of the spray gun, and the mortar is continuously and evenly sprayed on the construction surface; after conventional leveling and rubbing, the plastering finish is completed.

[0056] as attached image 3 As shown, the equipment configuration of the spraying system of the present invention: configure a 20 m 3 A mobile silo with a mixer, a horizontal mixer with a discharge port, a horizontal mixer discharge port (conventional, not shown in the figure) connected to a triangular bucket connection device, a mobile ...

Embodiment 2

[0063] The operation steps of this embodiment are as attached figure 2 As shown, first transport the silo to the designated construction site, transport the ordinary dry-mixed mortar to the designated construction site, and pass the ordinary dry-mixed mortar through the primary mixing of the continuous mixer and the secondary mixing of the horizontal mixer Get the wet slurry; use the mortar delivery pump to transport the wet slurry obtained in S1 to the mortar spraying machine on the spraying site; the wet slurry is sent to the spray gun through the mortar spraying machine, and a mortar jet is formed in front of the nozzle of the spray gun, and the mortar is continuously and evenly sprayed on the construction surface On; through conventional leveling and rubbing, complete the plastering finish.

[0064] as attached Figure 4 As shown, the equipment configuration of the spraying system of the present invention: configure a 20 m 3 A mobile silo with a mixer, a horizontal mixe...

Embodiment 3

[0072] The equipment configuration of this embodiment: configure a 20 m 3 A mobile silo with a mixer, a horizontal mixer with a discharge port, a triangular bucket connection device, a mobile (displacement 15 m 3 / h) Mortar pumping machine, two plunger type mortar spraying machines with actual displacement of 30L / min, others are the same as embodiment 1.

[0073] The mortar injected into the mobile silo in this example is ordinary ready-mixed mortar (the approximate ratio of each component of the mortar is: cement 32.5R: river sand / machine-made sand≦3mm: special additive for spraying=0.24:0.75:0.01)

[0074] The spraying method includes the following steps:

[0075] S1. The ordinary dry-mixed mortar is continuously stirred twice by the mobile silo mixer and the horizontal mixer, so that the wet material is fully mixed and evenly obtained to obtain a wet slurry;

[0076] S2. The wet slurry obtained in S1 is transported to the spraying machine through the double-cylinder pisto...

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Abstract

The invention discloses a mechanized spraying method of ordinary ready-mixed mortar. Through the method, a traditional spraying design thought is changed, and key working links of a spraying system are innovatively designed and improved. The method includes firstly, subjecting ordinary dry-mixed mortar to continuous twice agitation of a mobile silo agitator and a horizontal agitator to enable wet materials to be uniformly and sufficiently mixed to obtain wet mortar, and secondly using a duplex piston pump to complete delivery of the wet mortar. The spraying technology is further optimized in a matched manner to form a mechanized spraying working system simple and convenient to operate, efficient and easy to popularize, and the problem that abroad mortar spraying machines are inapplicable to domestic ordinary ready-mixed mortar; meanwhile, the technical problems of short service life, high cost and proneness to blockage due to the fact that domestic traditional motor spraying machines deliver and spray mortar by screw pumps are solved; the method is suitable for especial mortar and more suitable for the domestic ordinary ready-mixed mortar, efficiency and construction quality are greatly improved, and construction cost is lowered.

Description

technical field [0001] The invention relates to the technical field of building equipment materials, and more specifically, to a mechanized spraying method for common ready-mixed mortar. Background technique [0002] Compared with the traditional on-site preparation of mortar, the technical advantages of ready-mixed mortar are reflected in: the quality of raw materials for ready-mixed mortar is stable, and after strict processing procedures in the factory, the quality of raw materials used for production is obviously better than that of traditional on-site stacked raw materials; ready-mixed mortar The modern mixing process ensures the accuracy of the mortar ratio and the uniformity of mixing; the ready-mixed mortar is produced by the factory, and many admixtures that cannot be added on the construction site can be added evenly and reasonably; To meet the needs of building construction methods, new construction methods should be equipped with construction materials with excel...

Claims

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Application Information

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IPC IPC(8): E04F21/12E04G21/02
Inventor 佘晓燕吴小淦蔡珊林勇康余永泉
Owner 梅州淦源建材科技有限公司
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