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Special blowing device and special blowing method for dry sand-grinding and dust-removing complete equipment

A technology of blowing device and complete set of equipment, applied in chemical instruments and methods, solid separation, sieve and other directions, can solve the problems of unsolved powder method environment, inability to produce, pollution, etc., achieve novel structure design, improve service life, The effect of improving sorting efficiency

Active Publication Date: 2011-04-27
ZHEJIANG SHUANGJIN MACHINERY HLDG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The uniformity of the above-mentioned background technology neither solves the phenomenon of screen resonance, nor solves the phenomenon of stone blocking the screen holes; second, it neither solves the physical hazards of dust to operators, nor solves the problem of environmental pollution caused by powder method The third is that neither the recycling of tailings materials nor the multi-stage sorting and production of stone materials have been realized; the fourth is that it is impossible to produce in rainy days, and it is necessary to ensure the dryness of stone materials. The production conditions are restricted by the climate, and it is impossible to Realize all-weather open-air production

Method used

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  • Special blowing device and special blowing method for dry sand-grinding and dust-removing complete equipment
  • Special blowing device and special blowing method for dry sand-grinding and dust-removing complete equipment
  • Special blowing device and special blowing method for dry sand-grinding and dust-removing complete equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment 1: with reference to attached Figure 1-4 . Dry sand grinding and dust removal equipment special blowing device, which includes a fan, the blowing device is composed of multiple rows of air ducts 5-2, facing the surface of the screen 5-1, there are multiple blowing nozzles on the multi-rows of air ducts 5-2 5-2-1, the multi-row air duct 5-2 communicates with the air outlet of the fan 5-5 through the main air duct 5-4.

[0019] The multiple rows of air ducts are divided into 2 groups or more, and the number of each group of air ducts is 2 or more, and the air inlets of each air duct are connected and controlled by a control valve to blow or not.

Embodiment 2

[0020] Embodiment 2: with reference to attached Figure 5 . On the basis of Example 1, the special vibrating screen mechanism for the dust-free dry sand making system includes a vibrating screening mechanism 5. The vibrating screen in the vibrating screening mechanism 5 is composed of three layers of screens, and the three layers of screens are in the form of The distance is distributed up and down and the apertures of the three layers of screens are different, and they become smaller from top to bottom. A blowing device is arranged above the surface of the third layer of screens, and the blowing device is composed of multiple rows of air ducts 5-2, There are multiple blowing nozzles 5-2-1 on the multi-row air duct 5-2 facing the screen 5-1, and the multi-row air duct 5-2 passes through the main air duct 5-4 and the fan 5-5 air outlet Connected, the multi-row air ducts are divided into 2 groups or more than 2 groups, and the number of air ducts in each group is 2 or more, and...

Embodiment 3

[0022] Embodiment 3: On the basis of Embodiment 1 and 2, the blowing method of the special air blowing device for the complete set of equipment for dry sand grinding and dust removal, it comprises a blower fan, and in the blowing device, multiple rows of air ducts constitute 5-2 facing the screen cloth 5-1, There are a plurality of blowing nozzles 5-2-1 on its multi-row air duct 5-2, and the multi-row air duct 5-2 communicates with the blower fan 5-5 air outlet through the main air duct 5-4, and the multi-row air duct is divided into 2 or more groups, the number of air ducts in each group is 2 or more, the air inlets of each group of air ducts are connected, and the time controller or program controller controls the valve to control whether it blows or not, forming a sequential cycle of blowing Or cross hair.

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Abstract

The invention relates to a special blowing device and a special blowing method for dry sand grinding and dust removing complete equipment, which can effectively prevent stone materials from blocking a sieve and can also effectively improve sieving efficiency. Many rows of air tubes in the air blowing device are divided into two or more than two groups, the number of the air tubes in each group is two or more than two, and the air inlets of the air tubes in each group are communicated and controlled to blow air or not and blow air circularly or crosswise by a control valve of a time controller or a program controller. The blowing device and the blowing method have the advantages of preventing the stone materials from blocking the sieve, prolonging the service life of the sieve and effectively improving sieving efficiency of the sieve and featuring novel structure design, uniqueness, simplicity and practicability.

Description

technical field [0001] The invention relates to a special blowing device and blowing method for a complete set of equipment for dry sand grinding and dust removal, which can effectively prevent stones from clogging the sieve plate net and effectively improve the screening efficiency, and belongs to the field of sand making component assembly manufacturing. Background technique [0002] CN101362112A, name "a dry sand making method and the dry sand making machine used", including a hollow crushing working chamber (2), and a hollow dust removal working chamber (5) is provided below the crushing working chamber (2) , the upper end of the feeding channel (6) is sealed and connected with the feeding port (22), the lower end (61) of the feeding channel (6) is located in the dust removal working chamber (5), and the dust removal working chamber (5) is also provided with The air vent (7) and the air duct (8) are located in the dust removal working chamber (5), and the lower end (61) ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B07B1/56
Inventor 胡祖尧
Owner ZHEJIANG SHUANGJIN MACHINERY HLDG
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