Method and device for controlling sand supply concentration for post-mixing high-pressure jet cleaning
A high-pressure jet and control method technology, applied in abrasive feeding devices, manufacturing tools, abrasives, etc., can solve problems such as no targeted and effective solutions, achieve effective control of cleaning effects, and improve stability. with the effect of consistency
Active Publication Date: 2016-12-14
BAOSHAN IRON & STEEL CO LTD
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Problems solved by technology
[0006] Through detailed investigations in related fields at home and abroad, there is no targeted and effective solution in related technical fields
Method used
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[0071] As mentioned above, this solution uses the measurement of the weight of a section of the hose in the mortar pumping sand supply pipe to achieve precise control of the slurry concentration inside the mortar pumping sand supply pipe 1, specifically as Figure 1 ~ Figure 2 shown. For guaranteeing that this method has ideal control effect, the embodiment of the present invention is as follows:
[0072] First of all, it is necessary to carry out experimental demonstration of the rated index in the control system 8, that is, to use a special type of soft sand supply pipe 1 and pass When the two end support points 9, what is the actual measured value of the weight detector 11? Through multiple experiments, the rated weight value and the corresponding weight allowable range of the abrasive grains at different concentrations are clarified as the control system 8 internal control standards.
[0073] During actual operation, the sand suction port 7 of the sand supply pipe is ins...
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The invention relates to a supplied sand concentration control method for post-mixing high-pressure jet cleaning, and an apparatus thereof. The method is characterized in that a sand supply tube sand suction port (7) is inserted into a sand supply barrel (6) under the action of an elevating device (4), a slurry containing a certain concentration of hard abrasive particles is directly sucked from the sand supply barrel (6) through a suction force transmitted by a sand supply tube (1), a detection system (2) precisely detects the weight of the sand supply tube between two end portion support points (9) and the weight of the slurry in the tube through the two end portion support points (9) in the detection system (2) and a clamping support (10) and a weight measuring instrument (11) at the central portion of the detection system (2), and the above obtained weights are compared with a practical sand density and the weights under all concentrations to determine that the concentration of the slurry in the sand supply tube (1) between the two support points (9) reaches a rated pumping concentration requirement and whether sand supply tube sand suction port (7) is moved or not. The method and the apparatus can be widely used for controlling the mixed concentration of different kinds of hard particles and liquids, and the hard abrasive particles comprise garnet, iron sand, cut wire slot, stainless steel slot and the like, and the liquids comprise liquid water, oil and the like.
Description
technical field [0001] The present invention relates to the field of post-mixing jet cleaning. Specifically, the present invention relates to sand supply concentration control technology for post-mixing jet cleaning. More specifically, the present invention relates to a sand supply concentration control method and device for post-mixing jet cleaning. The sand supply concentration control method and device for post-mixing high-pressure jet cleaning are mainly used to effectively control the mortar concentration in the sand supply pipe in the post-mixing jet system, so as to realize the control of different types of hard abrasive grains Concentration control during the mortar conveying process ensures that the sand supply system can stably supply the mortar with a rated concentration to the injection system, and ensures that the sand supply pipe does not become clogged or the amount of sand is too small, so as to achieve strict control of the characteristics of the post-mixing je...
Claims
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IPC IPC(8): B24C7/00
Inventor 段明南
Owner BAOSHAN IRON & STEEL CO LTD