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Cleaning device for valve scaling

A technology for cleaning devices and valves, which is applied in the directions of cleaning methods, cleaning methods and utensils using liquids, inorganic non-surface-active cleaning compositions, etc., can solve the problems of lowering, increasing production costs, and valves being easily washed and damaged, using pressure levels, etc. , to achieve the effect of simple process, low cleaning cost and long service life

Active Publication Date: 2011-03-16
GUIZHOU BRANCH CHINA ALUMINUM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Provide a valve fouling cleaning device to solve the technical problem in the prior art that the valve is easy to be washed or the pressure level is reduced, which increases the production cost

Method used

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Embodiment Construction

[0017] Embodiments of the invention:

[0018] The caustic alkali solution purchased by alumina production is prepared into a caustic alkali solution with a concentration of 320g / l, which is used as a chemical cleaning solution to clean large equipment and tanks. Control the temperature of the chemical cleaning solution to 65°C. Install a branch pipeline 4 on the main pipeline 3 that transports the clear liquid, and connect the valves 7 with diameters of 100mm, 150mm, 200mm, and 250mm in series through a variable-diameter connecting short pipe 6 on the branch pipeline, and then branch the pipeline 4 Return to the chemical cleaning liquid storage tank 1 to form a closed loop.

[0019] A control valve 5 is connected to the branch pipeline 4 . When the chemical cleaning liquid is sent to clean large-scale equipment and tanks through the main pipeline 3 by the delivery pump 2, the control valve 5 is opened, and the chemical cleaning liquid enters the branch pipeline 4. Because t...

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Abstract

The invention discloses a cleaning device for valve scaling, comprising a chemical cleaning solution storage tank (1), a delivery pump (2) and a main pipeline (3); a branch pipeline (4) is connected on the main pipeline (3) for delivering the chemical cleaning solution; a control valve (5) is connected on the branch pipeline (4); various valves (7) with different nominal diameters are connected in series by connecting short pipes (6) with variable diameter on the branch pipeline (4); and then the cleaning solution returns to the chemical cleaning solution storage tank (1). Compared with the prior art, the device has the advantages of simple process, thorough cleaning of the valve scaling, and greatly improving the service life of the valve, thus saving spare parts and spare pieces, reducing production cost and the like.

Description

Technical field: [0001] The invention belongs to the technical field of mechanical engineering valve cleaning, and in particular relates to a chemical cleaning device for valve fouling. Background technique: [0002] In the production of various industries, valves of various types and sizes are used online every day. Due to the presence of various impurity components in the solution, a large amount of scaling is easily generated on equipment, pipes and valves. These scales cause the valve to be unable to switch, and the valve has to be removed and replaced with a new valve, and the removed valve is cleaned chemically in time and then returned to production for reuse. [0003] In the process of producing alumina by the alkaline method, thousands of valves of various types and sizes are used online every day. The cheapest of these valves costs tens of yuan a piece, and the expensive valve costs tens of thousands of yuan a piece. . Due to the nature of the material itself an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B08B3/08B08B3/02C11D7/06
Inventor 龚智远薛银昌陈立刘昌洌王文志何璞睿
Owner GUIZHOU BRANCH CHINA ALUMINUM IND
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