A disc filter cleaning production line and cleaning process
A filter and production line technology, applied in the direction of filter regeneration, filtration separation, chemical instruments and methods, etc., can solve the problems of not very good cleaning effect, low degree of automation, high labor intensity, etc., to improve the comprehensive utilization ability of equipment, The effect of high degree of automation and low labor intensity
Active Publication Date: 2016-02-03
JIANGSU XINLONG CHEM FIBER MACHINERY
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Problems solved by technology
Water washing, alkali washing, pickling and water washing equipment also have the above disadvantages
In addition, the electrical control method is relatively simple, and the whole cleaning system has the disadvantages of low automation, high energy consumption, high labor intensity, and not very good cleaning effect.
Method used
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Embodiment 1
[0062] Filter decomposition: Separate the outer cylinder of the disc filter from the filter body.
[0063] Lift the decomposed filter into the TEG cleaning tank for cleaning.
[0064] TEG cleaning process parameters:
[0065] TEG feed time: about 15 minutes (to the TEG cleaning tank is also high time stop).
[0066] N2 replacement before heating: 0.15MPa three times, 1 minute each time) Heating, heat preservation and cleaning: 7 hours. Cleaning temperature: 275°C. Cleaning pressure: 0.23MPa. Temperature uniformity: ±1℃.
[0067] TEG cooling method: air cooling. TEG cooling time to 90°C: 4 hours.
[0068] N2 protection during cooling: N2 is charged once every 20 minutes, and the charging time is 30 seconds. When the discharge temperature is reached, the N2 charging is finished.
[0069] After the cleaning is completed, the filter is lifted out of the cleaning tank and enters the chemical cleaning tank for cleaning.
[0070] Lift the filter from the TEG cleaning tank into the chemical cl...
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The invention relates to a disk type filter cleaning production line and a cleaning technology, and belongs to the field of equipment cleaning. The disk type filter cleaning production line comprises a filter detaching machine, a TEG cleaning line, a chemical cleaning line and a flushing and assembling line, wherein the filter detaching machine is used for decomposing a disk type filter; the decomposed disk type filter is conveyed to the TEG cleaning line for TEG cleaning; after TEG cleaning is finished, the decomposed disk type filter is conveyed to the chemical cleaning line for chemical cleaning; after chemical cleaning is finished, the decomposed disk type filter is conveyed to the flushing assembling line for flushing and assembling. According to the disk type filter cleaning production line and the cleaning technology, the TEG cleaning and the chemical cleaning adopt a circulating method for pressure cleaning; a TEG medium and a chemical medium respectively enter a disk of the disk type filter under the pressure action, so that the cleaning effect is enhanced. By the adding of an air cooling device, the cooling time is shortened; by the adding of a nitrogen replacement program, the safety of system operation is improved.
Description
Technical field [0001] The invention relates to a disc filter cleaning production line and a cleaning process, and belongs to the field of equipment cleaning. Background technique [0002] The existing dish filter adopts the triethylene glycol (TEG) boiling and washing method, that is, the dish filter is placed in a cleaning furnace with an electric heater at the bottom, the furnace cover is closed, and the temperature is 275°C. About 10 hours, then cool naturally in the furnace to below 90°C (cooling time is about 12 hours), take out the filter, and then go through water washing, alkaline washing, acid washing, high-pressure water gun washing, ultrasonic cleaning, disc drying, Filter assembly. The entire cleaning process is non-circular cleaning under normal pressure. As the number of cleaning increases, the concentration of the triethylene glycol medium becomes dilute and dirty. At the same time, because the heater of the cleaning furnace is at the bottom of the equipment, the...
Claims
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IPC IPC(8): B01D41/04
Inventor 金德贵聂德全
Owner JIANGSU XINLONG CHEM FIBER MACHINERY