Automatic acid supply system of ceramic filters
A ceramic filter, automatic technology, applied in the field of mechanical equipment, can solve the problems of long acid supply pipeline, high maintenance cost of acid pump, low system safety and reliability, etc., to reduce later maintenance costs, improve safety and reliability, reduce The effect of leakage risk
Inactive Publication Date: 2019-12-20
YUNNAN DAHONGSHAN PIPELINE
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Problems solved by technology
[0004] 1. Each ceramic filter needs to be equipped with an acid pump separately. The number of acid pumps is large, the investment is large, and the maintenance cost of acid pumps is high in the later stage;
[0005] 2. The number of acid storage tanks to be configured is large, the acid supply pipeline is long, and the risk of nitric acid leakage is high;
[0006] 3. A lot of equipment is required for independent acid supply, and the safety and reliability of the system are low
Method used
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[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0021] refer to figure 2 , An embodiment of the present invention provides an automatic acid supply system for a ceramic filter. The automatic acid supply system for the ceramic filter includes a total acid storage tank 1, a total acid pump 2, a sub-storage tank 3, a sub-acid pump 4, a PLC system 5 and at least one pneumatic valve 6. The main acid storage tank 1, the main acid pump 2, the sub-acid storage tank 3 and the sub-acid pump 4 are connected in seque...
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The invention discloses an automatic acid supply system of ceramic filters. The automatic acid supply system comprises a total acid storage barrel, a total acid pump, a partial acid storage barrel, apartial acid pump, a programmable logic controller (PLC) system and at least one pneumatic valve, wherein the total acid storage barrel, the total acid pump, the partial acid storage barrel and the partial acid pump are sequentially connected through pipelines; the partial acid pump is connected with the at least one pneumatic valve; each pneumatic valve is connected with a ceramic filter; and a first liquid level detection device is arranged in the partial acid storage barrel. The PLC system is used for receiving a liquid level value detected by the first liquid level detection device; when the liquid level value is lower than or equal to a preset value, the PLC system opens the total acid pump until the liquid level in the partial acid storage barrel reaches the preset value; and the PLCsystem is used for opening the partial acid pump and the corresponding pneumatic valve when receiving a cleaning instruction, wherein the pneumatic valve can be started at a delayed preset time afterthe partial acid pump is started. According to the invention, acid supply equipment can be reduced, acid supply pipelines can be optimized, and safety and reliability of the acid supply system can beimproved.
Description
technical field [0001] The invention relates to the technical field of mechanical equipment, in particular to an automatic acid supply system for a ceramic filter. Background technique [0002] The post-treatment of slurry pipeline transportation requires the use of a dehydration system for slurry-water separation, and the water content of the dehydrated material must meet the user's direct use or storage requirements. The ceramic filter is the key equipment of the dehydration system, but the ceramic filter plate is easy to be blocked by the material, so the ceramic filter plate needs to be cleaned with nitric acid. Such as figure 1 Shown is a structural schematic diagram of an acid supply system in the prior art. There is nitric acid stored in the total acid storage tank 1A, and the nitric acid is input into the sub-acid storage tank 3A through the total acid pump 2A. Each acid storage tank 4A is independently equipped with an acid pump 5A to realize the independent acid...
Claims
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IPC IPC(8): B01D35/16
CPCB01D35/16
Inventor 杨建郑晓聪张晓南马波李申鹏张建春
Owner YUNNAN DAHONGSHAN PIPELINE