JPS5927893U - pH adjustment device - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

FIG. 1 is a diagram illustrating a conventional PH adjusting device, FIG. 2 is an external view of the PH adjusting device according to this invention, and FIG. 3 is a diagram showing the functions of the device shown in FIG. 2. In the figure, 1 is the stock solution tank, 2i is the stock solution reaction tank, 3 is the liquid level gauge, 4 is the controller, 5 is the stock solution pump Milo is the alkaline agent tank, 7 is the acidic agent tank, 8 is the dual metering pump, and 9 is the air blower. -110
, 11, 12, 13 are valves, 14 is a vacuum filter, 15
is the feed pump, 16a to 16n are tubes, 17a and 17b are electric wires, 18
a is the PH detector, tab is the detection part of the PH detector, 19 is A-
20 is a motor control circuit, 21 is a servo motor, 22 is a shaft coupling, 23 is a flow regulator, 24 is a motor control circuit, 25 is a servo motor, 26 is a shaft coupling, 27 is a flow regulator, 28 is a Feed pump control circuit, 29 keyboard, 30 link, 31 memory, 32 central processing unit (CPU), 33 input/output interface, 34
35 is a support plate, and 36 is a mounting base. In the drawings, the same or corresponding parts are designated by the same reference numerals.

Claims (1)

[Scope of utility model registration request] Factory wastewater containing organic matter is stored (a first tank, a second tank for mixing factory wastewater and a neutralizing agent, and connected to the second tank, and the liquid level in the second tank is A liquid level gauge that detects
a controller that is connected to the liquid level gauge and operates or stops the pump connected to the first tank according to the amount detected by the liquid level gauge; a pump for supplying factory wastewater from the first tank; a PH detection means provided in the second tank to detect the pH value of the liquid in the second tank; and a PH detection means an A-D converter connected to the PH detector to convert a digital value from the PH detector into an analog value, and supplying a neutralizing agent to the second tank in response to the PH value detected by the PH detecting means. a plurality of neutralizing agent tanks connected to the plurality of neutralizing agent tanks and adjusting the flow rate of the neutralizing agent; and a plurality of flow rate regulators connected to the flow rate regulator and detected by the PH detection means. A plurality of motors that operate the plurality of flow rate regulators according to instructions from a plurality of motor control circuits corresponding to the pH value, and a vacuum that receives liquid from the second tank and separates the liquid into solid and water. a filter, connected to the vacuum filter, and connected to a pump connected to the vacuum filter to transfer the liquid in the second tank, the vacuum A pump control circuit that operates or stops a pump connected to the filter, and a pump control circuit that is connected to each of the first tank, the second tank, and the plurality of neutralizer tanks through pipes, and is connected to each of the above-mentioned first tanks, the second tank, and the plurality of neutralizer tanks, and is connected to various types of liquids. A means for stirring, a memory for storing information necessary for pH adjustment and an operation program, a control means for supplying control signals to each of the above-mentioned devices, etc., a keyboard for inputting information to the above-mentioned control means, etc.; A pH adjustment device characterized by comprising a printing device for printing adjustment results, etc.