CN214734753U - Alkaline waste water PH neutralization apparatus - Google Patents
Alkaline waste water PH neutralization apparatus Download PDFInfo
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- CN214734753U CN214734753U CN202120606736.9U CN202120606736U CN214734753U CN 214734753 U CN214734753 U CN 214734753U CN 202120606736 U CN202120606736 U CN 202120606736U CN 214734753 U CN214734753 U CN 214734753U
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- waste water
- pipe
- acid solution
- blender
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Abstract
The utility model relates to a waste water treatment technical field specifically discloses an alkaline waste water PH neutralization apparatus, including blender, PH apparatus, circulating pump, measuring pump, acid solution elevated tank, one side of blender even has the waste pipe, opposite side and water piping connection, is equipped with the PH apparatus on the drain pipe, parallelly connected back flow on the drain pipe, the back flow is connected with the bottom of blender, is equipped with the circulating pump on the back flow, the top and the acid solution elevated tank of blender pass through the feed liquor union coupling, are equipped with the measuring pump on the feed liquor pipe, the measuring pump is connected with the converter. The utility model discloses a PH apparatus test waste water PH value after mixing, the converter is received and is corresponded numerical signal, and the motor speed of control measuring pump controls the flow size of acid solution, adjusts the PH value and reaches the neutrality and discharge, avoids environmental pollution, and the nozzle on the feed liquor pipe lets acid solution intensive mixing waste water, has improved mixing efficiency.
Description
Technical Field
The utility model belongs to the technical field of waste water treatment, specifically a basicity waste water PH neutralization apparatus.
Background
The wastewater is directly treated by a wastewater treatment device under the condition of alkalescence, and adverse effects such as precipitation can be caused, so that a device for automatically adjusting the pH value is additionally arranged on a conveying pipeline for treating the wastewater, and the pH value of the wastewater is adjusted to about 7 and then is discharged.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an alkaline waste water PH neutralization apparatus, through injecting into the acid solution into in the past blender and go on neutralizing alkaline waste water, give the converter through the PH value feedback signal of PH apparatus test, the motor speed of control measuring pump controls the flow size of acid solution, adjusts the PH value and reaches the neutrality and discharges, and the nozzle on the feed liquor pipe lets acid solution intensive mixing waste water, has improved mixing efficiency.
For solving the technical problem, the utility model provides an alkaline waste water PH neutralization apparatus, including blender, PH apparatus, circulating pump, converter, measuring pump, acid solution elevated tank, even there is the waste pipe one side of blender, opposite side and water piping connection, be equipped with on the drain pipe the PH apparatus, parallelly connected back flow on the drain pipe, the back flow with the bottom of blender is connected, be equipped with on the back flow the circulating pump, the top of blender with acid solution elevated tank passes through the feed liquor union coupling, be equipped with on the feed liquor pipe the measuring pump, the measuring pump with the converter is connected.
Further, the waste water pipe is connected with a waste water tank.
Furthermore, a drain valve is arranged on the drain pipe.
Further, the PH tester is connected with the frequency converter through a PLC
Furthermore, a return valve is arranged on the return pipe.
Further, a liquid inlet valve is arranged between the metering pump and the acid solution elevated tank.
Furthermore, the one end that the feed liquor pipe stretched into in the blender is equipped with the nozzle, the nozzle is cylindric, and jet orifice size evenly distributed is on the bottom face and the outer circumference of nozzle.
Further, a liquid control valve is arranged between the metering pump and the mixer.
Further, a liquid level meter is arranged on the acid solution head tank.
The utility model has the advantages that: injecting an acid solution into the mixer to neutralize with the wastewater, testing the pH value of the wastewater after mixing by a pH tester, receiving a signal corresponding to the pH value by a frequency converter, and controlling the rotating speed of a motor of a metering pump to control the addition or decrement of the acid solution to enter the mixer; the nozzles on the liquid inlet pipe are provided with uniformly distributed holes, so that the acid solution can enter the mixer to be fully neutralized with the wastewater, and the mixing efficiency is improved; unqualified waste water tested by the PH tester returns to the waste water mixer through the circulating pump to be mixed again, and finally the PH value is adjusted to be neutral to be discharged, so that the environmental pollution is avoided.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of an alkaline wastewater PH neutralization apparatus according to the present invention;
in the figure: 1-mixer, 2-PH tester, 3-circulating pump, 4-frequency converter, 5-metering pump, 6-acid solution head tank, 7-waste water pipe, 8-water discharge pipe, 9-return pipe, 10-liquid inlet pipe, 11-waste water tank, 12-drain valve, 13-return valve, 14-liquid inlet valve, 15-nozzle, 16-control valve and 17-liquid level meter.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In a specific embodiment of the present invention, as shown in fig. 1, an alkaline wastewater PH neutralization apparatus comprises a mixer 1, a PH meter 2, a circulating pump 3, a frequency converter 4, a metering pump 5, and an acid solution head tank 6, wherein one side of the mixer 1 is connected with a wastewater pipe 7, the other side is connected with a drain pipe 8, the wastewater pipe 7 is connected with a wastewater tank 11, the drain pipe 8 is provided with the PH meter 2 and a drain valve 12, the drain pipe 8 is connected with a return pipe 9 in parallel, the return pipe 9 is connected with the bottom of the mixer 1, the return pipe 9 is provided with the circulating pump 3 and a return valve 13, the acid solution head tank 6 is provided with a liquid level meter 17, the top of the mixer 1 is connected with the acid solution head tank 6 through a liquid inlet pipe 10, the liquid inlet pipe 10 is provided with the metering pump 5, one end of the liquid inlet pipe 10 extending into the mixer 1 is provided with a nozzle 15, the nozzle 15 is a cylindrical jet hole, and is uniformly distributed on the bottom end surface and the outer circumference of the nozzle, be equipped with feed liquor valve 14 between metering pump 5 and the acid solution elevated tank 6, be equipped with accuse liquid valve 16 between metering pump 5 and the blender 1, metering pump 5 is connected with converter 4, and PH apparatus 2 passes through PLC with converter 4 and is connected.
The utility model discloses during the concrete operation, select concentrated sulfuric acid to carry out with alkaline waste water regulation as the acid solution for use, all valves all close the state, specifically, waste water passes through waste water pipe 7 from waste water tank 11 and gets into blender 1, open acid solution elevated tank top valve earlier, make concentrated sulfuric acid get into in acid solution elevated tank 6, reopen feed liquor valve 14 and accuse liquid valve 16, then concentrated sulfuric acid passes through feed liquor pipe 10, evenly spout into blender 1 from nozzle 15, detect out the pH value through PH apparatus 2, if the pH value is greater than 8, converter 4 receives the feedback signal of PH apparatus 2, the motor speed that converter 4 received signal back drive measuring pump 5 accelerates, thereby let the volume that concentrated sulfuric acid got into blender 1 increase; if the PH value is less than 8, converter 4 receives the feedback signal of PH apparatus 2, converter 4 receives the motor speed of drive measuring pump 5 behind the signal and reduces, thereby let concentrated sulfuric acid get into the quantitative of blender 1 diminish, open return valve 13, start circulating pump 3, let unqualified waste water continue to mix in getting into blender 1 through back flow 9, the numerical value that measures through PH apparatus 2 reaches about 7, open drain valve 12, the neutral waste water after will reaching standard discharges in the waste water treatment pond through drain pipe 8, see the liquid level in acid solution elevated tank 6 through level gauge 17 in addition, if be less than minimum liquid level automatic addition concentrated sulfuric acid.
The above disclosure is only a preferred embodiment of the present invention, and certainly should not be taken as limiting the scope of the invention, which is defined by the claims and their equivalents.
Claims (9)
1. A PH neutralization device for alkaline wastewater is characterized by comprising a mixer (1), a PH tester (2), a circulating pump (3), a frequency converter (4), a metering pump (5) and an acid solution head tank (6), one side of the mixer (1) is connected with a waste water pipe (7), the other side is connected with a drain pipe (8), the PH tester (2) is arranged on the drain pipe (8), a return pipe (9) is connected on the drain pipe (8) in parallel, the return pipe (9) is connected with the bottom of the mixer (1), the return pipe (9) is provided with the circulating pump (3), the top of the mixer (1) is connected with the acid solution head tank (6) through a liquid inlet pipe (10), the liquid inlet pipe (10) is provided with the metering pump (5), and the metering pump (5) is connected with the frequency converter (4).
2. Alkaline waste water PH neutralization apparatus according to claim 1, characterized in that the waste water pipe (7) is connected to a waste water tank (11).
3. The alkaline waste water PH neutralization apparatus according to claim 1, characterized in that the drain pipe (8) is provided with a drain valve (12).
4. The alkaline waste water PH neutralization apparatus according to claim 1, wherein the PH meter (2) is connected to the frequency converter (4) by PLC.
5. The PH neutralization apparatus for alkaline waste water as claimed in claim 1, characterized in that the return pipe (9) is provided with a return valve (13).
6. The alkaline waste water PH neutralization apparatus according to claim 1, characterized in that a liquid inlet valve (14) is provided between the metering pump (5) and the acid solution head tank (6).
7. The PH neutralization apparatus for alkaline waste water as claimed in claim 1, characterized in that the end of the inlet pipe (10) extending into the mixer (1) is provided with nozzles (15), the nozzles (15) are cylindrical and the size of the spray holes are evenly distributed on the bottom end surface and the outer circumference of the nozzles.
8. The alkaline waste water PH neutralization apparatus according to claim 1, characterized in that a liquid control valve (16) is provided between the metering pump (5) and the mixer (1).
9. The alkaline wastewater PH neutralization apparatus according to claim 1, wherein the acid solution head tank (6) is provided with a liquid level meter (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120606736.9U CN214734753U (en) | 2021-03-25 | 2021-03-25 | Alkaline waste water PH neutralization apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120606736.9U CN214734753U (en) | 2021-03-25 | 2021-03-25 | Alkaline waste water PH neutralization apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214734753U true CN214734753U (en) | 2021-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120606736.9U Active CN214734753U (en) | 2021-03-25 | 2021-03-25 | Alkaline waste water PH neutralization apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN214734753U (en) |
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2021
- 2021-03-25 CN CN202120606736.9U patent/CN214734753U/en active Active
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