CN210393858U

CN210393858U - PH adjusting device in sewage treatment process

Info

Publication number: CN210393858U
Application number: CN201921006903.5U
Authority: CN
Inventors: 张仁惠; 吕朝阳
Original assignee: Jinan Jinye Environmental Protection Co Ltd
Current assignee: Jinan Jinye Environmental Protection Co Ltd
Priority date: 2019-07-01
Filing date: 2019-07-01
Publication date: 2020-04-24
Anticipated expiration: 2029-07-01

Abstract

The utility model discloses a PH adjusting device in the sewage treatment process, which comprises a primary neutralization cylinder and a secondary neutralization cylinder, wherein two groups of water inlets are arranged at the upper end of the primary neutralization cylinder, the water inlets are all communicated with a main water inlet pipe, the lower end of the primary neutralization cylinder is provided with a water outlet, two groups of auxiliary water inlets and a group of main water inlets are arranged at the upper end of the secondary neutralization cylinder, an intermediate pipe is communicated and arranged between the main water inlet and the water outlet of the primary neutralization cylinder, a third PH detecting mechanism is arranged at the main water inlet, a water inlet branch pipe is all communicated and arranged at the auxiliary water inlet, the PH adjusting device realizes dynamic control mixing proportion by carrying out segmented pH value detection on sewage in the sewage treatment process, and adopts a mode of graded regulation and control of the two-stage neutralization cylinders to ensure that the sewage gradually approaches to the discharge standard, and adopts the structural design of the neutralization cylinder to effectively reduce the occupied area of the device, the use cost is reduced.

Description

PH adjusting device in sewage treatment process

Technical Field

The utility model relates to a sewage treatment device technical field specifically is a PH adjusting device among sewage treatment process.

Background

In the sewage treatment process, because the pH value of the sewage is unbalanced, the direct discharge can cause great influence on the surrounding environment, therefore, the sewage needs to be neutralized before being discharged, in the prior art, firstly, corresponding strong acid or strong base agents are directly put into the sewage to neutralize the sewage, the effect is obvious, but the agent consumption is great, the cost is high, secondly, three large pools of an acid sewage pool, an alkaline sewage pool and a neutralization sewage pool are built to mix the acid sewage and the alkaline sewage to realize the mutual neutralization between the acid sewage and the alkaline sewage, thereby meeting the discharge requirement, however, the treatment mode has large floor area and high initial investment, and the two treatment modes have the problems of mixing ratio of the sewage, the agents and different sewages, the accurate control is difficult to realize, the pH value of the finally neutralized sewage is difficult to stabilize, and the initial sewage is not in a stable state, therefore, it is difficult to control the ratio in the later stage of drug administration or sewage mixing.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a PH adjusting device among sewage treatment process, detect through segmenting the pH valve to sewage, realize the mixed proportion of dynamic control, and adopt in the two-stage and the hierarchical mode of regulating and control of a section of thick bamboo, make sewage progressively approach emission standard, and adopt the structural design of a neutralization section of thick bamboo, effectively reduce equipment area, reduce use cost, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a PH adjusting device in a sewage treatment process comprises a primary neutralizing cylinder and a secondary neutralizing cylinder, wherein two groups of water inlets are formed in the upper end of the primary neutralizing cylinder, water inlets are communicated with a main water inlet pipe, and a water outlet is formed in the lower end of the primary neutralizing cylinder;

the upper end of the secondary neutralization cylinder is provided with two groups of auxiliary water inlets and a group of main water inlets, an intermediate pipe is communicated between the main water inlets and the water outlet of the primary neutralization cylinder, a third PH detection mechanism is arranged at the main water inlet, and the auxiliary water inlets are communicated with water inlet branch pipes;

the water inlet main pipe is connected with a first pump body in series, a first PH detection mechanism is arranged inside the water inlet main pipe, the water inlet main pipe is communicated with a water inlet branch pipe through a three-way valve, a first flow meter is arranged between the three-way valve and the water inlet main pipe between the first-stage neutralization cylinders, and an electric regulating valve is connected inside the water inlet branch pipe in series;

the lower end of the second-stage neutralization cylinder is provided with a water outlet, and a second PH detection mechanism is arranged at the water outlet.

As an optimal technical scheme of the utility model, the upper end of a second grade neutralization section of thick bamboo sets up two sets of supplementary filling openings, and two sets of supplementary filling openings department communicates respectively and sets up the medicament filler pipe, the inside second pump body that concatenates of medicament filler pipe, with the medicament filler pipe and the supply apparatus intercommunication of external strong acid and strong base, when the serious skew emission standard of final treatment's sewage pH valve, through the medicament of adding strong acid or strong base, with in the sewage and to emission standard.

As an optimal technical scheme of the utility model, the inside third flowmeter that sets up of medicament filling pipe, when the medicament was annotated, detect the flow of annotating the medicament, avoid excessive or not enough with annotating.

As the utility model discloses a preferred technical scheme, the inside second flowmeter that sets up of inlet branch pipe carries out flow monitoring to the sewage that flows through inlet branch pipe, and the cooperation electrical control valve realizes the circulation of the inside sewage of inlet branch pipe.

As the utility model discloses a preferred technical scheme, the third pump body concatenates inside the intermediate pipe, through the effect of the third pump body, with the sewage promotion after the one-level neutralization section of thick bamboo is inside to the second grade neutralization section of thick bamboo.

As an optimal technical scheme of the utility model, the one-level is with a section of thick bamboo and the second grade is with the inside rabbling mechanism that all sets up of a section of thick bamboo, the rabbling mechanism includes the (mixing) shaft of gyration axis and neutralization section of thick bamboo axis coincidence, the stirring shaft tip sets up the motor, through the rabbling mechanism effect, realizes the flash mixed of two kinds of sewage or medicaments, promotes neutralization reaction.

Compared with the prior art, the beneficial effects of the utility model are that: this PH adjusting device in sewage treatment process detects through segmentation pH valve to sewage, realizes dynamic control mixing ratio, and adopts the mode of hierarchical regulation and control of a two-stage neutralization section of thick bamboo, makes sewage progressively approach emission standard, and adopts the structural design of a neutralization section of thick bamboo, effectively reduces equipment area, reduces use cost.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a sectional view of the present invention.

In the figure: the device comprises a 1-stage neutralization cylinder, a 2-stage neutralization cylinder, a 3-water inlet main pipe, a 301 first pump body, a 302 first PH detection mechanism, a 303 first flowmeter, a 4-water inlet branch pipe, a 401 electric regulating valve, a 402 second flowmeter, a 5-medicament filling pipe, a 501 second pump body, a 502 third flowmeter, a 6 water outlet pipe, a 601 second PH detection mechanism, a 7 stirring mechanism, an 8 middle pipe, a 801 third PH detection mechanism and an 802 third pump body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a PH adjusting device in a sewage treatment process comprises a primary neutralization cylinder 1 and a secondary neutralization cylinder 2, wherein two groups of water inlets are arranged at the upper end of the primary neutralization cylinder 1, water inlets are communicated with a main water inlet pipe 3, and a water outlet is arranged at the lower end of the primary neutralization cylinder 1;

the upper end of the secondary neutralization cylinder 2 is provided with two groups of auxiliary water inlets and a group of main water inlet, a middle pipe 8 is communicated between the main water inlet and the water outlet of the primary neutralization cylinder 1, a third PH detection mechanism 801 is arranged at the main water inlet, and the auxiliary water inlets are all communicated with a water inlet branch pipe 4;

the inside of the water inlet main pipe 3 is connected with a first pump body 301 in series, a first PH detection mechanism 302 is arranged inside the water inlet main pipe 3, the pH value of the filled sewage is detected to determine the initial mixing proportion of different sewage, the water inlet main pipe 3 is communicated with the water inlet branch pipe 4 through a three-way valve, a first flowmeter 303 is arranged between the three-way valve and the water inlet main pipe 3 between the primary neutralization cylinders 1, and an electric regulating valve 401 is connected inside the water inlet branch pipe 4 in series;

the lower end of the second-stage neutralization cylinder 2 is provided with a water outlet, and a second PH detection mechanism 601 is arranged at the water outlet.

Two groups of auxiliary liquid filling ports are formed in the upper end of the secondary neutralization cylinder 2, the two groups of auxiliary liquid filling ports are respectively communicated with a medicament filling pipe 5, a second pump body 501 is connected in series inside the medicament filling pipe 5, the medicament filling pipe 5 is communicated with external strong acid and strong base supply equipment, and when the pH value of finally-treated sewage is seriously deviated from a discharge standard, the sewage is neutralized to the discharge standard by adding a medicament of strong acid or strong base.

The third flow meter 502 is provided inside the drug filling pipe 5, and when the drug is filled, the flow rate of the filled drug is detected, so that the excess or insufficient filling is avoided.

The inside second flowmeter 402 that sets up of branch pipe 4 of intaking carries out flow monitoring to the sewage that flows through branch pipe 4 of intaking, and the cooperation electrical control valve 401 realizes the circulation of the inside sewage of branch pipe 4 of intaking.

The third pump body 802 is connected in series inside the middle pipe 8, and the sewage neutralized inside the primary neutralization cylinder 1 is lifted to the inside of the secondary neutralization cylinder 2 under the action of the third pump body 802.

A1 and the second grade neutralization section of thick bamboo 2 inside all sets up rabbling mechanism 7 in the one-level, and rabbling mechanism 7 includes the (mixing) shaft of gyration axis and neutralization section of thick bamboo axis coincidence, and the stirring shaft tip sets up the motor, through the 7 effects of rabbling mechanism, realizes the flash mixed of two kinds of sewage or medicaments, promotes neutralization reaction.

The PH detector is preferred to PH detection mechanism, like the online PH meter of PH5778 type that Shanghai Yilun environment science and technology Limited company produced, the venturi flowmeter is preferred to the flowmeter, wherein because the main pipe 3 pipe diameter of intaking is thicker, consequently the bayonet venturi flowmeter is preferred to first flowmeter 303, and the pneumatic diaphragm pump is preferred to the pump body, and the wiring and the control mode of above equipment all adopt the common mode among the prior art.

When in use: the first pump body 301 acts to fill acidic sewage and alkaline sewage into the primary neutralization drum 1 through the water inlet main pipe 3, and simultaneously, the pH value of the filled sewage is detected through the action of the first pH detection mechanism 302, so that the power of the first pump body 301 is controlled, the two kinds of sewage are filled in proportion, at the moment, the stirring mechanism 7 works to stir the internally mixed sewage, then the sewage in the primary neutralization drum 1 is lifted to the secondary neutralization drum 2 under the action of the third pump body 802, when the sewage passes through the main water inlet 801 of the secondary neutralization drum 2, the third pH detection mechanism detects the pH value of the flowing sewage and feeds back the detection result to the external control unit, when the pH value is unbalanced, the corresponding first pump body 301 is controlled to adjust the power, the filling speed of the corresponding sewage is changed, and the electric control valve 401 inside the corresponding water inlet branch pipe 4 is regulated and controlled at the same time, the adjustment corresponds the filling volume of water inlet branch pipe 4 to the inside sewage of second grade neutralization section of thick bamboo 2 to carry out the second grade neutralization effect in second grade neutralization section of thick bamboo 2 inside, and intensive mixing under the effect of rabbling mechanism 7, discharge through the delivery port afterwards, when discharging, detect through second PH detection mechanism 601, ensure that the pH value of final sewage accords with the standard, if the pH value of final sewage seriously exceeds standard, then the second pump body 501 work, carry out the filling of corresponding medicament, ensure that final emission is up to standard.

The utility model discloses a segmenting pH valve to sewage and detecting, realizing the mixed proportion of dynamic control, and adopting in the two-stage and the mode of a hierarchical regulation and control of a section of thick bamboo, make sewage progressively approach emission standard, and adopt the structural design of a neutralization section of thick bamboo, effectively reduce equipment area, reduce use cost.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a PH adjusting device among sewage treatment process, includes one-level neutralization section of thick bamboo (1) and second grade neutralization section of thick bamboo (2), its characterized in that: two groups of water inlets are arranged at the upper end of the primary neutralization cylinder (1), the water inlets are communicated with a main water inlet pipe (3), and the lower end of the primary neutralization cylinder (1) is provided with a water outlet;

the upper end of the secondary neutralization cylinder (2) is provided with two groups of auxiliary water inlets and a group of main water inlet, a middle pipe (8) is communicated between the main water inlet and the water outlet of the primary neutralization cylinder (1), a third PH detection mechanism (801) is arranged at the main water inlet, and the auxiliary water inlets are all communicated with and provided with water inlet branch pipes (4);

a first pump body (301) is connected in series with the inside of the water inlet main pipe (3), a first PH detection mechanism (302) is arranged inside the water inlet main pipe (3), the water inlet main pipe (3) is communicated with the water inlet branch pipe (4) through a three-way valve, a first flowmeter (303) is arranged between the three-way valve and the water inlet main pipe (3) between the first-stage neutralization cylinder (1), and an electric regulating valve (401) is connected in series with the inside of the water inlet branch pipe (4);

the lower end of the secondary neutralization cylinder (2) is provided with a water outlet, and a second PH detection mechanism (601) is arranged at the water outlet.

2. The PH adjusting apparatus for sewage treatment according to claim 1, wherein: two groups of auxiliary liquid filling ports are formed in the upper end of the secondary neutralization barrel (2), the two groups of auxiliary liquid filling ports are respectively communicated with a medicament filling pipe (5), and a second pump body (501) is connected in series inside the medicament filling pipe (5).

3. The PH adjusting apparatus for sewage treatment according to claim 2, wherein: a third flow meter (502) is arranged inside the medicament filling pipe (5).

4. The PH adjusting apparatus for sewage treatment according to claim 1, wherein: and a second flowmeter (402) is arranged in the water inlet branch pipe (4).

5. The PH adjusting apparatus for sewage treatment according to claim 1, wherein: the inside of the middle pipe (8) is connected with a third pump body (802) in series.

6. The apparatus for pH adjustment in a wastewater treatment process according to any of claims 1 to 5, wherein: the stirring mechanism (7) is arranged in the first-stage neutralization cylinder (1) and the second-stage neutralization cylinder (2), the stirring mechanism (7) comprises a stirring shaft with a rotation axis coincident with the axis of the neutralization cylinder, and a motor is arranged at the end part of the stirring shaft.