CN217838590U

CN217838590U - PH adjustment and oxidation integrated system for treating coal mine wastewater

Info

Publication number: CN217838590U
Application number: CN202222144030.2U
Authority: CN
Inventors: 曾丽华; 张满意
Original assignee: Guangdong Baihuipu Environmental Protection And Energy Saving Development Co ltd
Current assignee: Guangdong Baihuipu Environmental Protection And Energy Saving Development Co ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2022-11-18
Anticipated expiration: 2032-08-15

Abstract

The utility model discloses a handle pH regulation oxidation integration system of colliery waste water, including the neutralization pond and the oxidation pond of water route intercommunication, the neutralization pond is including according to the first neutralization cell and the second neutralization cell of water route intercommunication, and first neutralization cell and NaOH add the pencil intercommunication, and the second neutralization cell and lime add the pencil intercommunication, oxidation pond and aeration pipe intercommunication. The utility model discloses a handle pH of colliery waste water and adjust oxidation integration system has impurity and condenses characteristics good, area is little, easy operation and low cost.

Description

PH adjustment and oxidation integrated system for treating coal mine wastewater

Technical Field

The utility model relates to a sewage treatment technical field specifically indicates a handle pH regulation oxidation integration system of colliery waste water.

Background

The coal mine wastewater has the characteristics of unstable pH value, high concentration of suspended matters, high salinity, complex water quality and the like, and mine wastewater (such as iron element) containing heavy metal substances and the like. The common acidic coal mine wastewater also contains ferrous ion pollutants, the pH value must be adjusted to 7-8, then aeration is carried out to oxidize the ferrous ions into ferric ions, and the best effect is realized during subsequent coagulating sedimentation. However, at present, most of the sodium hydroxide is used for adjusting the pH value, the sodium hydroxide has no condensation effect, the dosage of the medicament is large during the subsequent coagulating sedimentation, the cost is high, and the occupied area is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a handle colliery waste water's pH regulation oxidation integration system has impurity and condenses the characteristics of acting on well, area is little, easy operation and low cost.

The utility model discloses can realize through following technical scheme:

the utility model discloses a handle pH regulation oxidation integration system of colliery waste water, including the neutralization pond and the oxidation pond of water route intercommunication, the neutralization pond is including according to the first neutralization cell and the second neutralization cell of water route intercommunication, and first neutralization cell and NaOH add the pencil intercommunication, and the second neutralization cell and lime add the pencil intercommunication, oxidation pond and aeration pipe intercommunication.

Further, the first neutralization unit grid and the second neutralization unit grid are provided with neutralization stirrers.

Further, the aeration pipes are communicated with air blowers, and the number of the air blowers is at least two for alternative standby.

Furthermore, the oxidation pond comprises a plurality of oxidation cells, and a plurality of aeration discs which are arranged in parallel are arranged on the oxidation cells.

Furthermore, the first neutralization unit cell, the second neutralization unit cell and the plurality of oxidation unit cells are provided with evacuation ports.

Furthermore, one end of the first neutralization unit cell is provided with a water inlet, and one end of the oxidation pond is provided with a water outlet opposite to the water outlet.

Further, the alternative spare blowers are communicated by a serial pipeline.

Furthermore, the water inlet and the water outlet are both positioned on the upper side of the neutralization pond or the oxidation pond.

Furthermore, the stirring blade of the neutralization stirrer extends into the bottom of the neutralization tank in an up-and-down penetrating manner.

Furthermore, a first partition plate is arranged between the first neutralization unit cell and the second neutralization unit cell, and the first neutralization unit cell and the second neutralization unit cell are communicated through a first water through hole in the first partition plate; a second partition plate is arranged between the second neutralization unit lattice and the oxidation pond, and the second neutralization unit lattice is communicated with the oxidation pond through a second water through hole in the second partition plate.

The utility model relates to a handle pH of colliery waste water and adjust oxidation integration system has following beneficial effect:

the utility model discloses handle colliery waste water's pH and adjust oxidation integration system, neutralization pond include two check, and first neutralization cell is thrown quick-witted sodium hydroxide, and calcium hydroxide is thrown to the neutralization cell in the second, and calcium hydroxide is cheap easily obtained, has the condensation to impurity in the waste water, practices thrift the cost, also helps to the effect of follow-up treatment. The integrated system is beneficial to treating the dispersed coal mine wastewater, saves the occupied area, is easy to complete automatic control, and has simple management operation, thereby having less equipment investment and small occupied area of the equipment. The treatment effect on the coal mine wastewater is obvious.

Drawings

FIG. 1 is a plan layout of a pH adjustment and oxidation integrated system for treating coal mine wastewater;

FIG. 2 isbase:Sub>A sectional view A-A of the pH adjustment and oxidation integrated system for treating coal mine wastewater of the present invention;

the reference numbers in the figures include: 1 water inlet, 2 lime dosing pipe, 3NaOH dosing pipe, 4 neutralizing stirrer, 5 evacuation ports, 6 evacuation ports, 7 slag discharge ports, 8 evacuation ports, 9 blower, 10 water outlet, 11 aeration pipe and 12 aeration disc.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following provides a detailed description of the product of the present invention with reference to the embodiments and the accompanying drawings.

As shown in figures 1-2, the utility model discloses a handle pH of colliery waste water and adjust oxidation integration system, including the neutralization pond 100 and the oxidation pond 200 of water route intercommunication, neutralization pond 100 is including according to the first neutralization unit check and the second neutralization unit check of water route intercommunication, and first neutralization unit check adds pencil 3 intercommunication with the NaOH, and the second neutralization unit check adds pencil 2 intercommunication with lime, and oxidation pond 200 and aeration pipe 11 intercommunication.

1-2, in order to realize effective neutralization, the first neutralization unit cell and the second neutralization unit cell are provided with a neutralization stirrer 4; specifically, the stirring blade of the neutralization stirrer 4 extends into the bottom of the neutralization tank 100 in an up-and-down penetrating manner. In order to ensure sufficient oxidation mixing, the aeration pipe 11 is communicated with the blowers 9, and the number of the blowers 9 is at least two for standby. Specifically, the alternating standby blowers 9 are in serial line communication.

As shown in fig. 1-2, the oxidation pond 200 includes a plurality of oxidation cells, and a plurality of aeration trays 12 are disposed in parallel in the oxidation cells to sufficiently ensure the aeration mixing effect.

As shown in the figures 1-2, in order to facilitate subsequent cleaning, the first neutralization unit cell, the second neutralization unit cell and the plurality of oxidation unit cells are provided with emptying ports 5-8.

As shown in fig. 1-2, the specific water path connection relationship of the present invention is: one end of the first neutralization unit cell is provided with a water inlet 1, and one end of the oxidation pond 200 is provided with a water outlet 10 opposite to the water outlet. The water inlet 1 and the water outlet 10 are both positioned at the upper side of the neutralization pond 100 or the oxidation pond 200. A first partition plate is arranged between the first neutralization unit cell and the second neutralization unit cell, and the first neutralization unit cell and the second neutralization unit cell are communicated through a first water through hole in the first partition plate; a second clapboard is arranged between the second neutralization unit cell and the oxidation pond 200, and the second neutralization unit cell is communicated with the oxidation pond 200 through a second water through hole on the second clapboard.

The working process of the pH adjusting and oxidizing integrated system of the utility model is as follows: adding sodium hydroxide and calcium hydroxide into water, and regulating the pH value to 7-8 by utilizing the principle of acid-base neutralization. The treated wastewater enters a neutralization tank 100 from a water inlet 1, reacts with sodium hydroxide firstly and then reacts with calcium hydroxide, and the reaction is carried out by utilizing a stirrer 4. Enters an oxidation pond 200, and a blower 9 for standby realizes 24-hour aeration to ensure enough dissolved oxygen. The oxidation pond is divided into a plurality of grids, and the aeration of the blower 9 is utilized for oxidation and stirring, so that enough hydraulic retention time is ensured. The aeration disc 12 is arranged on the bottom of the tank according to the standard design and is connected by the aeration pipe 11, so that the aeration in the wastewater in the tank is ensured to be uniform. 5-8 of evacuation ports, which are used when the corresponding neutralization tank and the oxidation tank need to be cleaned.

In the description of the present invention, it is to be understood that the terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

The above embodiments are only specific embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, many variations and modifications are possible without departing from the inventive concept, and such obvious alternatives fall within the scope of the invention.

Claims

1. The utility model provides a handle pH of colliery waste water and adjust oxidation integration system, includes the neutralization pond and the oxidation pond of water route intercommunication, its characterized in that: the neutralization pond comprises a first neutralization unit cell and a second neutralization unit cell which are communicated according to a water path, the first neutralization unit cell is communicated with a NaOH dosing pipe, the second neutralization unit cell is communicated with a lime dosing pipe, and the oxidation pond is communicated with an aeration pipe.

2. The integrated system for treating coal mine wastewater by pH regulation and oxidation as claimed in claim 1, wherein: and the first neutralization cell and the second neutralization cell are both provided with a neutralization stirrer.

3. The integrated system for treating coal mine wastewater by pH adjustment and oxidation according to claim 2, characterized in that: the aeration pipes are communicated with air blowers, and the number of the air blowers is at least two for alternative standby.

4. The integrated system for treating coal mine wastewater by pH adjustment and oxidation according to claim 3, characterized in that: the oxidation pond comprises a plurality of oxidation cells, and aeration discs which are arranged in parallel are arranged on the oxidation cells.

5. The integrated system for treating coal mine wastewater by pH adjustment and oxidation according to claim 4, characterized in that: the first neutralization unit grid, the second neutralization unit grid and the plurality of oxidation unit grids are all provided with evacuation ports.

6. The integrated system for treating coal mine wastewater by pH adjustment and oxidation according to claim 5, characterized in that: and a water inlet is formed in one end of the first neutralization unit cell, and a water outlet opposite to the water outlet is formed in one end of the oxidation pond.

7. The integrated system for treating coal mine wastewater by pH adjustment and oxidation according to claim 6, characterized in that: the alternative standby blowers are communicated through a serial pipeline.

8. The integrated system for treating coal mine wastewater by pH adjustment and oxidation according to claim 7, characterized in that: and the water inlet and the water outlet are both positioned at the upper side of the neutralization pond or the oxidation pond.

9. The integrated system for treating coal mine wastewater by pH regulation and oxidation as claimed in claim 8, wherein: and the stirring blade of the neutralization stirrer extends into the bottom of the neutralization tank in a vertically penetrating manner.

10. The integrated system for treating coal mine wastewater by pH adjustment and oxidation as claimed in claim 9, wherein: a first partition plate is arranged between the first neutralization unit cell and the second neutralization unit cell, and the first neutralization unit cell is communicated with the second neutralization unit cell through a first water through hole in the first partition plate; and a second partition plate is arranged between the second neutralization unit lattice and the oxidation pond, and the second neutralization unit lattice is communicated with the oxidation pond through a second water through hole on the second partition plate.