CN214735036U

CN214735036U - Desulfurization waste water high-efficiency processing device of power plant

Info

Publication number: CN214735036U
Application number: CN202120828745.2U
Authority: CN
Inventors: 赵凯; 张军; 康夜雨; 刘永宽; 夏建林; 李振兴
Original assignee: Dezhou Power Plant of Huaneng International Power Co Ltd
Current assignee: Dezhou Power Plant of Huaneng International Power Co Ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-11-16
Anticipated expiration: 2031-04-22

Abstract

The utility model belongs to the technical field of wastewater treatment, in particular to a high-efficiency treatment device for desulfurization wastewater in a power plant, which comprises a base, wherein the top end of the base is provided with a first box body and a second box body through a bracket, the top end of the first box body is provided with a liquid inlet pipe, a first filter screen is arranged in the first box body, the side surface of the second box body is provided with a drain pipe, the first box body and the second box body are connected through a connecting pipe, the utility model can filter wastewater through the arranged two stages of filter screens, can successively carry out oxidation and precipitation reaction on the wastewater through the arranged first box body as a precipitation reaction device, continuously stir the wastewater by a stirring motor at the bottom, accelerate the contact of the wastewater and reaction substances, improve the reaction efficiency, and can discharge the treated wastewater after the in-process neutralization reaction to accord with indexes through the arranged second box body as a neutralization reaction device, the utility model discloses simple structure, convenient operation is fit for using widely.

Description

Desulfurization waste water high-efficiency processing device of power plant

Technical Field

The utility model relates to a desulfurization waste water high efficiency treatment device of power plant belongs to waste water treatment technical field.

Background

The waste water produced in the wet desulfurization (limestone/gypsum method) process of the boiler flue gas comes from the discharge water of the absorption tower. In order to maintain the balance of the mass of the slurry circulation system of the desulfurization unit, prevent the soluble fraction of the flue gas, i.e., the chlorine concentration, from exceeding the specified value and ensure the quality of gypsum, a certain amount of waste water must be discharged from the system, which is mainly from the gypsum dewatering and cleaning system. The impurities contained in the wastewater mainly comprise suspended matters, supersaturated sulfite, sulfate and heavy metals. The existing desulfurization wastewater treatment process needs multiple reactions and precipitation for wastewater treatment, and the reaction is complicated and influences the wastewater treatment efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a desulfurization waste water high efficiency processing device of power plant solves the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a desulfurization waste water high-efficiency processing device of power plant, includes the base, the base top is equipped with first box and second box through the support, first box top is equipped with the feed liquor pipe, the inside first filter screen that is equipped with of first box, second box side is equipped with the drain pipe, first box and second box pass through the connecting pipe and connect.

Preferably, the bottom end of the side surface of the first box body is fixedly provided with a first stirring motor through a support frame, and a first stirring rod is arranged on the first stirring motor.

Preferably, an oxidation dosing tank and an alkali liquor dosing tank are fixedly arranged at the top end of the first box body, and the oxidation dosing tank and the alkali liquor dosing tank are connected with the first box body through a first pipeline.

Preferably, liquid level sensors are arranged in the first box body and the second box body.

Preferably, the bottom end of the liquid inlet pipe is fixedly provided with a second filter screen, the second filter screen is of a cylindrical structure, and the first filter screen and the second filter screen are arranged adjacently.

Preferably, one end of the connecting pipe is provided with a third filter screen and is arranged at the bottom end of the side face of the first box body, the other end of the connecting pipe is arranged at the top end of the side face of the second box body, the connecting pipe is provided with a liquid pump, and the liquid pump is fixedly arranged at the top end of the side face of the second box body.

Preferably, the top end of the second box body is fixedly provided with a neutralization dosing tank, and the neutralization dosing tank is connected with the second box body through a second pipeline.

Preferably, the first pipeline and the second pipeline are respectively provided with a first electromagnetic valve and a second electromagnetic valve.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model belongs to the technical field of waste water treatment, specifically disclose a desulfurization waste water high efficiency treatment device of power plant, the utility model discloses a two-stage filter screen that sets up can carry out filtration treatment to waste water, can successively carry out oxidation and precipitation reaction to waste water as precipitation reaction unit through the first box that sets up, and the agitator motor of bottom constantly stirs waste water, and waste water and reactant's contact improves reaction efficiency with higher speed, and the second box through setting up can discharge the waste water that has handled with the reaction after in progress with the reaction device, the utility model discloses simple structure, convenient operation is fit for using widely.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a schematic structural view of the present invention;

in the figure: 1. a base; 2. a support; 3. a first case; 4. a second case; 5. a liquid inlet pipe; 6. a first filter screen; 7. a drain pipe; 8. a connecting pipe; 9. a support frame; 10. a first stirring motor; 11. a first stirring rod; 12. an oxidation dosing tank; 13. an alkali liquor dosing tank; 14. a first conduit; 15. a liquid level sensor; 16. a second filter screen; 17. a third filter screen; 18. a liquid pump; 19. a neutralization dosing tank; 20. A second conduit; 21. a first solenoid valve; 22. a second solenoid valve.

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.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a desulfurization waste water high-efficiency processing device of power plant, includes

base

1, 1 top of base is equipped with first box 3 and second box 4 through

support

2, 3 tops of first box are equipped with

feed liquor pipe

5, 3 inside first filter screens 6 that are equipped with of first box, 4 sides of second box are equipped with drain pipe 7, first box 3 and second box 4 pass through connecting pipe 8 and connect.

Further, the bottom end of the side surface of the first box body 3 is fixedly provided with a first stirring motor 10 through a support frame 9, and the first stirring motor 10 is provided with a first stirring rod 11.

Further, fixed oxidation dosing tank 12 and the alkali lye dosing tank 13 of being equipped with in first box 3 top, oxidation dosing tank 12 and alkali lye dosing tank 13 are connected with first box 3 through first pipeline 14.

Further, liquid level sensors 15 are arranged inside the first box body 3 and the second box body 4.

Further, 5 bottom end fixings of feed liquor pipe are equipped with second filter screen 16, second filter screen 16 is the cylindricality structure, first filter screen 6 sets up with second filter screen 16 is adjacent.

Further, 8 one end of connecting pipe is equipped with third filter screen 17 and sets up in first box 3 side bottom, 8 other ends of connecting pipe set up on 4 side tops of second box, be equipped with liquid pump 18 on 8 of connecting pipe, liquid pump 18 is fixed to be set up on 4 side tops of second box.

Further, a neutralization dosing tank 19 is fixedly arranged at the top end of the second box body 4, and the neutralization dosing tank 19 is connected with the second box body 4 through a second pipeline 20.

Further, a first solenoid valve 21 and a second solenoid valve 22 are respectively disposed on the first pipeline 14 and the second pipeline 20.

The working principle is as follows: the utility model relates to a high-efficiency treatment device for desulfurization wastewater in a power plant, when in use, wastewater enters a first box body 3 from a liquid inlet pipe 5, a first filter screen 6 and a second filter screen 16 effectively filter precipitates in the wastewater, when the liquid level of the wastewater reaches a set height, the liquid inlet pipe 5 is closed, a first stirring motor 10 is started to stir the wastewater through a first stirring rod 11, an oxidation dosing tank 12 and an alkali liquor dosing tank 13 sequentially add chemicals into the first box body 3 through pipelines, the wastewater generates alkaline precipitates after oxidation and alkali liquor sequential mixing reaction, the treated wastewater enters a second box body 4 through a connecting pipe 8 under the action of a liquid pump 18, the liquid pump 18 stops working after the liquid level of the second box body 4 reaches the set height, the residual wastewater in the connecting pipe 8 flows back into the first box body 3, and impurities on a third filter screen 17 are washed out, simultaneously, the second agitator motor starts to stir waste water through the second stirring rod, and neutralization dosing tank 19 adds neutralization agent to waste water, makes waste water pH reduce to the setting value, and the waste water of accomplishing the processing passes through drain pipe 7 and discharges, the utility model discloses simple structure, convenient operation is fit for using widely.

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 desulfurization waste water high efficiency processing device of power plant which characterized in that: including base (1), base (1) top is equipped with first box (3) and second box (4) through support (2), first box (3) top is equipped with feed liquor pipe (5), first box (3) inside is equipped with first filter screen (6), second box (4) side is equipped with drain pipe (7), first box (3) and second box (4) are connected through connecting pipe (8).

2. The high-efficiency treatment device for desulfurization wastewater of power plant according to claim 1, characterized in that: the bottom end of the side face of the first box body (3) is fixedly provided with a first stirring motor (10) through a support frame (9), and a first stirring rod (11) is arranged on the first stirring motor (10).

3. The high-efficiency treatment device for desulfurization wastewater of power plant according to claim 1, characterized in that: first box (3) top is fixed to be equipped with oxidation and adds medicinal cupping (12) and alkali lye and add medicinal cupping (13), oxidation adds medicinal cupping (12) and alkali lye and adds medicinal cupping (13) and is connected with first box (3) through first pipeline (14).

4. The high-efficiency treatment device for desulfurization wastewater of power plant according to claim 1, characterized in that: and liquid level sensors (15) are arranged in the first box body (3) and the second box body (4).

5. The high-efficiency treatment device for desulfurization wastewater of power plant according to claim 1, characterized in that: the bottom end of the liquid inlet pipe (5) is fixedly provided with a second filter screen (16), the second filter screen (16) is of a cylindrical structure, and the first filter screen (6) and the second filter screen (16) are arranged adjacently.

6. The high-efficiency treatment device for desulfurization wastewater of power plant according to claim 1, characterized in that: connecting pipe (8) one end is equipped with third filter screen (17) and sets up in first box (3) side bottom, connecting pipe (8) other end sets up on second box (4) side top, be equipped with liquid pump (18) on connecting pipe (8), liquid pump (18) are fixed to be set up on second box (4) side top.

7. The high-efficiency treatment device for desulfurization wastewater of power plant according to claim 1, characterized in that: the top end of the second box body (4) is fixedly provided with a neutralization dosing tank (19), and the neutralization dosing tank (19) is connected with the second box body (4) through a second pipeline (20).

8. The high-efficiency treatment device for desulfurization wastewater of power plant according to claim 3, characterized in that: the first pipeline (14) and the second pipeline (20) are respectively provided with a first electromagnetic valve (21) and a second electromagnetic valve (22).