CN219167780U

CN219167780U - Sewage treatment device

Info

Publication number: CN219167780U
Application number: CN202320338022.3U
Authority: CN
Inventors: 张瑞峰
Original assignee: Baotou Second Thermal Power Plant North United Power Corp
Current assignee: Baotou Second Thermal Power Plant North United Power Corp
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-06-13
Anticipated expiration: 2033-02-28

Abstract

The utility model discloses a sewage treatment device. A sewage treatment apparatus comprising: the treatment tank is provided with a first baffle, a second baffle and a third baffle in the treatment tank, the second baffle is the same as the third baffle in height, the first baffle is higher than the second baffle and the third baffle in height, the treatment tank is divided into a first-stage sedimentation area, a second-stage sedimentation area, a flocculation area and a clear water area under the action of the first baffle, the second baffle and the third baffle, a dosing aeration pipe group is arranged in the flocculation area, and one side of the treatment tank is provided with a medicament box. The sewage treatment device provided by the utility model is suitable for treating water areas with larger areas, and the manufacturing cost is relatively low.

Description

Sewage treatment device

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a sewage treatment device.

Background

In the process of a thermal power plant, water is recycled, and besides being used for energy transmission of a steam-water circulation system, the water is also used for cooling and flushing of a plurality of devices. The sources of the waste water and the sewage of the power plant are different, and the types of the waste water are slightly different, and generally, the waste water of the thermal power plant comprises industrial waste water, ash flushing water, domestic sewage and the like. The industrial wastewater of the power plant is total wastewater discharged from the power plant and comprises industrial cooling water discharge, acid-base regeneration wastewater of a chemical water treatment system, filter backwash wastewater, boiler cleaning wastewater, coal conveying flushing, dust removal wastewater, oily wastewater, cooling tower sewage wastewater and the like.

The traditional treatment mode of power plant industrial waste water is concentrated together different workshop section waste water, then concentrated treatment, and multiple waste water is concentrated together after, the treatment degree of difficulty of sewage can greatly increased, bring serious difficulty for sewage treatment, and for this reason, this application is to carrying out preliminary treatment to the coal-containing waste water that produces in the coal transportation process, firstly carry out the treatment to the coal-containing waste water, the water after the treatment is carried out final treatment in concentrated treatment's cistern again, with the difficulty of reducing different workshop section waste water concentrated treatment, although, at present some equipment has had the ability of handling the coal-containing waste water, but the process mainly is adding the medicament and using agitating unit, make medicament and sewage intensive mixing, and mechanical agitation mixed speed is slower, especially when sewage treatment area is great, need set up many equipment, cost has been increased in the intangible.

Accordingly, there is a need to provide a sewage treatment apparatus that solves the above-mentioned problems.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides a sewage treatment device which can adapt to the treatment of a water area with a larger area and has relatively low manufacturing cost.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

a sewage treatment apparatus comprising: the treatment tank is divided into a first sedimentation area, a second sedimentation area, a flocculation area and a clear water area under the action of the first baffle, the second baffle and the third baffle, a dosing aeration pipe group is arranged in the flocculation area, a medicament box is arranged on one side of the treatment tank, a liquid medicament is filled in the medicament box, a water pump and an air pump are arranged at the top of the medicament box, the same three-way pipe is arranged on the water pump and the air pump, the three-way pipe is connected with the dosing aeration pipe group, and a first electromagnetic valve and a second electromagnetic valve are arranged on the three-way pipe.

Preferably, the dosing aeration tube group comprises a main pipeline connected with a Y-pipe, a plurality of transverse pipelines are arranged on two sides of the main pipeline, a plurality of longitudinal pipelines are arranged at the bottoms of the transverse pipelines, a plurality of spray heads are arranged on the longitudinal pipelines, the arrangement of the transverse pipelines and the longitudinal pipelines can be according to the area arrangement of a flocculation area, each longitudinal pipeline can be responsible for throwing a medicament into the area nearby the longitudinal pipeline, and the spray heads on the longitudinal pipelines can also spray gas.

Preferably, a drainage pump is arranged on one side of the treatment tank, and a water inlet pipe and a water outlet pipe are arranged on the drainage pump.

Preferably, a telescopic corrugated pipe is arranged at the bottom end of the water inlet pipe, and a floating block is arranged on the corrugated pipe.

Preferably, a limiting block is arranged on one side of the floating block, and the limiting block is sleeved on the longitudinal pipeline in a sliding manner.

Preferably, a plurality of sludge discharge pipes are arranged on one side of the treatment tank, and are respectively distributed in the primary sedimentation zone, the secondary sedimentation zone and the flocculation zone and are externally connected with sludge discharge equipment.

Preferably, the whole bottom of the treatment tank is of an inclined plane structure.

Compared with the prior art, the utility model has the following beneficial effects:

(1) The utility model adopts the cooperation of the dosing aeration pipe group, the water pump and the air pump, so that the medicaments can be quickly mixed in the sewage, and compared with the traditional mechanical stirring device, the device can be suitable for the treatment of a water area with a larger area and has relatively low cost;

(2) The dosing aeration pipe group can be used as a dosing pipeline and an aeration pipeline, the dosing aims at condensing impurities in sewage into floccules, and the aeration aims at enabling the medicament and the sewage to be mixed rapidly and fully, so that a better flocculation effect is achieved;

(3) The corrugated pipe is matched with the floating block, so that the lower opening of the corrugated pipe is always positioned at the position 5-10cm below the water surface, water discharged into the clear water zone by the drainage pump is upper water after sewage precipitation in the flocculation zone, the purity of the water entering the clear water zone is ensured, and more flocculated impurities are prevented from entering the clear water zone;

(4) The whole bottom of the treatment tank is of an inclined plane structure, so that sludge can be concentrated to the sludge discharge pipe along the inclined plane, and a better sludge discharge effect is achieved.

Drawings

FIG. 1 is a schematic view of the internal structure of a sewage treatment apparatus according to the present utility model;

FIG. 2 is a schematic diagram of the internal structure of the sewage treatment apparatus according to the present utility model;

FIG. 3 is a schematic diagram of a chemical adding aeration pipe group in the sewage treatment device provided by the utility model;

FIG. 4 is an enlarged view of portion A of FIG. 1;

FIG. 5 is a schematic view of the structure of a bellows in the sewage treatment apparatus according to the present utility model;

fig. 6 is a schematic diagram of a cross-sectional side view of the sewage treatment apparatus according to the present utility model.

Wherein, the names corresponding to the reference numerals are: 1-treatment pool, 2-first partition board, 3-second partition board, 4-third partition board, 5-first-stage sedimentation zone, 6-second-stage sedimentation zone, 7-flocculation zone, 8-flocculation zone, 9-dosing aeration pipe group, 91-main pipeline, 92-horizontal pipeline, 93-longitudinal pipeline, 10-Y-pipe, 11-first electromagnetic valve, 12-second electromagnetic valve, 13-medicine box, 14-water pump, 15-air pump, 16-drainage pump, 17-water inlet pipe, 18-water outlet pipe, 19-corrugated pipe, 20-floating block, 21-mud discharge pipe and 22-inclined plane structure.

Detailed Description

The utility model will be further illustrated by the following description and examples, which include but are not limited to the following examples.

Example 1

As shown in fig. 1 to 6, the sewage treatment apparatus provided by the present utility model comprises: the treatment tank 1, the treatment tank 1 is provided with a first baffle 2, a second baffle 3 and a third baffle 4, the second baffle 3 is the same as the third baffle 4 in height, the first baffle 2 is higher than the second baffle 3 and the third baffle 4 in height, the treatment tank 1 is divided into a first-stage sedimentation zone 5, a second-stage sedimentation zone 6, a flocculation zone 7 and a clear water zone 8 under the action of the first baffle 2, the second baffle 3 and the third baffle 4, waste water generated in the coal conveying process flows into the first-stage sedimentation zone 5 to be sedimented, when the waste water in the first-stage sedimentation zone 5 is higher than the first baffle 2 in height, the waste water can overflow the first baffle 2 and enter the second-stage sedimentation zone 6, the waste water containing coal is sedimented in the first-stage sedimentation zone 5 and the second-stage sedimentation zone 6, when the waste water in the second-stage sedimentation zone 6 is higher than the second baffle 3, the wastewater enters a flocculation zone 7, when the sewage in the flocculation zone 7 reaches a certain height, a proper amount of flocculating agent is added into the flocculation zone 7 to coagulate and precipitate impurities in the sewage in the flocculation zone 7, after the coagulated floccules in the flocculation zone 7 are precipitated, upper water in the flocculation zone 7 is conveyed into a clear water zone 8, a chemical adding aeration pipe group 9 is arranged in the flocculation zone 7, the chemical adding aeration pipe group 9 can be used as a chemical adding pipeline and also can be used as an aeration pipeline, the chemical adding aims at coagulating the impurities in the sewage into floccules, the aeration aims at enabling the chemicals and the sewage to be quickly and fully mixed, thereby achieving better flocculation effect, one side of the treatment tank 1 is provided with a chemical tank 13, the chemical tank 13 is filled with liquid chemicals, and the liquid chemicals can flocculate the impurities in the sewage, the top of the chemical tank 13 is provided with a water pump 14 and an air pump 15, the same three-way pipe 10 is installed on the water pump 14 and the air pump 15, the three-way pipe 10 is connected with the chemical adding aeration pipe group 9, the first electromagnetic valve 11 and the second electromagnetic valve 12 are installed on the three-way pipe 10, after the water pump 14 is started, the first electromagnetic valve 11 is opened, the second electromagnetic valve 12 is closed, at the moment, chemical in the chemical tank 13 is conveyed into the three-way pipe 10 by the water pump 14 and enters the chemical adding aeration pipe group 9, finally, the chemical adding aeration pipe group 9 is combined with sewage, after chemical adding is finished, the chemical adding is not rapidly dispersed and fully mixed with the sewage, at the moment, the water pump 14 and the first electromagnetic valve 11 are immediately closed, and the air pump 15 and the second electromagnetic valve 12 are simultaneously opened, high-pressure gas is provided to the three-way pipe 10, so that the high-pressure gas enters the flocculation area 7 through the chemical adding aeration pipe group 9, the chemical is rapidly dispersed and fully mixed, the flocculation effect is improved, and the chemical adding aeration pipe group 9 and the water pump 14 and the chemical adding aeration pipe group 15 are matched with the traditional device can be processed in a relatively low cost and a large area.

Example 2

As shown in fig. 3, the chemical adding aeration tube group 9 includes a main pipe 91 connected to the furcation pipe 10, a plurality of horizontal pipes 92 are installed at two sides of the main pipe 91, a plurality of vertical pipes 93 are installed at the bottom of the horizontal pipes 92, a plurality of spray nozzles (not shown in the drawing) are provided on the vertical pipes 93, the chemical or gas firstly enters the main pipe 91 through the furcation pipe 10 and then enters the horizontal pipes 92 and the vertical pipes 93, and finally is sprayed out through the spray nozzles, the arrangement of the horizontal pipes 92 and the vertical pipes 93 can be set according to the area of the flocculation area 7, each vertical pipe 93 can be responsible for throwing chemical into the area nearby the flocculation area 7, so that the water area in the whole flocculation area 7 can be quickly mixed with chemical in a short time, and meanwhile, the spray nozzles on the vertical pipes 93 can also spray gas, so that the chemical is more quickly diffused, and the mixing speed of chemical and sewage is further improved.

Example 3

As shown in fig. 1, a drainage pump 16 is arranged at one side of the treatment tank 1, a water inlet pipe 17 and a water outlet pipe 18 are arranged on the drainage pump 16, after impurities in sewage in the flocculation zone 7 flocculate and settle, the drainage pump 16 is started, and at the moment, water in the flocculation zone 7 enters the clear water zone 8 through the water inlet pipe 17 and the water outlet pipe 18.

Further, as shown in fig. 5, the bottom end of the water inlet pipe 17 is provided with a telescopic corrugated pipe 19, the corrugated pipe 19 is provided with a floating block 20, and the floating block 20 can float in the flocculation zone 7 according to the height of the water surface, so that the lower opening of the corrugated pipe 19 is always positioned at the position 5-10cm below the water surface, the water discharged into the clean water zone 8 by the water discharge pump 16 is the upper water after the sewage precipitation of the flocculation zone 7, the purity of the water entering the clean water zone 8 is ensured, and more flocculated impurities are prevented from entering the clean water zone 8.

Further, a limiting block is installed at one side of the floating block 20, the limiting block is slidably sleeved on the vertical pipeline 93, and the floating block 20 can only move up and down along the vertical pipeline under the limit of the vertical pipeline 93.

Example 4

As shown in fig. 2, a plurality of sludge discharge pipes 21 are disposed at one side of the treatment tank 1, and the sludge discharge pipes 21 are respectively distributed in the primary sedimentation zone 5, the secondary sedimentation zone 6 and the flocculation zone 7 and are externally connected with sludge discharge equipment (not shown in the figure), so that when the sludge in the primary sedimentation zone 5, the secondary sedimentation zone 6 and the flocculation zone 7 is more, the sludge can be pumped out through the sludge discharge equipment.

Example 5

As shown in fig. 6, the bottom of the treatment tank 1 is integrally provided with a slope structure 22, i.e. one end close to the sludge discharge pipe 21 is low, so that sludge can be concentrated along the slope to the sludge discharge pipe 21, thereby achieving a better sludge discharge effect.

Working principle:

the wastewater containing coal is firstly fed into the first-stage sedimentation zone 5 for sedimentation, when the height of the wastewater is higher than that of the first partition board 2, the wastewater passes through the first partition board 2 and enters the second-stage sedimentation zone 6 and is sedimented in the second-stage sedimentation zone 6, when the wastewater in the second-stage sedimentation zone 6 passes through the second partition board 3, the wastewater enters the flocculation zone 7, when the wastewater in the flocculation zone 7 reaches a certain height, the first electromagnetic valve 11 is opened, the second electromagnetic valve is closed, the water pump 14 is started, the liquid medicament in the medicament tank 13 is conveyed into the medicament adding aeration tube set 9, and enters the wastewater through a spray nozzle on the medicament adding aeration tube set 9, then the first electromagnetic valve 11 is closed, the second electromagnetic valve is opened, the air pump 15 is started, so that the medicament adding aeration tube set 9 blows air to the wastewater in the flocculation zone 7, the medicament and the wastewater are quickly mixed, and after the wastewater reacts with the medicament for a certain time, the water pump 16 is started, and the upper layer treated in the flocculation zone 7 is conveyed into the clear water zone 8.

The above embodiment is only one of the preferred embodiments of the present utility model, and should not be used to limit the scope of the present utility model, but all the insubstantial modifications or color changes made in the main design concept and spirit of the present utility model are still consistent with the present utility model, and all the technical problems to be solved are included in the scope of the present utility model.

Claims

1. A sewage treatment apparatus, comprising:

the treatment tank (1), be provided with first baffle (2), second baffle (3) and third baffle (4) in treatment tank (1), second baffle (3) with the height of third baffle (4) is the same, the height of first baffle (2) is higher than the height of second baffle (3) and third baffle (4), and under the effect of first baffle (2), second baffle (3) and third baffle (4), treatment tank (1) is cut apart into one-level sedimentation zone (5), second grade sedimentation zone (6), flocculation zone (7) and clear water zone (8), be provided with in flocculation zone (7) and add medicine aeration nest of tubes (9), one side of treatment tank (1) is provided with medical kit (13), be equipped with liquid medicament in medical kit (13) the top of medical kit (13) is provided with water pump (14) and air pump (15) install same fork tube (10) on water pump (14) and air pump (15), three fork tube (10) are connected with solenoid valve (12) on the third solenoid valve (10) and the third solenoid valve (11).

2. A sewage treatment device according to claim 1, wherein the chemical dosing aeration tube group (9) comprises a main pipeline (91), a plurality of transverse pipelines (92) are arranged on two sides of the main pipeline (91), a plurality of longitudinal pipelines (93) are arranged at the bottoms of the transverse pipelines (92), and a plurality of spray heads are arranged on the longitudinal pipelines (93).

3. A sewage treatment device according to claim 1, characterized in that a drain pump (16) is arranged on one side of the treatment tank (1), and that a water inlet pipe (17) and a water outlet pipe (18) are arranged on the drain pump (16).

4. A sewage treatment device according to claim 3, characterized in that the bottom end of the water inlet pipe (17) is provided with a telescopic bellows (19), and the bellows (19) is provided with a floating block (20).

5. A sewage treatment apparatus according to claim 4, wherein a stopper is installed at one side of the float block (20).

6. A sewage treatment device according to claim 1, wherein a plurality of sludge discharge pipes (21) are arranged at one side of the treatment tank (1), and the sludge discharge pipes (21) are respectively distributed in the primary sedimentation zone (5), the secondary sedimentation zone (6) and the flocculation zone (7) and are externally connected with sludge discharge equipment.

7. A sewage treatment plant according to claim 6, characterized in that the bottom of the treatment tank (1) is entirely of a sloping structure (22).