CN209797717U

CN209797717U - Sewage treatment device

Info

Publication number: CN209797717U
Application number: CN201920488499.3U
Authority: CN
Inventors: 曾海防; 廖乃妙; 刘长乐
Original assignee: Xiamen Green Bay Environmental Protection Technology Co Ltd
Current assignee: Xiamen Green Bay Environmental Protection Technology Co Ltd
Priority date: 2019-04-11
Filing date: 2019-04-11
Publication date: 2019-12-17
Anticipated expiration: 2029-04-11

Abstract

The utility model discloses a sewage treatment device, which belongs to the technical field of sewage treatment. Its technical essential is including the three manure pits that connect gradually, equalizing basin, coagulating basin, hydrolysis-acidification pool, contact oxidation pond, sedimentation tank, disinfection pond, middle pond and retrieval and utilization pond, the sedimentation tank includes a plurality of cell bodies that do not communicate each other that are cut off by a plurality of partition walls, the center of cell body is provided with the sewage import with the contact oxidation pond intercommunication, and is a plurality of the cell body is annular around the sewage import and distributes, sewage import department is provided with the shower nozzle the same with cell body quantity, and is a plurality of the one end that sewage import was kept away from to the cell body is enclosed by the enclosure, the partition wall is higher than the enclosure, the guiding gutter with the disinfection pond intercommunication is seted up to the enclosure upper end, the enclosure bottom is provided with the outlet of each cell body of a plurality of intercommunications, the shower nozzle all is provided with the closing assembly with the outlet, the utility model discloses can realize.

Description

Sewage treatment device

Technical Field

The utility model belongs to the technical field of sewage treatment, more specifically say, it relates to a sewage treatment plant.

Background

Sewage is a general term for water discharged in daily life and production, and sewage treatment is a process for purifying sewage to meet the requirement of water quality for discharging into a certain water body or reusing.

The existing sewage treatment process generally comprises the following steps:

(1) Domestic sewage passes through the sewage pipe, flows to the equalizing basin automatically after passing through the three-grid septic tank, and the waste water in the equalizing basin promotes the hydrolysis acidification tank under the effect of the pump. The anaerobic microorganisms are utilized to degrade pollutants in the wastewater, and the biodegradability of the wastewater is improved, so that the subsequent biological treatment is facilitated.

(2) waste water passes through the contact oxidation pond again, utilizes the organic matter in the pond aerobic microorganism further degradation waste water, makes the pollutant in the waste water further reduce, deposits through the sedimentation tank at last, gets rid of the microorganism granule and the suspended particle in the waste water, and waste water flows to the disinfection pond automatically, gets rid of the coliform crowd in the waste water through adding the medicine, flows to middle pond automatically.

(3) the wastewater in the intermediate water tank is filtered by the filtering system under the action of the pump, and then enters the membrane system to further discharge water, so that the reuse standard can be reached. The treatment ensures that pollutants in the wastewater stably reach the standard and are discharged.

(4) the sediment in the sedimentation tank is settled to the bottom of the tank under the action of gravity, and the sludge in the sedimentation tank is entrusted to be cleaned regularly by qualified units.

However, in the above sewage treatment process, the sedimentation tank generally has only one tank body, and when the tank body needs to be cleaned, water inflow must be stopped, and the sewage treatment work cannot be continued until sludge is cleaned, which causes great inconvenience.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sewage treatment device, it has the advantage that can realize the limit and decontaminate the limit and deposit sewage.

In order to achieve the above purpose, the utility model provides a following technical scheme:

The utility model provides a sewage treatment device, includes three manure pits of the grid that connect gradually, equalizing basin, thoughtlessly congeal pond, hydrolysis-acidification pool, contact oxidation pond, sedimentation tank, disinfection pond, middle pond and retrieval and utilization pond, the sedimentation tank includes a plurality of cell bodies that do not communicate by a plurality of partition walls wall each other, the center of cell body is provided with the sewage import pipe that communicates with the contact oxidation pond, and is a plurality of the cell body is the annular around sewage import pipe and distributes, the exit of sewage import pipe is provided with and is used for the shower nozzle to corresponding cell body discharge sewage the same with cell body quantity, and is a plurality of the one end that sewage enclosure was kept away from to the cell body is enclosed by the enclosure, the guiding gutter with disinfection pond intercommunication is seted up to the enclosure upper end, the bottom is provided with the outlet of a plurality of each cell bodies of intercommunication, the.

By adopting the technical scheme, when sewage is treated, the sewage treated in the preorder step enters the sedimentation tank through the sewage inlet pipe, the sewage firstly enters each tank body through the spray head, then the sewage is subjected to gravity sedimentation in the tank bodies, and when the water level rises to the height of the enclosing wall, the sewage after sedimentation at the upper ends of the tank bodies does not exit the enclosing wall and enters the diversion trench and continuously flows to the disinfection tank; when a certain pool body stores up the excessive sludge and needs to be cleaned, the corresponding spray head is closed through the closing assembly, the corresponding water outlet is opened simultaneously, the residual water in the corresponding pool body flows out through the water outlet, and then the sludge cleaning work can be carried out. From this, will subside the pond through the partition wall and separate into a plurality of ponds, then through shower nozzle and the internal water yield of each pond of outlet independent control, can realize the limit and clear up dirty while deposiing sewage, and conveniently clear up silt.

furthermore, a sewage collecting hopper is arranged at the bottom of the tank body, and a drain hole communicated with the drain outlet is formed in the side wall of the sewage collecting hopper.

Through adopting above-mentioned technical scheme, the setting of dirty fill of collection can conveniently collect the silt of sewage sedimentation in-process in fighting, conveniently concentrates and clears up.

Further, the top of sedimentation tank is provided with the mount table, be provided with a plurality of lifting cylinders that are used for promoting dirty fill of collection on the mount table.

Through adopting above-mentioned technical scheme, when clearing up silt, the control cylinder will correspond the dirty fill lifting of collection in the pond, makes the cleanup crew can directly clear up silt in the upper end of sedimentation tank, the clearance of the dirty fill of convenient collection.

Furthermore, a filter screen is arranged at the position of the water drainage hole.

Through adopting above-mentioned technical scheme, the setting of filter screen can intercept the silt in the dirt collection fill, prevents that silt from getting into wash port or the interior jam that causes of drain port along with sewage.

Further, the bottom of cell body is provided with the inclined plane, just sewage import pipe is kept away from to the inclined plane one end is less than its one end that is close sewage import pipe.

Through adopting above-mentioned technical scheme, the setting on inclined plane can concentrate silt to the bottom on inclined plane along the inclined plane, and the convenience is unified the clearance to silt.

furthermore, the closing assembly comprises first electromagnetic valves arranged on the plurality of spray heads and second electromagnetic valves arranged at the outlet end of the water outlet.

Through adopting above-mentioned technical scheme, first solenoid valve and second solenoid valve all control through the circuit is unified, can make the work of decontaminating more convenient controllable according to the condition control shower nozzle of difference and the state of opening and close of outlet from this.

Furthermore, the outer wall of the sedimentation tank is provided with a drain pipe communicated with the drainage port of each tank body, and the second electromagnetic valve is arranged at the outlet of the drain pipe.

Through adopting above-mentioned technical scheme, the setting of drain pipe can conveniently pass through the drain pipe discharge with remaining sewage in the cell body when clearing up single cell body, and the second solenoid valve passes through circuit control, can make opening and close of drain pipe convenient controllable more.

Furthermore, the water outlet is connected with a circulating tank communicated with the sewage inlet pipe, and a circulating pump is arranged between the circulating tank and the sewage inlet pipe.

Through adopting above-mentioned technical scheme, the setting of circulation tank and circulating pump can make the sewage that keeps in the work of decontaminating get into the sedimentation tank once more and subside, promotes holistic effect of subsiding.

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

(1) The sedimentation tank is divided into a plurality of tank bodies by partition walls, and then the water amount in each tank body is independently controlled by a spray head and a water outlet, so that sewage can be settled while cleaning;

(2) By arranging the sewage collecting hopper, sludge in the sewage sedimentation process can be conveniently collected in the hopper, and the sewage can be conveniently and intensively cleaned;

(3) Through setting up the inclined plane, can concentrate silt to the bottom on inclined plane along the inclined plane, the convenience is unified the clearance to silt.

Drawings

FIG. 1 is a schematic process flow diagram of the present embodiment;

FIG. 2 is a schematic view of the overall structure of the present embodiment;

FIG. 3 is a schematic cross-sectional view of the present embodiment;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is an enlarged view of portion B of FIG. 3;

FIG. 6 is a schematic cross-sectional view of the sewage collecting hopper of this embodiment.

Reference numerals: 1. a sedimentation tank; 2. a tank body; 3. closing the assembly; 4. a sewage collecting hopper; 5. an installation table; 6. a circulation tank; 7. a circulation pump; 11. a sewage inlet pipe; 12. a partition wall; 13. a spray head; 14. a wall; 15. a drain pipe; 21. an inclined surface; 31. a first solenoid valve; 32. a second solenoid valve; 41. a drain hole; 42. filtering with a screen; 43. a first fixing plate; 44. a second fixing plate; 45. a space of abdicating; 51. a support pillar; 52. a lifting cylinder; 141. a diversion trench; 142. and a water outlet.

Detailed Description

the present invention will be described in detail with reference to the accompanying drawings and examples.

A sewage treatment device is shown in figure 1 and comprises a three-grid septic tank, an adjusting tank, a coagulation tank, a hydrolysis acidification tank, a contact oxidation tank, a sedimentation tank 1, a disinfection tank, an intermediate water tank and a reuse water tank which are connected in sequence.

As shown in figure 2 of the drawings, in which, 3 shown, sedimentation tank 1 includes a plurality of cell bodies 2 that do not communicate each other that are cut off by a plurality of partition walls 12, sewage import pipe 11 with the contact oxidation pond intercommunication is installed at the center of cell body 2, specifically, combine figure 4, a plurality of cell bodies 2 are the annular around sewage import pipe 11 and distribute, the shower nozzle 13 that is the same with cell body 2 quantity and the corresponding cell body 2 of orientation discharges sewage is installed in the exit of sewage import pipe 11, one side that sewage import pipe 11 was kept away from to a plurality of cell bodies 2 is enclosed by annular enclosure 14, enclosure 14's upper end is seted up and is the annular guiding gutter 141 with the disinfection pond intercommunication, the wall that guiding gutter 141 is close to cell body 2 one side is less than its wall body of keeping away from cell body 2 one side, a plurality of outfalls 142 that communicate each cell body 2 respectively are seted up to enclosure 14's bottom, shower nozzle 13 all installs closing assembly 3 with the exit of outf.

as shown in fig. 2 and 4, the closing assembly 3 includes a first solenoid valve 31 installed at an outlet of the head 13 and a second solenoid valve 32 installed at an outlet end of the drain 142. The first electromagnetic valve 31 and the second electromagnetic valve 32 are controlled by the circuit in a unified way, so that the opening and closing states of the spray head 13 and the water outlet 142 can be controlled according to different conditions, and the cleaning work is more convenient and controllable.

as shown in fig. 2, the outer wall of the sedimentation tank 1 is fixed with a drain pipe 15 communicating with the drain port 142 of each tank body 2, the second electromagnetic valve 32 is installed at the outlet of the drain pipe 15, the residual sewage in the tank body 2 can be conveniently discharged through the drain pipe 15 when a single tank body 2 is cleaned through the drain pipe 15, and the second electromagnetic valve 32 is controlled by a circuit, so that the opening and closing of the drain pipe 15 can be more convenient and controllable.

As shown in fig. 2, the water outlet 142 is connected with a circulating tank 6 communicated with the sewage inlet, a circulating pump 7 is installed between the circulating tank 6 and the sewage inlet, and the sewage temporarily stored in the sewage disposal work can enter the sedimentation tank 1 again for sedimentation through the circulating tank 6 and the circulating pump 7, so that the overall sedimentation effect is improved.

As shown in fig. 3, dirty fill 4 of collection has been placed to the bottom of cell body 2, and the outer wall that the dirty fill 4 of collection is laminated with the inner wall of cell body 2, and its lateral wall sets up the wash port 41 that communicates outlet 142, can conveniently collect the silt of sewage sedimentation in-process in dirty fill 4 of collection through dirty fill 4 of collection, conveniently concentrates and clears up.

As shown in fig. 3, a circular mounting table 5 is fixed on the top of the sedimentation tank 1, a support column 51 is fixed between the mounting table 5 and the partition wall 12, and with reference to fig. 6, the upper end of the dirt collecting hopper 4 extends along two sides of the tank body 2 at a certain distance and is a lift column 21274, a first fixing plate 43 and a second fixing plate 44 are shaped, two lifting cylinders 52 with output shafts fixedly connected with the first fixing plate 43 and one lifting cylinder 52 with output shafts fixedly connected with the second fixing plate 44 are installed on the upper end surface of the mounting table 5, and an abdicating space 45 for the spray head 13 to pass through is opened on one side of the dirt collecting hopper 4 close to the sewage 11. When clearing up silt, control cylinder will correspond the dirty 4 lifts of fighting of collection in the cell body 2, makes the cleanup crew can directly clear up silt in the upper end of sedimentation tank 1, makes things convenient for the dirty clearance of fighting 4 of collection.

As shown in fig. 3, the inclined plane 21 is opened at the bottom of the tank body 2, and the one end of the inclined plane 21 far away from the sewage inlet pipe 11 is lower than the one end close to the sewage inlet pipe 11, so that sludge can be concentrated to the bottom of the inclined plane 21 along the inclined plane 21 through the inclined plane 21, and the sludge can be conveniently cleaned in a unified manner.

As shown in fig. 5, a strainer 42 is installed at an inlet of the drain hole 41, and the sludge in the dirt collection hopper 4 can be intercepted by the strainer 42, so that the sludge is prevented from being blocked by the sewage entering the drain hole 41 or the drain port 142.

The utility model discloses a working process and beneficial effect as follows: when sewage treatment is carried out, the sewage treated in the previous step enters the sedimentation tank 1 through a sewage inlet, the sewage firstly enters each tank body 2 through the spray nozzle 13, then gravity sedimentation is carried out in the tank bodies 2, and when the water level rises to the height of the enclosing wall 14, the sewage after sedimentation at the upper end of the tank body 2 flows out of the enclosing wall 14 and enters the diversion trench 141 and continues to flow to the disinfection tank; when excessive sludge is accumulated in a certain tank body 2 and needs to be cleaned, the corresponding spray head 13 is closed through the first electromagnetic valve 31, and the outlet of the drain pipe 15 is opened through the second electromagnetic valve 32, so that residual water in the corresponding tank body 2 flows out through the drain port 142, and then the sludge cleaning work can be carried out.

In conclusion, the sedimentation tank is divided into a plurality of tank bodies 2 by the partition wall 12, and then the water amount in each tank body 2 is independently controlled by the spray head 13 and the water outlet 142, so that sewage can be settled while being cleaned.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A sewage treatment device is characterized by comprising a three-grid septic tank, an adjusting tank, a coagulation tank, a hydrolysis acidification tank, a contact oxidation tank, a sedimentation tank (1), a disinfection tank, an intermediate water tank and a reuse water tank which are sequentially connected, wherein the sedimentation tank (1) comprises a plurality of non-communicated tank bodies (2) separated by a plurality of partition walls (12), a sewage inlet pipe (11) communicated with the contact oxidation tank is arranged at the center of each tank body (2), the tank bodies (2) are annularly distributed around the sewage inlet pipe (11), nozzles (13) which are the same as the tank bodies (2) in number and used for discharging sewage to the corresponding tank bodies (2) are arranged at the outlet of the sewage inlet pipe (11), one ends, far away from the sewage inlet pipe (11), of the tank bodies (2) are enclosed by a surrounding wall (14), a diversion trench (141) communicated with the disinfection tank is formed in the upper end of the surrounding wall (14), the bottom of the enclosing wall (14) is provided with a plurality of water outlets (142) communicated with the tank bodies (2), and the spray head (13) and the water outlets (142) are both provided with closing components (3).

2. The sewage treatment device according to claim 1, wherein a sewage collecting hopper (4) is arranged at the bottom of the tank body (2), and a drain hole (41) communicated with the drain outlet (142) is formed in the side wall of the sewage collecting hopper (4).

3. A sewage treatment plant according to claim 2, characterized in that the top of said sedimentation tank (1) is provided with a mounting table (5), said mounting table (5) being provided with a plurality of lifting cylinders (52) for lifting the dirt collecting hopper (4).

4. A sewage treatment plant according to claim 2, characterised in that a sieve (42) is arranged at the drain hole (41).

5. a sewage treatment plant according to claim 1, characterized in that the bottom of the tank body (2) is provided with an inclined surface (21), and the end of the inclined surface (21) far away from the sewage inlet pipe (11) is lower than the end of the inclined surface close to the sewage inlet pipe (11).

6. Sewage treatment plant according to claim 1, characterised in that said shut-off assembly (3) comprises a first solenoid valve (31) arranged on a number of said nozzles (13) and a second solenoid valve (32) arranged at the outlet end of the drain (142).

7. A sewage treatment plant according to claim 6, characterized in that the outer wall of the sedimentation tank (1) is provided with a drain pipe (15) communicating with the drain outlet (142) of each tank body (2), and the electromagnetic valve is arranged at the outlet of the drain pipe (15).

8. a sewage treatment plant according to claim 1, characterised in that the drain outlet (142) is connected to a circulation tank (6) communicating with the sewage inlet pipe (11), and that a circulation pump (7) is arranged between the circulation tank (6) and the sewage inlet pipe (11).