CN205313214U

CN205313214U - Field town sewage treatment system that construction cost is low

Info

Publication number: CN205313214U
Application number: CN201520994205.6U
Authority: CN
Inventors: 甘华
Original assignee: CHONGQING GANTAI ENVIRONMENTAL PROTECTION EQUIPMENT Co Ltd
Current assignee: CHONGQING GANTAI ENVIRONMENTAL PROTECTION EQUIPMENT Co Ltd
Priority date: 2015-12-03
Filing date: 2015-12-03
Publication date: 2016-06-15
Anticipated expiration: 2025-12-03

Abstract

The utility model discloses a field town sewage treatment system that construction cost is low, the delivery port in grid pond and the water inlet of equalizing basin link to each other, and water in the equalizing basin is through pump exhausting to the water inlet of sand filter that draws water, liquid in the sand filter from the lower part liquid outlet sand filter distribution reservoir of discharging, delivery port and a plurality of artifical rapid infiltration layer ponds of sand filter distribution reservoir meet, play log raft to the retrieval and utilization pond in artifical rapid infiltration layer pond, set up the level gauge in the equalizing basin, setting valve on the outlet pipe of suction pump, the suction pump is connected to the pump control end of taking out of controller, and valve control end connection valves is through the work of level gauge control suction pump. It is continuous with the back flush inlet channel of sand filter that the pipeline is passed through in the retrieval and utilization pond, and the back washing water outlet pipeline of sand filter is connected to the backwash sedimentation tank, and state the mud of backwash sedimentation tank and the mud of equalizing basin and get into sludge drying, convenient to use, the construction cost is low.

Description

Construction cost Di Chang town domestic sewage processing system

Technical field

This utility model relates to a kind of sewage disposal system, particularly relates to a kind of construction cost Di Chang town domestic sewage processing system.

Background technology

Enhancing along with people's environmental consciousness, sewage disposal has become as the Important Problems that national governments pay close attention to, China's sewage source mainly has three, and the sewage produced in residents from villages and towns district dispersant type domestic wastewater, the centralized sanitary sewage in urban life district and industrial processes. Utilizing that sewage carries out in sandy soil purification is traditional wastewater processing method, existing this sewage water treatment method there are disadvantages that, the removal ability of TN and TP is relatively low, in addition it is also necessary to places the biochemical treatment tanks such as some denitrification ponds.

Utility model content

In order to solve above-mentioned technical problem, this utility model provides another kind of construction cost Di Chang town domestic sewage processing system, is suitable for small towns sanitary sewage disposal.

To achieve these goals, the technical solution of the utility model is as follows: a kind of construction cost Di Chang town domestic sewage processing system, it is characterised in that: include grid pond, regulating reservoir, sand filter, sand filter distribution reservoir, manpower rapid-infiltration pond and reuse pool; Sanitary sewage enters described grid pond, the described outlet in grid pond is connected with the water inlet of regulating reservoir, water in described regulating reservoir is extracted into the water inlet of sand filter by suction pump, liquid in described sand filter is discharged to sand filter distribution reservoir from bottom liquid outlet, the outlet of described sand filter distribution reservoir connects with multiple manpower rapid-infiltration ponds, and the water outlet in described manpower rapid-infiltration pond drains into reuse pool;

In described regulating reservoir, liquidometer is set, the outlet pipe of described suction pump arranges valve, the suction pump of controller controls end and connects suction pump, Valve controlling end connecting valve, and the water level signal in regulating reservoir is passed to controller by described liquidometer, when water level exceedes appointment water level, controller controls valve and opens, and controls suction pump work simultaneously, when water level is lower than when specifying water level, described controller controls valve and suction pump cuts out

Described reuse pool is connected with the backwash inlet channel of sand filter by pipeline, and the backwash outlet pipe of described sand filter is connected to backwash sedimentation tank, and the mud of the mud and regulating reservoir of stating backwash sedimentation tank enters sludge drying pond,

Described sludge drying pond includes sludge drying pond body, described sludge drying pond body is divided into two chambers in left and right by this internal longitudinal baffle that arranges of described sludge drying pond, about this, the top of two chambers is respectively equipped with mud import, the mud import of left and right chamber is connected with the sludge pump in backwash sedimentation tank and regulating reservoir respectively, the bottom of described left and right chamber distinguishes horizontally set permeable geotechnique's layer of cloth from top to bottom, gravel layer and double-edged fine-toothed comb, described double-edged fine-toothed comb is formed by the arrangement of some bars longitudes and latitudes, its aperture is less than 3mm, distance is had between the base plate of described double-edged fine-toothed comb and sludge drying pond body, the lower end of the left and right chamber of described sludge drying pond body is respectively equipped with discharge outlet, this discharge outlet is positioned at the lower section of double-edged fine-toothed comb, this discharge outlet is connected with regulating reservoir by pipeline.

In such scheme, grid pond is mainly used in the preliminary removal after sewage network accesses sewage treatment plant to foreign material thick in water. The regulating reservoir practical situation according to the sewage water yield, it is ensured that the normal table of sewage treatment plant's production facility runs, plays the effect of precipitation and homogeneous even amount. Sand filter major function is to remove micro-impurities further, it is ensured that ooze the properly functioning of pond soon, and the major function of sand filter distribution reservoir is to realize the uniform water distribution in manpower rapid-infiltration pond. Reuse pool is mainly used in backwash water, also serves as sterilization pool simultaneously and uses.

Mud enters the nature mummification of sludge drying pond, and the mud outward transport after mummification is disposed.

Sludge drying pond is divided into two chambers, and the mud at two places is separated mummification, in order to follow-up better separately utilization. Natural mummification on permeable geotechnique's layer of cloth, filtrate sequentially passes through gravel and double-edged fine-toothed comb, is stopped by slag therein, and filtrate returns the regulating reservoir of manual controlled infusion, and sludge drying is effective, simple in construction, and cost is low.

Sewage disposal system of the present utility model, influent quality is as follows:

Project	COD(mg/L)	BOD5(mg/L)	SS(mg/L)	TN(mg/L)	NH3-N(mg/L)	TP(mg/L)
							Water quality	350	150	230	35	25	4.0

Effluent quality is:

Project

COD(mg/L)

BOD5(mg/L)

SS(mg/L)

TN(mg/L)

NH3-N(mg/L)

TP(mg/L)

Water quality

≤60

≤20

≤8

≤1

The contrast of above-mentioned two table, it can be seen that this system structure is simple, is arranged easily, high treating effect.

Closedown by water-level gauge auto-controlled water-pumping pump, it is achieved intellectualized operation, when night, sanitary sewage was few, suction pump will be automatically stopped, and need not need artificial closedown again, time saving and energy saving.

In such scheme: described double-edged fine-toothed comb is made up of batten or bamboo cane. Cost is low.

In such scheme: arrange drain pipe in described discharge outlet, this drain pipe is layered on the base plate of sludge drying pond body, and this drain pipe arranges inlet opening.

Beneficial effect: this utility model simple in construction, arrange that easily floor space is little, and construction cost is low, operating cost is low, high treating effect, by the closedown of water-level gauge auto-controlled water-pumping pump, it is achieved intellectualized operation, when night, sanitary sewage was few, suction pump will be automatically stopped, and need not need artificial closedown again, time saving and energy saving.

Accompanying drawing explanation

Fig. 1 is flow chart of the present utility model.

Fig. 2 is the partial enlarged drawing at A place in Fig. 1.

Fig. 3 is the partial enlarged drawing at B place in Fig. 1.

Fig. 4 control flow chart.

Fig. 5 is the structural representation in sludge drying pond.

Fig. 6 is the structural representation of double-edged fine-toothed comb.

Fig. 7 is the sectional view of manpower rapid-infiltration pond CRI-1 type packing layer, CRI-2 type packing layer and manpower rapid-infiltration gravel padding layer.

Detailed description of the invention

Below in conjunction with drawings and Examples, the utility model is described in further detail:

This utility model all around waits the relative position in the noun of locality only representative graph, does not indicate that the absolute position of product.

Embodiment 1, as shown in figures 1 to 6: construction cost Di Chang town of the present utility model domestic sewage processing system is made up of parts such as grid pond 1, regulating reservoir 2, sand filter 3, sand filter distribution reservoir 4, manpower rapid-infiltration pond 5, reuse pool 6, backwash sedimentation tank 7, sludge drying pond 8, awning 9, controller 10, valve 11, suction pump 12, liquidometers 13.

Field town sanitary sewage enters grid pond 1 through pipe network, the outlet in grid pond 1 is connected with the water inlet of regulating reservoir 2, the water outlet of regulating reservoir 2 is extracted into the water inlet of sand filter 3 by suction pump 12, the outlet pipe of suction pump 12 arranges valve 11, liquid in sand filter 3 is discharged to sand filter distribution reservoir 4 from bottom liquid outlet, the outlet of sand filter distribution reservoir 4 connects with multiple manpower rapid-infiltration ponds 5, selects four here.The water outlet in manpower rapid-infiltration pond 5 drains into reuse pool 6. Reuse pool 6 is connected with the backwash inlet channel 3a of sand filter 3 by pipeline, and the backwash outlet pipe 3b of sand filter 3 is connected to backwash sedimentation tank 7. The mud of backwash sedimentation tank 7 and the mud of regulating reservoir 2 enter sludge drying pond 8.

Liquidometer 13 is set in regulating reservoir 2, the suction pump of controller 10 controls end and connects suction pump 12, Valve controlling end connecting valve 11, water level signal in regulating reservoir 2 is passed to controller 10 by liquidometer 13, when water level exceedes appointment water level, controller 10 controls valve 11 and opens, and controls suction pump 12 simultaneously and works, when water level is lower than when specifying water level, controller 10 controls valve 11 and suction pump 12 cuts out. This control program is prior art, does not repeat at this.

Sludge drying pond 8 includes sludge drying pond body 81, longitudinal baffle 82 is set in sludge drying pond body 81 sludge drying pond body 81 is divided into two chambers in left and right, about this, the top of two chambers is respectively equipped with mud import 83, the mud import 83 of left and right chamber is connected with the sludge pump in the sludge pump of backwash sedimentation tank 7 and regulating reservoir 2 respectively, the bottom of left and right chamber distinguishes horizontally set permeable geotechnique's layer of cloth 84 from top to bottom, gravel layer 85 and double-edged fine-toothed comb 86, double-edged fine-toothed comb 86 is formed by the arrangement of some bars longitudes and latitudes, its aperture is less than 3mm, preferred double-edged fine-toothed comb 86 is made up of batten or bamboo cane. having distance between the base plate of double-edged fine-toothed comb 86 and sludge drying pond body 81, the lower end of the left and right chamber of sludge drying pond body 81 is respectively equipped with discharge outlet, and discharge outlet is connected by pipeline with regulating reservoir 2, and filtrate returns in regulating reservoir 2 and processes. this discharge outlet is positioned at the lower section of double-edged fine-toothed comb 86. arranging drain pipe 87 in preferred discharge outlet, this drain pipe 87 is layered on the base plate of sludge drying pond body 81, and this drain pipe 87 arranges inlet opening. sludge drying pond body 81 is arranged over awning 9.

Wherein the middle part of sand filter 3 is provided with quartz sand filler layer 3c, and quartz sand filler layer 3c is arranged below gravel blanket 3d, and the water inlet of sand filter is positioned at the top of quartz sand filler 3c, and its outlet is positioned at the lower section of gravel blanket 3d;

CRI-1 type packing layer 5a, CRI-2 type packing layer 5b and manpower rapid-infiltration gravel padding layer 5c it is sequentially filled from top to bottom in manpower rapid-infiltration pond 5, the water inlet in manpower rapid-infiltration pond 5 is positioned at above CRI-1 type packing layer 5a, and its outlet is positioned at below manpower rapid-infiltration gravel padding layer 5c.

This utility model is not limited to above-mentioned specific embodiment, it will be appreciated that those of ordinary skill in the art just can make many modifications and variations according to design of the present utility model without creative work. In a word, all technical staff in the art pass through the available technical scheme of logical analysis, reasoning, or a limited experiment on the basis of existing technology according to design of the present utility model, all should in the protection domain being defined in the patent claims.

Claims

1. a construction cost Di Chang town domestic sewage processing system, it is characterised in that: include grid pond (1), regulating reservoir (2), sand filter (3), sand filter distribution reservoir (4), manpower rapid-infiltration pond (5) and reuse pool (6); Sanitary sewage enters described grid pond (1), the outlet of described grid pond (1) is connected with the water inlet of regulating reservoir (2), water in described regulating reservoir (2) is extracted into the water inlet of sand filter (3) by suction pump (12), liquid in described sand filter (3) is discharged to sand filter distribution reservoir (4) from bottom liquid outlet, the outlet of described sand filter distribution reservoir (4) connects with multiple manpower rapid-infiltration ponds (5), and the water outlet of described manpower rapid-infiltration pond (5) drains into reuse pool (6);

Liquidometer (13) is set in described regulating reservoir (2), the outlet pipe of described suction pump (12) arranges valve (11), the suction pump of controller (10) controls end and connects suction pump (12), Valve controlling end connecting valve (11), water level signal in regulating reservoir (2) is passed to controller (10) by described liquidometer (13), when water level exceedes appointment water level, controller (10) controls valve (11) and opens, control suction pump (12) work simultaneously, when water level is lower than when specifying water level, described controller (10) controls valve (11) and suction pump (12) cuts out,

Described reuse pool (6) is connected with the backwash inlet channel (3a) of sand filter (3) by pipeline, the backwash outlet pipe of described sand filter (3) is connected to backwash sedimentation tank (7), the mud of the mud and regulating reservoir (2) of stating backwash sedimentation tank (7) enters sludge drying pond (8)

Described sludge drying pond (8) includes sludge drying pond body (81), longitudinal baffle (82) is set in described sludge drying pond body (81) described sludge drying pond body (81) is divided into two chambers in left and right, about this, the top of two chambers is respectively equipped with mud import (83), the mud import (83) of left and right chamber is connected with the sludge pump in backwash sedimentation tank (7) and regulating reservoir (2) respectively, the bottom of described left and right chamber distinguishes horizontally set permeable geotechnique's layer of cloth (84) from top to bottom, gravel layer (85) and double-edged fine-toothed comb (86), described double-edged fine-toothed comb (86) is formed by the arrangement of some bars longitudes and latitudes, its aperture is less than 3mm, distance is had between the base plate in described double-edged fine-toothed comb (86) and sludge drying pond body (81), the lower end of the left and right chamber of described sludge drying pond body (81) is respectively equipped with discharge outlet, this discharge outlet is positioned at the lower section of double-edged fine-toothed comb (86), this discharge outlet is connected with regulating reservoir (2) by pipeline.

2. construction cost Di Chang town domestic sewage processing system according to claim 1, it is characterised in that: described double-edged fine-toothed comb (86) is made up of batten or bamboo cane.

3. construction cost Di Chang town domestic sewage processing system according to claim 1, it is characterized in that: described discharge outlet arranges drain pipe (87), this drain pipe (87) is layered on the base plate in sludge drying pond body (81), and this drain pipe arranges inlet opening on (87).