CN210595696U

CN210595696U - Rural domestic sewage integration treatment facility of sectional type haydite fixed bed

Info

Publication number: CN210595696U
Application number: CN201921329354.5U
Authority: CN
Inventors: 李天鹏; 孙婷婷
Original assignee: Zaozhuang University
Current assignee: Zaozhuang University
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-05-22
Anticipated expiration: 2029-08-16

Abstract

A rural domestic sewage integrated treatment device with a sectional ceramsite fixed bed comprises an aeration sedimentation tank, a regulating tank, a lift pump, a sectional fixed bed, a sedimentation tank and a disinfection tank which are connected in sequence, the aeration sedimentation tank is connected with farmers through a water collecting pipe, a thick grating is arranged on the water collecting pipe, a submersible aerator is arranged in the aeration sedimentation tank, the aeration sedimentation tank is communicated with the adjusting tank through a pipeline, a fine grid is arranged on the pipeline, the utility model discloses a rural domestic sewage treatment device, including equalizing basin, sedimentation tank, disinfection pond, lift pump, sectional type fixed bed, the drainage pipe connection is passed through to sectional type fixed bed and sedimentation tank, and sedimentation tank and disinfection pond pass through the drainage pipe connection, and the disinfection pond is equipped with the overflow weir, and this application equipment structure is succinct, and the working costs is cheap, need not to lay long distance drainage pipe in succession, and it is strong to resist water quality water yield impact load capacity, is one kind and has the small-size distributed rural.

Description

Rural domestic sewage integration treatment facility of sectional type haydite fixed bed

Technical Field

The invention relates to the field of rural sewage treatment and resource utilization, in particular to rural domestic sewage integrated treatment equipment with a sectional ceramsite fixed bed.

Background

With the accelerated promotion of the village pleasure strategy in China, the increasing domestic sewage discharge in rural areas comes along with the backward sewage treatment capacityThe contradiction is gradually highlighted. The rural domestic sewage mainly comprises kitchen sewage, domestic washing sewage, washing and bathing sewage, toilet sewage and other mixed sewage. Generally speaking, BOD of rural domestic sewage₅≤ 250 mg/L，COD_CrThe pH value is less than or equal to 500 mg/L, the pH value is 6-8, the SS is less than or equal to 500 mg/L, and the fertilizer contains a certain amount of nitrogen and phosphorus, has good biodegradability and basically does not contain heavy metals and toxic and harmful substances. It is worth noting that the current rural domestic sewage treatment rate is less than 10%, wherein a considerable part of sewage directly enters the water body along with surface runoff, and serious pollution is inevitably caused to the ecological environment.

At present, the rural domestic sewage treatment technology in China mainly comprises an efficient algae pond treatment technology, anaerobic-anoxic-aerobic (A)²O) process, a horizontal flow type/subsurface flow type constructed wetland treatment system and the like. Because rural domestic sewage treatment generally has the problems of wide area, large quantity, difficult collection, incomplete infrastructure construction, low effective treatment rate, shortage of professional technologies and professional managers and the like, in actual application, the treatment technology has certain limitation when used alone, often cannot obtain ideal treatment effect, and is often used in combination with other technologies. Therefore, by combining the practical situation of China, the development of small-sized distributed rural domestic sewage integrated treatment equipment which is low in investment, low in energy consumption, good in treatment effect, small in occupied area and easy to manage and maintain is very important and urgent.

Disclosure of Invention

The invention aims to solve the technical problem of providing sectional ceramsite fixed bed rural domestic sewage integrated treatment equipment with low energy consumption and good treatment effect.

The technical scheme of the invention is as follows:

the utility model provides a rural domestic sewage integration treatment facility of sectional type haydite fixed bed, is including the aeration sedimentation tank, equalizing basin, elevator pump, sectional type fixed bed, sedimentation tank and the disinfection pond that connect gradually, the aeration sedimentation tank passes through the collector pipe and is connected with the peasant household, is equipped with thick grid on the collector pipe, be equipped with dive aeration machine in the aeration sedimentation tank, through the pipeline intercommunication between aeration sedimentation tank and the equalizing basin, be equipped with thin grid on the pipeline, be connected through the elevator pump between equalizing basin and the sectional type fixed bed, sectional type fixed bed and sedimentation tank pass through water piping connection, and sedimentation tank and disinfection pond pass through water piping connection, and the disinfection pond is equipped with the overflow weir.

Furthermore, the sectional type fixed bed comprises two polytetrafluoroethylene glass columns, a layer of movable glass wool is paved at the top of the column body, a layer of fixed glass wool is paved at the bottom of the column body, a water inlet is formed in the bottom of the column body, a material inlet/discharge hole is formed in the top of the column body, a water outlet is formed in the upper portion of the ceramsite packing layer, and the two groups of packing adsorption columns are connected through a silicone tube.

Furthermore, the particle size of the ceramsite filler is 1.0 mm, and the ceramsite filler is prepared by firing dewatered sludge, fly ash and river sludge at high temperature.

Furthermore, the top parts of the aeration sedimentation tank, the adjusting tank, the sedimentation tank and the disinfection tank are respectively provided with a movable cover plate, the cover plates are made of glass fiber reinforced plastic materials, and the cover plates are provided with ventilation valves.

Furthermore, collector pipe and drain pipe are the PVC pipe, the collector pipe internal diameter is 20.0 cm, the drain pipe internal diameter is 10.0 cm.

Furthermore, a flowmeter is arranged on the lift pump, and the flowmeter is a glass rotameter.

Furthermore, sundries such as solid suspended matters intercepted by the coarse grating and the fine grating are regularly cleared by a municipal sanitation garbage truck.

Further, the sludge at the bottom of the aeration sedimentation tank and the sedimentation tank is regularly cleaned and transported by a municipal fecal suction truck.

The beneficial effect of this application does:

(1) the process adopts full-automatic control, has simple flow, low operating cost, good treatment effect and easy operation and maintenance;

(2) the system does not need to continuously lay long-distance drainage pipelines and has strong water quality and water quantity impact resistance and load capacity;

(3) the size of the device can be flexibly adjusted according to the water inlet amount of sewage;

(4) the treatment equipment is manufactured integrally and is convenient to install.

Drawings

FIG. 1 is a schematic structural diagram of the rural domestic sewage integrated treatment equipment with a sectional ceramsite fixed bed.

FIG. 2 is a process flow diagram of the rural domestic sewage integrated treatment system with a sectional ceramsite fixed bed.

The labels in the figure are: 1. peasant household, 2, a water collecting pipe, 3, a coarse grid, 4, an aeration sedimentation tank, 5, a submersible aerator, 6, a fine grid, 7, an adjusting tank, 8, a lifting pump, 9, a flowmeter, 10, a uniform water distribution area, 11, fixed glass wool, 12, a ceramsite packing layer, 13, movable glass wool, 14, a material inlet/outlet, 15, a cover plate, 16, a sedimentation tank, 17, a ventilation valve and 18 a disinfection tank.

Detailed Description

The present application is further described with reference to the following description and detailed description of the preferred embodiments.

The following detailed description will be made with reference to the accompanying drawings for the specific embodiments, features and effects of the sectional-type ceramsite fixed bed rural domestic sewage integrated treatment equipment provided by the present invention.

A sectional ceramsite fixed bed rural domestic sewage integrated treatment device comprises an aeration sedimentation tank 4, an adjusting tank 7, a lifting pump 8, a sectional type fixed bed, a sedimentation tank 16 and a disinfection tank 18 which are connected in sequence, wherein the aeration sedimentation tank 4 is connected with a farmer 1 through a water collecting pipe 2, a thick grating 3 is arranged on the water collecting pipe 2, a submersible aerator 5 is arranged in the aeration sedimentation tank 4, the aeration sedimentation tank 4 is communicated with the adjusting tank 7 through a pipeline, a thin grating 6 is arranged on the pipeline, the adjusting tank is connected with the sectional type fixed bed through the lifting pump, the sectional type fixed bed comprises a uniform water distribution area 10, a fixed glass wool 11, a ceramsite packing layer 12, a movable glass wool 13 and a material inlet/outlet 14, the sectional type fixed bed is connected with the sedimentation tank 16 through a water discharge pipe, and the sedimentation tank 16 is connected with the disinfection tank 18 through a water discharge, the disinfection tank 18 is provided with an overflow weir.

Furthermore, the sectional type fixed bed is two polytetrafluoroethylene glass columns, a layer of movable glass wool 13 is paved at the top of the column body, a layer of fixed glass wool 11 is paved at the bottom of the column body, a water inlet is formed in the bottom of the column body, a material inlet/outlet 14 is formed in the top of the column body, a water outlet is formed in the upper portion of the ceramsite packing layer 12, and the two groups of packing adsorption columns are connected through a silicone tube.

Furthermore, the particle size of the ceramsite filler is 1.0 mm, and the ceramsite filler is prepared by roasting dewatered sludge, fly ash and river sludge at high temperature.

Furthermore, the top of the aeration sedimentation tank 5, the top of the adjusting tank 7, the top of the sedimentation tank 16 and the top of the disinfection tank 18 are all provided with movable cover plates 15, the cover plates 15 are made of glass fiber reinforced plastic materials, and the cover plates 15 are provided with ventilation valves 17.

Further, the water collecting pipe 2 and the water discharging pipe 16 are both PVC pipes, the inner diameter of the water collecting pipe 2 is 20.0 cm, and the inner diameter of the water discharging pipe is 10.0 cm.

Further, a flow meter 9 is arranged on the lift pump 8, and the flow meter 9 is a glass rotameter.

Further, the disinfection tank 18 is provided with an external medicine feeding port, and the disinfection contact time is not less than 10 min.

The utility model discloses a use the flow as shown in figure 2, the domestic sewage that the peasant household discharged gets into collector pipe 2, can get rid of great suspended particles thing and solid debris through thick grid 3's interception effect. Then the sewage automatically flows into an aeration sedimentation tank 5 for full aeration, and part of COD is removed through the anaerobic-aerobic action_CrAnd NH⁺ ₄-N. Then the sewage enters an adjusting tank 7 after flowing through the fine grid 6 to adjust the water quality and the water quantity, thereby creating favorable conditions for subsequent adsorption filtration. Then the sewage enters the sectional fixed bed under the action of the lift pump, and organic pollutants and colloidal substances in the sewage are effectively removed under the actions of physical adsorption, chemical adsorption, flocculation filtration and the like of the ceramsite packing layer 12. The sewage automatically flows into a sedimentation tank 16, automatically flows into a disinfection tank 18 after coagulating sedimentation, and is sterilized and disinfected. Finally, the treated effluent reaches the standard and is discharged outside or reused for greening, toilet flushing, dust prevention and the like.

The width of the grid bars of the coarse grid 3 is 50-60 mm, the distance between the grid bars is 20-25 mm, the width of the grid bars of the fine grid 6 is 5-10mm, the distance between the grid bars is 3-5 mm, and the solid waste intercepted by the coarse grid 3 and the fine grid 6 is temporarily stored in a designated place and is periodically cleaned and transported by municipal sanitation departments.

The rest sludge at the bottom of the aeration sedimentation tank 4 and the sedimentation tank 16 is manually transported to a sludge tank for temporary storage and then periodically transported by a sanitation department.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides a rural domestic sewage integration treatment facility of sectional type haydite fixed bed, a serial communication port, including aeration sedimentation tank, equalizing basin, elevator pump, sectional type fixed bed, sedimentation tank and the disinfection pond that connects gradually, aeration sedimentation tank passes through the collector pipe and is connected with the peasant household, is equipped with thick grid on the collector pipe, be equipped with dive aeration machine in the aeration sedimentation tank, through the pipeline intercommunication between aeration sedimentation tank and the equalizing basin, be equipped with thin grid on the pipeline, be connected through the elevator pump between equalizing basin and the sectional type fixed bed, sectional type fixed bed and sedimentation tank pass through water piping connection, and sedimentation tank and disinfection pond pass through water piping connection, and the disinfection pond is equipped with the overflow weir.

2. The rural domestic sewage integrated treatment equipment of claim 1, wherein the sectional type ceramsite fixed bed comprises two polytetrafluoroethylene glass columns, the tops of the polytetrafluoroethylene glass columns are paved with a layer of movable glass wool, the bottoms of the polytetrafluoroethylene glass columns are paved with a layer of fixed glass wool, the bottoms of the polytetrafluoroethylene glass columns are provided with water inlets, the tops of the polytetrafluoroethylene glass columns are provided with water inlets/outlets, the upper parts of the ceramsite packing layers are provided with water outlets, and the two polytetrafluoroethylene glass columns are connected through a silicone tube.

3. The rural domestic sewage integrated treatment equipment with the segmented ceramsite fixed bed according to claim 2, wherein the particle size of the ceramsite filler in the ceramsite filler layer is 1.0 mm, and the ceramsite filler is prepared by firing dewatered sludge, fly ash and river sludge at a high temperature.

4. The rural domestic sewage integrated treatment equipment of the sectional ceramsite fixed bed according to claim 1, wherein the top of the aeration sedimentation tank, the adjusting tank, the sedimentation tank and the disinfection tank is provided with a movable cover plate, the cover plate is made of glass fiber reinforced plastic, and the cover plate is provided with a ventilation valve.

5. The rural domestic sewage integrated treatment equipment of the sectional ceramsite fixed bed according to claim 1, wherein the water collecting pipe and the water discharging pipe are both PVC pipes, the inner diameter of the water collecting pipe is 20.0 cm, and the inner diameter of the water discharging pipe is 10.0 cm.

6. The rural domestic sewage integrated treatment equipment of claim 1, wherein a flowmeter is arranged on the lift pump, and the flowmeter is a glass rotameter.

7. The rural domestic sewage integrated treatment equipment of the sectional ceramsite fixed bed according to claim 1, wherein the width of the bars of the coarse grating is 50-60 mm, the distance between the bars is 20-25 mm, the width of the bars of the fine grating is 5-10mm, and the distance between the bars is 3-5 mm.