CN212770355U - SBR sewage treatment device - Google Patents
SBR sewage treatment device Download PDFInfo
- Publication number
- CN212770355U CN212770355U CN202021426512.1U CN202021426512U CN212770355U CN 212770355 U CN212770355 U CN 212770355U CN 202021426512 U CN202021426512 U CN 202021426512U CN 212770355 U CN212770355 U CN 212770355U
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- reaction tank
- retort
- water inlet
- pump
- fan
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Abstract
The utility model provides a SBR sewage treatment plant, including the retort, retort circumference is equipped with water installations and air-blast device, water installations includes the intake pump, the intake pump is linked together with the retort through the inlet tube, interior outer interval arrangement's thin filter screen and coarse strainer are established ties on the inlet tube, the air-blast device includes the fan, the fan is linked together with the retort through the tuber pipe, the retort side still is equipped with the backwash pump, the return water pipeline that advances of backwash pump all is linked together with the retort from the retort bottom, the retort lower part is equipped with the mud pipe way, be equipped with the mud valve on the mud pipe way, upside in the retort is equipped with the decanter, the top dead center and the lower dead center that correspond the decanter in the retort are equipped with level sensor respectively, still be equipped with the controller on the retort, the decanter, the intake pump, the fan, level sensor, the backwash pump, the mud valve all links. The device degrades the sludge in the sewage by a biodegradation mode, and has the advantages of simple process, convenient use, low cost and good treatment effect.
Description
Technical Field
The utility model relates to a SBR sewage treatment device.
Background
Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly used in daily life of common people. The methods for treating sewage are various, and can be generally classified into physical methods, chemical methods, biological methods and the like. Most of the existing sewage treatment plants adopt physical filtration and chemical sedimentation methods, and the method has high cost and low efficiency and is not suitable for the requirements of modern society.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a SBR sewage treatment device is provided, the device degrades the mud in the sewage with biodegradable's mode, simple process, convenient to use, it is with low costs and treatment effect good.
In order to solve the technical problem, the utility model provides a SBR sewage treatment device, which comprises a reaction tank, wherein the circumferential side surface of the reaction tank is provided with a water inlet device and an air blowing device, the water inlet device comprises a water inlet pump arranged outside the reaction tank, the water inlet pump is communicated with the inner cavity of the reaction tank through a water inlet pipe, one side close to the reaction tank along the length direction of the water inlet pipe is arranged as inner side, one side far away from the reaction tank is arranged as outer side, the water inlet pipe is connected with a fine filter screen and a coarse filter screen which are arranged at intervals inside and outside in series, the air blowing device comprises a fan arranged outside the reaction tank, the fan is communicated with the inner cavity of the reaction tank through an air pipe, the side of the reaction tank is also provided with a reflux pump, the water inlet and return pipelines of the reflux pump are communicated with the inner cavity of the reaction tank from the bottom of the reaction tank, the, the upper dead point and the lower dead point of the reaction tank corresponding to the decanter are respectively provided with a liquid level sensor, the reaction tank is also provided with a controller, and the decanter, the water inlet pump, the fan, the liquid level sensor, the reflux pump and the mud valve are all connected with the controller.
For the sake of simple explanation, the following is the device for SBR sewage treatment device of the present invention.
The device comprises the following steps of:
and in the water inlet link, a water inlet valve is opened, sewage enters the reaction tank under the action of the water inlet pump and is filtered by the coarse grating and the fine grating.
And in the reaction link, stopping water inflow when the sewage reaches the water level sensor on the reaction tank, simultaneously operating the air blower, starting to explode air, opening the submersible stirrer and the reflux pump, and starting to react the sewage. The link can effectively degrade organic matters and harmful substances containing ammonia/nitrogen in the sewage.
And a precipitation step, namely standing the equipment after reaction, and starting gravity precipitation and mud-liquid separation.
And in the step of draining water and discharging sludge, a decanter is used for skimming supernatant liquid and discharging the supernatant liquid, when the water level in the reaction tank reaches a lower water level sensor, decanting is stopped, the lower layer of sludge is left, and the sludge is discharged through a sludge discharge system, and part of sludge is left. When entering the idle period, the activated sludge is in a nutrient hungry state, the activated sludge with unit weight has a large adsorption surface area, and when entering the water inlet period of the next operation period, the activated sludge can fully play the role of initial adsorption removal.
The treatment process comprises the following steps: and (4) feeding water for 2h, wherein the water feeding pump is started, the reflux pump is started, the fan is started, and water feeding and aeration are carried out simultaneously. Then the water inlet pump and the reflux pump are closed, and the fan continuously aerates for 6 hours. Aerating for 6h, standing for 1h, discharging supernatant liquid by using a decanter, and settling sludge along with gravity. Then draining water and sludge for 1h, discharging clear liquid by a decanter, and discharging sludge to a sludge storage tank by a sludge pump. Then entering a standby state to wait for next sewage treatment.
The device has the advantages that: the device degrades the sludge in the sewage in a biodegradation mode, and has the advantages of simple process, convenient use, low cost and good treatment effect.
Drawings
Fig. 1 is a schematic structural view of the present apparatus.
Detailed Description
Referring to fig. 1, a SBR sewage treatment plant, comprising a reaction tank 1, wherein a water inlet device 2 and a blower device 3 are arranged on the circumferential side surface of the reaction tank 1, the water inlet device 2 comprises a water inlet pump 21 arranged outside the reaction tank 1, the water inlet pump 21 is communicated with the inner cavity of the reaction tank 1 through a water inlet pipe 22, one side close to the reaction tank 1 along the length direction of the water inlet pipe 22 is inner, one side far away from the reaction tank 1 is outer, a fine filter screen 23 and a coarse filter screen 24 which are arranged at intervals inside and outside are connected in series on the water inlet pipe 22, the blower device 3 comprises a fan 31 arranged outside the reaction tank 1, the fan 31 is communicated with the inner cavity of the reaction tank 1 through an air pipe 32, a reflux pump 4 is further arranged beside the reaction tank 1, a water inlet and return pipeline 41 of the reflux pump 4 is communicated with the inner cavity of the reaction tank 1 from the bottom of the reaction tank 1, a sludge discharge pipeline 5 is further arranged on the lower part of the reaction tank 1, the reaction tank 1 is provided with a liquid level sensor 7 corresponding to the top dead center and the bottom dead center of the decanter 6, the reaction tank 1 is further provided with a controller (the controller is of a conventional structure and is arranged on the reaction tank 1, and the controller and corresponding connecting lines are not shown in the figure), and the decanter 6, the water inlet pump 21, the fan 31, the liquid level sensor 7, the reflux pump 4 and the mud valve 51 are all connected with the controller.
The device comprises the following steps of:
in the water inlet link, the water inlet pump 21 is started, and sewage enters the reaction tank 1 under the action of the water inlet pump 21 and is filtered by the coarse grating and the fine grating.
And in the reaction link, stopping water inflow when the sewage reaches the water level sensor 71 on the reaction tank 1, simultaneously operating the fan 31, starting aeration, opening the reflux pump 4 and starting sewage reaction. The link can effectively degrade organic matters and harmful substances containing ammonia/nitrogen in the sewage.
And a precipitation step, namely standing the equipment after reaction, and starting gravity precipitation and mud-liquid separation.
And in the step of draining water and discharging sludge, the decanter 6 is used for skimming the supernatant liquid and discharging the supernatant liquid until the water level in the reaction tank 1 reaches the lower water level sensor 72, decanting is stopped, the lower layer of sludge is left, and the sludge is discharged through a sludge discharge system and part of sludge is left. When entering the idle period, the activated sludge is in a nutrient hungry state, the activated sludge with unit weight has a large adsorption surface area, and when entering the water inlet period of the next operation period, the activated sludge can fully play the role of initial adsorption removal.
The treatment process comprises the following steps: and (4) feeding water for 2h, wherein the water feeding pump 21, the reflux pump 4 and the fan 31 are turned on, and aeration is carried out while water is fed. Then the water inlet pump 21 and the return pump 4 are closed, and the fan 31 continuously aerates for 6 hours. Aerating for 6h, standing for 1h, discharging supernatant liquid by a decanter 6, and settling sludge along with gravity. Then draining water and mud for 1h, discharging clear liquid by a decanter 6, and discharging the mud to a mud storage tank by a mud pump. Then entering a standby state to wait for next sewage treatment.
The device has the advantages that: the device degrades the sludge in the sewage in a biodegradation mode, and has the advantages of simple process, convenient use, low cost and good treatment effect.
In the above embodiment:
the controller adopts Siemens S7-200PLC to carry out automatic control, selects the CPU226 including 16 digital output ports and 24 digital input ports, and meets the use requirement of the device.
The water inlet pump 21 adopts a 50HYL-18 single-stage small-sized corrosion-resistant centrifugal pump, and the flow range is as follows: 0.8m3/h～29.5m3H, lift range: 3 m-30 m, motor power: 0.25kw to 3 kw.
The blower 31 is Roots blower 31 with model number of NSSR125 and flow range of 5.37m3/min～13.39m3Min, and the power is 2.2-22 kw.
The reflux pump 4 employs: CP5(T)3.7-80, flow: 45m3H, lift: 15m, power: 3.7 kw.
The decanter 6 employs: BSQ100 cantilever type, decantation amount: 100m3H, power: 0.75 kw. The mud valve 51 is selected from: DN150-DN600 opens and closes the mud valve 51. The aperture of the coarse filter screen is 40mm x 40mm, and the aperture of the fine filter screen is 5mm x 5 mm.
Claims (1)
1. The utility model provides a SBR sewage treatment plant which characterized in that: the reaction tank comprises a reaction tank, wherein a water inlet device and a blower device are arranged on the circumferential side surface of the reaction tank, the water inlet device comprises a water inlet pump arranged outside the reaction tank, the water inlet pump is communicated with the inner cavity of the reaction tank through a water inlet pipe, one side close to the reaction tank along the length direction of the water inlet pipe is arranged as inner side, one side far away from the reaction tank is arranged as outer side, a fine filter screen and a coarse filter screen which are arranged at intervals are connected in series on the water inlet pipe, the blower device comprises a fan arranged outside the reaction tank, the fan is communicated with the inner cavity of the reaction tank through an air pipe, a reflux pump is further arranged beside the reaction tank, a water inlet and return pipeline of the reflux pump is communicated with the inner cavity of the reaction tank from the bottom of the reaction tank, a sludge discharge pipeline is further arranged at the lower part of the reaction tank, a sludge discharge valve is arranged on, the reaction tank is also provided with a controller, and the decanter, the water inlet pump, the fan, the liquid level sensor, the reflux pump and the mud valve are all connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021426512.1U CN212770355U (en) | 2020-07-17 | 2020-07-17 | SBR sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021426512.1U CN212770355U (en) | 2020-07-17 | 2020-07-17 | SBR sewage treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212770355U true CN212770355U (en) | 2021-03-23 |
Family
ID=75028068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021426512.1U Expired - Fee Related CN212770355U (en) | 2020-07-17 | 2020-07-17 | SBR sewage treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212770355U (en) |
-
2020
- 2020-07-17 CN CN202021426512.1U patent/CN212770355U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210323 Termination date: 20210717 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |