CN205313181U

CN205313181U - Full -automatic integrated MBBR sewage treatment device

Info

Publication number: CN205313181U
Application number: CN201520984459.XU
Authority: CN
Inventors: 王俊培
Original assignee: Sichuan Chuan Jiajie Waterworks Co Ltd
Current assignee: Sichuan Chuan Jiajie Waterworks Co Ltd
Priority date: 2015-12-02
Filing date: 2015-12-02
Publication date: 2016-06-15
Anticipated expiration: 2025-12-02

Abstract

The utility model discloses a full -automatic integrated MBBR sewage treatment device, including MBBR and PLC controller, MBBR includes the oxygen deficiency pond oxygen pond of becoming reconciled, is equipped with MBBR in the good oxygen pond and packs, and fan, PLC controller connection fan are connected to good oxygen pond. This sewage treatment device adopts the PLC controller to carry out automatic control to MBBR sewage treatment device, and equipment operation in -process need not the manual work and carries out the operation controls, the cost of using manpower sparingly, and it is good to go out water quality of water.

Description

A kind of fully automatic integral MBBR sewage disposal device

Technical field

This utility model relates to technical field of sewage, is specifically related to a kind of fully automatic integral MBBR sewage disposal device.

Background technology

Process and population expansion sharply along with modernization industry, water pollution problems has become as one of social focus, the method of current sewage disposal mainly has activated sludge process and the big class of biomembrance process two: activated sludge process is from 20 beginnings of the century since Britain starts, development through decades is reformed and has been had the multiple method of operation, simultaneously because its fabulous wastewater treatment efficiency and be increasingly becoming the technique of comparative maturity of everybody accreditation; Biomembrance process is a kind of technique utilizing the biology being attached on filler that water body is purified, and is also developed rapidly in recent years and improves.

From operative practice for many years, though activated sludge process is comparatively ripe, but there is also a lot of shortcoming and defect, as big in Aeration tank volume, floor space is high, capital cost is high, simultaneously that the adaptability of water quality, water yield change is relatively low, operational effect is subject to the impact etc. of water quality, water yield change. In view of above-mentioned factor, this sewage water treatment method is replaced by biomembrance process later gradually.

Biomembrance process compensate for a lot of not enough of activated sludge process, as it good stability, bear organic loading and hydraulic loading shock ability strong, without sludge bulking, without refluxing, organic clearance is high, the advantages such as the volume of reactor is little, sewage treatment plant's floor space is little. But biomembrance process also has its distinctive defect, the filtrate in biofilter easily blocks, need periodically backwash, fix that the replacing of aerator under filler and filler is more difficult simultaneously, the carrier granular only less stable of competence exertion effect, technique under fluidized state in biological fluidized-bed reactor.

MBBR (moving-bed-biofilm-reactor is called for short MBBR), has drawn the advantage of traditional activated sludge process and biological contact oxidation process and has become a kind of combination process processing method novel, efficient. Its core is exactly the active carrier that the floating stuffing using proportion close to water is directly added in Aeration tank as microorganism, the castering action of the aeration in Aeration tank and current is relied on to be in fluidized state, when microorganism is attached on carrier, floating carrier moves freely along with the convolution inverting action of mixed liquor in reactor, thus reaching the purpose of sewage disposal.

The MBBR sewage disposal system of domestic and foreign current is generally adopted Non-follow control or semiautomatic control, and automaticity is low, manages complicated operation, and labor intensity of operating staff is big, and water quality treatment is not ideal enough and stable, it sometimes appear that sludge bulking, mud generation amount is big. Some device integrations are not high, and floor space is big, poor processing effect.

Utility model content

The purpose of this utility model is to provide a kind of fully automatic integral MBBR sewage disposal device, adopt PLC that MBBR sewage disposal device is automatically controlled, without being manually operated controlling in equipment running process, saving human cost, effluent quality is excellent.

An embodiment of the present utility model provides a kind of fully automatic integral MBBR sewage disposal device, and including MBBR and PLC, MBBR includes anoxic pond and Aerobic Pond, is provided with MBBR filler, Aerobic Pond connecting fan, PLC connecting fan in Aerobic Pond.

Preferably, anoxic pond front end connects regulating reservoir, and regulating reservoir connects elevator pump, is provided with tank gage, tank gage and elevator pump and connects PLC in regulating reservoir.

Preferably, regulating reservoir front end connects grille well.

Preferably, Aerobic Pond connects sedimentation tank, and Aerobic Pond connects Aerobic Pond by sludge reflux pump, and sludge reflux pump connects PLC.

Preferably, sedimentation tank connects sterilization pool, and sterilization pool connects sterilizing machine.

The fully automatic integral MBBR sewage disposal device that this utility model provides, has the advantage that

1. by arranging Aerobic Pond connecting fan, PLC connecting fan, fan operation switching can be automatically carried out according to situations such as influent quality flows, achieve and MBBR sewage disposal device is automatically controlled, without being manually operated controlling in equipment running process, saving human cost, effluent quality is excellent.

2. anoxic pond front end connects regulating reservoir, and regulating reservoir connects elevator pump, is provided with tank gage, tank gage and elevator pump and connects PLC in regulating reservoir. The height of liquid level that PLC detects according to regulating reservoir tank gage controls whether elevator pump runs.

Accompanying drawing explanation

Fig. 1 show the schematic diagram of an embodiment of fully automatic integral MBBR sewage disposal device of the present utility model.

Detailed description of the invention

For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with this utility model specific embodiment and corresponding accompanying drawing, technical solutions of the utility model are clearly and completely described.

With reference to Fig. 1, in an embodiment of the present utility model, fully automatic integral MBBR sewage disposal device includes MBBR and PLC, MBBR includes anoxic pond and Aerobic Pond, MBBR filler, Aerobic Pond connecting fan, PLC connecting fan it is provided with in Aerobic Pond.

In anoxic pond, the pollutant such as protein, fat are carried out ammonification (N in organic chain or the amino in aminoacid) and dissociate ammonia (NH3, NH4+) by heterotrophic bacteria.

In Aerobic Pond, the active carrier that floating stuffing using proportion close to water is directly added in Aerobic Pond as microorganism, the castering action of the aeration in Aerobic Pond and current is relied on to be in fluidized state, when microorganism is attached on carrier, floating carrier moves freely along with the convolution inverting action of mixed liquor in reactor, thus reaching the purpose of sewage disposal.

By arranging PLC connecting fan, fan operation switching can be automatically carried out, it is achieved that MBBR sewage disposal device is automatically controlled, without being manually operated controlling in equipment running process according to situations such as influent quality flows, saving human cost, effluent quality is excellent.

PLC can connect touch screen, it is possible to arranges the parameters such as the operation dwell time of blower fan, and entry condition on the touchscreen. PLC is according to the parameter arranged and flow process, and the equipment such as autocontrol valve and blower fan runs, and reaches the automatic operating of whole equipment, it is achieved unmanned; Also according to circumstances, man machine interface can adjust relevant parameter, it is achieved different kinds of process flow and control requirement, adjust flexible quick.

Debugging can be set on the touchscreen and run both of which:

Debugging mode can run when integrated equipment for wastewater treatment just comes into operation, and can arrange fan operation and dwell time, whole-process automatic control, it is achieved two Fans switchings use, it is ensured that equipment safe and stable operation.

Operational mode can independently be configured fan operation switching time according to situations such as influent quality flows. The height of liquid level that PLC control cabinet shows according to regulating reservoir tank gage carries out into water, is off, into water, protecting elevator pump in low water level, controls interface and can show whether operational outfit breaks down.

Can arranging anoxic pond front end and connect regulating reservoir, regulating reservoir connects elevator pump, is provided with tank gage, tank gage and elevator pump and connects PLC in regulating reservoir. The height of liquid level that PLC detects according to regulating reservoir tank gage controls whether elevator pump runs.

Grille well can be connected in regulating reservoir front end, be used for the thick float and floating thing, fibrous matter and the solid particulate matter that retain in sewage.

This equipment is used to carry out the process of sewage disposal as follows:

First sewage flow into grille well, and grid is mainly used in the thick float and floating thing, fibrous matter and the solid particulate matter that retain in sewage. Entering regulating reservoir after grille well, regulating reservoir provides the buffer capacity to sewage treatment load; When temporarily ceasing sewage effluent, remain to process system is continued with sewage, it is ensured that system properly functioning. Then controlling to adjust pond elevator pump according to regulating reservoir and aerobic pit level, extract sewage and enter anoxic pond, anoxic pond builds anaerobic environment (DO is less than 0.5mg/L), is beneficial to anoxia growth of microorganism, and its effect is activated sludge absorption, degradation of organic substances. Generally the nitrite nitrogen in backflow mixed liquor and nitrate nitrogen are produced under the effect of denitrifying bacterium ammonia release. After anoxic pond, enter Aerobic Pond, in Aerobic Pond, the active carrier that floating stuffing using proportion close to water is directly added in Aerobic Pond as microorganism, the castering action of the aeration in Aerobic Pond and current is relied on to be in fluidized state, when microorganism is attached on carrier, floating carrier moves freely along with the convolution inverting action of mixed liquor in reactor, thus reaching the purpose of sewage disposal. Rear sewage sequentially enters sedimentation tank and sterilization pool, and sterilization pool connects sterilizing machine, and sterilizing machine will realize sterilization in sterilization material feeding sterilization pool, realize qualified discharge through precipitation and the clear water sterilized.

Although this utility model being made that detailed description with above-mentioned preferred embodiment, but not limit this utility model with above-described embodiment. Skilled person realizes that when without departing from the technical characteristic given by technical solutions of the utility model and scope; increase that technical characteristic is made, with the replacement of some same contents of this area, protection domain of the present utility model all should be belonged to.

Claims

1. a fully automatic integral MBBR sewage disposal device, is characterized in that, including MBBR and PLC, described MBBR includes anoxic pond and Aerobic Pond, is provided with MBBR filler, described Aerobic Pond connecting fan, described PLC connecting fan in described Aerobic Pond.

2. sewage disposal device according to claim 1, is characterized in that, described anoxic pond front end connects regulating reservoir, and described regulating reservoir connects elevator pump, is provided with tank gage, described tank gage and elevator pump and connects PLC in described regulating reservoir.

3. sewage disposal device according to claim 2, is characterized in that, described regulating reservoir front end connects grille well.

4. sewage disposal device according to claim 3, is characterized in that, described Aerobic Pond connects sedimentation tank, and described Aerobic Pond connects Aerobic Pond by sludge reflux pump, and described sludge reflux pump connects PLC.

5. sewage disposal device according to claim 4, is characterized in that, described sedimentation tank connects sterilization pool, and described sterilization pool connects sterilizing machine.