CN212334944U - System for handle kitchen waste water through control DO - Google Patents

Abstract

The utility model relates to a kitchen garbage handles technical field specifically is a system for handle kitchen waste water through control DO, including the end of intaking of UNICOM mutually in proper order, air supporting device, equalizing basin, distribution pool, oxygen deficiency pond, good oxygen pond, MBR pond and play water end, the distribution pool is equipped with denitrogenation jar and carbon source and adds the device, good oxygen pond is equipped with oxygen supply unit, still be equipped with total nitrogen on-line measuring instrument and ammonia nitrogen on-line monitoring device between MBR pond and the play water end, the utility model discloses the operation effect is reliable and stable, has very high removal effect to total nitrogen to ensure that last quality of water reaches qualified emission requirement, economic benefits, social are showing, and have high-efficient sterilization, disinfection effect.

Description

System for handle kitchen waste water through control DO

Technical Field

The utility model relates to a kitchen garbage handles technical field, specifically is a system for handle kitchen waste water through control DO.

Background

In the catering industry, a large amount of kitchen waste is produced every day, experts think that the kitchen waste rich in nutrition is a precious renewable resource, but because the kitchen waste is not valued yet and the disposal method is improper, the kitchen waste becomes a potential hazard source influencing food safety and ecological safety, the treatment range of the existing kitchen waste treatment process is not wide, the single treatment capacity is limited, and the problems of large equipment investment, high treatment cost, long treatment period, substandard water quality discharge after treatment and the like are widely existed.

The oxygen consumption reaction of the sewage biochemical treatment is an important reaction stage, the oxygen adding work of the sewage biochemical treatment in China at present is realized by adopting a high-power air blower, a large amount of electric energy is consumed, and under the condition of ensuring the water quality, how to realize energy-saving control and reduce the cost is a problem which needs to be considered at present. The demand of the microorganisms in the sewage for oxygen is certain, water quality can be reduced, more water is needed, water quality cannot be guaranteed, energy is wasted, and whether a suitable oxygen supply amount is suitable is judged according to the content of dissolved oxygen.

SUMMERY OF THE UTILITY MODEL

The utility model provides a system that operation effect is reliable and stable, have high removal effect, ensure that last quality of water reaches the qualified kitchen cabinet waste water of handling through control DO to total nitrogen.

In order to achieve the above object, the utility model provides a following technical scheme: through controlling DO to process

The system of meal kitchen waste water, including the end of intaking of UNICOM in proper order, air supporting device, equalizing basin, distribution tank, oxygen deficiency pond, good oxygen pond, MBR pond and play water end, the distribution tank is equipped with denitrogenation jar and carbon source and adds the device, good oxygen pond is equipped with the apparatus of oxygen supply, still be equipped with total nitrogen on-line measuring instrument and ammonia nitrogen on-line monitoring device between MBR pond and the play water end.

The further improvement is that the air flotation device is a horizontal flow type pressurization dissolved air flotation device.

The carbon source adding device is characterized by further comprising a dosing pool, a dosing pump and a liquid uniform distribution device, wherein the dosing pool, the dosing pump and the liquid uniform distribution device are sequentially connected through a pipeline, the liquid uniform distribution device comprises a water distribution pipe and a floating barrel, a pipe orifice at one end of the water distribution pipe is a closed port, a pipe orifice at the other end of the water distribution pipe is communicated with the pipeline, the floating barrel is connected with the water distribution pipe, and a spray hole is formed in the pipe body of the water distribution pipe.

The further improvement is that: the oxygen supply device comprises an oxygen tank and a supply device connected with the oxygen tank and the aerobic tank

The air pipe is arranged on the oxygen tank, and an oxygen pump is arranged on the oxygen tank.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a pair of system for handle kitchen waste water through control DO, the adaptability is stronger, and the operation effect is reliable and stable, has very high removal effect to total nitrogen to ensure that last quality of water reaches qualified emission requirement, economic benefits, social are showing, and have high-efficient sterilization, disinfection effect.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. the system comprises a water inlet end 2, an air floatation device 3, an adjusting tank 4, a distribution tank 5, an anoxic tank 6, an aerobic tank 7, an MBR tank 8, a water outlet end 9, a total nitrogen online detection instrument 10, an ammonia nitrogen online monitoring device 41, a denitrification tank 42, a carbon source adding device 61 and an oxygen supply device.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a technical scheme: a system for treating kitchen wastewater by controlling DO,

the device comprises a water inlet end 1, an air flotation device 2, an adjusting tank 3, a water distribution tank 4, an anoxic tank 5, an aerobic tank 6, an MBR tank 7 and a water outlet end 8 which are sequentially communicated with one another, wherein the water distribution tank 4 is provided with a denitrification tank 41 and a carbon source adding device 42, the aerobic tank 6 is provided with an oxygen supply device 61, a total nitrogen online detection instrument 9 and an ammonia nitrogen online monitoring device 10 are further arranged between the MBR tank 7 and the water outlet end 8, the air flotation device 2 is a horizontal flow type pressurized dissolved air flotation device, the carbon source adding device 42 comprises a dosing tank, a dosing pump and a liquid uniform distribution device, the dosing tank, the dosing pump and the liquid uniform distribution device are sequentially connected through a pipeline, the liquid uniform distribution device comprises a water distribution pipe and a floating barrel, one end pipe orifice of the water distribution pipe is a closed port, the other end pipe orifice of the water distribution pipe is communicated with the pipeline, the floating barrel, the injection holes are added with carbon sources like a distribution pool, the oxygen supply device 61 comprises an oxygen tank and an air supply pipe connected with the oxygen tank and the aerobic pool, and the oxygen tank is provided with an oxygen pump.

The working principle is as follows: the distribution tank 4 is provided with a carbon source adding device 42, the aerobic tank 6 is provided with an oxygen supply device 61 for one use, the MBR membrane tank 7 is a final sewage outlet point, and then a total nitrogen online detection instrument 9 and an ammonia nitrogen online monitoring device 10 are arranged; the top of the distribution tank 4 is provided with a carbon source supplementing device 42 which supplies carbon source supplement and microbial nutrition during denitrification, the microorganisms decompose pollutants in the garbage percolate, so that the kitchen waste water is purified and reaches the discharge standard, the organic slurry of the kitchen waste realizes resource utilization and economic benefits, a denitrification water pump is arranged at a water outlet at the bottom of the distribution tank 4 and is fed into a denitrification tank 41, the denitrification tank 41 is a PP denitrification tank, the top of the denitrification tank 41 overflows to the distribution tank 4 to realize circulation, the denitrification tank 41 contains a special water distribution device and efficient denitrifying bacteria, pollutants are decomposed in the denitrification tank to remove most of total nitrogen in the sewage, the next process treatment link is ensured, in order to obtain the sewage which can reach the discharge standard, the control of dissolved oxygen in the aerobic tank 6 adopts automatic control to ensure the stability of the treatment effect, the dissolved oxygen control of good oxygen pond 6 is in the relatively stable scope, oxygen supply apparatus 61 will be according to the inflow water yield, the change of quality of water is in time adjusted, make the oxygen supply volume satisfy the requirement of the load of intaking, realize biochemical pond dissolved oxygen's automatic control, simultaneously, realize that biochemical pond dissolved oxygen's automatic control obtains fine energy-conserving effect, water installation adopts MBR pond 7, effectively degrade organic waste water pollutant, sewage is through the MBR technology processing back, produce water suspended solid SS content and be close to zero, the resource experiment result that realizes sewage shows, can effectively get rid of the COD in the kitchen waste water, TN and ammonia nitrogen, the clearance all is more than 97%.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a system for handle kitchen waste water through control DO which characterized in that: including the end of intaking of UNICOM in proper order, air supporting device, equalizing basin, distribution tank, oxygen deficiency pond, good oxygen pond, MBR pond and play water end, the distribution tank is equipped with denitrogenation jar and carbon source and adds the device, good oxygen pond is equipped with the apparatus of oxygen supply, still be equipped with total nitrogen on-line measuring instrument and ammonia nitrogen on-line monitoring device between MBR pond and the play water end.

2. The system for treating kitchen wastewater by controlling DO as claimed in claim 1, wherein: the air floatation device is a horizontal flow type pressurized dissolved air floatation device.

3. The system for treating kitchen wastewater by controlling DO as claimed in claim 1, wherein: the carbon source adding device comprises a dosing tank, a dosing pump and a liquid uniform distribution device, the dosing tank, the dosing pump and the liquid uniform distribution device are sequentially connected through a pipeline, the liquid uniform distribution device comprises a water distribution pipe and a floating barrel, a pipe orifice at one end of the water distribution pipe is a closed port, a pipe orifice at the other end of the water distribution pipe is communicated with the pipeline, the floating barrel is connected with the water distribution pipe, and a jet hole is formed in a pipe body of the water distribution pipe.

4. The system for treating kitchen wastewater by controlling DO as claimed in claim 1, wherein: the oxygen supply device comprises an oxygen tank and an air supply pipe connected with the oxygen tank and the aerobic pool, and an oxygen pump is arranged on the oxygen tank.

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