CN210163450U - Special equipment for carrying out optimal expanding culture on sludge protobacteria group to treat sewage - Google Patents
Special equipment for carrying out optimal expanding culture on sludge protobacteria group to treat sewage Download PDFInfo
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Abstract
The technology discloses a special device for carrying out optimized propagation on sludge protobacteria groups to treat sewage, which comprises a sludge extractor, a sand remover, a biochemical reaction tank, a fermentation tank and an activated sludge culture tank, wherein the sludge extractor, the sand remover, the biochemical reaction tank, the fermentation tank and the activated sludge culture tank are sequentially connected, a nutrient adding device and a pH value regulator are connected between the sand remover and the biochemical reaction tank, a bacteria adding device is connected between the biochemical reaction tank and the fermentation tank, a large number of heating pipes are wound on the surface of the outer circumferential wall of the fermentation tank, the heating pipes are provided with heat energy by a heater, protobacteria strains are obtained by extracting water sludge, then the protobacteria are cultured, the propagation of ineffective bacteria is inhibited in the culture process, so a large number of effective bacteria are obtained, and the effective bacteria obtained by the propagation of the protobacteria are discharged into the sewage to carry out biochemical degradation on organic pollutants, the purpose of purifying the sewage is achieved.
Description
The technical field is as follows:
the invention relates to a special device for carrying out optimal culture expansion on sludge protobacteria groups to treat sewage.
Background art:
the biological method for sewage treatment is to utilize the metabolism of microbe to degrade and convert the dissolved and colloidal organic pollutant into harmless matter and purify sewage. The activated sludge process is a widely used biological treatment method, air is continuously blown into sewage in an aeration tank, and after a period of time, flocs, namely activated sludge containing a large amount of aerobic microorganisms are formed in the sewage, and the activated sludge has huge specific surface area and can adsorb organic matters in the sewage; meanwhile, the microorganisms with activity in the activated sludge take organic matters as food materials, obtain energy and continuously grow and proliferate, so that the organic matters can be removed, and the sewage is purified.
At present, two activated sludge methods are adopted by various sewage treatment companies, one method is to directly perform bacterial culture on a water body in a segmented manner, the bacteria in the water body sludge are combined with beneficial bacteria added externally, oxygen is continuously added to a water body culture section in the culture process, but due to the fluidity of the water body, a large amount of oxygen and bacteria are consumed in the culture, and the cost is quite high. The other method is to extract water body sludge, convey the sludge to a culture pond for oxygen and nutrient adding culture, the culture has no selectivity on bacteria, effective bacteria and ineffective bacteria can be cultured in equal amount, and the culture is discharged to a water body after culture, the cost is overhigh because the ineffective bacteria are also cultured, and the sewage degradation effect is greatly reduced because of the existence of a large amount of ineffective bacteria. How to reduce the cost of degrading harmful substances by culturing the protogenic bacteria is a difficult problem in the industry.
The invention content is as follows:
the invention aims to overcome the defects of the prior art and provide special equipment for treating sewage by performing optimal culture expansion on sludge protobacteria groups, which has low cost and can inhibit the propagation of ineffective bacteria.
The invention aims to be realized by the following technical scheme: the utility model provides a carry out the professional equipment that preferred expansion was banked up with earth and administer sewage to native flora of mud, including silt extractor, desander, biochemical reaction pond, fermentation vat and activated sludge bank up with earth the pond, silt extractor, desander, biochemical reaction pond, fermentation vat and activated sludge bank up with earth the pond and connect gradually, are connected with nutrient between desander and biochemical reaction pond and add device and PH value regulator, are connected with the bacterial between biochemical reaction pond and fermentation vat and add the device.
A stirring device is arranged in the fermentation tank.
The desander is a rotational flow desander.
A large number of heating pipes are wound on the surface of the outer circumferential wall of the fermentation tank, and the heating pipes are provided with heat energy by heaters.
After adopting this technical scheme, compare with prior art, this technical scheme has following advantage: get the primary bacteria bacterial through extracting water silt, then cultivate primary bacteria, the reproduction of ineffective bacterium is suppressed in the process of cultivateing to obtain a large amount of effective bacteria, discharge these effective bacteria that obtain by primary bacteria reproduction to the sewage and carry out the biochemical degradation organic pollutant, reach the purpose that carries out purification treatment to sewage, greatly reduced artifical bacterial input, and reduce the oxygen consumption, finally reach and reduce sewage treatment cost, improve sewage treatment's effect.
Description of the drawings:
FIG. 1 is a schematic diagram of a sewage treatment plant for performing an optimal culture expansion of a sludge-derived bacterial group according to the present invention.
The specific implementation mode is as follows:
the present technology is further described below with reference to the accompanying drawings.
The method for treating sewage by carrying out optimal culture expansion on sludge protobacteria comprises the following steps:
a. extracting sludge at the bottom of the river bed and carrying out sand removal treatment, wherein the sludge of the river bed contains a large amount of protogenic bacteria including effective bacteria and ineffective bacteria;
b. c, adding nutrients into the muddy water containing a large number of the protobacteria obtained from the step a for mass culture, wherein the nutrients comprise carbon source nutrients and nitrogen source nutrients, and culturing a large number of beneficial and useless protobacteria;
c. adding beneficial bacteria into the primary bacteria slurry obtained in step b, breaking the balance between effective bacteria and ineffective bacteria, making the effective bacteria in a dominant state, inhibiting the reproduction of the ineffective bacteria, and fermenting the slurry to culture a large amount of effective bacteria;
d. c, conveying the serous fluid containing a large amount of effective bacteria to an active culture device for aerobic culture, and further culturing a larger amount of effective bacteria;
e. discharging the slurry containing a large amount of effective bacteria obtained in the step d into the upstream of the water body, and adding oxygen into a section of water body between the discharge port and the sludge extraction position, so that the effective bacteria are further propagated in the aerobic section of the water body, and carry out biological metabolism on organic pollutants in the sewage, and the organic pollutants in the water are degraded and converted into harmless substances;
f. and e, after the slurry discharged in the step e passes through the aerobic section, the activated sludge in the slurry can be deposited at a sludge extraction part (namely a deposition section) to form inoculated sludge, and the inoculated sludge is extracted again to carry out effective bacterial culture so as to form a continuous primary bacterial culture system.
The special equipment for carrying out preferential propagation on sludge protobacteria and treating sewage comprises a sludge extractor 1, a rotational flow desander 2, a biochemical reaction tank 3, a fermentation tank 4 and an activated sludge culture tank 5, wherein the sludge extractor 1, the rotational flow desander 2, the biochemical reaction tank 3, the fermentation tank 4 and the activated sludge culture tank 5 are sequentially connected, the sludge extractor 1 is arranged at a riverbed sedimentation section, the sludge extractor 1 comprises a slide rail 1A laid at the riverbed sedimentation section and an extraction vehicle 1B sliding on the slide rail, a stirring device 6 is arranged in the fermentation tank 4, an oxygen increasing device 7 is arranged at the bottom of the activated sludge culture tank 5, in order to match the equipment, an oxygen increasing device 8 is arranged at an aerobic section of the riverbed, one path of the oxygen increasing device 8 supplies oxygen to a water body at the aerobic section of the riverbed, the other path supplies oxygen to the oxygen increasing device 7 in the activated sludge culture tank 5, a nutrient adding device 9 and a pH value regulator 10 are connected between the rotational flow desander 2 and the biochemical reaction tank 3, a strain adding device 11 is connected between the biochemical reaction tank 3 and the fermentation tank 4, a large number of heating pipes 12 are wound on the surface of the outer circumferential wall of the fermentation tank 4, the heating pipes 12 are supplied with heat energy by a heater 13, the heater 13 generates hot water, and the hot water flows through the heating pipes 12 to realize heating and heat preservation of the fermentation tank 4, so that the temperature of the fermentation tank 4 is kept in an ideal state of 25-35 ℃, and effective bacteria are propagated and expanded at the temperature with the highest efficiency. The sludge extractor 1 is responsible for extracting river bed sludge, the rotational flow sand remover 2 is responsible for removing sand in the sludge extracted by the sludge extractor 1, the biochemical reaction tank 3 is responsible for primarily culturing bacteria in the sludge, namely, the effective bacteria and the ineffective bacteria in the sludge are cultured, so that the number of the bacteria in the sludge is increased, the fermentation tank 4 is responsible for providing dominant culture of the effective bacteria, the effective bacteria are in a dominant state, the reproduction of the ineffective bacteria is inhibited, the bacteria adding device 11 is responsible for adding beneficial bacteria into the fermentation tank 4, the effective bacteria in the fermentation tank 4 are in a dominant state, the nutrient adding device 9 is responsible for adding nutrients required by the reproduction of the bacteria (including the effective bacteria and the ineffective bacteria) into the biochemical reaction tank 3, so that the number of the bacteria contained in the sludge is properly increased, early-stage conditions are created for the subsequent bacterial reproduction, the activated sludge culture tank 5 provides an oxygen explosion environment, and the effective bacteria are propagated in the activated sludge culture tank 5 in a large amount as possible.
The sewage has the conditions of microorganism growth and reproduction, so that the microorganisms can obtain nutrients from the sewage and degrade and utilize harmful substances, thereby purifying the sewage. The technology belongs to an activated sludge method in a sewage treatment method, microorganisms absorb organic matters in sewage under the condition of sufficient oxygen, and the organic matters are oxidized and decomposed to form carbon dioxide and water, and part of the carbon dioxide and water is supplied to self proliferation and multiplication. As a result of the activated sludge reaction, organic pollutants in the sewage are degraded and removed, the activated sludge itself is multiplied and increased, and the sewage is purified. The mixed liquid after the purification action of the activated sludge enters the riverbed again, the activated sludge suspended in the mixed liquid and solid matters thereof are precipitated at an aerobic section and a sludge extraction position of the riverbed, and most of the activated sludge is extracted again and is conveyed to the cyclone desander 2 as inoculation sludge.
The theory image of the activated sludge method is as follows: the microorganisms "eat" the organic matter in the wastewater, which becomes clean water. The method is essentially similar to the self-purification process of the natural water body, and the sewage purification effect is better only through artificial reinforcement.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments, using the methods and techniques disclosed above, without departing from the scope of the present invention. Therefore, all equivalent changes made according to the shape, structure and principle of the present invention without departing from the technical scheme of the present invention shall be covered by the protection scope of the present invention.
Claims (4)
1. The special equipment for treating sewage by carrying out optimal culture expansion on sludge protobacteria flora is characterized by comprising the following steps of: the device comprises a sludge extractor, a desander, a biochemical reaction tank, a fermentation tank and an activated sludge bacteria culture tank, wherein the sludge extractor, the desander, the biochemical reaction tank, the fermentation tank and the activated sludge bacteria culture tank are sequentially connected, a nutrient adding device and a pH value regulator are connected between the desander and the biochemical reaction tank, and a strain adding device is connected between the biochemical reaction tank and the fermentation tank.
2. The special equipment for treating sewage by performing preferential culture on the sludge protobacteria according to the claim 1, which is characterized in that: a stirring device is arranged in the fermentation tank.
3. The special equipment for treating sewage by performing preferential culture on the sludge protobacteria according to the claim 1, which is characterized in that: the desander is a rotational flow desander.
4. The special equipment for treating sewage by performing preferential culture on the sludge protobacteria according to the claim 1, which is characterized in that: a large number of heating pipes are wound on the surface of the outer circumferential wall of the fermentation tank, and the heating pipes are provided with heat energy by heaters.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110042051A (en) * | 2019-05-10 | 2019-07-23 | 陈师楚 | The primary flora of a kind of pair of sludge, which preferably spread cultivation, administers the special equipment of sewage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110042051A (en) * | 2019-05-10 | 2019-07-23 | 陈师楚 | The primary flora of a kind of pair of sludge, which preferably spread cultivation, administers the special equipment of sewage |
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