CN217947891U - Kitchen garbage effluent disposal system - Google Patents
Kitchen garbage effluent disposal system Download PDFInfo
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- CN217947891U CN217947891U CN202221264628.9U CN202221264628U CN217947891U CN 217947891 U CN217947891 U CN 217947891U CN 202221264628 U CN202221264628 U CN 202221264628U CN 217947891 U CN217947891 U CN 217947891U
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Abstract
The utility model discloses a kitchen garbage effluent disposal system. The kitchen waste wastewater treatment system comprises a pretreatment device, an organic matter anaerobic treatment device, a biological reaction device and a disinfection device, wherein the pretreatment device is used for treating residues and oil stains in wastewater; the water inlet of the organic matter anaerobic treatment device is communicated with the water outlet of the pretreatment device, and the organic matter anaerobic treatment device is used for decomposing complex organic matters in the wastewater; the water inlet of the biological reaction device is communicated with the water outlet of the organic matter anaerobic treatment device, and the biological reaction device is used for further biological treatment of the wastewater; the water inlet of the disinfection device is communicated with the water outlet of the biological reaction device to disinfect the wastewater. The utility model discloses a kitchen garbage effluent disposal system who sets up can carry out effective treatment to kitchen garbage waste water, makes its play water quality of water reach emission standard, and does not produce the concentrate in the processing procedure, can satisfy kitchen garbage waste water treatment's demand.
Description
Technical Field
The utility model relates to a municipal administration and sewage treatment technical field, concretely relates to kitchen garbage effluent disposal system.
Background
The kitchen waste wastewater is high-concentration organic wastewater obtained by solid-liquid separation of domestic waste formed in the process of domestic consumption of residents, is commonly called swill, and has the characteristics of easiness in decay, deterioration, odor generation and the like. With the further promotion of classified collection of garbage, the trend of independent collection and disposal of kitchen garbage generated in the life of residents is developed, and the treatment of kitchen garbage waste water brought by the trend is also a new demand.
The high-concentration wastewater generated after the solid-liquid separation of the kitchen waste contains grease, the concentration of pollutants is high, the components are complex, and the treatment difficulty is large. However, the traditional biological treatment method occupies a large area, has unstable treatment effect and produces effluent with odor, while the DTRO is essentially used for concentrating pollutants and not removing the pollutants, and the treatment of concentrated solution is a great difficulty.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a kitchen garbage effluent disposal system, aim at solving the unstable shortcoming of treatment effect among the current kitchen garbage effluent disposal method.
In order to achieve the above object, the utility model provides a kitchen garbage effluent disposal system, include:
the pretreatment device is used for treating residues and oil stains in the wastewater;
the water inlet of the organic matter anaerobic treatment device is communicated with the water outlet of the pretreatment device, and the organic matter anaerobic treatment device is used for decomposing complex organic matters in the wastewater;
the water inlet of the biological reaction device is communicated with the water outlet of the organic matter anaerobic treatment device, and the biological reaction device is used for carrying out biological treatment on the wastewater; and the number of the first and second groups,
and the water inlet of the disinfection device is communicated with the water outlet of the biological reaction device to disinfect the wastewater.
Optionally, the bioreactor comprises:
the water outlet of the second pool is communicated with the water inlet of the disinfection device;
a facultative material disposed within said first tank;
the ceramic MBR membrane is arranged in the second tank; and the number of the first and second groups,
activated sludge disposed in the first tank and the second tank.
Optionally, the biological reaction device further comprises a first channel, a second channel and a third channel, the first channel and the second channel are communicated with the first pool and the second pool, the first channel, the second channel, the first pool and the second pool jointly form a circulation loop for circulating the activated sludge, and the third channel is communicated with the second pool and the disinfection device for discharging wastewater.
Optionally, the second pool comprises:
the inorganic membrane is arranged at the joint of the third channel and the disinfection device and is used for intercepting microorganisms in the wastewater from entering the disinfection device;
the suction pump is arranged at the joint of the third channel and the disinfection device and is used for pumping the wastewater from the second pool to the disinfection device;
the backwashing pump is used for introducing clean water to flush the inorganic membrane so as to strip suspended sludge deposited on the surface of the inorganic membrane; and the number of the first and second groups,
and the medicine washing pump is arranged in the second tank and is used for washing and adding the medicine to the inorganic membrane.
Optionally, the inorganic membrane is a flat immersed inorganic membrane, a super-hydrophilic material is loaded on the surface of the flat immersed inorganic membrane, the flat immersed inorganic membrane is provided with a plurality of holes, the pore diameter of each hole is A, and A is greater than or equal to 50nm and less than or equal to 100nm.
Optionally, the bioreactor further comprises a fan, an air outlet side of the fan is arranged towards the substrate, and the fan is used for performing aeration treatment on the first tank and the second tank.
Optionally, organic matter anaerobic treatment device includes UASB reaction tank, the water inlet intercommunication in UASB reaction tank preprocessing device's delivery port, the delivery port intercommunication in UASB reaction tank biological reaction device's water inlet, UASB reaction tank with preprocessing device's junction is equipped with the UASB reactor, the UASB reactor is used for decomposing the organic matter in the waste water.
Optionally, the pretreatment device comprises a grid, a regulating tank and an air flotation oil separation tank which are connected in sequence, a water outlet of the air flotation oil separation tank is communicated with a water inlet of the organic matter anaerobic treatment device, and the grid is arranged at the water inlet of the pretreatment device and used for isolating residues in wastewater.
Optionally, the filtering precision of the grating is B, wherein B is less than or equal to 1mm.
Optionally, the sterilizing device comprises a NaClO generator, and the NaClO generator is used for adding NaClO into the kitchen waste wastewater.
The utility model discloses among the technical scheme, leading-in to through collecting kitchen garbage waste water and the waste water that will collect in the kitchen garbage effluent disposal system, waste water at first flows in among the preprocessing device, clear away residue and greasy dirt that contain in the waste water, in the waste water through the preprocessing flows in organic matter anaerobic treatment device, carries out the decomposition of complicated organic matter to get rid of the complicated organic matter that contains in the waste water, the waste water after the organic matter is handled flows in thereby can get rid of organic matters such as nitrogen, phosphorus that contain in the waste water among the biological reaction unit, the waste water that handles through biological reaction unit flows in again go on in the degassing unit, thereby make waste water reach the standard that can discharge. The kitchen waste wastewater treatment system arranged in this way can effectively treat kitchen waste wastewater, so that the quality of the water discharged by the kitchen waste wastewater treatment system reaches the discharge standard, and concentrated solution is not generated in the treatment process, so that the requirement of kitchen waste wastewater treatment can be met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of a kitchen waste and wastewater treatment system provided by the present invention;
FIG. 2 is a schematic view of the pretreatment apparatus shown in FIG. 1;
FIG. 3 is a schematic structural view of the bioreactor in FIG. 1.
The reference numbers illustrate:
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The high-concentration wastewater generated after the solid-liquid separation of the kitchen waste contains grease, the concentration of pollutants is high, the components are complex, and the treatment difficulty is large. However, the traditional biological treatment method occupies a large area, has unstable treatment effect and produces effluent with odor, while the DTRO is essentially used for concentrating pollutants and not removing the pollutants, and the treatment of concentrated solution is a great difficulty.
In view of this, the utility model provides a kitchen garbage effluent disposal system, figure 1 is the utility model discloses an embodiment.
Referring to fig. 1, the kitchen waste and wastewater treatment system 100 includes a pretreatment device 1, an organic matter anaerobic treatment device 2, a biological reaction device 3 and a disinfection device 4, wherein the pretreatment device 1 is used for treating residues and oil stains in wastewater; the water inlet of the organic matter anaerobic treatment device 2 is communicated with the water outlet of the pretreatment device 1, and the organic matter anaerobic treatment device 2 is used for decomposing complex organic matters in the wastewater; the water inlet of the biological reaction device 3 is communicated with the water outlet of the organic matter anaerobic treatment device 2, and the biological reaction device 3 is used for carrying out biological treatment on the wastewater; the water inlet of the disinfection device 4 is communicated with the water outlet of the biological reaction device 3 to disinfect the wastewater.
The utility model discloses among the technical scheme, leading-in to through collecting kitchen garbage waste water and the waste water that will collect in the kitchen garbage effluent disposal system 100, waste water at first flows into among the preprocessing device 1, clears away residue and greasy dirt that contain in the waste water, and the waste water through the preprocessing flows into in organic matter anaerobic treatment device 2, carries out the decomposition of complicated organic matter to get rid of the complicated organic matter that contains in the waste water, the waste water after the organic matter is handled flows into thereby can get rid of organic matters such as nitrogen, phosphorus that contain in the waste water among the biological reaction unit 3, the waste water through biological reaction unit 3 processing flows into again go on in the degassing unit 4 to make waste water reach the standard that can discharge. The kitchen waste wastewater treatment system 100 arranged in this way can effectively treat kitchen waste wastewater, so that the quality of the water discharged by the kitchen waste wastewater treatment system reaches the discharge standard, and no concentrated solution is generated in the treatment process, so that the requirement of kitchen waste wastewater treatment can be met.
Further, the biological reaction device 3 comprises a substrate, a facultative material, a ceramic MBR membrane and activated sludge, the substrate forms a first tank 31 and a second tank 32 which are communicated in sequence, and a water outlet of the second tank 32 is communicated with a water inlet of the disinfection device 4; the facultative material is arranged in the first tank 31; the ceramic MBR membrane is arranged in the second tank 32; the activated sludge is disposed in the first tank 31 and the second tank 32.
Wherein the dissolved oxygen concentration of the facultative reaction tank is 0.5mg/L, and the composite flora specially used for kitchen waste wastewater treatment and cultured and domesticated is addedYXM-06, wherein the special composite flora YXM-06 comprises pseudomonas fluorescens, bacillus subtilis and other necessary floras, wherein the total of the pseudomonas fluorescens and the bacillus subtilis accounts for 90% of the total floras. So that the short-cut nitrification and denitrification process can be carried out under the facultative condition; wherein most organic matters contained in the wastewater are oxidized and removed by the oxidation of the oxidation carbon dioxide, and ammonia nitrogen and nitrate nitrogen are converted into N 2 Get rid of, and then realize efficient dephosphorization of nitrogen, simultaneously under the effect of the membrane module that second pond 32 has the activated sludge concentration that first pond 31 and second pond 32 contain reaches 12000-16000 mg/L, and compared with conventional biochemical treatment silt concentration and can only reach 4000 mg/L-6000 mg/L, in this embodiment first pond 31 with the activated sludge concentration that second pond 32 contains is the bigger, the organic matter in the absorption waste water that can be better to reach higher organic matter treatment efficiency.
Specifically, the biological reaction device 3 further comprises a first channel 33, a second channel 34 and a third channel 35, the first channel 33 and the second channel 34 are communicated with the first tank 31 and the second tank 32, the first channel 33, the second channel 34, the first tank 31 and the second tank 32 jointly form a circulation loop for circulating the activated sludge, and the third channel 35 is communicated with the second tank 32 and the disinfection device 4 for discharging wastewater.
In order to reduce costs, a circulation loop is provided in the biological reaction apparatus 3, and the circulation loop is used for circulating activated sludge, and the activated sludge can be cleaned and is equivalent to providing a culture and growth environment for the complex bacterial group YXM-06 in the biological reaction apparatus 3. It is worth to be noted that the mixed liquid in the second tank 32 flows back to the first tank 31, and the reflux ratio is 600-800%.
Further, the second tank 32 comprises an inorganic membrane, a suction pump, a back-flushing pump and a drug-washing pump, wherein the inorganic membrane is arranged at the joint of the third channel 35 and the disinfection device 4 and is used for intercepting microorganisms in wastewater from entering the disinfection device 4; the suction pump is arranged at the joint of the third channel 35 and the disinfection device 4 and is used for pumping the wastewater from the second pool 32 to the disinfection device 4; the back washing pump is used for introducing clean water to wash the inorganic membrane so as to strip suspended sludge deposited on the surface of the inorganic membrane; the medicine washing pump is arranged in the second tank 32 and used for washing and adding the medicine to the inorganic membrane.
Specifically, the inorganic membrane is a flat immersed inorganic membrane, a super-hydrophilic material is loaded on the surface of the flat immersed inorganic membrane, the flat immersed inorganic membrane is provided with a plurality of holes, the aperture of each hole is A, and A is not less than 50nm and not more than 100nm.
The inorganic membrane is set to be a flat plate immersed type, and the flat plate immersed type inorganic membrane has the advantages of high separation efficiency, stable effect, good chemical stability, acid and alkali resistance, organic solvent resistance, bacteria resistance, high temperature resistance, pollution resistance, high mechanical strength, good regeneration performance, simple separation process, low energy consumption, simplicity and convenience in operation and maintenance, long service life and the like. The main materials of the inorganic membrane are cordierite and Al 2 O 3 And the surface of the composite material is loaded with super-hydrophilic materials, so that the composite material has super-strong stain resistance.
Referring to fig. 1 again, the bioreactor 3 further includes a blower 36, an air outlet side of the blower 36 is disposed toward the substrate, and the blower 36 is used for performing aeration treatment on the first tank 31 and the second tank 32.
Aeration is a process of forcibly transferring oxygen in the air into a liquid by using methods such as aeration or mechanical agitation to dissolve oxygen and uniformly mix a water body. The aeration in the sewage treatment is the process link with the highest operation cost in a sewage aerobic biochemical treatment system, and in the aerobic process, the aeration mainly has the functions of preventing suspension bodies in the tank from sinking and enhancing the contact of organic matters in the tank with microorganisms and dissolved oxygen. In this embodiment, one or more fans 36 may be provided, and in order to improve the aeration effect, the air outlet side of the fan 36 is directed to the substrate for aeration.
Further, organic matter anaerobic treatment device 2 includes UASB reaction tank 21, the water inlet intercommunication of UASB reaction tank 21 the delivery port of preprocessing device 1, the delivery port intercommunication of UASB reaction tank the water inlet of biological reaction unit 3, UASB reaction tank 21 with preprocessing device 1's junction is equipped with the UASB reactor, the UASB reactor is used for decomposing the organic matter in the waste water.
The UASB reactor firstly hydrolyzes long-chain macromolecular organic matters such as protein, starch and the like in the wastewater into medium-short chain organic matters, and then the medium-short chain organic matters are subjected to acidification, acetic acid production, methanation and other stages, so that the macromolecular organic matters are thoroughly decomposed and removed. Specially domesticated obligate anaerobic bacteria YXM-05 are added into the UASB, so that the special domesticated obligate anaerobic bacteria has a particularly good effect of removing pollutants in the kitchen wastewater. The complex organic matters in the wastewater are thoroughly decomposed into methane and CO in the reactor 2 And H 2 O 2 And the gas is purified and then is discharged or recycled by high-altitude combustion.
Further, the pretreatment device 1 comprises a grating 11, an adjusting tank 12 and an air-flotation oil separation tank 13 which are connected in sequence, a water outlet of the air-flotation oil separation tank 13 is communicated with a water inlet of the organic matter anaerobic treatment device 2, and the grating 11 is arranged at the water inlet of the pretreatment device 1 and used for isolating residues in wastewater.
Specifically, the filtering precision of the grating 11 is B, wherein B is less than or equal to 1mm.
The waste water is collected and then firstly passes through the grating 11, the regulating tank 12 and the air-floating oil separation tank 13, and it should be noted that the grating slag generated by intercepting through the grating 11 can be regularly cleaned after being extruded by the screw extruder, so that the influence of excessive accumulation of the grating slag on the water outlet effect is avoided. The effluent of the oil separation tank enters an adjusting tank 12, and the floating oil is collected and then treated uniformly; the effluent of the regulating tank 12 enters an air-flotation oil separation tank 13 and then enters subsequent biochemical treatment, suspended matters and residual floating oil in the water are effectively removed, and besides a coagulant and a coagulant aid, a microbial flocculant is added into the air-flotation oil separation tank 13, so that the separation effect is improved.
Further, the sterilizing device 4 comprises an NAClO generator 41, and the NAClO generator 41 is used for adding NAClO into the kitchen waste wastewater.
The wastewater treated by NaClO can reach the discharge standard, can be discharged from the kitchen waste wastewater system, and cannot pollute the environment.
It is worth to say that the kitchen waste wastewater treatment method is provided with an intelligent control system, and the intelligent control system comprises an online parameter monitoring and information acquisition system, an Artificial Intelligence (AI) decision-making system and an intelligent control automatic regulation system, wherein the AI decision-making system and the intelligent control automatic regulation system are fused with a kitchen waste wastewater treatment model and experience parameters.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. The kitchen waste wastewater treatment system is characterized by comprising:
the pretreatment device is used for treating residues and oil stains in the wastewater;
the water inlet of the organic matter anaerobic treatment device is communicated with the water outlet of the pretreatment device, and the organic matter anaerobic treatment device is used for decomposing complex organic matters in the wastewater;
the water inlet of the biological reaction device is communicated with the water outlet of the organic matter anaerobic treatment device, and the biological reaction device is used for carrying out biological treatment on the wastewater; and the number of the first and second groups,
and the water inlet of the disinfection device is communicated with the water outlet of the biological reaction device to disinfect the wastewater.
2. The kitchen waste wastewater treatment system according to claim 1, wherein said biological reaction device comprises:
the water outlet of the second pool is communicated with the water inlet of the disinfection device;
a facultative material disposed within said first tank;
the ceramic MBR membrane is arranged in the second tank; and the number of the first and second groups,
activated sludge disposed in the first tank and the second tank.
3. The kitchen waste and wastewater treatment system of claim 2, wherein said bioreactor further comprises a first channel, a second channel and a third channel, said first channel and said second channel are connected with said first tank and said second tank, said first channel, said second channel, said first tank and said second tank together form a circulation loop for circulating said activated sludge, and said third channel is connected with said second tank and said disinfection device for discharging wastewater.
4. The kitchen waste and wastewater treatment system of claim 3, wherein said second tank includes:
the inorganic membrane is arranged at the joint of the third channel and the disinfection device and is used for intercepting microorganisms in the wastewater from entering the disinfection device;
the suction pump is arranged at the joint of the third channel and the disinfection device and is used for pumping the wastewater from the second pool to the disinfection device;
the backwashing pump is used for introducing clean water to flush the inorganic membrane so as to strip suspended sludge deposited on the surface of the inorganic membrane; and the number of the first and second groups,
and the medicine washing pump is arranged in the second tank and is used for washing and adding the medicine to the inorganic membrane.
5. The kitchen waste wastewater treatment system according to claim 4, wherein the inorganic membrane is a flat submerged inorganic membrane, the surface of the flat submerged inorganic membrane is loaded with super-hydrophilic materials, the flat submerged inorganic membrane is provided with a plurality of holes, the aperture of each hole is A, and A is greater than or equal to 50nm and less than or equal to 100nm.
6. The kitchen waste and wastewater treatment system according to claim 2, wherein the biological reaction device further comprises a fan, an air outlet side of the fan is arranged towards the substrate, and the fan is used for performing aeration treatment on the first tank and the second tank.
7. The kitchen waste and wastewater treatment system according to claim 1, wherein the organic matter anaerobic treatment device comprises a UASB reaction tank, a water inlet of the UASB reaction tank is communicated with a water outlet of the pretreatment device, a water outlet of the UASB reaction tank is communicated with a water inlet of the biological reaction device, a UASB reactor is arranged at a joint of the UASB reaction tank and the pretreatment device, and the UASB reactor is used for decomposing organic matters in wastewater.
8. The kitchen waste and wastewater treatment system according to claim 1, wherein the pretreatment device comprises a grating, a regulating tank and an air floatation oil separation tank which are connected in sequence, a water outlet of the air floatation oil separation tank is communicated with a water inlet of the organic matter anaerobic treatment device, and the grating is arranged at a water inlet of the pretreatment device and used for isolating residues in wastewater.
9. The kitchen waste and wastewater treatment system according to claim 8, wherein the filtration precision of the grating is B, wherein B is less than or equal to 1mm.
10. The kitchen waste wastewater treatment system according to claim 1, wherein the disinfection device comprises a NaClO generator, and the NaClO generator is used for adding NaClO into the kitchen waste wastewater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221264628.9U CN217947891U (en) | 2022-05-24 | 2022-05-24 | Kitchen garbage effluent disposal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221264628.9U CN217947891U (en) | 2022-05-24 | 2022-05-24 | Kitchen garbage effluent disposal system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217947891U true CN217947891U (en) | 2022-12-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114956454A (en) * | 2022-05-24 | 2022-08-30 | 深圳垚鑫淼环境科技有限公司 | Kitchen waste wastewater treatment system and treatment method |
| CN115594367A (en) * | 2022-12-08 | 2023-01-13 | 深圳垚鑫淼环境科技有限公司（Cn） | Wastewater treatment method and wastewater treatment system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114956454A (en) * | 2022-05-24 | 2022-08-30 | 深圳垚鑫淼环境科技有限公司 | Kitchen waste wastewater treatment system and treatment method |
| CN115594367A (en) * | 2022-12-08 | 2023-01-13 | 深圳垚鑫淼环境科技有限公司（Cn） | Wastewater treatment method and wastewater treatment system |
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