CN216549799U - Landfill leachate nitration treatment device - Google Patents
Landfill leachate nitration treatment device Download PDFInfo
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- CN216549799U CN216549799U CN202122853941.8U CN202122853941U CN216549799U CN 216549799 U CN216549799 U CN 216549799U CN 202122853941 U CN202122853941 U CN 202122853941U CN 216549799 U CN216549799 U CN 216549799U
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- microorganism
- landfill leachate
- loading box
- carrier loading
- nitrification
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model provides a landfill leachate nitration treatment device, comprising: the bottom of the microorganism nitrification tank is fixedly provided with a bearing pier; the microorganism carrier loading box is arranged at the top of the bearing pier; the microporous aeration head is positioned below the microorganism carrier loading box; the lower end of the gas transmission pipeline is connected with the microporous aeration head; the aeration fan is positioned outside the microorganism nitrification tank, and an air outlet of the aeration fan is connected with the upper end of the gas transmission pipeline; the submersible sewage pump coupler is fixedly arranged above the bearing pier; the coupling guide rail is fixedly connected with the submersible sewage pump coupler; the sewage submersible pump is connected with the coupling guide rail in a sliding manner. The utility model has the advantages that: the garbage percolate flows into a microorganism nitrification tank, and microorganisms in a microorganism carrier loading box perform nitrification treatment on the garbage percolate so as to effectively purify water; the micro-pore aeration head generates micro-bubbles to provide air for the microorganisms, improve the activity of the microorganisms, effectively shorten the nitration treatment time and improve the nitration treatment efficiency.
Description
Technical Field
The utility model relates to the technical field of landfill leachate treatment, in particular to a landfill leachate nitration treatment device.
Background
The landfill leachate is high-concentration wastewater which is formed by deducting the saturated water holding capacity of garbage and a soil covering layer from water contained in the garbage in a garbage landfill, rain, snow and water entering the landfill and other water and passing through the garbage layer and the soil covering layer. The landfill leachate is high-concentration organic wastewater with complex components, high pollutant concentration, large chromaticity and strong toxicity, is a recognized problem in the water treatment industry at present, contains a large amount of organic pollutants and various heavy metal pollutants, and if the landfill leachate is not properly treated, the quality of surface water is affected and the safety of underground water is also endangered.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a nitrification treatment device for garbage leachate, which collects the garbage leachate and adopts microorganisms to perform nitrification treatment, thereby improving the nitrification treatment efficiency.
The utility model is realized by the following steps: a landfill leachate nitration treatment device comprises:
the bottom of the microorganism nitrification tank is fixedly provided with a bearing pier;
the microorganism carrier loading box is arranged at the top of the bearing pier;
the micro-porous aeration head is positioned below the microorganism carrier loading box;
the lower end of the gas transmission pipeline is connected with the microporous aeration head;
the aeration fan is positioned outside the microorganism nitrification tank, and an air outlet of the aeration fan is connected with the upper end of the gas transmission pipeline;
the submersible sewage pump coupler is fixedly arranged above the bearing pier;
the coupling guide rail is fixedly connected with the submersible sewage pump coupler;
the sewage submersible pump is connected with the coupling guide rail in a sliding way;
and the infusion pipeline is communicated with the submersible sewage pump coupler.
Further, still include: the liquid inlet is arranged at the top of the microorganism nitrification tank, and the electric valve is arranged on the liquid inlet.
Further, still include: the liquid level switch controller is fixedly arranged above the bearing pier and electrically connected with the control system, and the control system is electrically connected with the submersible sewage pump.
Further, the aeration fan is a rainproof aeration fan.
Further, the microorganism carrier loading box stores the nitrifying bacteria carriers.
Furthermore, a plurality of the bearing piers are arranged at intervals, four corner ends of each microorganism carrier loading box are placed on the four bearing piers, and the microporous aeration head is arranged below each microorganism carrier loading box.
The utility model has the advantages that: 1. the garbage percolate flows into a microorganism nitrification tank, and microorganisms in a microorganism carrier loading box perform nitrification treatment on the garbage percolate so as to effectively purify water; the micro-pore aeration head generates micro-bubbles to provide air for the microorganisms, improve the activity of the microorganisms, effectively shorten the nitration treatment time and improve the nitration treatment efficiency. 2. The submersible sewage pump moves up and down along the coupling guide rail, and the submersible sewage pump is conveniently taken out for cleaning and maintenance. 3. The submerged sewage pump discharges the nitrified landfill leachate from the microorganism nitrifying tank, and when the liquid level drops to the position of the liquid level switch controller, the liquid level switch controller generates a feedback signal to control the submerged sewage pump to stop running.
Drawings
The utility model will be further described with reference to the following examples with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of a landfill leachate nitration treatment device of the present invention.
FIG. 2 is a schematic diagram of the distribution of the microporous aeration heads in the microbial nitrification tank.
FIG. 3 is a schematic diagram of the distribution of the microorganism carrier loading boxes in the microorganism nitrification tank.
FIG. 4 is a schematic view showing the structure of a microorganism carrier-loading cassette in the present invention.
Detailed Description
The embodiment of the utility model provides a nitrification treatment device for landfill leachate, which solves the defect that the landfill leachate is difficult to treat in the prior art, realizes nitrification treatment by adopting microorganisms, and effectively shortens the nitrification treatment time.
In order to solve the above disadvantages, the technical solution in the embodiment of the present invention has the following general idea: in the microorganism nitrifying pool, a microorganism carrier loading box is placed, microorganisms in the microorganism carrier loading box nitrify the garbage percolate, and a micropore aeration head provides air for the microorganisms, so that the activity of the microorganisms is greatly improved, the nitrifying time is effectively shortened, and the nitrifying efficiency is improved.
For better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the embodiments.
Referring to fig. 1 to 4, a preferred embodiment of the present invention.
A landfill leachate nitration treatment device comprises: the bottom of the microorganism nitrification tank 1 is fixedly provided with a bearing pier 11; the microorganism nitrification tank 1 is made of materials with corrosion resistance and light transmittance avoidance, such as a concrete structure or a plastic material. Taking the daily treatment of 15 cubic meters of landfill leachate as an example, the construction specification of the microorganism nitrification tank 1 is as follows: 3.3m 2.8m 5m, the retention time of the landfill leachate in the nitrification tank is based on the concentration of the sewage and the required treatment standard. Typical residence times for the secondary treatment range from 24 hours to 36 hours, and typical residence times for the primary treatment range from 30 hours to 48 hours. The construction size of the nitrification tank is determined according to the daily garbage percolate sewage quantity to be treated by taking the sewage as a standard.
The microorganism carrier loading box 2 is arranged at the top of the bearing pier 11; the specification of the microorganism carrier loading box 2 is 800mm 500mm 100mm glass fiber reinforced plastic material or equivalent corrosion-resistant material, the surface aperture of the microorganism carrier loading box 2 is less than or equal to 8mm, under the premise of ensuring that the microorganisms in the loading box do not leak, the microorganism carrier fully contacts the air released by the microporous aeration head 3, so that the activity of the microorganisms in the carrier is greatly improved, the proliferation of the microorganisms is accelerated, and the substances such as ammonia nitrogen, BOD, COD, SS, nitrate radical, sulfate radical, chromaticity, odor, toxic substances, chemical combination pollutants and the like in the nitrified garbage percolate are obtained, thereby achieving the purpose of purifying water quality.
A microporous aeration head 3 positioned below the microorganism carrier loading box 2; micropore aeration head 3 is industrial sewage, municipal sewage biochemical treatment in-process neotype micropore aeration equipment, and single air flow is big, and the bottom resistance is low, and the lifting capacity is strong, and it is efficient to oxygenate. The most main part of the device, namely the 'membrane', is provided with a large number of holes, and the holes are opened during air supply to form micro bubbles 31; when the wind stops, the holes are automatically closed, so that sewage and sundries are prevented from entering the pipeline, and the aeration head is prevented from being blocked.
The lower end of the gas transmission pipeline 4 is connected with the microporous aeration head 3; the aeration fan 5 is positioned outside the microorganism nitrification tank 1, and an air outlet of the aeration fan 5 is connected with the upper end of the gas transmission pipeline 4; the aeration fan 5 blows the outside air into the microporous aeration head 3 through the air transmission pipeline 4. The aeration fan 5 is a rain-proof aeration fan 5. Aeration is a means of bringing air into strong contact with water, and is aimed at dissolving oxygen in the air in water or expelling unnecessary gases and volatile substances in the water into the air. In other words, it is a means of facilitating mass exchange between gas and liquid. It also has other important functions such as mixing and stirring. Oxygen in the air is transferred into water through aeration, and the oxygen is transferred from gas phase to liquid phase through mass transfer, so that organic matters in the sewage are oxidized and decomposed.
The submersible sewage pump coupler 6 is fixedly arranged above the bearing pier 11; submersible sewage pump coupler 6 is a prior art device. The coupling guide rail 7 is fixedly connected with the submersible sewage pump coupler 6; the sewage submersible pump 8 is connected with the coupling guide rail 7 in a sliding way; and the infusion pipeline 9 is communicated with the submersible sewage pump coupler 6. The submersible sewage pump 8 can move up and down along the coupling guide rail 7, a rope is arranged on the submersible sewage pump 8, and a worker pulls up or puts down the submersible sewage pump 8 through the rope. When the submersible sewage pump 8 moves downwards to the lower end of the coupling guide rail 7, the submersible sewage pump 8 is connected with the submersible sewage pump coupler 6, and when the submersible sewage pump 8 works, liquid which is nitrified in the microorganism nitrification tank 1 is absorbed and then pumped to the submersible sewage pump coupler 6 and the liquid conveying pipeline 9, so that the liquid is discharged out of the microorganism nitrification tank 1. The other end of the transfusion pipeline 9 is communicated with the subsequent MBR membrane tank. When the submersible sewage pump 8 needs to be cleaned and maintained, a worker pulls up the submersible sewage pump 8, the submersible sewage pump 8 moves upwards to the upper end of the coupling guide rail 7, and the submersible sewage pump 8 is taken out.
An electric valve 12, wherein a liquid inlet is arranged at the top of the microorganism nitrification tank 1, and the electric valve 12 is arranged on the liquid inlet. The liquid level switch controller 13 is fixedly arranged above the bearing pier 11, the liquid level switch controller 13 is electrically connected with the control system, and the control system is electrically connected with the submersible sewage pump 8. The control system is provided with a timer, and the timer records the time of nitration treatment; after the garbage leachate sewage is fully nitrified in the nitrifying tank, the timer controls the submersible sewage pump 8 to be started, and nitrified liquid is pumped into a subsequent MBR membrane tank for treatment. When the submersible sewage pump 8 is started, the control system controls the valve of the liquid inlet to be automatically closed so as to ensure that the liquid treated in the microorganism nitrification tank 1 cannot be mixed with untreated sewage. When the liquid to be nitrified is pumped to a set water level line, namely the position of the liquid level switch controller 13, the liquid level switch controller 13 feeds back the liquid to the control system, the control system stops the operation of the submersible sewage pump 8, the electric valve 12 of the liquid inlet is opened, the garbage percolate is injected into the microorganism nitrification tank 1, and the microorganism nitrifies the garbage percolate to reciprocate.
The microorganism carrier loading box 2 is used for storing nitrifying bacteria carriers. Nitrifying bacteria are a group of aerobic bacteria, including nitrite bacteria and nitrate bacteria, live in aerobic water or sand layers and play an important role in the purification process of nitrogen circulation water quality. Preferably, the microorganism carrier loading box 2 stores a planting type microorganism carrier, which comprises 10 species of beneficial microorganisms such as photosynthetic bacteria, saccharomycetes, lactic acid bacteria, acetic acid bacteria, bifidobacteria, actinomycetes and bacillus, and the like, and the beneficial microorganisms are mixed, cultured and symbiotically combined to form a powerful planting type carrier.
The plurality of bearing piers 11 are arranged at intervals, four corner ends of each microorganism carrier loading box 2 are placed on the four bearing piers 11, and the microporous aeration head 3 is arranged below each microorganism carrier loading box 2. The microorganism carrier loading boxes 2 are uniformly distributed at the bottom of the microorganism nitrification tank 1, and the microporous aeration heads 3 are correspondingly distributed below the microorganism carrier loading boxes 2, so that the activity of microorganisms in each microorganism carrier loading box 2 is improved, and the landfill leachate is subjected to nitrification treatment more fully.
The utility model relates to a landfill leachate nitration treatment device, which has the working mode that: firstly, a microorganism carrier loading box 2 is placed on a bearing pier 11 in a microorganism nitrification tank 1, an electric valve 12 is opened by a control system, garbage percolate enters the microorganism nitrification tank 1 from a liquid inlet, an aeration fan 5 is started, a micro-pore aeration head 3 generates micro-bubbles 31 to provide air for microorganisms in the loading box, the activity of the microorganisms is improved, the microorganisms carry out nitrification treatment on the garbage percolate, and at the moment, the electric valve 12 is closed by the control system; the timer of the control system starts timing, when the preset nitrification time is reached, the control system controls the submersible sewage pump 8 to start, the nitrified liquid in the microorganism nitrification tank 1 is discharged from the liquid conveying pipeline 9, the liquid level of the microorganism nitrification tank 1 continuously descends along with the continuous decline of the liquid level, when the liquid level reaches the position of the liquid level switch controller 13, the liquid level switch controller 13 feeds back a signal to the control system, the control system controls the submersible sewage pump 8 to stop working, and simultaneously, the electric valve 12 is opened to inject the garbage percolate.
The nitrification treatment device for the landfill leachate of the utility model fixedly plants the specially selected microorganisms on the carrier, so that the microorganisms are highly dense and maintain high biological activity, and are rapidly and massively proliferated under proper conditions, the microporous aeration head provides air, the concentration and the activity of the microorganisms in the carrier are favorably improved, the adverse environmental factor influence can be resisted, the solid-liquid separation after the nitrification reaction is rapid, and the nitrification treatment time is greatly shortened.
Although specific embodiments of the utility model have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the utility model, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the utility model, which is to be limited only by the appended claims.
Claims (6)
1. The utility model provides a landfill leachate nitration processing apparatus which characterized in that includes:
the bottom of the microorganism nitrification tank is fixedly provided with a bearing pier;
the microorganism carrier loading box is arranged at the top of the bearing pier;
the micro-porous aeration head is positioned below the microorganism carrier loading box;
the lower end of the gas transmission pipeline is connected with the microporous aeration head;
the aeration fan is positioned outside the microorganism nitrification tank, and an air outlet of the aeration fan is connected with the upper end of the gas transmission pipeline;
the submersible sewage pump coupler is fixedly arranged above the bearing pier;
the coupling guide rail is fixedly connected with the submersible sewage pump coupler;
the sewage submersible pump is connected with the coupling guide rail in a sliding way;
and the infusion pipeline is communicated with the submersible sewage pump coupler.
2. The nitrification treatment device for landfill leachate according to claim 1, further comprising: the liquid inlet is arranged at the top of the microorganism nitrification tank, and the electric valve is arranged on the liquid inlet.
3. The nitrification treatment device for landfill leachate according to claim 2, further comprising: the liquid level switch controller is fixedly arranged above the bearing pier and electrically connected with the control system, and the control system is electrically connected with the submersible sewage pump.
4. The nitrification treatment apparatus for landfill leachate according to claim 1, wherein the aeration fan is a rain-proof aeration fan.
5. The nitrification treatment apparatus for landfill leachate according to claim 1, wherein the microorganism carrier loading tank stores nitrifying bacteria carriers.
6. The nitrification treatment apparatus for landfill leachate according to claim 1, wherein a plurality of the supporting piers are arranged at intervals, four corner ends of each microorganism carrier loading box are placed on the four supporting piers, and the microporous aeration head is arranged below each microorganism carrier loading box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122853941.8U CN216549799U (en) | 2021-11-19 | 2021-11-19 | Landfill leachate nitration treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122853941.8U CN216549799U (en) | 2021-11-19 | 2021-11-19 | Landfill leachate nitration treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216549799U true CN216549799U (en) | 2022-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122853941.8U Active CN216549799U (en) | 2021-11-19 | 2021-11-19 | Landfill leachate nitration treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216549799U (en) |
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2021
- 2021-11-19 CN CN202122853941.8U patent/CN216549799U/en active Active
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