Low-energy-consumption low-carbon-source denitrification device for landfill leachate

Abstract

The utility model discloses a low energy consumption low carbon source denitrification device for landfill leachate, which comprises a UASB (Upflow Anaerobic Sludge Blanket) reactor, a pretreatment mechanism is arranged at the water inlet end of the UASB reactor, an A / O (Anaerobic / Oxic) reactor is arranged at the water outlet end of the UASB reactor, the water outlet end of the A / O reactor is connected with an MBR (Membrane Biological Reactor) reactor, the pretreatment mechanism comprises a pretreatment tank, and the pretreatment tank is connected with the A / O reactor. A U-shaped frame is fixedly connected to the top of the pretreatment tank, moving tooth grooves are formed in the bottom surfaces of the inner walls of the two sides of the U-shaped frame, a moving seat is arranged in the U-shaped frame, guide seats are fixedly connected to the two ends of the moving seat, guide rods are arranged in the two guide seats, and driving gears are rotatably connected to the interiors of the guide seats; belongs to the technical field of wastewater treatment. According to the low-energy-consumption and low-carbon-source denitrification device for the landfill leachate, the UASB reactor, the A / O reactor, the MBR reactor and the pretreatment mechanism are used for combined treatment of wastewater, the overall energy consumption is low, denitrification and carbon removal can be effectively achieved, and the treatment effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste water treatment technical field, concretely is landfill leachate low energy consumption low carbon source denitrification device. BACKGROUND

[0002] Garbage wastewater is rich in organic pollutants, and the wastewater needs to be treated before being discharged to meet the discharge requirements, and the wastewater treatment device in the prior art has unsatisfactory treatment effect on garbage wastewater.

[0003] For example, patent publication number CN206447731U, specifically kitchen garbage wastewater treatment phosphorus removal device, including reactor and magnesium salt adding device, the reactor is inoculated with aerobic activated sludge, the reactor upper portion is equipped with water inlet and magnesium salt feeding port, the water inlet of reactor is connected to the water outlet of anaerobic treatment device through water inlet pipeline, the water inlet pipeline is equipped with water inlet pump;The reaction zone of reactor inner lower portion is equipped with aeration device, the upper portion of reactor is equipped with inclined plate separation device, the inclined plate separation device upper portion is connected to the water outlet of reactor;The bottom of reactor is equipped with the sludge discharge pipeline connected to the inlet of inclined plate sedimentation device, the sludge discharge pipeline is equipped with sludge pump, the upper water outlet of inclined plate sedimentation device is backflowed to the reactor through backflow pipeline, the kitchen garbage wastewater treatment phosphorus removal device provided by the utility model has simple structure, convenient operation, and has good phosphorus removal effect on kitchen garbage wastewater, but there is the problem that the wastewater treatment device has unsatisfactory treatment effect on garbage wastewater. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides landfill leachate low energy consumption low carbon source denitrification device, solves the problem of unsatisfactory treatment effect of wastewater treatment device on garbage wastewater.

[0005] To achieve the above object, the utility model realizes through the following technical scheme: landfill leachate low energy consumption low carbon source denitrification device, including UASB reactor, the water inlet end of UASB reactor is equipped with pretreatment mechanism, the water outlet end of UASB reactor is equipped with A / O reactor, the water outlet end of A / O reactor is connected with MBR reactor;

[0006] The pretreatment mechanism includes a pretreatment tank, a U-shaped frame is fixedly connected to the top of the pretreatment tank, mobile tooth grooves are formed in the bottom surfaces of the inner walls of the two sides of the U-shaped frame, a moving seat is arranged in the U-shaped frame, guide seats are fixedly connected to the two ends of the moving seat, guide rods are arranged in the guide seats, drive gears are rotatably connected to the guide seats, moving motors are fixedly connected to the ends of the drive gears, a stand is fixedly connected to the top end of the moving seat, a lifting screw rod is rotatably connected to the stand, a lifting motor is fixedly connected to the top end of the lifting screw rod, an L-shaped lifting frame is threadedly connected to the lifting screw rod, an oil blowing seat is fixedly connected to the bottom end of the L-shaped lifting frame, an oil blowing nozzle is formed in the oil blowing seat, an oil suction pump is arranged on one side of the pretreatment tank, and an oil collecting tank is arranged on one side of the oil suction pump.

[0007] Preferably, the mobile tooth groove is engaged with the drive gear, and the drive gear is fixedly connected with the output shaft of the moving motor, so that the drive gear can move along the mobile tooth groove when rotating.

[0008] Preferably, the guide rod is fixedly installed in the U-shaped frame, and the guide rod is slidably connected with the guide seat, so as to guide the movement of the guide seat.

[0009] Preferably, the L-shaped lifting frame is slidably connected with the stand at the top end, and the L-shaped lifting frame is detachably connected with the oil blowing seat, so as to facilitate the installation and replacement of the oil blowing seat.

[0010] Preferably, the oil blowing seat is connected with an air pipe at the end, and the air pipe is connected with an oil blowing fan at the end, so that the oil blowing fan can continuously introduce flowing air into the oil blowing seat, and the oil floating on the surface of the wastewater can be blown to one side.

[0011] Preferably, the oil suction pipe is connected with an oil suction pipe at the end, and the oil suction pipe is inserted into the pretreatment tank, so that the oil suction pump and the oil suction pipe can be used to suck out the concentrated oil.

[0012] Preferably, the A / O reactor includes an anaerobic tank, an aerobic tank and a sedimentation tank, and the anaerobic tank, the aerobic tank and the sedimentation tank are connected through pipelines, so as to efficiently treat the organic matter and ammonia nitrogen in the wastewater.

[0013] Preferably, the MBR reactor includes an aerobic reactor, the aerobic reactor is provided with a membrane assembly, a fan is arranged on one side of the aerobic reactor, and an aeration pipe is connected to the end of the fan, so as to realize efficient solid-liquid separation.

[0014] The garbage leachate low-energy-consumption low-carbon-source denitrification device provided by the utility model has the following beneficial effects compared with the prior art:

[0015] 1. The garbage leachate low-energy low-carbon source denitrification device, wastewater is combinedly treated through the UASB reactor, the A / O reactor, the MBR reactor and the pretreatment mechanism, the overall energy consumption is low, nitrogen and carbon can be effectively removed, and the treatment effect is improved.

[0016] 2. The garbage leachate low-energy low-carbon source denitrification device, the oil blowing seat is sent to the liquid surface through the lifting motor, and the moving motor drives the moving seat to move, the oil blowing fan continuously blows air into the oil blowing seat during the moving process, the oil floating on the liquid surface is blown to one side for concentration, and then the oil suction pump sucks the concentrated oil into the oil collecting tank through the oil suction pipe for collection, so that the oil can be conveniently collected and treated. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the utility model;

[0018] Figure 2 It is a pretreatment mechanism structure schematic view of the utility model;

[0019] Figure 3 It is a connecting structure schematic view between the U-shaped frame and the moving seat of the utility model;

[0020] Figure 4 It is a MBR reactor structure schematic view of the utility model.

[0021] In the drawing: 1, UASB reactor; 2, pretreatment mechanism; 201, pretreatment pool; 202, U-shaped frame; 203, moving tooth groove; 204, moving seat; 205, guide seat; 206, guide rod; 207, driving gear; 208, moving motor; 209, stand; 210, lifting screw; 211, lifting motor; 212, L-shaped lifting frame; 213, oil blowing seat; 214, oil suction pump; 215, oil collecting tank; 3, A / O reactor; 4, MBR reactor; 401, aerobic reactor; 402, membrane assembly; 403, fan; 404, aeration pipe. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] Please refer to Figures 1-3The utility model provides a technical scheme: garbage leachate low energy consumption low carbon source denitrification device, including UASB reactor 1, UASB reactor 1 utilizes anaerobe and produces marsh gas with organic matter decomposition, in this process, organic matter can be converted into marsh gas and sediment efficiently, thereby realizes the pretreatment and energy recovery of wastewater, and the water inlet end of UASB reactor 1 is equipped with pretreatment mechanism 2, and the water outlet end of UASB reactor 1 is equipped with A / O reactor 3, and A / O reactor 3 includes anaerobic tank, aerobic tank and sedimentation tank, and the anaerobic tank, the aerobic tank and the sedimentation tank are connected through the pipeline, and the organic matter and ammonia nitrogen in wastewater are removed efficiently by using the microbial metabolism under different aerobic and anoxic environment, can satisfy the requirement of wastewater carbon removal and nitrogen removal simultaneously, thereby reaches the discharge standard, and the water outlet end of A / O reactor 3 is connected with MBR reactor 4, and MBR reactor 4 can remove the organic matter, microorganism and dissolved salt in wastewater more thoroughly, produces high quality regenerated water, simultaneously, the use of MBR reactor 4 can also effectively prevent the pollution and blockage of membrane, guarantees long -term stable operation, and the overall energy consumption is lower, can effectively denitrify and remove carbon, improves the treatment effect.

[0024] The pretreatment mechanism 2 comprises a pretreatment tank 201, the top of the pretreatment tank 201 is fixedly connected with a U-shaped frame 202, the inner wall bottom surfaces of the two sides of the U-shaped frame 202 are both provided with a moving gear slot 203, the U-shaped frame 202 is internally provided with a moving seat 204, the two ends of the moving seat 204 are both fixedly connected with a guide seat 205, the two guide seats 205 are both internally provided with a guide rod 206, the guide rod 206 is fixedly installed in the U-shaped frame 202, the guide rod 206 is in sliding connection with the guide seat 205, so that the movement of the guide seat 205 can be guided, the guide seat 205 is internally rotatably connected with a drive gear 207, the end of the drive gear 207 is fixedly connected with a moving motor 208, the moving motor 208 is a step motor, can be self-locked, improves the stability, the moving gear slot 203 is in mesh with the drive gear 207, the drive gear 207 is fixedly connected with the output shaft of the moving motor 208, so that when the drive gear 207 rotates, the drive gear 207 can move along the moving gear slot 203, the moving seat 204 is fixedly connected with a stand 209 at the top end, the stand 209 is rotatably connected with a lifting screw 210 inside, the lifting screw 210 is fixedly connected with a lifting motor 211 at the top end, the lifting screw 210 is threadedly connected with an L-shaped lifting frame 212, the L-shaped lifting frame 212 is fixedly connected with an oil blowing seat 213 at the bottom end, the L-shaped lifting frame 212 is in sliding connection with the stand 209 at the top end, the L-shaped lifting frame 212 is detachably connected with the oil blowing seat 213, so that the oil blowing seat 213 can be conveniently installed and replaced, the oil blowing seat 213 is connected with an air pipe at the end, the air pipe is connected with an oil blowing fan at the end, the oil blowing fan can continuously introduce flowing air into the inside of the oil blowing seat 213, the oil floating on the surface of the wastewater can be blown to one side, the oil blowing nozzle is arranged on the oil blowing seat 213, the pretreatment tank 201 is provided with an oil suction pump 214 on one side, the oil suction pump 214 is connected with an oil suction pipe at the end, the oil suction pipe can be installed with an electric push rod on one side, so that the nozzle of the oil suction pipe can be aligned with the liquid level at different heights, and manual adjustment can also be performed, the end of the oil suction pipe extends into the inside of the pretreatment tank 201, so that the concentrated oil can be sucked out by the oil suction pump 214 and the oil suction pipe, and the oil suction pump 214 is provided with an oil collecting tank 215 on one side, so that the oil can be concentrated and collected.

[0025] Please refer to Figure 1 and Figure 4 , the MBR reactor 4 comprises an aerobic reactor 401, the inside of the aerobic reactor 401 is provided with a membrane assembly 402, the membrane assembly 402 is a microporous filtration membrane, can retain the suspended solids, colloids and microorganisms in the wastewater inside the membrane, realizes efficient solid-liquid separation, one side of the aerobic reactor 401 is provided with a fan 403, the end of the fan 403 is connected with an aeration pipe 404, can realize efficient solid-liquid separation, and the organic matter, microorganisms and dissolved salts in the wastewater can be more thoroughly removed, to produce high-quality reclaimed water, at the same time, the use of the MBR reactor 4 can also effectively prevent the pollution and blockage of the membrane, to ensure long-term stable operation.

[0026] In operation, the lifting motor 211 drives the lifting screw 210 to rotate, the lifting screw 210 drives the L-shaped lifting frame 212 to move, the L-shaped lifting frame 212 drives the oil blowing seat 213 to move, the oil blowing seat 213 is sent to the liquid surface, and the moving motor 208 drives the driving gear 207 to rotate, the driving gear 207 rotates and rolls along the moving gear slot 203, so as to drive the moving seat 204 to move, in the moving process, the oil blowing fan continuously blows air into the oil blowing seat 213, the oil floating on the liquid surface is blown to one side to be concentrated, then the oil suction pump 214 sucks the concentrated oil into the oil collecting tank 215 through the oil suction pipe to collect and process the oil;

[0027] Then the UASB reactor 1 utilizes anaerobic bacteria to decompose organic matter to produce biogas, in this process, the organic matter can be efficiently converted into biogas and sediment, so as to realize the pretreatment of wastewater and energy recovery, the A / O reactor 3 utilizes the metabolism of microorganisms under different aerobic and anoxic environments to efficiently remove organic matter and ammonia nitrogen in wastewater, which can simultaneously meet the requirements of carbon and nitrogen removal of wastewater, so as to reach the emission standard, the MBR reactor 4 can more thoroughly remove organic matter, microorganisms and dissolved salt in wastewater to produce high-quality reclaimed water, at the same time, the use of the MBR reactor 4 can also effectively prevent the pollution and blockage of the membrane to ensure long-term stable operation, the overall energy consumption is low, which can effectively remove nitrogen and carbon, improve the treatment effect.

[0028] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

Claims

1. A low-energy and low-carbon source denitrification device for landfill leachate, characterized in that: The application relates to a UASB reactor (1) which is provided with a pretreatment mechanism (2) at the water inlet end and an A / O reactor (3) at the water outlet end, and the water outlet end of the A / O reactor (3) is connected with an MBR reactor (4); ​ The pretreatment mechanism (2) comprises a pretreatment pool (201), the top of the pretreatment pool (201) is fixedly connected with a U-shaped frame (202), the inner walls of the two sides of the U-shaped frame (202) are both provided with moving tooth grooves (203), the U-shaped frame (202) is provided with a moving seat (204) in the inside, the two ends of the moving seat (204) are both fixedly connected with guide seats (205), the inside of the two guide seats (205) is both provided with guide rods (206), the inside of the guide seat (205) is rotatably connected with a driving gear (207), the end of the driving gear (207) is fixedly connected with a moving motor (208), the top end of the moving seat (204) is fixedly connected with a vertical frame (209), the vertical frame (209) is rotatably connected with a lifting screw rod (210) in the inside, the top end of the lifting screw rod (210) is fixedly connected with a lifting motor (211), the lifting screw rod (210) is threadedly connected with an L-shaped lifting frame (212) on the top end, the bottom end of the L-shaped lifting frame (212) is fixedly connected with an oil blowing seat (213), the oil blowing seat (213) is provided with an oil blowing nozzle, one side of the pretreatment pool (201) is provided with an oil suction pump (214), and one side of the oil suction pump (214) is provided with an oil collecting tank (215).

2. The low-energy and low-carbon source denitrification device for landfill leachate according to claim 1, characterized in that: The moving tooth grooves (203) are engaged with the driving gear (207), and the driving gear (207) is fixedly connected with the output shaft of the moving motor (208).

3. The low-energy and low-carbon source denitrification device for landfill leachate according to claim 1, characterized in that: The guide rods (206) are fixedly installed in the inside of the U-shaped frame (202) and are slidably connected with the guide seats (205).

4. The low-energy and low-carbon source denitrification device for landfill leachate according to claim 1, characterized in that: The top end of the L-shaped lifting frame (212) is slidably connected with the vertical frame (209), and the L-shaped lifting frame (212) is detachably connected with the oil blowing seat (213).

5. The low-energy and low-carbon source denitrification device for landfill leachate according to claim 1, characterized in that: The end of the oil blowing seat (213) is connected with an air pipe, and the end of the air pipe is connected with an oil blowing fan. 6.The device for denitrification of landfill leachate with low energy consumption and low carbon source according to claim 1, characterized in that: The end of the oil suction pump (214) is connected with an oil suction pipe, and the end of the oil suction pipe extends into the inside of the pretreatment pool (201).

7. The low-energy and low-carbon source denitrification device for landfill leachate according to claim 1, characterized in that: The A / O reactor (3) comprises an anaerobic pool, an aerobic pool and a sedimentation pool, and the anaerobic pool, the aerobic pool and the sedimentation pool are connected through pipelines. 8.The device according to claim 1, characterized in that: The MBR reactor (4) comprises an aerobic reactor (401), the inside of the aerobic reactor (401) is provided with a membrane assembly (402), one side of the aerobic reactor (401) is provided with a fan (403), and the end of the fan (403) is connected with an aeration pipe (404).

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