CN216837330U

CN216837330U - Novel anaerobic reactor

Info

Publication number: CN216837330U
Application number: CN202220215316.2U
Authority: CN
Inventors: 张传兵; 侯亚平; 王杰; 边卫云; 任晓敏; 付志鹏; 何朋英; 王俊; 焦鹏飞; 李雪清; 李雯
Original assignee: Huaxia Bishui Ningxia Environmental Protection Technology Co ltd
Current assignee: Huaxia Bishui Ningxia Environmental Protection Technology Co ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-06-28
Anticipated expiration: 2032-01-26

Abstract

The utility model relates to a novel anaerobic reactor, include the water tank and be hollow structure's reactor, be provided with two baffles in the reactor, two baffles separate into three compartment with reactor internal partitioning, all be provided with the mud of taking the microorganism in the compartment, the delivery port has all been seted up on every baffle, adjacent compartment is linked together through the delivery port, the baffling board of the vertical setting of equal fixedly connected with in the compartment, the equal fixedly connected with guide board in baffling board bottom, all be provided with the filling layer in every upwash chamber, be provided with rabbling mechanism on the reactor, the pivot all rotates through the bearing with the reactor and is connected, the output shaft of motor and one of them pivot fixed connection, adjacent pivot transmission is connected, the equal fixedly connected with puddler of part that the pivot is located the reactor, the top of compartment all communicates there is the blast pipe, the blast pipe all is linked together with the conveyer pipe. The utility model solves the problems of anaerobic reaction dead zone and low sewage treatment efficiency in the prior anaerobic reactor.

Description

Novel anaerobic reactor

Technical Field

The utility model belongs to the technical field of sewage treatment, especially, relate to a novel anaerobic reactor.

Background

The anaerobic biological treatment technology is an efficient sewage treatment mode which is characterized in that organic matters in sewage are decomposed, metabolized and digested by anaerobic bacteria in an anaerobic state, so that the content of the organic matters in the sewage is greatly reduced, and meanwhile, methane is generated. The anaerobic biological treatment process of the sewage has the advantages of low energy consumption, convenient recovery of biological energy and good effect. The anaerobic reactor is equipment for treating sewage by adopting an anaerobic biotechnology, and the ABR reactor is a baffled hydrolysis reactor for short, which is a sewage treatment reactor in a sewage treatment process. The ABR reactor is formed by connecting a plurality of reaction chambers in series, in the sewage treatment process, as sewage to be treated needs to continuously flow from one reaction chamber to the next reaction chamber, anaerobic reaction dead zones are easy to appear in the reaction chambers, and the existence of the anaerobic reaction dead zones means that microorganisms rich in sludge cannot get the opportunity of anaerobic reaction with organic matters in the sewage for a long time, so that the microorganisms in the sludge die, the sludge is wasted, and the sewage treatment efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel anaerobic reactor, there is the anaerobic reaction blind spot in solving current anaerobic reactor, leads to the microorganism death in the mud, causes the waste of mud, has reduced the problem of the treatment effeciency of sewage.

In order to solve the problem, the utility model discloses the technical scheme who takes:

a novel anaerobic reactor comprises a water tank and a reactor with a hollow structure, wherein the top of the water tank is fixedly connected with a water inlet hopper communicated with the water tank, the water inlet hopper is in a funnel shape with a wide upper part and a narrow lower part, a plurality of filter screens are fixedly connected in the water tank from top to bottom in sequence, the pore diameters of the filter screens are sequentially reduced from top to bottom, two clapboards are arranged in the reactor and divide the interior of the reactor into three compartments, the three compartments are respectively a first compartment, a second compartment and a third compartment, sludge with microorganisms is arranged in the first compartment, the second compartment and the third compartment, each clapboard is provided with a water outlet, adjacent compartments are communicated through the water outlets, a first water pump is fixedly connected on the water tank, a water inlet pipe is communicated between the first water pump and the water tank, a water outlet pipe is communicated between the first water pump and the first compartment, the reactor comprises a first compartment, a second compartment and a third compartment, wherein vertically arranged baffle plates are fixedly connected in the first compartment, the second compartment and the third compartment, guide plates are fixedly connected at the bottoms of the baffle plates, the guide plates are arranged in a downward inclined manner, each compartment is divided into a downflow chamber and an upflow chamber by the baffle plates, a filling layer is arranged in each upflow chamber, a stirring mechanism is arranged on the reactor and comprises a motor and three rotating shafts, the motor is fixedly connected at the top of the reactor, the three rotating shafts are vertically arranged and respectively positioned in the first compartment, the second compartment and the third compartment, the rotating shafts are rotatably connected with the reactor through bearings, an output shaft of the motor is fixedly connected with one of the rotating shafts, adjacent rotating shafts are in transmission connection through a belt transmission mechanism, stirring rods are fixedly connected to parts of the rotating shafts positioned in the reactor, exhaust pipes are communicated with the tops of the first compartment, the second compartment and the third compartment, and a conveying pipe is arranged above the reactor, the blast pipe all is linked together with the conveyer pipe, and the one end of conveyer pipe is the blind end, and the other end of conveyer pipe is connected with marsh gas collection device, has seted up the outlet on the third compartment, and outlet department is provided with the drain pipe, and reactor one side still is provided with the setting tank, and the setting tank is linked together with the drain pipe.

Furthermore, one end of the exhaust pipe, which is far away from the delivery pipe, is communicated with a gas-collecting hood, and the bottom end of the gas-collecting hood is higher than the water outlet.

Further, still include sludge recycling mechanism, sludge recycling mechanism includes the sludge recycling pump, and sludge recycling pump fixed connection is on the setting tank, and the intercommunication has into mud pipe between the bottom of mud inlet and the setting tank of sludge recycling pump, and the intercommunication has out the mud pipe between the mud outlet of sludge recycling pump and the first compartment.

Furthermore, the first compartment, the second compartment and the third compartment are all provided with sludge discharge ports, and the sludge discharge ports are all provided with sealing pieces.

Further, a gas flowmeter is arranged on the conveying pipe.

Further, the width of the down flow chamber is smaller than the width of the up flow chamber.

Furthermore, one side of the guide plate, which is far away from the baffle plate, is arranged in a zigzag manner.

Further, the included angle between the guide plate and the horizontal direction is 45 degrees.

Adopt above-mentioned technical scheme, the beneficial effects of the utility model are that:

the utility model provides a be provided with rabbling mechanism on the reactor, the motor drives the pivot and rotates to make the microorganism in sewage and the mud fully contact through the puddler and react, avoid producing the anaerobic reaction blind spot, effectively improve the treatment effect of sewage. One side that the baffling board was kept away from to the guide board is the cockscomb structure, through such setting, and the sewage is more even when intaking to the upwelling room from the bottom that the downwelling room passes through the guide board, and the homogeneity of water distribution makes sewage and the anaerobism activity microorganism in the indoor most mud of upwelling fully contact, ensures treatment effeciency.

Drawings

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

Fig. 2 is a schematic structural diagram of the middle guide plate of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

As shown in fig. 1 and 2, the utility model provides a novel anaerobic reactor, including water tank 1 and the reactor 2 that is hollow structure, 1 top fixedly connected with of water tank is linked together with water tank 1 and is fought 3 into, and it is narrow hourglass hopper-shaped about the width to intake to fight 3, can dismantle a plurality of filter screens 4 of fixedly connected with from last to down in proper order in the water tank 1, and filter screen 4 is used for straining the rubbish in the sewage, and filter screen 4's aperture reduces from last to down in proper order to ensure the filter effect. Be provided with two baffles 5 in the reactor 2, two baffles 5 separate into three compartments with 2 internal portions of reactor, and three compartments are first compartment 6, second compartment 7 and third compartment 8 respectively, all are provided with the mud of taking the microorganism in first compartment 6, second compartment 7 and the third compartment 8, have all seted up delivery port 9 on every baffle 5, and adjacent compartment is linked together through delivery port 9. Fixedly connected with first water pump 10 on the water tank 1, the intercommunication has inlet tube 11 between first water pump 10 and the water tank 1, and the intercommunication has outlet pipe 12 between first water pump 10 and the first compartment 6. First compartment 6, the baffling board 13 of the vertical setting of equal fixedly connected with in second compartment 7 and the third compartment 8, the equal fixedly connected with guide board 14 in baffling board 13 bottom, guide board 14 downward sloping sets up, baffling board 13 separates each compartment for descending the room 15 and ascending a class room 16, all be provided with filling layer 17 in every ascending a class room 16, it is specific, filling layer 17 is including setting up two mesh boards between baffle 5 and baffling board 13, fill the filler between two mesh boards, the filler is the iron carbon filler, can make the partial difficult degradation organic matter decomposition in the sewage through little electrolysis in the filling layer, improve the hydrolytic acidification ability of reactor. Set up the filling layer and can cut off mud, prevent effectively that mud from following the flow of sewage and getting into next compartment in, protection microbial community. Be provided with rabbling mechanism on reactor 2, rabbling mechanism includes motor 18 and three pivot 19, motor 18 fixed connection is at the top of reactor 2, the equal vertical setting of three pivot 19 just is located first compartment 6 respectively, in second compartment 7 and the third compartment 8, pivot 19 all rotates through the bearing with reactor 2 and is connected, motor 18's output shaft and 19 fixed connection of one of them pivot, connect through the transmission of belt drive mechanism between the adjacent pivot 19, the equal fixedly connected with puddler 20 of part that pivot 19 is located reactor 2, thereby can make the abundant contact of microorganism in sewage and the mud react through setting up rabbling mechanism, avoid producing the anaerobism reaction blind spot, effectively improve the treatment effect of sewage. The top of the first compartment 6, the top of the second compartment 7 and the top of the third compartment 8 are all communicated with an exhaust pipe 21, a conveying pipe 22 is arranged above the reactor 2, the exhaust pipes 21 are all communicated with the conveying pipe 22, one end of the conveying pipe 22 is a closed end, and the other end of the conveying pipe 22 is connected with a biogas collecting device, so that biogas generated in the reaction process is collected. A water outlet is formed in the third compartment 8, a water discharge pipe 23 is arranged at the water outlet, a settling tank 24 is further arranged on one side of the reactor 2, the settling tank 24 is communicated with the water discharge pipe 23, the settling tank 24 is large in size, and water discharged from the reactor 2 can be temporarily stored in the settling tank 14. When the device is used, sewage is added into the water tank 1 through the feed hopper 3, then the sewage in the water tank 1 is pumped into the reactor 2 by the first water pump 10, and the sewage flows through the plurality of compartments to react and then enters the settling tank 24.

Furthermore, one end of the exhaust pipe 21, which is far away from the delivery pipe 22, is communicated with a gas collecting hood 25, the bottom end of the gas collecting hood 25 is higher than the water outlet 9, and the gas collecting hood 25 is arranged to increase the gas collecting area and improve the methane collecting efficiency.

Further, the sludge recovery device comprises a sludge recovery mechanism, the sludge recovery mechanism comprises a sludge recovery pump 26, the sludge recovery pump 26 is fixedly connected to the settling tank 24, a sludge inlet pipe 27 is communicated between a sludge inlet of the sludge recovery pump 26 and the bottom of the settling tank 24, and a sludge outlet pipe 28 is communicated between a sludge outlet of the sludge recovery pump 26 and the first compartment 6. When sewage enters the settling tank 24 through each compartment, a small part of sludge still enters the settling tank 24 along with the sewage, and after the sewage is used for a period of time, the sludge settles in the settling tank 24 and is pumped into the reactor 2 through the sludge recovery pump 26, so that the sludge is recycled and the waste is reduced.

Further, all be provided with the mud discharge port on first compartment 6, second compartment 7 and the third compartment 8, can change the mud in reactor 2 through the mud discharge port after using a period, mud discharge port department all is provided with the sealing member, and the sealing member can be dismantled with the mud discharge port and be connected, and is sealed good between sealing member and the mud discharge port.

Further, a gas flow meter 29 is installed on the delivery pipe 22, and the yield of the biogas generated during the reaction in the reactor 2 can be detected in real time through the gas flow meter 29.

Further, the width of the down flow chamber 15 is smaller than the width of the up flow chamber 16, and in one embodiment of the present invention, the width ratio is 1: 3.

furthermore, as shown in fig. 1 and 2, one side of the guide plate 14, which is far away from the baffle plate 13, is arranged in a zigzag manner, compared with a flat plate structure, gaps are left between teeth of the zigzag structure, and when sewage enters the upflow chamber 16 from the downflow chamber 15 through the bottom of the guide plate 14 of the zigzag structure, the water distribution is more uniform rather than a direct flow state when the sewage flows through the flat plate structure, and the uniformity of the water distribution can enable the sewage to be fully contacted with anaerobic active microorganisms in most of sludge in the upflow chamber 16, thereby improving the treatment efficiency.

Further, the guide plate 14 forms an angle of 45 ° with the horizontal direction, and the effect is good.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, but rather is described in the embodiments and descriptions herein to illustrate the principles of the invention and that various changes and modifications may be made without departing from the spirit and scope of the invention, all of which fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents.

Claims

1. A novel anaerobic reactor is characterized in that: comprises a water tank and a reactor with a hollow structure, the top of the water tank is fixedly connected with a water inlet hopper communicated with the water tank, the water inlet hopper is in a funnel shape with a wide upper part and a narrow lower part, a plurality of filter screens are sequentially and detachably connected in the water tank from top to bottom, the aperture of each filter screen is sequentially reduced from top to bottom, two clapboards are arranged in the reactor, the two clapboards separate the inside of the reactor into three compartments, the three compartments are respectively a first compartment, a second compartment and a third compartment, sludge with microorganisms is arranged in the first compartment, the second compartment and the third compartment, a water outlet is arranged on each clapboard, adjacent compartments are communicated through the water outlets, a first water pump is fixedly connected on the water tank, a water inlet pipe is communicated between the first water pump and the water tank, a water outlet pipe is communicated between the first water pump and the first compartment, a vertically arranged baffle plate is fixedly connected in the first compartment, the second compartment and the third compartment, the bottom of the baffle plate is fixedly connected with a guide plate, the guide plate is arranged in a downward inclined manner, each compartment is divided into a down flow compartment and an up flow compartment by the baffle plate, each up flow compartment is internally provided with a filling layer, the reactor is provided with a stirring mechanism, the stirring mechanism comprises a motor and three rotating shafts, the motor is fixedly connected to the top of the reactor, the three rotating shafts are vertically arranged and are respectively positioned in the first compartment, the second compartment and the third compartment, the rotating shafts are rotatably connected with the reactor through bearings, the output shaft of the motor is fixedly connected with one of the rotating shafts, the adjacent rotating shafts are in transmission connection through a belt transmission mechanism, the parts of the rotating shafts positioned in the reactor are respectively and fixedly connected with stirring rods, the tops of the first compartment, the second compartment and the third compartment are respectively communicated with exhaust pipes, a conveying pipe is arranged above the reactor, the exhaust pipes are respectively communicated with the conveying pipes, one end of each conveying pipe is a closed end, the other end of the conveying pipe is connected with a methane collecting device, a water outlet is formed in the third compartment, a water drain pipe is arranged at the water drain outlet, a settling tank is further arranged on one side of the reactor, and the settling tank is communicated with the water drain pipe.

2. A novel anaerobic reactor according to claim 1, characterized in that: one end of the exhaust pipe, which is far away from the conveying pipe, is communicated with a gas-collecting hood, and the bottom end of the gas-collecting hood is higher than the water outlet.

3. A novel anaerobic reactor according to claim 1, characterized in that: still include sludge recycling mechanism, sludge recycling mechanism includes the sludge recycling pump, and sludge recycling pump fixed connection is on the setting tank, and the intercommunication has into mud pipe between the bottom of mud inlet and the setting tank of sludge recycling pump, and the intercommunication has out the mud pipe between the mud outlet of sludge recycling pump and the first compartment.

4. A novel anaerobic reactor according to claim 1, characterized in that: sludge discharge ports are arranged on the first compartment, the second compartment and the third compartment, and sealing pieces are arranged at the sludge discharge ports.

5. A novel anaerobic reactor according to claim 1, characterized in that: the conveying pipe is provided with a gas flowmeter.

6. A novel anaerobic reactor according to claim 1, characterized in that: the width of the down flow chamber is less than the width of the up flow chamber.

7. A novel anaerobic reactor according to claim 1, characterized in that: one side of the guide plate, which is far away from the baffle plate, is arranged in a zigzag manner.

8. A novel anaerobic reactor according to claim 1, characterized in that: the included angle between the guide plate and the horizontal direction is 45 degrees.