CN201330214Y - Integrated high-organic matter and high-ammonia nitrogen waste water biological treatment device - Google Patents

Abstract

An integrated high organic matter and high ammonia nitrogen wastewater biological treatment device relates to a wastewater biological treatment device. The utility model solves the problem that in the existing biological treatment of waste water with high organic matter and high ammonia nitrogen, when anaerobic process is used to treat this kind of waste water, the removal effect of ammonia nitrogen is not good, and the aerobic process alone treats this kind of waste water with high investment and operating costs, and anaerobic process - The aerobic joint treatment of this kind of wastewater requires a large area, a long process route and high infrastructure costs. The anaerobic granular sludge of the utility model is set in the upper cylinder, the three-phase separator is installed in the upper anaerobic reaction cylinder, the aerobic reaction cylinder is set on the anaerobic treatment device, and the aerobic reaction body is arranged in the aerobic reaction cylinder. In the barrel, the mixing and stirring device is arranged in the cavity, the upper end of the water inlet pipe is fixedly connected to the upper end surface of the first water outlet weir, and the lower end of the water inlet pipe is arranged in the aerobic reaction body. The utility model has the advantages of good ammonia nitrogen removal effect, small occupied area, low infrastructure cost, simple structure and the like.

Description

Integrated high organic matter and high ammonia nitrogen wastewater biological treatment device

technical field

The utility model relates to a wastewater biological treatment device, which belongs to the technical field of wastewater treatment equipment.

Background technique

With the continuous improvement of the level of industrialization and people's living standards, human beings have produced a large amount of wastewater containing high concentrations of organic matter and high concentrations of ammonia nitrogen in production and life. This kind of high-concentration organic wastewater is directly discharged or washed into the water body with rainwater, which will consume a large amount of dissolved oxygen in the water body, making the water body black and smelly. A large amount of nitrogen in water is one of the important reasons for the eutrophication of water bodies. Once eutrophication occurs in the water body, the aquatic organisms in the water body will gradually die, and in severe cases, the water body will lose its use function.

Although high-concentration organic matter and high-concentration ammonia nitrogen wastewater can be returned to the field for use or treated by natural treatment systems, both of these methods require a large amount of land. For the actual situation in my country where there are many people and little land, these two treatment methods will Restricted by available land, and the treatment effects of natural treatment modes such as artificial wetlands are easily affected by seasonal and temperature changes. For the actual situation of our country with many people and little land, biological treatment technology will be an excellent choice for the treatment of livestock and poultry wastewater in land-limited areas. In biological treatment technology, anaerobic biological treatment can directly treat high-concentration wastewater and recover energy. However, the concentration of pollutants in the effluent after anaerobic treatment is still high, especially ammonia nitrogen is basically not removed, and it is discharged into the water body. Finally, the impact on the environment is still great, and further treatment is required; the aerobic process directly treats this kind of wastewater, and the investment and operation costs are very high, and the combination of anaerobic and aerobic treatment has become the best choice for this wastewater treatment process. It is the best choice, but the anaerobic-aerobic combined treatment process also requires a large area, and the process route is very long, which makes the infrastructure cost very high.

Utility model content

The purpose of this utility model is to solve the problem of poor ammonia nitrogen removal effect when the anaerobic process treats this kind of wastewater in the existing biological treatment of high organic matter and high ammonia nitrogen wastewater. The aerobic process alone treats this kind of wastewater with high investment and operating costs. -Aerobic joint treatment of the problems of large area, long process route and high infrastructure cost of this kind of wastewater, and then provide an integrated biological treatment device for wastewater with high organic matter and high ammonia nitrogen.

The technical scheme of the utility model is: the integrated biological treatment device for high organic matter and high ammonia nitrogen wastewater is composed of an anaerobic treatment device and an aerobic treatment device, and the anaerobic treatment device includes a water inlet pipe, a lower anaerobic reaction cylinder, a plurality of The first valve body, anaerobic granular sludge, a plurality of first sampling pipes, an upper anaerobic reaction cylinder, a three-phase separator and an air outlet pipe, the lower anaerobic reaction cylinder consists of an upper cylinder and a conical bottom cylinder Composition, the upper cylinder and the conical bottom cylinder are connected by a flange, the water inlet pipe is installed on the lower end surface of the conical bottom cylinder and communicated with the conical bottom cylinder, and the anaerobic granular sludge is arranged on the upper In the cylinder, the upper anaerobic reaction cylinder is installed on the upper end surface of the upper cylinder and communicated with the upper cylinder, and the lower end of the three-phase separator is arranged in the upper anaerobic reaction cylinder; the aerobic treatment device It consists of an aerobic reaction cylinder, a plurality of second valve bodies, a plurality of second sampling pipes, a mixing device, an air distribution device, an aerobic reactant, a first water outlet weir, a water inlet pipe, a first water outlet pipe, and a connecting flange , the second outlet weir and the second outlet pipe, the aerobic reaction cylinder is set on the anaerobic treatment device and forms a cavity with the anaerobic treatment device, the lower end of the aerobic reaction cylinder is connected The blue is fixed on the wall of the intersection of the upper cylinder and the conical bottom cylinder of the lower anaerobic reaction cylinder, and there is a gap between the top plate of the aerobic reaction cylinder and the upper end surface of the upper anaerobic reaction cylinder, so The upper end of the three-phase separator is fixed on the lower end surface of the top plate of the aerobic reaction cylinder, the outlet pipe is fixed on the top plate of the aerobic reaction cylinder and communicates with the three-phase separator, and the gas distribution device Installed in the aerobic reaction cylinder and located on the upper end surface of the connecting flange, the aerobic reactant is arranged in the aerobic reaction cylinder and located on the upper end surface of the connecting flange, the mixing and stirring device is arranged in the cavity, And the motor of the mixing and stirring device is fixed on the inner wall of the aerobic reaction cylinder above the aerobic reaction body, the stirring impeller of the mixing and stirring device is arranged in the aerobic reaction body, and the aerobic reaction below the motor of the mixing and stirring device The wall of the reaction cylinder is equipped with a plurality of second sampling tubes along the axial direction of the aerobic reaction cylinder, and the wall of the aerobic reaction cylinder between the motor of the mixing and stirring device and the adjacent second sampling tubes is opened. There is a water outlet, the second water outlet weir is installed on the outer wall of the aerobic reaction cylinder and corresponds to the water outlet, the second water outlet pipe is installed on the bottom plate of the second water outlet weir and communicated with the second water outlet weir, The inner end of the first outlet weir is affixed to the outer wall of the upper anaerobic reaction cylinder, the outer end of the first outlet weir is affixed to the inner wall of the aerobic reaction cylinder, and the upper end of the water inlet pipe is affixed to the first The lower end surface of the water outlet weir is connected with the first water outlet weir, the lower end of the water inlet pipe is arranged in the aerobic reaction body, one end of the first water outlet pipe communicates with the upper end of the water inlet pipe, and the other end of the first water outlet pipe Pass through the aerobic reaction cylinder, one end of the plurality of first sampling tubes is installed on the outer wall of the upper cylinder along the axial direction of the lower anaerobic reaction cylinder, and communicates with the upper cylinder, and the plurality of first sampling tubes The other end passes through the aerobic reaction cylinder, the plurality of first valve bodies are respectively installed on the water inlet pipe and the plurality of first sampling pipes, and the plurality of second valve bodies are respectively installed on the plurality of second sampling pipes , the water inlet pipe and the first water outlet pipe.

Compared with the prior art, the utility model has the following beneficial effects: the utility model has the advantages of good ammonia nitrogen removal effect, low investment and operating costs, small equipment footprint, simple process, low infrastructure cost and simple structure. The utility model can be used independently, in series, in parallel, and can also be used for upgrading and reforming existing waste water treatment facilities, and is easy to popularize and apply.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the utility model, and Fig. 2 is a schematic diagram of the structure of the water distribution plate.

Detailed ways

Specific Embodiment 1: This embodiment is described in conjunction with FIG. 1. This embodiment consists of an anaerobic treatment device and an aerobic treatment device. The anaerobic treatment device includes a water inlet pipe 1, a lower anaerobic reaction cylinder, a plurality of first valve body 4, anaerobic granular sludge 5, a plurality of first sampling pipes 6, an upper anaerobic reaction cylinder 7, a three-phase separator 8 and an air outlet pipe 9, and the lower anaerobic reaction cylinder consists of an upper cylinder 3 -1 and conical bottom cylinder 3-2, the upper cylinder 3-1 and conical bottom cylinder 3-2 are connected by a flange, and the water inlet pipe 1 is installed under the conical bottom cylinder 3-2 On the end face and in communication with the conical bottom cylinder 3-2, the anaerobic granular sludge 5 is arranged in the upper cylinder 3-1, and the upper anaerobic reaction cylinder 7 is installed on the upper cylinder 3-1 On the end face and in communication with the upper cylinder 3-1, the lower end of the three-phase separator 8 is set in the upper anaerobic reaction cylinder 7; the aerobic treatment device consists of an aerobic reaction cylinder 11, a plurality of second Valve body 12, multiple second sampling pipes 13, mixing and stirring device, air distribution device 15, aerobic reactant body 16, first water outlet weir 17, water inlet pipe 18, first water outlet pipe 19, connecting flange 21, second The outlet weir 24 and the second outlet pipe 25 are composed. The aerobic reaction cylinder 11 is set on the anaerobic treatment device and forms a cavity 20 with the anaerobic treatment device. The lower end of the aerobic reaction cylinder 11 passes through The connecting flange 21 is fixed on the wall where the upper cylinder 3-1 of the lower anaerobic reaction cylinder and the conical bottom cylinder 3-2 meet, the top plate 11-1 of the aerobic reaction cylinder 11 and the upper anaerobic There is a gap between the upper end surfaces of the reaction cylinder 7, the upper end of the three-phase separator 8 is fixed on the lower end surface of the top plate 11-1 of the aerobic reaction cylinder 11, and the air outlet pipe 9 is fixed on the bottom surface of the top plate 11-1 of the aerobic reaction cylinder 11. On the top plate 11-1 of the oxygen reaction cylinder 11 and communicated with the three-phase separator 8, the gas distribution device 15 is installed in the aerobic reaction cylinder 11 and is located on the upper end surface of the connecting flange 21, the aerobic The reaction body 16 is arranged in the aerobic reaction cylinder 11 and is located on the upper end surface of the connecting flange 21, the mixing and stirring device is arranged in the cavity 20, and the motor 22 of the mixing and stirring device is fixed on the aerobic reaction body 16 On the inner wall of the aerobic reaction cylinder 11 above, the stirring impeller 23 of the mixing and stirring device is arranged in the aerobic reactant 16, and the wall of the aerobic reaction cylinder 11 below the motor 22 of the mixing and stirring device is along the A plurality of second sampling tubes 13 are installed in the axial direction of the aerobic reaction cylinder 11, and there are outlets on the wall of the aerobic reaction cylinder 11 between the motor 22 of the mixing and stirring device and the adjacent second sampling tubes 13. The water outlet 11-2, the second water outlet weir 24 is installed on the outer wall of the aerobic reaction cylinder 11 and corresponds to the water outlet 11-2, and the second water outlet pipe 25 is installed on the bottom plate of the second water outlet weir 24 And communicate with the second outlet weir 24, the inner end of the first outlet weir 17 is affixed to the outer wall of the upper anaerobic reaction cylinder 7, and the outer end of the first outlet weir 17 is fixed to the inner wall of the aerobic reaction cylinder 11. Connected, the upper end of the water inlet pipe 18 is fixed on the lower end surface of the first water outlet weir 17, and communicates with the first water outlet weir 17, the water inlet The lower end of the pipe 18 is arranged in the aerobic reaction body 16, one end of the first water outlet pipe 19 communicates with the upper end of the water inlet pipe 18, and the other end of the first water outlet pipe 19 passes through the aerobic reaction cylinder 11. One end of the first sampling tube 6 is installed on the outer wall of the upper cylinder 3-1 along the axial direction of the lower anaerobic reaction cylinder, and communicates with the upper cylinder 3-1, the other end of a plurality of first sampling tubes 6 Through the aerobic reaction cylinder 11, the plurality of first valve bodies 4 are respectively installed on the water inlet pipe 1 and the plurality of first sampling pipes 6, and the plurality of second valve bodies 12 are respectively installed on the plurality of second On the sampling pipe 13, the water inlet pipe 18 and the first water outlet pipe 19.

Embodiment 2: This embodiment will be described with reference to FIG. 1 . The aerobic reactant 16 in this embodiment is ordinary activated sludge. With such settings, the removal rate of organic matter reaches 85% to 90%, and the removal rate of ammonia nitrogen reaches 70% to 80%. Other compositions and connections are the same as in the first embodiment.

Embodiment 3: This embodiment is described with reference to FIG. 1 . The aerobic reactant 16 of this embodiment is aerobic granular sludge. With such settings, the removal rate of organic matter can reach more than 90%, and the removal rate of ammonia nitrogen can reach more than 80%. Other compositions and connections are the same as in the first embodiment.

Embodiment 4: This embodiment is described with reference to FIG. 1 . The aerobic reactant 16 of this embodiment is a biological carrier. With such settings, the removal rate of organic matter can reach more than 90%, and the removal rate of ammonia nitrogen can reach more than 85%. Other compositions and connections are the same as in the first embodiment.

Embodiment 5: This embodiment is described with reference to FIG. 1 . The anaerobic treatment device of this embodiment is further provided with a gas collection ring 26 , and the gas collection ring 26 is fixed on the inner wall of the upper end of the upper cylinder 3-1. Such setting can promote gas accumulation, and the effect of gas-water separation is good. Other compositions and connections are the same as in the first embodiment.

Embodiment 6: This embodiment is described with reference to FIG. 1 . The cross section of the gas collection ring 26 in this embodiment is triangular. With this setting, the gas can be better gathered, and the gas-water separation effect is good. Other compositions and connections are the same as those in Embodiment 8.

Specific Embodiment Seven: This embodiment is described in conjunction with Fig. 1 and Fig. 2. The anaerobic treatment device of this embodiment is also added with a water distribution plate 2, and a plurality of holes 2 are evenly opened on the circular surface of the water distribution plate 2- 1. The water distribution plate 2 is installed in the lower anaerobic reaction cylinder and is located at the intersection of the upper cylinder 3-1 and the conical bottom cylinder 3-2. This setting makes the water distribution more even and prevents the packing from blocking the water inlet pipe. Other compositions and connections are the same as those in Embodiment 1, 5 or 6.

Embodiment 8: This embodiment is described with reference to FIG. 1 . The mixing device of this embodiment is composed of a motor 22 and a stirring impeller 23 , and the stirring impeller 23 is fixed on the rotating shaft 22 - 1 of the motor 22 . With such arrangement, the reaction between the aerobic reactant and water is more sufficient. Other compositions and connections are the same as in the first embodiment.

The working principle of the utility model is illustrated in conjunction with Fig. 1: the waste water enters the lower anaerobic reaction cylinder body through the water distribution plate 2 from the water inlet pipe 1, and is subjected to anaerobic biological treatment under the action of the anaerobic granular sludge 5, and the generated gas passes through three The phase separator 8 and the air outlet pipe 9 are discharged, and the outflowing liquid passes through the upper anaerobic reaction cylinder 7, and then enters the aerobic reaction cylinder 11 through the water inlet pipe 18, and flows out after aerobic biological treatment by the aerobic reaction body 16.

Claims (8)

1. An integrated biological treatment device for waste water with high organic matter and high ammonia nitrogen, which is composed of anaerobic treatment device and aerobic treatment device, characterized in that: said anaerobic treatment device includes water inlet pipe (1), lower anaerobic reaction cylinder body, multiple first valve bodies (4), anaerobic granular sludge (5), multiple first sampling pipes (6), upper anaerobic reaction cylinder body (7), three-phase separator (8) and The air outlet pipe (9), the lower anaerobic reaction cylinder is composed of an upper cylinder (3-1) and a conical bottom cylinder (3-2), and the upper cylinder (3-1) and the conical bottom cylinder (3-2) Connected by a flange, the water inlet pipe (1) is installed on the lower end surface of the conical bottom cylinder (3-2) and communicated with the conical bottom cylinder (3-2), the anaerobic The granular sludge (5) is arranged in the upper cylinder (3-1), and the upper anaerobic reaction cylinder (7) is installed on the upper end surface of the upper cylinder (3-1) and connected with the upper cylinder (3-1). -1) communication, the lower end of the three-phase separator (8) is set in the upper anaerobic reaction cylinder (7); the aerobic treatment device consists of an aerobic reaction cylinder (11), a plurality of second valves Body (12), multiple second sampling pipes (13), mixing and stirring device, gas distribution device (15), aerobic reactant body (16), first water outlet weir (17), water inlet pipe (18), first An outlet pipe (19), a connecting flange (21), a second outlet weir (24) and a second outlet pipe (25), the aerobic reaction cylinder (11) is set on the anaerobic treatment device and connected with the anaerobic A cavity (20) is formed between the oxygen treatment devices, and the lower end of the aerobic reaction cylinder (11) is fixedly connected to the upper cylinder (3-1) and the cone of the lower anaerobic reaction cylinder through a connecting flange (21). shaped bottom cylinder (3-2) on the wall of the junction, there is a gap between the top plate (11-1) of the aerobic reaction cylinder (11) and the upper end surface of the upper anaerobic reaction cylinder (7), The upper end of the three-phase separator (8) is fixed on the lower end surface of the top plate (11-1) of the aerobic reaction cylinder (11), and the air outlet pipe (9) is fixed on the aerobic reaction cylinder ( 11) on the top plate (11-1) and communicated with the three-phase separator (8), the gas distribution device (15) is installed in the aerobic reaction cylinder (11) and is located on the connecting flange (21) On the end face, the aerobic reaction body (16) is arranged in the aerobic reaction cylinder (11) and is located on the upper end face of the connecting flange (21), and the mixing and stirring device is arranged in the cavity (20), And the motor (22) of the mixing and stirring device is fixed on the inner wall of the aerobic reaction cylinder (11) above the aerobic reacting body (16), and the stirring impeller (23) of the mixing and stirring device is arranged on the aerobic reacting body (16), a plurality of second sampling tubes (13) are installed along the axial direction of the aerobic reaction cylinder (11) on the wall of the aerobic reaction cylinder (11) below the motor (22) of the mixing and stirring device. ), there is a water outlet (11-2) on the wall of the aerobic reaction cylinder (11) between the motor (22) of the mixing and stirring device and the adjacent second sampling pipe (13), and the second Outlet weir (24) is installed in the aerobic reaction cylinder (11) and corresponding to the water outlet (11-2), the second water outlet pipe (25) is installed on the bottom plate of the second water outlet weir (24) and communicated with the second water outlet weir (24), the first water outlet pipe (25) The inner end of a water outlet weir (17) is affixed to the outer wall of the upper anaerobic reaction cylinder (7), and the outer end of the first water outlet weir (17) is affixed to the inner wall of the aerobic reaction cylinder (11). The upper end of the water inlet pipe (18) is fixedly connected to the lower end surface of the first water outlet weir (17), and communicates with the first water outlet weir (17), and the lower end of the water inlet pipe (18) is arranged on the aerobic reaction body (16 ), one end of the first water outlet pipe (19) communicates with the upper end of the water inlet pipe (18), and the other end of the first water outlet pipe (19) passes through the aerobic reaction cylinder (11). One end of a sampling tube (6) is installed on the outer wall of the upper cylinder (3-1) along the axial direction of the lower anaerobic reaction cylinder, and communicates with the upper cylinder (3-1), and a plurality of first sampling tubes The other end of (6) passes through the aerobic reaction cylinder (11), and the plurality of first valve bodies (4) are installed on the water inlet pipe (1) and the plurality of first sampling pipes (6) respectively, the described A plurality of second valve bodies (12) are respectively installed on a plurality of second sampling pipes (13), water inlet pipes (18) and first water outlet pipes (19). 2. The integrated biological treatment device for high organic matter and high ammonia nitrogen wastewater according to claim 1, characterized in that: the aerobic reactant (16) is ordinary activated sludge. 3. The integrated biological treatment device for high organic matter and high ammonia nitrogen wastewater according to claim 1, characterized in that: the aerobic reactant (16) is aerobic granular sludge. 4. The integrated biological treatment device for high organic matter and high ammonia nitrogen wastewater according to claim 1, characterized in that: the aerobic reactant (16) is a biological carrier. 5. The integrated biological treatment device for high-organic and high-ammonia-nitrogen wastewater according to claim 1, characterized in that: the anaerobic treatment device also includes a gas collection ring (26), and the gas collection ring (26) is fixed on the On the inner wall of the upper end of the upper cylinder (3-1). 6. The integrated high-organic and high-ammonia-nitrogen wastewater biological treatment device according to claim 5, characterized in that: the cross-section of the gas gathering ring (26) is triangular. 7. According to claim 1, 5 or 6, the integrated high-organic and high-ammonia-nitrogen wastewater biological treatment device is characterized in that: the anaerobic treatment device also includes a water distribution plate (2), and the water distribution plate (2 ) is evenly opened with a plurality of holes (2-1), and the water distribution plate (2) is installed in the lower anaerobic reaction cylinder and is located between the upper cylinder (3-1) and the conical bottom cylinder (3- 2) The intersection. 8. The integrated biological treatment device for high organic matter and high ammonia nitrogen wastewater according to claim 1, characterized in that: the mixing and stirring device is composed of a motor (22) and a stirring impeller (23), and the stirring impeller (23) is solid Be contained on the rotating shaft (22-1) of electric motor (22).

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