CN213865573U - UASB anaerobic reactor and sewage treatment system - Google Patents
UASB anaerobic reactor and sewage treatment system Download PDFInfo
- Publication number
- CN213865573U CN213865573U CN202022453942.9U CN202022453942U CN213865573U CN 213865573 U CN213865573 U CN 213865573U CN 202022453942 U CN202022453942 U CN 202022453942U CN 213865573 U CN213865573 U CN 213865573U
- Authority
- CN
- China
- Prior art keywords
- wall
- guide pipe
- mounting hole
- guide
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model provides a UASB anaerobic reactor and a sewage treatment system, relating to the technical field of sewage treatment, comprising a reactor shell, a guide cylinder and a guide pipe; the guide shell is arranged in the reactor shell, the bottom of the guide shell is provided with a water outlet, and the water outlet is arranged at the position where the peripheral wall of the guide shell is connected with the bottom wall of the guide shell; the wall of the guide cylinder is provided with a first guide pipe mounting hole, the wall of the shell of the reactor shell is provided with a second guide pipe mounting hole, the guide pipe penetrates through the first guide pipe mounting hole and the second guide pipe mounting hole, and the outer pipe wall of the guide pipe is hermetically connected with the hole wall of the first guide pipe mounting hole and the hole wall of the second guide pipe mounting hole. The utility model discloses the slower technical problem of anaerobic reaction rate that UASB anaerobic reactor exists among the prior art has been alleviated at least.
Description
Technical Field
The utility model relates to a sewage treatment plant technical field especially relates to a UASB anaerobic reactor and sewage treatment system.
Background
UASB (Up-flow Anaerobic Sludge Bed/Blanket), which is an upflow Anaerobic Sludge Bed, is an Anaerobic reactor and has the following working principle: sewage is introduced into the bottom of the UASB reactor as uniformly as possible, the sewage flows upwards through a sludge bed containing granular sludge or flocculent sludge in the reaction zone and generates a large amount of methane in the process that the sludge bed in the reaction zone is contacted with sludge particles, then the sewage and the methane rise together to play a role of stirring, so that a part of the sludge forms a thin sludge suspended layer formed by the sewage and sludge particles attached with air bubbles above the sludge bed in the reaction zone, the sludge suspended layer enters a top separation zone and is impacted by a three-phase separator arranged at the top of the anaerobic reactor to cause degassing of the sludge particles attached with air bubbles, the methane separated from the sludge particles is firstly discharged from an exhaust port at the top of the reactor and is guided to an air collecting chamber, the wastewater containing suspension enters a settling zone, and at the moment, because most of the methane is separated, the disturbance of the settling zone becomes small, the sludge can be settled in the settling zone and returned to the reaction zone from the inclined plane, and the residual water is discharged from a water discharge port at the top of the reactor.
However, in the prior art, the sewage in the UASB anaerobic reactor is not uniformly mixed with the sludge particles through the sludge bed, which causes the technical problem that the UASB anaerobic reactor in the prior art has slow anaerobic reaction rate.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a UASB anaerobic reactor and sewage treatment system to alleviate the slower technical problem of anaerobic reaction rate that UASB anaerobic reactor exists among the prior art at least.
In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions:
in a first aspect, an embodiment of the present invention provides a UASB anaerobic reactor, including a reactor shell, a draft tube, and a draft tube;
the guide shell is arranged in the reactor shell, a water outlet is formed in the bottom of the guide shell, and the water outlet is formed in the position where the peripheral wall of the guide shell is connected with the bottom wall of the guide shell;
the wall of the guide cylinder is provided with a first guide pipe mounting hole, the wall of the reactor shell is provided with a second guide pipe mounting hole, the guide pipe penetrates through the first guide pipe mounting hole and the second guide pipe mounting hole, and the outer pipe wall of the guide pipe is hermetically connected with the hole wall of the first guide pipe mounting hole and the hole wall of the second guide pipe mounting hole.
In an alternative embodiment, the UASB anaerobic reactor further comprises an inner barrel;
the inner cylinder is arranged in the reactor shell, the bottom of the inner cylinder is closed, and the top of the inner cylinder is provided with an opening; the guide cylinder is arranged inside the inner cylinder; and a third guide pipe mounting hole is formed in the wall of the inner barrel, the guide pipe penetrates through the third guide pipe mounting hole, and the outer pipe wall of the guide pipe is hermetically connected with the hole wall of the third guide pipe mounting hole.
In an alternative embodiment, the UASB anaerobic reactor further comprises an outer barrel;
the outer cylinder is arranged in the reactor shell, and openings are formed in the top of the outer cylinder and the bottom of the outer cylinder; the inner cylinder is arranged inside the outer cylinder; and a fourth guide pipe mounting hole is formed in the wall of the outer barrel, the guide pipe penetrates through the fourth guide pipe mounting hole, and the outer pipe wall of the guide pipe is hermetically connected with the hole wall of the fourth guide pipe mounting hole.
In an alternative embodiment, a nutrient filling layer capable of providing nutrient for sewage is arranged between the inner cylinder wall of the outer cylinder and the outer cylinder wall of the inner cylinder.
In an alternative embodiment, the nutrient filler of the nutrient filler layer comprises straw particles and/or corn cob particles.
In an optional embodiment, the nutrient filler layer comprises a net body and a nutrient filler, the net body is connected between the inner cylinder wall of the outer cylinder and the outer cylinder wall of the inner cylinder, and the nutrient filler is arranged inside the net body.
In an alternative embodiment, the inner bottom wall of the reactor shell is formed in a frustum shape with a radial cross section gradually decreasing from top to bottom.
In an alternative embodiment, the inner circumferential wall of the reactor shell is formed as an arcuate wall surface.
In an optional embodiment, the UASB anaerobic reactor further comprises a sludge reflux pump, an inlet of the sludge reflux pump is connected to an outlet of the reactor housing, and an outlet of the sludge reflux pump is connected to one end of the flow guide pipe located outside the reactor housing.
In a second aspect, embodiments of the present invention provide a wastewater treatment system, including a UASB anaerobic reactor according to any of the preceding embodiments.
The embodiment of the utility model provides a can realize following beneficial effect:
in a first aspect, an embodiment of the present invention provides a UASB anaerobic reactor, including a reactor shell, a draft tube and a draft tube. Specifically, the guide shell is arranged inside the reactor shell, the bottom of the guide shell is provided with a water outlet, and the water outlet is arranged at the position where the peripheral wall of the guide shell is connected with the bottom wall of the guide shell; the wall of the guide cylinder is provided with a first guide pipe mounting hole, the wall of the shell of the reactor shell is provided with a second guide pipe mounting hole, the guide pipe penetrates through the first guide pipe mounting hole and the second guide pipe mounting hole, and the outer pipe wall of the guide pipe is hermetically connected with the hole wall of the first guide pipe mounting hole and the hole wall of the second guide pipe mounting hole.
The embodiment of the utility model provides an in, mud and sewage are sent into the draft tube from honeycomb duct 3 together, the delivery port outflow via the draft tube bottom enters into the mixed district, wherein, because the delivery port sets up in the position that the diapire of the perisporium of draft tube and draft tube is connected, thereby, sewage and mud are rotatory to form the comparatively even mixed liquid in mixed ground when flowing from the delivery port, carry out anaerobic reaction in the reaction zone, the marsh gas of production upwards flows and discharges via the gas outlet at reactor shell top, mixed liquid rises gradually in the reactor shell, the outlet discharge at reactor shell top is followed to the water after the degasification. The embodiment of the utility model provides a UASB anaerobic reactor can make the intensive mixing contact between sewage and the mud granule, improves the even degree of mixing between sewage and the mud granule to improve sewage anaerobic reaction rate, alleviate the UASB anaerobic reactor among the prior art and have the slower technical problem of anaerobic reaction rate.
A second aspect of the embodiments of the present invention further provides a sewage treatment system, including the UASB anaerobic reactor provided in the first aspect; because the embodiment of the utility model provides a sewage treatment system includes the UASB anaerobic reactor that the first aspect provided, therefore, the embodiment of the utility model provides a sewage treatment system can reach all beneficial effects that the UASB anaerobic reactor that the first aspect provided can reach.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram showing the overall structure of a UASB anaerobic reactor in the prior art;
fig. 2 is a schematic diagram of the overall structure of a UASB anaerobic reactor according to an embodiment of the present invention.
Icon: a 1-reaction zone; a11-sludge bed; a 2-separation zone; a21-three-phase separator; a 3-settling zone; b1-mixing zone; 1-a reactor shell; 2-a guide shell; 20-water outlet; 3-a flow guide pipe; 4-inner cylinder; 5-outer cylinder; 6-a nutrient filler layer; 7-sludge reflux pump.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "vertical", "horizontal", "inner", "outer", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Example one
UASB (Up-flow Anaerobic Sludge Bed/Blanket), which is an Anaerobic reactor, is shown in FIG. 1, and the working principle is as follows: the sewage is introduced into the bottom of the UASB reactor as uniformly as possible, the sewage flows upwards through a sludge bed A11 containing granular sludge or flocculent sludge in a reaction area A1, a large amount of biogas is generated in the process that the sludge bed A11 of the reaction area A1 contacts with sludge particles, then the sewage and the biogas rise together to play a role of stirring, a part of the sludge forms a thin sludge suspension layer formed by the sewage and the sludge particles attached with air bubbles above a sludge bed A11 of the reaction area A1, the sludge suspension layer enters a top separation area A2 and is impacted by a three-phase separator A21 arranged at the top of the anaerobic reactor, the sludge particles attached with air bubbles are degassed, the biogas separated from the sludge particles is firstly discharged from an exhaust port at the top of the reactor to a gas collecting chamber, the wastewater containing the suspension enters a settling area A3, and at the moment, most of the biogas is separated, the disturbance of the settling zone A3 becomes small and sludge can settle in the settling zone A3 and return from the incline to the reaction zone a1, with the remaining water being discharged through a drain at the top of the reactor.
However, in the prior art, the sewage in the UASB anaerobic reactor is not uniformly mixed with the sludge particles through the sludge bed A11, which causes the technical problem that the UASB anaerobic reactor in the prior art has a slow anaerobic reaction rate.
In contrast, the present embodiment provides a UASB anaerobic reactor, and referring to fig. 2, the UASB anaerobic reactor includes a reactor housing 1, a draft tube 2, and a draft tube 3. Specifically, the guide shell 2 is arranged inside the reactor shell 1, the bottom of the guide shell 2 is provided with a water outlet 20, and the water outlet 20 is arranged at the position where the peripheral wall of the guide shell 2 is connected with the bottom wall of the guide shell 2; the wall of the guide cylinder 2 is provided with a first guide pipe mounting hole, the wall of the reactor shell 1 is provided with a second guide pipe mounting hole, the guide pipe 3 penetrates through the first guide pipe mounting hole and the second guide pipe mounting hole, and the outer wall of the guide pipe 3 is hermetically connected with the hole wall of the first guide pipe mounting hole and the hole wall of the second guide pipe mounting hole.
In this embodiment, the sludge and the sewage are sent into the draft tube 2 from the draft tube 3, and flow out through the water outlet 20 at the bottom of the draft tube 2 to enter the mixing zone B1, wherein the water outlet 20 is disposed at the connecting portion of the peripheral wall of the draft tube 2 and the bottom wall of the draft tube 2, so that the sewage and the sludge rotate to form a mixed liquid which is uniformly mixed when flowing out from the water outlet 20, the anaerobic reaction is performed in the reaction zone a1, the generated biogas flows upwards and is discharged through the air outlet at the top of the reactor housing 1, the mixed liquid gradually rises in the reactor housing 1, and the degassed water is discharged from the water outlet at the top of the reactor housing 1. The UASB anaerobic reactor that this embodiment provided can make between sewage and the mud granule intensive mixing contact, improves the even degree of mixing between sewage and the mud granule to improve sewage anaerobic reaction rate, alleviate the technical problem that UASB anaerobic reactor among the prior art exists that anaerobic reaction rate is slower.
In an alternative embodiment of this embodiment, preferably, the UASB anaerobic reactor further comprises an inner cylinder 4; the inner cylinder 4 is arranged in the reactor shell 1, the bottom of the inner cylinder 4 is closed, and the top of the inner cylinder 4 is provided with an opening; the guide shell 2 is arranged inside the inner shell 4; and a third guide pipe mounting hole is formed in the wall of the inner barrel 4, the guide pipe 3 penetrates through the third guide pipe mounting hole, and the outer pipe wall of the guide pipe 3 is hermetically connected with the hole wall of the third guide pipe mounting hole. In the reaction process, after sewage and sludge flow out of the water outlet 20 at the bottom of the guide cylinder 2 and enter the mixing area B1 to form mixed liquid, the mixed liquid flows upwards along the inner cylinder and then flows downwards through the outer side wall of the inner cylinder, so that the flow path of the mixed liquid can be prolonged, the full anaerobic reaction between the sewage and sludge particles is promoted, and the anaerobic reaction effect is improved.
Further preferably, the UASB anaerobic reactor provided in this embodiment further comprises an outer cylinder 5; the outer cylinder 5 is arranged inside the reactor shell 1, and the top of the outer cylinder 5 and the bottom of the outer cylinder 5 are both provided with openings; the inner cylinder 4 is arranged inside the outer cylinder 5; and a fourth guide pipe mounting hole is formed in the wall of the outer barrel 5, the guide pipe 3 penetrates through the fourth guide pipe mounting hole, and the outer pipe wall of the guide pipe 3 is hermetically connected with the hole wall of the fourth guide pipe mounting hole. In the reaction process, when the mixed liquid flows upwards along the inner cylinder 4 to flow out of the inner cylinder 4, the mixed liquid immediately flows into the outer cylinder 5, when the mixed liquid flows downwards to the lower edge of the outer cylinder 5, the mixed liquid is baffled to the outside of the outer cylinder 5 and flows upwards to enter the settling area A3 to be slowly settled, so that the settling area A3 and the reaction area A1 can be separated by the outer cylinder 5, the problem that a lot of sludge is brought out when sewage is discharged due to the fact that the rising flow rate of methane or the mixed liquid is high, and therefore the sludge loss is avoided, and the operation stability of the UASB anaerobic reactor is improved.
Still more preferably, in the present embodiment, a nutrient filler layer 6 capable of providing nutrients for the sewage is disposed between the inner wall of the outer cylinder 5 and the outer wall of the inner cylinder 4, the nutrient filler of the nutrient filler layer 6 includes but is not limited to straw particles and/or corn cob particles, wherein "and/or" means that the nutrient filler of the nutrient filler layer 6 includes any one of straw particles and corn cob particles or both straw particles and corn cob particles, and the straw particles and corn cob particles can form the nutrient filler layer 6 by floating on the sewage surface; preferably, the nutrient filling layer 6 comprises a net body and a nutrient filling, the net body is connected between the inner cylinder wall of the outer cylinder 5 and the outer cylinder wall of the inner cylinder 4, and the nutrient filling is arranged inside the net body so as to conveniently arrange, clear and replace the nutrient filling layer 6. During the reaction, when the mixed liquid flows upwards along the inner cylinder 4 to flow out of the inner cylinder 4, the mixed liquid flows through the nutrient substance packing layer 6 to fully contact with the microorganisms and nutrient components in the nutrient substance layer and then flows into the outer cylinder 5, the nutrient substance packing layer 6 can supplement N, P and other nutrient substances for the mixed liquid of the sewage and the sludge, the anaerobic reaction rate is prevented from being influenced due to the lack of the nutrient substances in the mixed liquid, the nutrient substance packing layer 6 also has the function of a filler, the microorganisms for degrading organic pollutants are adhered on the nutrient substance packing layer, the microorganisms can form a flocculent mixture with suspended matters and colloidal substances in the sewage, namely, biological sludge, the contact area of the sludge and the sewage is further increased, and the reaction rate is further improved.
In order to prevent sludge from accumulating at the bottom of the reactor housing 1, in the present embodiment, the inner bottom wall of the reactor housing 1 is preferably formed in a frustum shape with a radial cross section gradually decreasing from top to bottom.
In addition, in order to avoid the suspended impurities from being caught on the inner wall of the reactor shell 1, it is preferable that the inner circumferential wall of the reactor shell 1 is formed into an arc-shaped wall surface.
In addition, in this embodiment, the UASB anaerobic reactor further includes a sludge reflux pump 7, an inlet of the sludge reflux pump 7 is connected to an outlet of the reactor housing 1, and an outlet of the sludge reflux pump 7 is connected to one end of the draft tube 3 located outside the reactor housing 1, so that sludge can be deposited at the bottom of the reactor housing 1 and recycled.
Example two
The present embodiment provides a wastewater treatment system comprising a UASB anaerobic reactor according to any one of the optional embodiments of the first embodiment.
Since the sewage treatment system provided by the present embodiment includes the UASB anaerobic reactor described in the first embodiment, the sewage treatment system provided by the present embodiment can achieve all the advantages that the UASB anaerobic reactor can achieve in the first embodiment, and the specific structure and the achievable effects thereof can be obtained with reference to each of the optional or preferred embodiments in the first embodiment.
Finally, it should be noted that: the embodiments in the present description are all described in a progressive manner, each embodiment focuses on the differences from the other embodiments, and the same and similar parts among the embodiments can be referred to each other; the above embodiments in the present specification are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A UASB anaerobic reactor is characterized by comprising a reactor shell (1), a guide cylinder (2) and a guide pipe (3);
the guide shell (2) is arranged in the reactor shell (1), a water outlet (20) is formed in the bottom of the guide shell (2), and the water outlet (20) is formed in a position where the peripheral wall of the guide shell (2) is connected with the bottom wall of the guide shell (2);
the wall of the guide cylinder (2) is provided with a first guide pipe mounting hole, the wall of the reactor shell (1) is provided with a second guide pipe mounting hole, the guide pipe (3) penetrates through the first guide pipe mounting hole and the second guide pipe mounting hole, and the outer pipe wall of the guide pipe (3) is hermetically connected with the hole wall of the first guide pipe mounting hole and the hole wall of the second guide pipe mounting hole.
2. A UASB anaerobic reactor according to claim 1, wherein,
the UASB anaerobic reactor also comprises an inner cylinder (4);
the inner cylinder (4) is arranged in the reactor shell (1), the bottom of the inner cylinder (4) is closed, and the top of the inner cylinder (4) is provided with an opening; the guide cylinder (2) is arranged in the inner cylinder (4); and a third guide pipe mounting hole is formed in the wall of the inner barrel (4), the guide pipe (3) penetrates through the third guide pipe mounting hole, and the outer pipe wall of the guide pipe (3) is hermetically connected with the hole wall of the third guide pipe mounting hole.
3. A UASB anaerobic reactor according to claim 2, characterized in that the UASB anaerobic reactor further comprises an outer cylinder (5);
the outer cylinder (5) is arranged inside the reactor shell (1), and openings are formed in the top of the outer cylinder (5) and the bottom of the outer cylinder (5); the inner cylinder (4) is arranged inside the outer cylinder (5); a fourth honeycomb duct mounting hole is formed in the wall of the outer barrel (5), the honeycomb duct (3) penetrates through the fourth honeycomb duct mounting hole, and the outer pipe wall of the honeycomb duct (3) is in sealing connection with the hole wall of the fourth honeycomb duct mounting hole.
4. A UASB anaerobic reactor according to claim 3, characterized in that a nutrient filler layer (6) capable of supplying nutrients to the sewage is provided between the inner cylindrical wall of the outer cylinder (5) and the outer cylindrical wall of the inner cylinder (4).
5. A UASB anaerobic reactor according to claim 4, characterized in that the nutrient packing of the nutrient packing layer (6) is made of straw particles; or the nutrient substance filler of the nutrient substance filler layer (6) adopts corncob particles.
6. A UASB anaerobic reactor according to claim 4 or 5, characterized in that the nutrient filling layer (6) comprises a mesh body and a nutrient filling, the mesh body is connected between the inner cylinder wall of the outer cylinder (5) and the outer cylinder wall of the inner cylinder (4), the nutrient filling is arranged inside the mesh body.
7. A UASB anaerobic reactor according to claim 1, characterized in that the inner bottom wall of the reactor housing (1) is formed in a frustum shape with a radial cross-section gradually decreasing from top to bottom.
8. A UASB anaerobic reactor according to claim 6, characterized in that the inner circumferential wall of the reactor housing (1) is formed as an arc-shaped wall.
9. A UASB anaerobic reactor according to claim 1, characterized in that the UASB anaerobic reactor further comprises a sludge-return pump (7), the inlet of the sludge-return pump (7) is connected to the outlet of the reactor housing (1), and the outlet of the sludge-return pump (7) is connected to the end of the draft tube (3) that is outside the reactor housing (1).
10. A sewage treatment system comprising a UASB anaerobic reactor according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022453942.9U CN213865573U (en) | 2020-10-29 | 2020-10-29 | UASB anaerobic reactor and sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022453942.9U CN213865573U (en) | 2020-10-29 | 2020-10-29 | UASB anaerobic reactor and sewage treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213865573U true CN213865573U (en) | 2021-08-03 |
Family
ID=77075803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022453942.9U Active CN213865573U (en) | 2020-10-29 | 2020-10-29 | UASB anaerobic reactor and sewage treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213865573U (en) |
-
2020
- 2020-10-29 CN CN202022453942.9U patent/CN213865573U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6592751B2 (en) | Device for treatment of wastewater | |
| CA2338228A1 (en) | A device of three-chamber type for purifying liquid | |
| MX2007014364A (en) | Anaerobic purification device. | |
| CN109851166B (en) | Internal circulation type anaerobic and denitrification methane-generating reactor and sewage treatment method | |
| EP2711064B1 (en) | Biofilter for wastewater digestion | |
| CN114314835A (en) | Short-cut nitrification and denitrification coupling anaerobic ammonia oxidation denitrification reactor and integrated equipment | |
| US4670140A (en) | Fixed bed reactor column for anaerobic decomposition processes | |
| CN213865573U (en) | UASB anaerobic reactor and sewage treatment system | |
| KR101840040B1 (en) | Decanter | |
| CN212198690U (en) | UASB reaction device with embedded gas-liquid separation device | |
| CN111517438B (en) | High-efficient coagulating sedimentation all-in-one | |
| CN109467195A (en) | Denitrification expanded bed and wastewater treatment method containing nitrate nitrogen | |
| CN211078595U (en) | Fluidized bed reactor | |
| CN211644768U (en) | Tank type integrated sewage treatment equipment | |
| CN201254492Y (en) | TAIC high efficiency anaerobic reactor | |
| CN211620046U (en) | MBBR filler fluidizing device for hypoxia or anaerobism | |
| EP1347942A1 (en) | Device for treatment of wastewater | |
| CN116282678A (en) | Integrated assembly type sewage nitrogen and sand removal equipment | |
| CN101323487A (en) | TAIC highly effective anaerobic reactor | |
| CN113336326A (en) | UASB reaction device with embedded gas-liquid separation device | |
| CN216303399U (en) | Upflow anaerobic sludge blanket reactor and sewage treatment system | |
| CN216337152U (en) | Sediment MBR treatment unit and integral type sewage treatment plant | |
| CN201098568Y (en) | Flocculation device | |
| CN218988982U (en) | Water distribution device for anaerobic tower and anaerobic tower | |
| CN219752058U (en) | Sewage treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |