CN219709272U - Efficient hydrolysis fluidized bed reactor for pretreatment of pharmaceutical wastewater - Google Patents
Efficient hydrolysis fluidized bed reactor for pretreatment of pharmaceutical wastewater Download PDFInfo
- Publication number
- CN219709272U CN219709272U CN202321954617.8U CN202321954617U CN219709272U CN 219709272 U CN219709272 U CN 219709272U CN 202321954617 U CN202321954617 U CN 202321954617U CN 219709272 U CN219709272 U CN 219709272U
- Authority
- CN
- China
- Prior art keywords
- water inlet
- water
- reactor body
- pretreatment
- reactor
- 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
- 239000002351 wastewater Substances 0.000 title claims abstract description 56
- 238000006460 hydrolysis reaction Methods 0.000 title claims abstract description 24
- 230000007062 hydrolysis Effects 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 132
- 239000010802 sludge Substances 0.000 claims abstract description 48
- 238000009826 distribution Methods 0.000 claims abstract description 26
- 238000011084 recovery Methods 0.000 claims abstract description 11
- 238000004321 preservation Methods 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 5
- 238000005422 blasting Methods 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000004069 wastewater sedimentation Methods 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 abstract description 5
- 238000002156 mixing Methods 0.000 abstract description 4
- 238000004065 wastewater treatment Methods 0.000 abstract description 4
- 230000015556 catabolic process Effects 0.000 abstract description 3
- 238000006731 degradation reaction Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 description 10
- 241000894006 Bacteria Species 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 239000000126 substance Substances 0.000 description 6
- 239000003814 drug Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000010865 sewage Substances 0.000 description 5
- 230000003301 hydrolyzing effect Effects 0.000 description 4
- 230000033116 oxidation-reduction process Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 229920002521 macromolecule Polymers 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model provides a high-efficiency hydrolysis fluidized bed reactor for pretreatment of pharmaceutical wastewater, which comprises a reactor body, wherein the upper end of the reactor body is provided with a water outlet weir and a water outlet, and the bottom of the reactor body is provided with a water distribution system; the water distribution system is provided with a plurality of water outlet holes and two water inlet ports, the two water inlet ports extend out of the reactor body, one water inlet port is connected with a water inlet pump, the other water inlet port is simultaneously connected with an internal circulation pump, a sludge recovery pump and a blast system, an inlet of the internal circulation pump is connected with a water inlet pipe, and a water inlet of the water inlet pipe extends into the reactor body and is downwards arranged. According to the utility model, the sludge generated in the wastewater treatment system is input into the reactor body, so that the problem of sludge loss when the rising flow rate in the existing pretreatment hydrolysis tank is increased is solved, the concentration of the sludge in the mixed liquid formed by the wastewater and the sludge is increased, the mixing degree of the wastewater and the sludge is increased, and the degradation efficiency of the wastewater is further improved.
Description
Technical Field
The utility model belongs to the field of wastewater treatment, and particularly relates to a high-efficiency hydrolysis fluidized bed reactor for pretreatment of pharmaceutical wastewater.
Background
Along with the continuous improvement of the living standard of people, the production technology of the pharmaceutical industry is continuously updated, the variety of medicines is increasingly abundant, and the treatment difficulty of high-concentration organic wastewater generated by pharmaceutical enterprises is also increased. The high-concentration organic wastewater can not meet the corresponding emission standard simply by means of the secondary treatment mode, and the pretreatment of adding multiple sections of biological treatment becomes a better choice for large enterprises in terms of treatment effect, occupied area, investment funds and the like. The method can greatly improve the pollutant removal rate, and can also reduce the load of secondary treatment and reduce the energy consumption through the pretreatment.
The most common pretreatment processes are mainly hydrolysis processes. The anaerobic fermentation stage process is controlled to be in the hydrolysis and acidogenesis stage by utilizing the difference of the growth speeds of methanogens and acidogenesis hydrolytic bacteria, insoluble organic matters are hydrolyzed into soluble organic matters under the action of a large number of hydrolytic bacteria and acidizing bacteria, and macromolecular substances difficult to biodegrade are converted into micromolecular substances easy to biodegrade, so that the biodegradability of the wastewater is improved, and a foundation is laid for the subsequent aerobic biological treatment. The existing hydrolysis tank is an improved Upflow Anaerobic Sludge Blanket (UASB) reactor, does not need a sealing and stirring device, reduces the manufacturing cost to a certain extent, but has a plurality of defects, such as: when the rising flow rate in the tank is increased, the sludge can flow out along with the rising flow rate, the mass transfer efficiency is low, the mixing is uneven, the treatment efficiency is low, the occupied area is large, the maintenance is inconvenient, and the like.
Disclosure of Invention
In view of the above, the utility model aims to provide an efficient hydrolysis fluidized bed reactor for pretreatment of pharmaceutical wastewater, which solves the problems of sludge loss, low mass transfer efficiency, uneven mixing and non-ideal pretreatment effect when the rising flow rate is increased in the existing hydrolysis tank.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
the high-efficiency hydrolysis fluidized bed reactor for pretreatment of pharmaceutical wastewater comprises a reactor body, wherein the inner cavity of the reactor body is divided into a clear water area and a suspended sludge area which are communicated from top to bottom, an effluent weir is arranged at the upper part of the inner wall of the reactor body, a water outlet corresponding to the effluent weir is arranged at the upper part of the side wall of the reactor body, and a water distribution system is arranged at the bottom of the inner cavity of the reactor body;
the water distribution system is provided with a plurality of water outlet holes and two water inlet ports, the two water inlet ports are all extended out of the reactor body, one water inlet port is connected with an outlet of a water inlet pump, the other water inlet port is simultaneously connected with an outlet of an internal circulating pump, an outlet of a sludge recovery pump and an air outlet of a blasting system, an inlet of the water inlet pump is connected with a wastewater source, an inlet of the sludge recovery pump is connected with a wastewater sedimentation tank, an inlet pipe is connected with an inlet of the internal circulating pump, and a water inlet of the inlet pipe extends into the reactor body and is downwards arranged.
Further, the side wall of the reactor body is provided with a vent hole at a position higher than the water outlet weir.
Further, the reactor body is provided with a pH on-line monitor, a thermometer, an ORP analyzer and a dosing device at the position of the clean water area.
Further, the water inlet of the water inlet pipe is arranged at the central axis position of the reactor body, and the water inlet is of a horn-shaped opening structure.
Furthermore, the water distribution system comprises a main pipe which is horizontally arranged and a plurality of branch pipes which are arranged side by side and are communicated with the main pipe, two ports of the main pipe are two water inlet ports of the water distribution system, and each branch pipe is upwards provided with a plurality of water outlet holes.
Further, the reactor body is externally wrapped with an insulating layer.
Further, the heat preservation layer is an aluminum silicate plate heat preservation layer, and a galvanized iron sheet protection layer is wrapped outside the aluminum silicate plate heat preservation layer.
Further, the reactor body is a cylindrical tank body, and the diameter of the clear water area is larger than that of the suspended sludge area;
the water inlet of the water inlet pipe is positioned at the upper position of the suspended sludge area.
Compared with the prior art, the efficient hydrolysis fluidized bed reactor for pretreatment of pharmaceutical wastewater has the following advantages:
(1) According to the utility model, the sludge generated in the wastewater treatment system is input into the reactor body, so that the problem of sludge loss when the rising flow rate in the existing pretreatment hydrolysis tank is increased is solved, the concentration of the sludge in the mixed liquid formed by the wastewater and the sludge is increased, the mixing degree of the wastewater and the sludge is increased, and the degradation efficiency of the wastewater is further improved.
(2) The utility model adopts an internal circulation mode to provide the waste water rising power, improves the rising flow velocity of the waste water in the reactor, improves the mass transfer efficiency, ensures that the sludge is fully contacted with organic matters in the waste water while carrying out efficient mass transfer, and improves the reaction efficiency.
(3) According to the utility model, the reactor is provided with the pH on-line monitor and the dosing device, the pH value of the wastewater in the reactor measured by the pH on-line monitor can be added with corresponding alkali by the dosing device, so that the pH value of the wastewater in the reactor is in an optimal reaction range of 5.5-6.5, and the wastewater pretreatment effect is improved.
(4) The reactor is provided with the ORP analyzer and the blower system, the current reaction state is judged through the oxidation-reduction potential value measured by the ORP analyzer, the oxidation-reduction potential value can be controlled within the optimal reaction range of-200 mV to-100 mV by utilizing the blower system and the measure of adding the reducing agent, and the waste water pretreatment effect is improved.
(5) The water inlet of the reactor, the sewage internal circulation system, the sludge recycling and the blast aeration all enter the reactor through the same set of water distribution system, so that the impact force of the blast system can be utilized to eliminate the hidden trouble of blocking the water distribution pipe while the gas and the water are fully mixed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of a fluidized bed reactor for efficient hydrolysis for pretreatment of pharmaceutical wastewater according to an embodiment of the utility model;
fig. 2 is a schematic diagram of a water distribution system in an embodiment of the present utility model.
Reference numerals illustrate:
1-a reactor body; 101-a clear water zone; 102-a suspended sludge zone; 2-pH on-line monitor; 3-thermometer; a 4-ORP analyzer; 5-a dosing device; 6, an insulating layer; 7-a blower system; 8-an internal circulation pump; 9-a sludge recovery pump; 10-a water distribution system; 11-water inlet; 12-water outlet weir; 13-a water outlet; 14-a water inlet pump; 15-a main pipe; 16-branch pipes; 17-a water outlet hole; 18-water inlet pipe.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
A high-efficiency hydrolysis fluidized bed reactor for pretreatment of pharmaceutical wastewater is shown in fig. 1, and comprises a reactor body 1, wherein the reactor body 1 is of a cylindrical tank body structure of a carbon steel corrosion-resistant structure. The water inlet mode of the reactor body 1 is an up-flow mode of lower inlet and upper outlet, the bottom of the inner cavity of the reactor body 1 is provided with a water distribution system 10, wastewater enters the reactor through the water distribution system 10, the upper end position of the inner wall of the reactor body 1 is provided with a water outlet weir 12, the water outlet weir 12 adopts a stainless steel right-angle triangular weir structure, the water outlet weir 12 and the side wall of the reactor body 1 form an annular water outlet groove, the side wall of the reactor body 1 is provided with a water outlet 13, the water outlet 13 is communicated with the water outlet groove, and wastewater which is subjected to front-stage decomposition treatment in the reactor overflows into the water outlet groove from the water outlet weir 12 and is discharged from the water outlet 13. The side wall of the reactor body 1 is provided with a vent hole at a position higher than the water outlet weir 12, so that the stability of the internal air pressure is ensured. The bottom of the reactor body 1 is provided with a water outlet (not shown in the figure), and after the pretreatment of the wastewater is completed, the residual wastewater and slurry are discharged through the water outlet, and then the reactor is cleaned.
In this embodiment, the inner cavity of the reactor body 1 is divided into a clear water area 101 and a suspended sludge area 102, the clear water area 101 is above the suspended sludge area 102 and is communicated with the suspended sludge area 102, and the diameter of the clear water area 101 is larger than that of the suspended sludge area 102. The water outlet weir 12 is arranged at the upper part of the clean water area 101, and clean water formed in the clean water area overflows to the water outlet tank and is discharged through the water outlet 13 for subsequent wastewater treatment operation.
In this embodiment, as shown in fig. 2, the structure of the water distribution system 10 includes a main pipe 15 horizontally disposed, and a plurality of branch pipes 16 parallel and communicated with the main pipe 15, each branch pipe 16 is upwardly provided with a plurality of water outlet holes 17, two ports of the main pipe 15 are two water inlet ports of the water distribution system 10, both water inlet ports extend out of the reactor body 1, one water inlet port is connected with a water inlet pump 14, and wastewater to be treated and produced by pharmacy is pumped by the water inlet pump 14 and enters the reactor body 1 through the water distribution system 10. The other end of the main pipe 15 is connected with the internal circulation pump 8, the sludge recovery pump 9 and the blower system 7. The blower system 7 comprises a blower, the blower is started, and external air is input into the reactor through the water distribution system. The sludge recovery pump 9 is connected with the sedimentation tank to form a sewage recovery system, the sludge recovery pump 9 pumps sludge formed by sedimentation in the sedimentation tank in the subsequent treatment of wastewater, and the sludge is recovered into the reactor body 1 through the water distribution system to form mixed liquid with the wastewater in the reactor body 1, so that the concentration of the sludge in the reactor body 1 is improved, the pumping of the sludge is improved, the contact effect of the wastewater and the sludge is improved, the mass transfer effect and the efficiency are improved, the substrates are fully contacted, the reaction efficiency is improved, and the degradation efficiency of the wastewater is improved. The sludge layer can also intercept and adsorb suspended particulate matters or colloid matters in the wastewater, and plays a role in filtering. Meanwhile, the facultative microorganisms in the sludge hydrolyze the trapped insoluble organic matters into soluble organic matters under the action of hydrolytic bacteria and acidizing bacteria, and convert the substances difficult to biodegrade in macromolecules into substances biodegradable in small molecules.
The inlet of the internal circulation pump 8 is connected with a water inlet pipe 18, a water inlet 11 of the water inlet pipe 18 extends into the reactor body 1 and is positioned at the upper position of the suspended sludge area 102, and the water inlet 11 of the water inlet pipe 18 faces downwards to form an internal circulation system. Preferably, the water inlet 11 of the water inlet pipe 18 is arranged at the central axis position of the reactor body 1, and the water inlet 11 is of a horn-shaped opening structure, so that sewage can uniformly flow during internal circulation operation. The internal circulation pump 8 is utilized to pump out part of mixed liquid formed by wastewater and sludge in the reactor body 1 through the water inlet pipe, and then the mixed liquid is pumped into the reactor body 1 again through the water distribution system 10, namely part of wastewater is subjected to internal circulation, so that the mass transfer efficiency is improved, substrates are fully contacted, and the reaction efficiency is further improved.
Therefore, the wastewater enters the reactor through the water distribution system 10, and the internal circulation system, the sludge recovery system and the air blowing system are simultaneously connected with the water distribution system, so that the impact force of the air blowing system 7 is utilized to eliminate hidden danger of blockage of the water distribution pipe while the gas and the water in the reactor are fully mixed.
In this embodiment, the reactor body 1 is provided with a pH on-line monitor 2, a thermometer 3, an ORP analyzer 4 and a dosing device 5 at the location of the clean water zone 101. The dosing device 5 comprises a plurality of medicine tanks for containing different medicines, the medicine tanks are communicated with the reactor body 1, and corresponding dosing operation is carried out on the medicine tanks according to different conditions of wastewater reaction in the reactor body 1 so as to control the wastewater reaction. For example, according to the condition of the pH value of the sewage in the reactor measured by the pH online monitor 2, the alkali adding operation can be performed by the chemical adding device 5, so that the pH value of the sewage in the reactor is controlled to be in an optimal reaction range of 5.5-6.5. The oxidation-reduction potential value of the wastewater in the reactor body can be controlled between-200 mV and-100 mV by judging the current reaction state in the reactor through the oxidation-reduction potential value measured by the ORP analyzer 4 and by utilizing a blasting system and a measure of adding a reducing agent through the dosing device 5.
In this embodiment, the reactor body 1 is wrapped with the heat-insulating layer 6, the heat-insulating layer 6 is made of aluminum silicate plate material, and is wrapped with the galvanized iron sheet protection layer, and the heat-insulating layer 6 provides a relatively stable temperature environment for hydrolysis reaction in the reactor.
According to the utility model, high-concentration organic wastewater to be treated enters the reactor, water is uniformly distributed through the water distribution system 10, the water is uniformly mixed with the sludge layer, suspended particulate matters or colloid matters in the wastewater can be trapped and adsorbed by the sludge layer, the filtering effect is achieved, meanwhile, the trapped insoluble organic matters are hydrolyzed into soluble organic matters under the action of hydrolytic bacteria and acidizing bacteria by facultative microorganisms in the sludge, the substances difficult to biodegrade in macromolecules are converted into substances difficult to biodegrade in micromolecules, the front-stage treatment of the wastewater is completed, and the treated wastewater is discharged through the water outlet 13 at the upper part of the reactor and enters the subsequent treatment process.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (8)
1. A pharmaceutical wastewater pretreatment high-efficiency hydrolysis fluidized bed reactor is characterized in that: comprises a reactor body (1), wherein the inner cavity of the reactor body is divided into a clear water area (101) and a suspended sludge area (102) which are communicated from top to bottom; the upper part of the inner wall of the reactor body (1) is provided with a water outlet weir (12), the upper part of the side wall of the reactor body (1) is provided with a water outlet (13) corresponding to the water outlet weir (12), and the bottom of the inner cavity of the reactor body (1) is provided with a water distribution system (10);
the water distribution system (10) is provided with a plurality of water outlet holes (17) and two water inlet ports, the two water inlet ports extend out of the reactor body (1), one water inlet port is connected with the outlet of a water inlet pump (14), and wastewater to be treated and produced by pharmacy is extracted through the water inlet pump (14); the other inlet port is connected with an outlet of an internal circulating pump (8), an outlet of a sludge recovery pump (9) and a blasting system (7), an inlet of the inlet pump (14) is connected with a wastewater source, an inlet of the sludge recovery pump (9) is connected with a wastewater sedimentation tank, an inlet of the internal circulating pump (8) is connected with a water inlet pipe (18), and a water inlet (11) of the water inlet pipe (18) extends into the reactor body (1) and is arranged downwards.
2. The efficient hydrolysis fluidized bed reactor for pretreatment of pharmaceutical wastewater according to claim 1, which is characterized in that: the side wall of the reactor body (1) is provided with a vent hole at a position higher than the water outlet weir (12).
3. The efficient hydrolysis fluidized bed reactor for pretreatment of pharmaceutical wastewater according to claim 1, which is characterized in that: the reactor body (1) is provided with a pH on-line monitor (2), a thermometer (3), an ORP analyzer (4) and a dosing device (5) at the position of the clear water zone (101).
4. The efficient hydrolysis fluidized bed reactor for pretreatment of pharmaceutical wastewater according to claim 1, which is characterized in that: the water inlet (11) of the water inlet pipe (18) is arranged at the central axis position of the reactor body (1), and the water inlet (11) is of a horn-shaped opening structure.
5. The efficient hydrolysis fluidized bed reactor for pretreatment of pharmaceutical wastewater according to claim 1, which is characterized in that: the water distribution system (10) comprises a main pipe (15) horizontally arranged and a plurality of branch pipes (16) which are arranged side by side and are communicated with the main pipe (15), two ports of the main pipe (15) are two water inlet ports of the water distribution system (10), and each branch pipe (16) is provided with a plurality of water outlet holes (17) upwards.
6. The efficient hydrolysis fluidized bed reactor for pretreatment of pharmaceutical wastewater according to claim 1, which is characterized in that: the reactor body (1) is wrapped with a heat preservation layer (6).
7. The efficient hydrolysis fluidized bed reactor for pretreatment of pharmaceutical wastewater according to claim 6, wherein: the heat preservation layer (6) is an aluminum silicate plate heat preservation layer, and a galvanized iron sheet protection layer is wrapped outside the aluminum silicate plate heat preservation layer.
8. The efficient hydrolysis fluidized bed reactor for pretreatment of pharmaceutical wastewater according to claim 1, which is characterized in that: the reactor body (1) is a cylindrical tank body, and the diameter of the clear water area (101) is larger than that of the suspended sludge area (102);
the water inlet (11) of the water inlet pipe (18) is positioned at the upper position of the suspended sludge area (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321954617.8U CN219709272U (en) | 2023-07-25 | 2023-07-25 | Efficient hydrolysis fluidized bed reactor for pretreatment of pharmaceutical wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321954617.8U CN219709272U (en) | 2023-07-25 | 2023-07-25 | Efficient hydrolysis fluidized bed reactor for pretreatment of pharmaceutical wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219709272U true CN219709272U (en) | 2023-09-19 |
Family
ID=88005777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321954617.8U Active CN219709272U (en) | 2023-07-25 | 2023-07-25 | Efficient hydrolysis fluidized bed reactor for pretreatment of pharmaceutical wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219709272U (en) |
-
2023
- 2023-07-25 CN CN202321954617.8U patent/CN219709272U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107010788B (en) | Large-scale pig farm cultivation wastewater treatment system and method | |
| CN100390081C (en) | Process method for waste water containing nitrobenzene and aniline | |
| CN104140170B (en) | Heterogeneous effect Sewage advanced treatment reactor | |
| CN108314255A (en) | A kind of efficient Chinese herbal medicine extraction sewage treatment process | |
| CN112939216B (en) | Organic wastewater built-in block anaerobic reactor | |
| CN108033558A (en) | Strengthen the method for dyeing waste water hydrolysis acidification performance | |
| CN219709272U (en) | Efficient hydrolysis fluidized bed reactor for pretreatment of pharmaceutical wastewater | |
| CN207210064U (en) | Internal-circulation type biofilter anaerobic reactor | |
| CN207192920U (en) | Highly effective anaerobic reaction dephosphorization equipment | |
| CN1186269C (en) | Device for electro-biologic treatment of organic sewage difficult to degrade | |
| CN205367861U (en) | Biological mud reactor of tertiary two inner loop | |
| CN213112847U (en) | Electrophoresis effluent disposal system | |
| CN108341560A (en) | A kind of Small Town Wastewater treatment process based on anaerobism MBR technology | |
| CN210237393U (en) | Sinomenine hydrochloride production sewage treatment system | |
| CN210595683U (en) | Medical wastewater treatment device | |
| CN203392982U (en) | High-concentration organic wastewater treatment device | |
| CN208667394U (en) | A kind of low energy consumption anaerobic membrane biological reaction system | |
| CN112811732A (en) | System for efficiently treating acrylonitrile wastewater and combined process thereof | |
| CN212954497U (en) | Novel ABR biochemical reaction test device | |
| CN206089151U (en) | Fenton oxidation reacts integrated device | |
| CN212655648U (en) | Acetate industrial wastewater treatment system | |
| CN210419428U (en) | Tower type multistage hydrolysis acidification device | |
| CN212924560U (en) | Improvement type ABR biochemical test device | |
| CN210012654U (en) | High-concentration organic wastewater treatment device beneficial to degradation of macromolecular organic matters | |
| CN213623484U (en) | Membrane type anaerobic and MBBR membrane type aerobic integrated sewage treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |