CN204999680U - Good oxygen biochemical reactions system - Google Patents
Good oxygen biochemical reactions system Download PDFInfo
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- CN204999680U CN204999680U CN201520668326.1U CN201520668326U CN204999680U CN 204999680 U CN204999680 U CN 204999680U CN 201520668326 U CN201520668326 U CN 201520668326U CN 204999680 U CN204999680 U CN 204999680U
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- sedimentation tank
- biochemical
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- 238000005842 biochemical reaction Methods 0.000 title claims abstract description 39
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 239000001301 oxygen Substances 0.000 title claims abstract description 21
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 91
- 239000002351 wastewater Substances 0.000 claims abstract description 35
- 238000000926 separation method Methods 0.000 claims abstract description 14
- 238000004062 sedimentation Methods 0.000 claims description 42
- 239000007788 liquid Substances 0.000 claims description 28
- 239000010802 sludge Substances 0.000 claims description 20
- 239000006228 supernatant Substances 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 239000000706 filtrate Substances 0.000 claims description 3
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 abstract 1
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 238000005273 aeration Methods 0.000 description 2
- 238000005276 aerator Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model discloses a good oxygen biochemical reactions system, include: biochemical reactor and mud -water separation device still include: pressurization dissolved oxygen device, wherein, the biochemical reactor bottom is provided with the waste water water inlet, and the top is provided with the overflow mouth, pressurization dissolved oxygen device includes: high -pressure pump, air compressor, water dart, pressure dissolved air vessel and releaser, the water dart is provided with first port, second port and third port. Adopt the technical scheme of the utility model, can improve the utilization ratio of air, dissolved oxygen volume in the increase waste water improves biochemical reactions efficiency.
Description
Technical Field
The utility model relates to a sewage treatment field, in particular to good oxygen biochemical reaction system.
Background
The aerobic biochemical reaction system generally comprises an aeration device, a sludge-water separation device and an aerobic biochemical device, wherein in the prior art, a core component of the aeration device is generally an aerator arranged in the aerobic biochemical device, and when the aerobic biochemical reaction system is used for treating wastewater, air is directly introduced into the aerobic biochemical device through the aerator to perform aerobic biochemical reaction with the wastewater. However, the air introduced into the aerobic biochemical reaction device by the above method has two disadvantages, one is that the air dissolution rate is low, the diameter of the bubbles is relatively large, generally 80-100 μm, the gas-liquid joint between the large bubbles and the wastewater is not sufficient, and the bubbles are easy to contact and collide with each other to form larger bubbles in the rising process; the above two disadvantages result in low utilization of oxygen in the air introduced into the aerobic biochemical reaction device, and ultimately result in low biochemical reaction efficiency in the aerobic biochemical reaction device.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide an good oxygen biochemical reaction system for solve the problem that the oxygen utilization ratio that current good oxygen biochemical reaction system exists is low and finally leads to biochemical reaction inefficiency.
In order to solve the problem, the embodiment of the utility model discloses an aerobic biochemical reaction system, the technical scheme is as follows:
an aerobic biochemical reaction system comprising: biochemical reactor and mud-water separation equipment still includes: a pressurized oxygen dissolving device; wherein,
the bottom of the biochemical reactor is provided with a wastewater inlet, and the top of the biochemical reactor is provided with an overflow port;
the pressurized dissolved oxygen device comprises: the device comprises a high-pressure pump, an air compressor, a water ejector, a pressure dissolved air tank and a releaser, wherein the water ejector is provided with a first port, a second port and a third port;
air enters the second port of the water ejector through an air compressor and is mixed with clean water entering the first port of the water ejector through a high-pressure pump to form air-water mixed liquid, the air-water mixed liquid is discharged from the third port of the water ejector and then enters a pressure dissolved air tank, and the air-water mixed liquid in the pressure dissolved air tank provides bubbles for the biochemical reactor through a releaser arranged at the bottom of the biochemical reactor;
the wastewater enters the biochemical reactor from the wastewater inlet, bubbles are provided for the wastewater by the releaser for aerobic biochemical reaction, the wastewater after the reaction enters the mud-water separation device through the overflow port for mud-water separation, and the separated sludge and clear liquid are respectively discharged.
Wherein, mud-water separation equipment includes: the system comprises a sedimentation tank, a sedimentation tank effluent storage tank and a sludge circulating pump, wherein the sedimentation tank is provided with a sludge discharge port, and the sedimentation tank effluent storage tank is provided with a water discharge port;
the wastewater after reaction enters a sedimentation tank through an overflow port for sedimentation, supernatant on the upper part of the sedimentation tank flows into a water outlet storage tank of the sedimentation tank, and sludge at the bottom of the sedimentation tank returns to the biochemical reactor again through a sludge circulating pump according to a first preset proportion and is discharged out of an aerobic biochemical reaction system through a sludge discharge port at the bottom of the sedimentation tank;
supernatant in the effluent storage pool of the sedimentation tank enters a first port of the water injector through a high-pressure pump and is discharged out of the aerobic biochemical reaction system through a water outlet of the effluent storage pool of the sedimentation tank according to a second preset proportion.
In a preferred embodiment of the present invention, the system further comprises a filtering device, the filtering device comprises: a lift pump, a filter and a filter water outlet storage pool;
the supernatant in the sedimentation tank water outlet storage pool firstly enters a filter through a lifting pump for filtration treatment before entering the first port of the water ejector through a high-pressure pump, and the filtered filtrate enters the filter water outlet storage pool and then enters the first port of the water ejector through the high-pressure pump.
In a preferred embodiment of the present invention, at least one baffling column is disposed in the biochemical reactor, and two end surfaces of the baffling column are connected to the inner sidewall of the biochemical reactor.
In a preferred embodiment of the present invention, at least one pair of flow columns is spirally arranged along the height direction of the biochemical reactor; one end face of each baffling column in each pair of baffling columns is connected with the inner side wall of the biochemical reactor, the other end face of each baffling column extends into the biochemical reactor, and the two baffling columns of each pair of baffling columns are oppositely arranged on the same cross section in the biochemical reactor to form a gap of each pair of baffling columns; the center point of the gap of each pair of the flow columns does not coincide with the projection of the center point of the gap of the adjacent pair of the flow columns on the horizontal plane.
In a preferred embodiment of the present invention, the cross sections of two adjacent pairs of deflecting columns are parallel.
In a preferred embodiment of the present invention, the distance between the cross-sections of two adjacent pairs of deflecting columns is equal.
In a preferred embodiment of the present invention, a pressure reducing valve is disposed at the top of the pressure dissolved air tank.
In a preferred embodiment of the present invention, a regulating valve is provided between the pressure dissolved air tank and the releaser.
The technical proposal of the utility model forms the gas-water mixed liquid by mixing the air and the clean water at the water injector, and sends the obtained gas-water mixed liquid into the pressure dissolved air tank, and under the action of the pressure, the gas-water mixed liquid has higher gas dissolving rate; in addition, the gas-water mixed liquid is released into the biochemical reactor through a releaser arranged at the bottom of the biochemical reactor, and in the releasing process, gas in the gas-water mixed liquid can form bubbles with the diameter of 20-30 mu m, so that the gas-liquid contact of the bubbles and the wastewater is more sufficient, the utilization rate of the air is further improved, the dissolved oxygen in the wastewater is increased, and the biochemical reaction efficiency is improved.
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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only 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 structural diagram of a first aerobic biochemical reaction system provided in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a second aerobic biochemical reaction system provided in an embodiment of the present invention;
FIG. 3 is a perspective view of a baffle column inside a biochemical reactor;
FIG. 4 is a top view of a baffling column inside a biochemical reactor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
An aerobic biochemical reaction system, see fig. 1, may comprise: biochemical reactor 100 and mud-water separation equipment still include: a pressurized oxygen dissolving device; wherein,
the bottom of the biochemical reactor 100 is provided with a wastewater inlet 1, and the top is provided with an overflow port 2;
the pressurized dissolved oxygen device comprises: the device comprises a high-pressure pump 3, an air compressor 4, a water ejector 5, a pressure dissolved air tank 6 and a releaser 7, wherein the water ejector 5 is provided with a first port, a second port and a third port;
air enters a second port of the water ejector 5 through the air compressor 4 and is mixed with clean water entering a first port of the water ejector 5 through the high-pressure pump 3 to form air-water mixed liquid, the air-water mixed liquid is discharged from a third port of the water ejector 5 and then enters the pressure dissolved air tank 6, and the air-water mixed liquid in the pressure dissolved air tank 6 is released into the biochemical reactor 100 through a releaser 7 arranged at the bottom of the biochemical reactor 100 to provide bubbles;
the wastewater enters the biochemical reactor 100 from the wastewater inlet 1, a large amount of bubbles are provided by the releaser 7 to carry out aerobic biochemical reaction, the wastewater after the reaction enters the mud-water separation device through the overflow port 2 to carry out mud-water separation, and the separated sludge and clear liquid are respectively discharged.
It should be noted that the source of the clean water entering the first port of the water ejector 5 is not limited herein, as long as it does not affect the reaction in the biochemical reactor 100. For example, the wastewater may be treated by an aerobic biochemical reaction system, or circulating water or recycled water from other sources may be used, and the clear water from which the source is specifically used is determined by a skilled person according to the actual treatment condition.
It should be further noted that the present invention is not limited herein, and the biochemical reactor 100 and the mud-water separator can be realized by the existing biochemical reactor and the existing mud-water separator. Additionally, the utility model provides a high-pressure pump, air compressor, water dart, pressure that pressurization dissolved oxygen device adopted dissolve gas pitcher and releaser are the equipment commonly used in the field, can directly purchase the finished product or adopt prior art to obtain, the utility model discloses do not do specifically to restrict here.
The technical proposal of the utility model forms the gas-water mixed liquid by mixing the air and the clean water at the water ejector, and sends the obtained gas-water mixed liquid into the pressure dissolved air tank, under the action of the pressure, the gas-water mixed liquid has higher gas dissolving rate which can reach more than 90 percent; in addition, the gas-water mixed liquid is released into the biochemical reactor 100 through a releaser arranged at the bottom of the biochemical reactor 100, and in the releasing process, the air dissolved in the gas-water mixed liquid is rapidly decompressed, so that a large amount of fine, uniform-granularity, dense and stable bubbles with the average diameter of 20-30 microns can be released, the gas-liquid contact of the bubbles and the wastewater is more sufficient, the utilization rate of the air is further improved, and the biochemical reaction efficiency is improved.
It can be understood that the diameter of the bubble that the releaser released can be adjusted through the releaser of different producers, different models, different specifications, and the technical staff can select the releaser of other specifications with the bubble of releasing suitable diameter according to the actual processing condition, the utility model discloses do not prescribe a limit herein.
In practical application, referring to fig. 1, the mud-water separation device may include: the system comprises a sedimentation tank 8, a sedimentation tank effluent storage tank 9 and a sludge circulating pump 10, wherein the sedimentation tank is provided with a sludge discharge port 11, and the sedimentation tank effluent storage tank is provided with a water discharge port 12;
the wastewater after reaction enters a sedimentation tank 8 through an overflow port 2 for sedimentation, supernatant on the upper part of the sedimentation tank 8 flows into a sedimentation tank water outlet storage tank 9, sludge at the bottom of the sedimentation tank 8 returns to a biochemical reactor 100 through a sludge circulating pump 10 according to a first preset proportion and is discharged out of an aerobic biochemical reaction system through a sludge discharge port 11 at the bottom of the sedimentation tank;
supernatant in the effluent storage tank 9 of the sedimentation tank enters a first port of a water injector 5 through a high-pressure pump 3 and is discharged out of the aerobic biochemical reaction system through a water outlet 12 of the effluent storage tank 9 of the sedimentation tank according to a second preset proportion.
It should be noted that the specific value of the first preset ratio may be determined by a skilled person according to the actual conditions such as the quality of wastewater, the amount of sludge, and the age of sludge, and the specific value is not limited herein.
Similarly, the specific value of the second predetermined ratio can be adjusted by a technician according to the dissolved oxygen requirement of the biochemical reactor 100, and the specific value is not limited herein.
The supernatant in the effluent storage tank 9 of the sedimentation tank is subjected to sedimentation treatment, but may contain some fine particles and colloidal substances which are difficult to precipitate, and the suspended substances may block the releaser 7 and influence the oxygen dissolving effect. In order to solve the problem, as shown in fig. 2, the aerobic biochemical reaction system provided by the present invention may further include a filtering device, where the filtering device includes: a lift pump 13, a filter 14 and a filter effluent storage tank 15;
the supernatant in the sedimentation tank effluent storage tank 9 firstly enters a filter 14 through a lifting pump 13 for filtration treatment before entering the first port of the water ejector 5 through the high-pressure pump 3, and the filtered filtrate enters a filter effluent storage tank 15 and then enters the first port of the water ejector 5 through the high-pressure pump 3.
The filter 14 can further remove fine particles and colloidal substances in the supernatant in the effluent storage tank 9 of the sedimentation tank, prevent the releaser 7 from being blocked and ensure the oxygen dissolving effect.
It should be noted that the filter 14 is also a common device in the art, and is commercially available, and the present invention is not limited thereto.
Waste water flow in-process in biochemical reactor 100, the flow rate of waste water is faster, and the probability of bubble collision each other and the energy of collision that dissolve in aquatic are also bigger, makes the small bubble fuse into the big bubble because of the collision easily, and when a plurality of small bubbles formed a big bubble, its gas-liquid area of contact reduces greatly for the utilization ratio reduction of air influences biochemical reaction efficiency. In order to reduce the flow rate of the wastewater, a baffle column may be added to the biochemical reactor 100 of each of the above systems to baffle the rising wastewater, so as to slow down the flow rate of the wastewater. The specific form of the baffle column may be determined by a skilled person, and the present invention is not particularly limited thereto. For example:
in a preferred embodiment of the above systems, at least one baffling column may be spirally disposed in the biochemical reactor 100 along the height direction of the biochemical reactor 100, and two end surfaces of the baffling column are connected to the inner side wall of the biochemical reactor 100.
In another preferred embodiment of the above systems, referring to fig. 3 and 4, at least one pair of flow columns may be spirally arranged along the height direction of the biochemical reactor 100; one end face of each baffling column in each pair of baffling columns is connected with the inner side wall of the biochemical reactor 100, the other end face of each baffling column extends into the biochemical reactor 100, and the two baffling columns of each pair of baffling columns are oppositely arranged on the same cross section in the biochemical reactor 100 to form a gap of the baffling column; the center point of the gap of each pair of the flow columns does not coincide with the projection of the center point of the gap of the adjacent pair of the flow columns on the horizontal plane. In the preferred embodiment, the flow velocity of the wastewater can be reduced, and the path of air-water movement can be prolonged, so that the gas-liquid contact time is prolonged, and the biochemical reaction efficiency is improved.
In practical application, the cross sections of two adjacent pairs of deflecting columns can be parallel. The distance between the cross sections of two adjacent pairs of deflecting columns can also be equal.
The above-mentioned baffling column not only can reduce the velocity of flow of waste water, to the bubble that increases that results from colliding, can also play the effect of cutting. Meanwhile, the baffling column can also provide attachment sites for the growth of bacteria participating in biochemical reaction, so that the bacteria are more fully contacted with the wastewater, and the biochemical reaction efficiency is improved.
It should be noted that fig. 3 is a perspective view of the baffle columns inside the biochemical reactor 100, and mainly shows the arrangement and distribution of the baffle columns inside the biochemical reactor 100, so that components such as the releaser need not be shown.
It should be further noted that other specific forms of the deflecting column, which are described and exemplified in the present invention with respect to the function of the deflecting column, are within the scope of the present invention.
In practical application, the top of the pressure container tank 6 may be provided with a pressure reducing valve 16, so that the pressurized air accumulated in the top of the pressure container tank 6 can be periodically discharged, and the effective volume of the pressure container tank 6 is prevented from being reduced due to the existence of the pressurized air.
In practical application, a regulating valve 17 is arranged between the pressure dissolved air tank 6 and the releaser 7, and the amount of the air-water mixed liquid in the pressure dissolved air tank 6 released into the biochemical reactor 100 can be regulated according to the biochemical reaction requirement through the regulating valve 17.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (9)
1. An aerobic biochemical reaction system comprising: biochemical reactor and mud-water separation equipment, its characterized in that still includes: a pressurized oxygen dissolving device; wherein,
the bottom of the biochemical reactor is provided with a wastewater inlet, and the top of the biochemical reactor is provided with an overflow port;
the pressurized dissolved oxygen device comprises: the device comprises a high-pressure pump, an air compressor, a water ejector, a pressure dissolved air tank and a releaser, wherein the water ejector is provided with a first port, a second port and a third port;
air enters the second port of the water ejector through an air compressor and is mixed with clean water entering the first port of the water ejector through a high-pressure pump to form air-water mixed liquid, the air-water mixed liquid is discharged from the third port of the water ejector and then enters a pressure dissolved air tank, and the air-water mixed liquid in the pressure dissolved air tank provides bubbles for the biochemical reactor through a releaser arranged at the bottom of the biochemical reactor;
the wastewater enters the biochemical reactor from the wastewater inlet, bubbles are provided for the wastewater by the releaser for aerobic biochemical reaction, the wastewater after the reaction enters the mud-water separation device through the overflow port for mud-water separation, and the separated sludge and clear liquid are respectively discharged.
2. The system of claim 1, wherein the mud-water separation device comprises: the system comprises a sedimentation tank, a sedimentation tank effluent storage tank and a sludge circulating pump, wherein the sedimentation tank is provided with a sludge discharge port, and the sedimentation tank effluent storage tank is provided with a water discharge port;
the wastewater after reaction enters a sedimentation tank through an overflow port for sedimentation, supernatant on the upper part of the sedimentation tank flows into a water outlet storage tank of the sedimentation tank, and sludge at the bottom of the sedimentation tank returns to the biochemical reactor again through a sludge circulating pump according to a first preset proportion and is discharged out of an aerobic biochemical reaction system through a sludge discharge port at the bottom of the sedimentation tank;
supernatant in the effluent storage pool of the sedimentation tank enters a first port of the water injector through a high-pressure pump and is discharged out of the aerobic biochemical reaction system through a water outlet of the effluent storage pool of the sedimentation tank according to a second preset proportion.
3. The system of claim 2, further comprising a filtering device, the filtering device comprising: a lift pump, a filter and a filter water outlet storage pool;
the supernatant in the sedimentation tank water outlet storage pool firstly enters a filter through a lifting pump for filtration treatment before entering the first port of the water ejector through a high-pressure pump, and the filtered filtrate enters the filter water outlet storage pool and then enters the first port of the water ejector through the high-pressure pump.
4. The system according to any one of claims 1 to 3, wherein at least one baffling column is disposed in the biochemical reactor, and two end faces of the baffling column are connected to the inner side wall of the biochemical reactor.
5. The system according to any one of claims 1 to 3, wherein at least one pair of flow pillars is spirally arranged along the height direction of the biochemical reactor; one end face of each baffling column in each pair of baffling columns is connected with the inner side wall of the biochemical reactor, the other end face of each baffling column extends into the biochemical reactor, and the two baffling columns of each pair of baffling columns are oppositely arranged on the same cross section in the biochemical reactor to form a gap of each pair of baffling columns; the center point of the gap of each pair of the flow columns does not coincide with the projection of the center point of the gap of the adjacent pair of the flow columns on the horizontal plane.
6. The system of claim 5, wherein the cross-sections of two adjacent pairs of flow columns are parallel.
7. The system of claim 6, wherein the distance between the cross-sections of two adjacent pairs of flow columns is equal.
8. The system of claim 1, wherein a pressure relief valve is provided at the top of the pressure vessel.
9. The system of claim 1, wherein a regulator valve is disposed between the pressurized canister and the release.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520668326.1U CN204999680U (en) | 2015-08-31 | 2015-08-31 | Good oxygen biochemical reactions system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520668326.1U CN204999680U (en) | 2015-08-31 | 2015-08-31 | Good oxygen biochemical reactions system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107117705A (en) * | 2017-07-05 | 2017-09-01 | 南京乐翼环境科技有限公司 | A kind of high load capacity biology aerobic oxidative system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107117705A (en) * | 2017-07-05 | 2017-09-01 | 南京乐翼环境科技有限公司 | A kind of high load capacity biology aerobic oxidative system |
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Effective date of registration: 20160829 Address after: 300140 Tianjin City, Hebei District Wanghai Street No. 185 New Road No. 1 Building 2 layer Patentee after: Bo Tian Environmental Technology (Tianjin) Co., Ltd. Address before: 100082 Beijing Xizhimen North Street, Shougang International Building, No. 60, 12A Patentee before: POTEN ENVIRONMENT GROUP CO., LTD. |
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Effective date of registration: 20210329 Address after: 09, 5 / F, 60 Xizhimen North Street, Haidian District, Beijing 100082 Patentee after: POTEN ENVIRONMENT GROUP Co.,Ltd. Address before: 300140 2nd floor, building 1, 185 Xinda Road, wanghailou street, Hebei District, Tianjin Patentee before: BOTIAN ENVIRONMENT TECHNOLOGY (TIANJIN) Co.,Ltd. |
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