CN109809555B - Quick biofilm formation and regeneration biological carrier system - Google Patents
Quick biofilm formation and regeneration biological carrier system Download PDFInfo
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- CN109809555B CN109809555B CN201811394629.3A CN201811394629A CN109809555B CN 109809555 B CN109809555 B CN 109809555B CN 201811394629 A CN201811394629 A CN 201811394629A CN 109809555 B CN109809555 B CN 109809555B
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Abstract
The invention discloses a biological carrier system for rapid film formation and regeneration, which comprises: the biological carrier is used for purifying the sewage; the biological carrier is electrically connected with an external power supply through a first lead; the ORP monitoring module is used for monitoring the ORP value of the sewage to be treated in real time; the central processing unit is used for acquiring an ORP value acquired by the ORP detection module, and regulating the current passing through the biological carrier according to the ORP value until the ORP value reaches a preset value; the biological carrier system of the invention combines the electrolysis stimulation technology, realizes the rapid biofilm formation at the initial operation stage, accelerates the degradation of attached microorganisms in the operation process, reduces the discharge of excess sludge, and realizes the rapid shedding of the attached microorganisms during the later maintenance.
Description
Technical Field
The present invention relates to the field of biological vectors. More particularly, the present invention relates to a rapid biofilm formation and regeneration bio-carrier system.
Background
The biomembrane method has the advantages of high organic load, no sludge expansion and sludge backflow in operation management and the like, is widely applied to sewage treatment, and the biological carrier is the key of the biomembrane method, directly influences the oxygenation performance, the treatment effect, the energy consumption and the like of the biomembrane method, and accounts for a large proportion in construction investment.
However, the biofilm method still has the following main problems in the aspect of microbial biofilm formation: 1) the pollution load fluctuation is large at the initial stage of operation, the growth of microorganisms is slow, and the film hanging is not easy to occur; 2) after the system runs for a long time, the biological carriers are blocked, agglomerated, hardened and the like, so that the further growth of microorganisms is not facilitated, and the cleaning is troublesome.
Therefore, how to quickly and effectively form a film on the biological carrier is the key of the quality of the product, and meanwhile, along with the continuous propagation of the microorganisms, how to effectively accelerate the degradation of attached and decayed microorganisms has important practical significance for realizing sludge reduction and reducing the sludge treatment cost.
Disclosure of Invention
The invention provides a quick biofilm formation and regeneration biological carrier system, which is combined with an electrolytic stimulation technology, realizes quick biofilm formation at the initial operation stage, accelerates the degradation of attached microorganisms in the operation process, reduces the discharge of excess sludge, and realizes quick falling of the attached microorganisms during later maintenance.
In order to achieve the above object, the present invention provides a rapid biofilm formation and regeneration biological carrier system, comprising:
the biological carrier is used for purifying the sewage; the biological carrier is electrically connected with an external power supply through a first lead;
the ORP monitoring module is used for monitoring the ORP value of the sewage to be treated in real time;
and the central processing unit is used for acquiring the ORP value acquired by the ORP detection module, and regulating the current passing through the biological carrier according to the ORP value until the ORP value reaches a preset value.
Preferably, the quick biofilm formation and regeneration biological carrier system comprises a water purifying tank for accommodating sewage to be treated and biological bacteria for purification treatment.
Preferably, the fast biofilm formation and regeneration biological carrier system further comprises:
the dissolved oxygen monitoring module is used for monitoring the dissolved oxygen content of the sewage to be treated in real time;
and the temperature monitoring module monitors the temperature of the sewage to be treated in real time.
Preferably, the fast biofilm formation and regeneration biological carrier system further comprises:
and the current regulating device receives the central processing unit and regulates the current passing through the biological carrier.
Preferably, the fast biofilm formation and regeneration biological carrier system further comprises:
the water inlet tank is used for storing sewage;
and the water pump is used for pumping the sewage in the water inlet tank into the water purification tank.
Preferably, the biological carrier system for rapid film formation and regeneration comprises a central body made of elastic filler and fiber bundles distributed around the central body;
the central body is internally provided with a first lead and is electrically connected with an external power supply through the first lead.
Preferably, if the power supply is an alternating current power supply, the alternating current is converted into direct current, and then the power is supplied to the biological carrier.
Preferably, the central body of the rapid biofilm formation and regeneration biological carrier system is cylindrical.
Preferably, the biological carrier system of quick biofilm formation and regeneration still be equipped with cleaning device, install in the water purification case, cleaning device includes:
the T-shaped supporting strip is transversely erected in the water purifying tank; the vertical part of the T-shaped support bar is coaxially connected to a mounting shaft of an external motor; the T-shaped support bar is driven by a motor to rotate;
a pair of brush plates perpendicular to both ends of the horizontal portion of the T-shaped support bar; the brush plate can move along the horizontal part of the T-shaped support bar;
the opposite surfaces of the brush plates are respectively adhered with bristles, and the bristles are different in length;
the ventilation pipeline comprises annular pipelines which are horizontally distributed up and down and a plurality of vertical pipelines which are erected between the annular pipelines and the vertical pipelines, and the vertical pipelines are communicated with the adjacent annular pipelines; one of the annular pipelines is communicated with an external air source; the two annular pipelines are attached to the inner wall of the water purifying tank and are respectively close to the upper part and the lower part;
the air duct is communicated with a plurality of nozzles at intervals; all nozzles are directed towards the bio-carrier, injecting high pressure gas to the bio-carrier.
Preferably, the biological carrier system for rapid biofilm formation and regeneration comprises:
an inner sleeve;
the outer sleeve is sleeved outside the inner sleeve;
the inner sleeve and the outer sleeve are formed by connecting a plurality of pipe pieces, and two adjacent pipe pieces are connected through a first spring; the number of the segments of the inner sleeve and the outer sleeve is consistent and the segments of the inner sleeve and the outer sleeve are in one-to-one correspondence respectively, and the segments of the inner sleeve and the outer sleeve corresponding to each other are connected through a second spring;
the duct pieces are all of mesh structures with the thickness of 1-2 cm;
the inner sleeve is annular and hollow, the first lead is coaxially arranged in the inner sleeve in a penetrating mode, and the first lead is connected to the inner wall of the inner sleeve through a plurality of second leads.
The invention at least comprises the following beneficial effects:
1) the invention utilizes continuous electric field stimulation to promote cell metabolism, proliferation and enzyme activity in the initial stage of operation, and realizes the rapid biofilm formation of the microbial carrier;
2) the invention accelerates the oxidative decomposition of endogenous respiration of decaying cells in the operation process, promotes the metabolism of microorganisms and reduces the discharge of sludge; meanwhile, hydrogen generated by electrolysis stimulation is used as an electron donor, so that the denitrification capability of microorganisms is improved;
3) according to the invention, the activity of microorganisms is lost through pulse voltage during later-period maintenance, the microorganisms quickly fall off, and the problems of biological carrier blockage, agglomeration, hardening and the like are effectively solved;
4) the invention has the advantages of little power consumption, almost no increase of operation cost, convenient installation, little equipment modification and suitability for newly built or modified biomembrane process treatment systems.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic diagram showing the overall structure of the fast biofilm formation and regeneration biological carrier system in example 1;
FIG. 2 is a top view of the bio-carrier in example 1;
FIG. 3 is a schematic view showing the structure of a cleaning apparatus in embodiment 2;
FIG. 4 is a schematic structural view of the bio-carrier in example 2;
FIG. 5 is a top view of the bio-carrier in example 2.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
As shown in FIG. 1, the present invention provides a fast biofilm formation and regeneration biological carrier system, comprising: a plurality of biological carriers 1 for purifying the sewage; each biological carrier 1 is electrically connected with an external power supply through a first lead 2; the ORP monitoring module 3 is used for monitoring the ORP value of the sewage to be treated in real time; and the central processing unit is used for acquiring the ORP value acquired by the ORP detection module, and regulating the current passing through the biological carrier 1 according to the ORP value until the ORP value reaches a preset value. At least one clean water tank 4 for containing sewage to be treated and biological bacteria for purification treatment. The number of the fresh water tank 4 may be plural. Each water purifying tank 4 contains a biological carrier 1; an aeration disc is also arranged at the bottom of the water purifying tank 4; the dissolved oxygen monitoring module 5 is used for monitoring the dissolved oxygen content of the sewage to be treated in real time; and the temperature monitoring module 6 is used for monitoring the temperature of the sewage to be treated in real time. And the current regulating device receives the central processing unit and regulates the current passing through the biological carrier. A water inlet tank 7 for storing sewage; and the water pump 8 is used for pumping the sewage in the water inlet tank 7 into the water purifying tank 4. An aerator 10 is also arranged to aerate the sewage in the purified water tank 4. If the power supply is an alternating current power supply, the alternating current is converted into direct current, and then the power is supplied to the biological carrier.
As shown in fig. 2, the bio-carrier 1 comprises a central body 101 made of elastic filler, and fiber bundles 102 distributed around the central body 101; the central body is internally provided with a first lead 2 and is electrically connected with an external power supply through the first lead 2.
The bio-carrier system of example 1 was tested first, with the following parameters:
1. small trial test
The test instrument: 1)3 sets of 1L purified water tanks (actually measuring cylinders); 2)6 conductive biological carriers (the central body 101 is a three-dimensional elastic filler with specification
The first conductor 2 is a copper wire); 3) a water pump 8 (flow rate 1-220 ml/min); 4) a small aerator 10 (power 8w, four air outlets, each air outlet amount is 4L/min); 5) a temperature monitoring module 6 (digital display thermometer), an ORP monitoring module 3(ORP measuring instrument) and a dissolved oxygen monitoring module 5 (dissolved oxygen instrument); 6) a current regulating device (potentiometer) with a resistance range of 10 omega-2M omega; 7) a direct current power supply (4 batteries and 5 batteries); 8) commercial strain (EM strain, the addition amount is 5 per mill).
And (3) quick film forming test: the experimental water is the inlet water of a simulation test sewage treatment plant, a peristaltic pump is used for feeding and discharging water, a small-sized aerator is used for aeration oxygenation, dissolved oxygen is controlled within the range of 2-3mg/L, the temperature is 20 +/-5 ℃, strains and sewage are mixed and then pumped into a measuring cylinder, after closed circulation is carried out for 2 days, microorganism culture is carried out by using water changing amounts of 30%, 50% and 100% every day, and the main mark of successful biofilm formation is as follows: the COD removal rate of the effluent is more than 55 percent, and the thickness of the biological membrane is more than 0.2 mm; according to the test result, the biofilm formation speed of the microorganisms is shortened from 5d to 3d under the stimulation of a 50mA battery, and the COD removal rate is improved by about 15%.
Biological carrier regeneration test: after the biofilm formation test is successful, operating for one month under the working condition that the MLSS concentration is 7000mg/L, draining the sewage after the membrane thickness on the biological carrier reaches about 5mm, and observing the shedding speed of microorganisms; under the stimulation of a 150 mA battery, the shedding speed of the microorganisms is shortened from 1-2d to 30-45min, the shedding speed of the microorganisms is greatly accelerated, and the microorganisms cannot be attached again to generate adverse effects.
2. Pilot test
A water reuse system in public buildings in a certain scenic spot takes domestic sewage as inlet water, adopts a treatment process with 'aerobic (biomembrane method) + artificial wetland' as core, and designs a treatment scale of 70m3And d, the treated effluent is reused as sprinkling irrigation water, but in the actual operation process, as the number of visitors changes greatly, the quality and the quantity of the influent water are extremely uneven, the growth of microorganisms is difficult, and the biofilm formation on a biological carrier is difficult.
Aiming at the problems, after the engineering is put into use for one month, the biological carrier in the aerobic tank is modified by adopting the invention: 1) adding an electrified conductor on a common elastic biological carrier (1 copper wire with the diameter of about 1mm is added in a central cord, and the upper section, the middle section and the lower section are fixed); 2) after being connected into a net by an electrified conductor, the biological carrier is connected with a cable (RVV3 multiplied by 1.5), a potentiometer, a transformer (220V to 12V direct current) and an automatic distribution box; 3) the ORP probe is also connected to the inside of the automated electrical distribution box via a signal wire.
During later engineering operation, the ORP value in the sewage treatment system is stabilized within the range of +200 to +400Mv through continuous stimulation of an electric field of about 50mA, a good habitat is created for the growth of microorganisms, the rapid and effective biofilm formation of the biological carrier is ensured, the electricity consumption of the invention is less than 1 ℃ every day, and the operation cost is hardly increased.
Example 2
As shown in FIG. 1, the present invention provides a fast biofilm formation and regeneration biological carrier system, comprising: a plurality of biological carriers 1 for purifying the sewage; each biological carrier 1 is electrically connected with an external power supply through a first lead 2; the ORP monitoring module 3 is used for monitoring the ORP value of the sewage to be treated in real time; and the central processing unit is used for acquiring the ORP value acquired by the ORP detection module, and regulating the current passing through the biological carrier according to the ORP value until the ORP value reaches a preset value. And a plurality of purified water tanks 4 for containing sewage to be treated and biological bacteria for purification treatment. The number of the fresh water tank 4 may be plural. Each water purifying tank 4 contains a biological carrier 1; an aeration disc is also arranged at the bottom of the water purifying tank 4; the dissolved oxygen monitoring module 5 is used for monitoring the dissolved oxygen content of the sewage to be treated in real time; and the temperature monitoring module 6 is used for monitoring the temperature of the sewage to be treated in real time. And the current regulating device receives the central processing unit and regulates the current passing through the biological carrier. A water inlet tank 7 for storing sewage; and the water pump 8 is used for pumping the sewage in the water inlet tank 7 into the water purifying tank 4. An aerator 10 is also arranged to aerate the sewage in the purified water tank 4. The invention utilizes continuous electric field stimulation to promote cell metabolism, proliferation and enzyme activity in the initial stage of operation, and realizes the rapid biofilm formation of the microbial carrier; the oxidative decomposition of endogenous respiration of decaying cells is accelerated in the operation process, the metabolism of microorganisms is promoted, and the discharge of sludge is reduced; meanwhile, hydrogen generated by electrolysis stimulation is used as an electron donor, so that the denitrification capability of microorganisms is improved; the activity of the microorganisms is lost through pulse voltage during later-period maintenance, the microorganisms fall off quickly, and the problems of biological carrier blockage, agglomeration, hardening and the like are effectively solved.
Wherein, still be equipped with cleaning device, install in water purification case 4, cleaning device includes: the T-shaped support bars 401 are transversely erected inside the water purifying tank 4; the vertical part of the T-shaped support bar 401 is coaxially connected to a mounting shaft of an external motor; the T-shaped support bar 401 is driven by a motor to rotate; a pair of brush plates 402 perpendicular to both ends of the horizontal portion of the T-shaped support bar 401; the brush plate 402 is movable along the horizontal portion of the T-shaped support bar 401; bristles 403 are adhered to the opposite surfaces of the brush plates 402 respectively, and the bristles are different in length; when the biological carrier 1 is blocked in the later stage, the pair of brush plates 402 can move along the horizontal part of the T-shaped support bar 401 according to actual requirements, and are close to or far away from each other, and the motor is used for driving the T-shaped support bar 401 to rotate, so that the bristles 403 on the brush plates 402 can be used for cleaning the biological carrier 1 to avoid the blockage.
The ventilation pipeline comprises annular pipelines 404 which are horizontally distributed up and down and a plurality of vertical pipelines 405 which are erected between the annular pipelines 404 and the vertical pipelines 405, and the vertical pipelines 405 are communicated with the adjacent annular pipelines 404; one of the annular ducts 404 is in communication with an external air source; the two annular pipes 404 are attached to the inner wall of the purified water tank 4 and are respectively close to the upper part and the lower part; and the air vent pipes are communicated with a plurality of nozzles 406 at intervals; all the nozzles 406 are directed toward the bio-carrier 1 to inject the high pressure gas to the bio-carrier 1. And the biological carrier 1 can be flushed by high-pressure gas at the later stage, so that the blockage of the biological carrier is avoided.
Wherein the bio-carrier 1 comprises: an inner sleeve 101; an outer sleeve 102 sleeved outside the inner sleeve 101; the inner sleeve 101 and the outer sleeve 102 are formed by connecting a plurality of pipe pieces, and two adjacent pipe pieces are connected through a first spring 121; the number of the segments of the inner sleeve 101 and the outer sleeve 102 is the same, and the segments are in one-to-one correspondence, and the segments corresponding to the inner sleeve 101 and the outer sleeve 102 are connected through a second spring 122; the duct pieces are all of mesh structures with the thickness of 1-2 cm; the inner sleeve is annular and hollow, the first lead is coaxially arranged in the inner sleeve in a penetrating mode, and the first lead is connected to the inner wall of the inner sleeve through a plurality of second leads. The spring is used for connection, when the outside is washed or cleaned, the deformation of the spring can be well utilized to drive further cleaning, and the cleaning efficiency is improved; the spring connection enhances the shaking of adjacent segments, for example when flushed with high pressure gas, thereby improving the cleaning effect.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (6)
1. A rapid biofilm formation and regeneration bio-carrier system, comprising:
the biological carrier is used for purifying the sewage;
the ORP monitoring module is used for monitoring the ORP value of the sewage to be treated in real time;
the central processing unit is used for acquiring an ORP value acquired by the ORP detection module, and regulating the current passing through the biological carrier according to the ORP value until the ORP value reaches a preset value;
a water purification tank for containing sewage to be treated and biological bacteria for purification treatment;
still be equipped with cleaning device, install in the water purification incasement, cleaning device includes:
the T-shaped supporting strip is transversely erected in the water purifying tank; the vertical part of the T-shaped support bar is coaxially connected to a mounting shaft of an external motor; the T-shaped support bar is driven by a motor to rotate;
a pair of brush plates perpendicular to both ends of the horizontal portion of the T-shaped support bar; the brush plate can move along the horizontal part of the T-shaped support bar;
the opposite surfaces of the brush plates are respectively adhered with bristles, and the bristles are different in length;
the ventilation pipeline comprises annular pipelines which are horizontally distributed up and down and a plurality of vertical pipelines which are erected between the annular pipelines and the vertical pipelines, and the vertical pipelines are communicated with the adjacent annular pipelines; one of the annular pipelines is communicated with an external air source; the two annular pipelines are attached to the inner wall of the water purifying tank and are respectively close to the upper part and the lower part;
the air duct is communicated with a plurality of nozzles at intervals; all nozzles face the biological carrier, and high-pressure gas is sprayed to the biological carrier;
the biological carrier comprises:
an inner sleeve;
the outer sleeve is sleeved outside the inner sleeve;
the inner sleeve and the outer sleeve are formed by connecting a plurality of pipe pieces, and two adjacent pipe pieces are connected through a first spring; the number of the segments of the inner sleeve and the outer sleeve is consistent and the segments of the inner sleeve and the outer sleeve are in one-to-one correspondence respectively, and the segments of the inner sleeve and the outer sleeve corresponding to each other are connected through a second spring;
the duct pieces are all of mesh structures with the thickness of 1-2 cm;
the inner sleeve is annular and hollow, a first lead is coaxially arranged in the inner sleeve in a penetrating way, the first lead is connected with the inner wall of the inner sleeve through a plurality of second leads,
the biological carrier comprises a central body made of elastic filler and fiber bundles distributed around the central body, wherein the central body is internally provided with the first lead and is electrically connected with an external power supply through the first lead.
2. The rapid biofilm culturing and regeneration bio-carrier system of claim 1, further comprising:
the dissolved oxygen monitoring module is used for monitoring the dissolved oxygen content of the sewage to be treated in real time;
and the temperature monitoring module monitors the temperature of the sewage to be treated in real time.
3. The rapid biofilm culturing and regeneration bio-carrier system of claim 1, further comprising:
and the current regulating device receives the central processing unit and regulates the current passing through the biological carrier.
4. The rapid biofilm culturing and regeneration bio-carrier system of claim 1, further comprising:
the water inlet tank is used for storing sewage;
and the water pump is used for pumping the sewage in the water inlet tank into the water purification tank.
5. The rapid biofilm culturing and regeneration bio-carrier system of claim 1, wherein if said power source is an ac power source, said ac power is converted to dc power to power said bio-carrier.
6. The rapid biofilm culturing and regeneration bio-carrier system of claim 1, wherein said central body is cylindrical.
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| CN201811394629.3A CN109809555B (en) | 2018-11-20 | 2018-11-20 | Quick biofilm formation and regeneration biological carrier system |
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| CN201811394629.3A CN109809555B (en) | 2018-11-20 | 2018-11-20 | Quick biofilm formation and regeneration biological carrier system |
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| CN109809555B true CN109809555B (en) | 2021-10-08 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2817527A1 (en) * | 1978-04-21 | 1979-10-25 | Horst Bormet | Clarification plant run=off gutter cleaning - by twin brush carrier adjustable in height and spread |
| CN2080939U (en) * | 1990-11-17 | 1991-07-17 | 玉环县楚门环保净化设备厂 | Elastic biocycle filling |
| CN2294952Y (en) * | 1997-01-31 | 1998-10-21 | 池万清 | Integrated elastic stereo filler |
| CN105834147A (en) * | 2016-05-18 | 2016-08-10 | 杨金才 | Cleaning method and device for transformer substation insulator |
| CN206244500U (en) * | 2016-11-17 | 2017-06-13 | 广州市广深环保科技有限公司 | A kind of electrochemistry MBR membrane bioreactors |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107377456A (en) * | 2017-09-05 | 2017-11-24 | 李亮 | Reserved steel bar cleaning device |
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2018
- 2018-11-20 CN CN201811394629.3A patent/CN109809555B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2817527A1 (en) * | 1978-04-21 | 1979-10-25 | Horst Bormet | Clarification plant run=off gutter cleaning - by twin brush carrier adjustable in height and spread |
| CN2080939U (en) * | 1990-11-17 | 1991-07-17 | 玉环县楚门环保净化设备厂 | Elastic biocycle filling |
| CN2294952Y (en) * | 1997-01-31 | 1998-10-21 | 池万清 | Integrated elastic stereo filler |
| CN105834147A (en) * | 2016-05-18 | 2016-08-10 | 杨金才 | Cleaning method and device for transformer substation insulator |
| CN206244500U (en) * | 2016-11-17 | 2017-06-13 | 广州市广深环保科技有限公司 | A kind of electrochemistry MBR membrane bioreactors |
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Address after: Room 2101-2104, 21 / F, unit a, block a, Hubei science and technology venture building, Xiaohongshan East District, Wuchang District, Wuhan City, Hubei Province, 430061 Patentee after: CCCC Road & Bridge Special Engineering Co.,Ltd. Address before: Room 2101-2104, 21 / F, unit a, block a, Hubei science and technology venture building, Xiaohongshan East District, Wuchang District, Wuhan City, Hubei Province, 430061 Patentee before: CCCC ROAD & BRIDGE SPECIAL ENGINEERING Co.,Ltd. |
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