CN209113690U - Country sewage integrated equipment for wastewater treatment - Google Patents
Country sewage integrated equipment for wastewater treatment Download PDFInfo
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- CN209113690U CN209113690U CN201821671852.3U CN201821671852U CN209113690U CN 209113690 U CN209113690 U CN 209113690U CN 201821671852 U CN201821671852 U CN 201821671852U CN 209113690 U CN209113690 U CN 209113690U
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Abstract
The utility model discloses a kind of country sewage integrated equipment for wastewater treatment.The reaction tank that it is set in the housing is provided with aeration dish structure in reaction tank, has packing layer to be set in reaction tank；Pipeline structure includes the first water pipe, the second water pipe, third water pipe, water inlet pipe and outlet pipe and connecting pipe；The shell is successively arranged the first reaction tank, the second reaction tank, third reaction tank along the flow direction of sewage；Partition and limbers are provided in reaction tank, partition includes being set to the first partition between the first reaction tank and the second reaction tank and the second partition between the second reaction tank and third reaction tank, and limbers includes the first limbers in first partition and the second limbers on second partition；There is sludge treating system to connect with shell；Water inlet pipe is passed through first reaction tank.The utility model has the advantages that can be with lower operating cost by sewage treatment qualified discharge.
Description
Technical field
The utility model relates to a kind of equipment for handling country sewage, are in particular a kind of country sewage one
Change processing equipment.
Background technique
With the improvement of living standards, the problem of people are to water pollution is also increasingly paid attention to, people have also built many dirts
Water treatment facilities, but traditional sewage disposal device mainly handles the various harmful substances for being dissolved in water, it cannot will be after processing
Sewage utilized, greatly waste resource；Meanwhile the existing raw material for handling the equipment of sewage are relatively more high
It is expensive, cause the practicability of these sewage disposal devices not high, it is therefore necessary to improve.
Existing wastewater treatment method includes physical method, chemical method, bioanalysis and combined treatment of a variety of methods etc..Physical method
Mainly there are coagulation, air bearing and three kinds of membrane separation technique；Chemical method mainly has iron carbon technique, Fenton oxidation, ozone oxidation agent deep
Degree oxidation；Biochemical method mainly has hydrolysis acidification, up-flow anaerobic sludge blanket (UASB), anaerobism to meet bed (UBF), anaerobic baffle plate
Reactor (ABR), high efficiency anaerobic reactor (IC) etc..
Reach ideal treatment effect according to the complexity of waste water, the individually single equal difficulty of processing mode, how to pass through knot
Physical method, chemical method are closed, optimum organization carries out sanitary sewage disposal, and realization is reached sanitary sewage disposal with lower operating cost
Mark discharge has become the hot and difficult issue of wastewater processing technology research.
Summary of the invention
The purpose of this utility model is to provide for a kind of country sewage integrated equipment for wastewater treatment, equipment low energy consumption, low dirt
Mud amount, low noise, low-maintenance amount, low operating cost, can be with lower operating cost by sewage treatment qualified discharge.
To achieve the goals above, the technical solution of the utility model are as follows: country sewage integrated equipment for wastewater treatment, including shell
Body, clear water reserviors, the reaction tank being set in the housing, pipeline structure, it is characterised in that: be provided with aeration dish structure in reaction tank, have
Packing layer is set in reaction tank, and reaction tank includes the first reaction tank, the second reaction tank and third reaction tank；Pipeline structure includes
First water pipe, the second water pipe, third water pipe, water inlet pipe and outlet pipe and connecting pipe；
The shell is successively arranged the first reaction tank, the second reaction tank, third reaction tank along the flow direction of sewage；
It is provided with partition and limbers in reaction tank, partition includes set on the between the first reaction tank and the second reaction tank
One partition and the second partition between the second reaction tank and third reaction tank, limbers include being set in first partition
First limbers and the second limbers on second partition；Sewage through-hole, the sewage in first partition are provided on partition
Through-hole and the first limbers are respectively arranged at the two sides of first partition, and the sewage through-hole on second partition is adjacent with the second limbers
It is arranged and is respectively positioned on second partition side, the internal diameter of sewage through-hole is greater than the internal diameter of limbers, so as to the sewage energy containing impurity
Sewage through-hole is passed through, the sewage containing impurity is enable to flow freely between each reaction tank；
There is sludge treating system to connect with shell, sludge treating system includes mud discharging mouth, mud discharging pipe, sludge row
Put control valve；
The bottom of first reaction tank, the first reaction tank and third reaction tank is equipped with mud discharging mouth, mud discharging
Mud discharging pipe is connected on mouth, mud discharging control valve is installed on mud discharging pipe, mud discharging pipe is connect with dredge pump；
Water inlet pipe is passed through first reaction tank；Outlet pipe is equipped in clear water reserviors；First water pipe upper end is connected with water inlet pipe
Logical, lower end is located at the packing layer lower part in the first reaction tank；Second water pipe upper end is connected to the first limbers, lower end is located at second
Packing layer lower part in reaction tank；Third water pipe upper end is connected to the second limbers, lower end is located at the filler in third reaction tank
Layer lower part.
In the above-mentioned technical solutions, sludge pump is installed in third reaction tank；First reaction tank, the second reaction tank and third
The bottom of reaction tank is provided with aeration dish structure.
In the above-mentioned technical solutions, the first reaction tank is iron carbon biochemistry pool, and the packing layer in the first reaction tank is that iron carbon is filled out
The bed of material；Second reaction tank is elastic filler pond；Third reaction tank is MBR membrane cisterna.
In the above-mentioned technical solutions, the reaction tank is externally connected to high pressure blower, self priming pump, backwashing pump and dredge pump,
High pressure blower is passed through aeration dish structure by connecting pipe；Be provided on high pressure blower towards the first reaction tank branch and lead to
The branch of second reaction tank and branch towards third reaction tank, aeration plate structure are located at the first reaction bottom of pond portion, are located at second
React bottom of pond portion；The branch that high pressure blower leads to third reaction tank is connected on one side stand component of MBR film, and MBR film is another collateral
The branch towards self priming pump and the branch towards backwashing pump are connected on support；The support frame leads to the branch road of self priming pump
It is connected with switch valve, water outlet motor-driven valve, vacuum table in turn, the branch road that the support frame leads to backwashing pump is connected in turn open
Close valve, backwash motor-driven valve, pressure gauge, backwash flowmeter, backwash switch valve；The branch towards clear water reserviors is provided on self priming pump,
The branch road that self priming pump leads to clear water reserviors is disposed with switch valve, water flow meter；Backwashing pump is passed through clear water reserviors by pipeline.
The utility model has the advantages that
(1) by the mutual cooperation of third-order reaction pond, integrated treatment, disposable discharge is clean to be reached the utility model
The water of level-one emission standard A；Sludge pump is installed in the utility model third reaction tank, it can be by the sludge in third reaction tank
And/or bacterium is restored in the second reaction tank by sludge pump and is reacted and precipitated, such circular treatment can effectively shorten useless
Treatment time of water improves waste water treatment efficiency；The first reaction tank of the utility model, the second reaction tank, third reaction bottom of pond portion are equal
It is provided with aeration dish structure, high pressure blower is passed through aeration dish structure by pipeline, and the first reaction tank, the second reaction tank, third are anti-
It answers this third-order reaction pond of pond to be all made of Aerobic Process for Treatment, increases the oxygen in reaction pool inner water, be conducive to the COD in water removal, drop
The content of ammonia nitrogen in low water reduces the suspended matter in water；
(2) phosphorus and other heavy metals in waste water can be effectively reduced in the iron carbon filler that the utility model uses, for COD
Degradation with ammonia nitrogen plays the role of original；It can effectively shorten the wastewater treatment time, improve waste water treatment efficiency and economic benefit；
The iron carbon filler that the utility model uses, which uses, to be stablized, not facile hydrolysis；
(3) the utility model works in coordination by iron carbon biochemistry pool, elastic filler pond, MBR membrane cisterna and handles sanitary sewage
Effect is ideal, and sewage can reach level-one emission standard A after handling by the utility model, and handle the low in cost of waste water,
The utility model handle sanitary sewage cost be 0.4176 yuan/ton, and it is existing processing sanitary sewage cost be 1~2 yuan/
Ton；
(4) the utility model excess sludge production is small, can be reduced the construction of sludge treatment facility；
(5) the utility model wide application can be built or be transformed for different types of sewage, not generate secondary pollution,
Treated, and water can carry out reuse；
(6) the utility model device takes the additional long-range control of Automatic Control, does not need personnel on site's operation substantially；
Each functional areas modularization of platform, can be directed to different water quality situation and drainage requirement, and design configurations treatment process also can allow original
There are treatment facility, reasonable arrangement；
(7) the utility model structure is simple, and materials are convenient, and (the utility model is the handy material in rural area with material
Material), it can be good at handling sewage, be worthy to be popularized；
(8) the utility model device economical operation, convenient for management, control is simple, service life is long；The utility model device
Have the advantages that low energy consumption, low sludge quantity, low noise, low-maintenance amount, low operating cost；The utility model suitable application area is extensive,
Such as it is suitable for town domestic sewage to handle, community domestic wastewater treatment, holiday resort sanitary sewage disposal, at new rural village sanitary sewage
Reason, school life's sewage treatment etc.；The utility model can be with lower operating cost by sewage treatment qualified discharge.
Detailed description of the invention
Fig. 1 is that structure when the utility model does not include mud discharging mouth, mud discharging pipe and mud discharging control valve is shown
It is intended to.
Fig. 2 is that the utility model includes mud discharging mouth, mud discharging pipe and top view when mud discharging control valve.
1- reaction tank in figure, the first reaction tank of 1.1-, the second reaction tank of 1.2-, 1.3- third reaction tank, 2- pipeline structure,
The first water pipe of 2.1-, the second water pipe of 2.2-, 2.3- third water pipe, 2.4- water inlet pipe, 2.5- outlet pipe, the limbers 3-, 3.1-
One limbers, the second limbers 3.2-, 4- packing layer, 5- aeration dish structure, 6- high pressure blower, 7- partition, 7.1- first partition,
7.2- second partition, 8- clear water reserviors, 9- sludge treating system, 9.1- mud discharging mouth, 9.2- mud discharging pipe, 9.3- sludge row
Control valve is put, 10- shell, 11- self priming pump, 12- vacuum table, 13- water flow meter, 14- backwash flowmeter, 15- is discharged electronic
Valve, 16- backwashing pump, 17- pressure gauge, 18- backwash motor-driven valve, 19- sludge pump.
Specific embodiment
The performance that according to the present invention will be described in detail below with reference to the accompanying drawings, but they are not constituted to the utility model
It limits, it is only for example.The advantages of making the utility model by explanation simultaneously, is more clear and is readily appreciated that.
Refering to known to attached drawing: country sewage integrated equipment for wastewater treatment, including shell 10, clear water reserviors 8, in shell 10
Reaction tank 1, pipeline structure 2 are provided with aeration dish structure 5 in reaction tank 1, have packing layer 4 to be set in reaction tank 1, reaction tank 1
Including the first reaction tank 1.1, the second reaction tank 1.2 and third reaction tank 1.3；Pipeline structure 2 includes the first water pipe 2.1, second
Water pipe 2.2, third water pipe 2.3, water inlet pipe 2.4 and outlet pipe 2.5 and connecting pipe；
It is anti-that the shell 10 along the flow direction of sewage is successively arranged the first reaction tank 1.1, the second reaction tank 1.2, third
Answer pond 1.3；
Partition 7 and limbers 3 are provided in reaction tank 1, partition 7 includes being set to the first reaction tank 1.1 and the second reaction tank
First partition 7.1 between 1.2 and the second partition 7.2 between the second reaction tank 1.2 and third reaction tank 1.3, water flowing
Hole 3 include the first limbers 3.1 in the first partition 7.1 and the second limbers 3.2 on second partition 7.2 (such as
Shown in Fig. 1)；
There is sludge treating system 9 to connect with shell 10, sludge treating system 9 includes mud discharging mouth 9.1, mud discharging pipe
9.2, mud discharging control valve 9.3；
The bottom of first reaction tank 1.1, the first reaction tank 1.2 and third reaction tank 1.3 is equipped with mud discharging mouth
9.1, mud discharging pipe 9.2 is connected on mud discharging mouth 9.1, and mud discharging control valve 9.3 is installed on mud discharging pipe 9.2,
Mud discharging pipe 9.2 connect (as shown in Figure 2) with dredge pump；
Water inlet pipe 2.4 is passed through first reaction tank 1.1；Outlet pipe 2.5 is equipped in clear water reserviors 8；First water pipe, 2.1 upper end
It is connected with water inlet pipe 2.4, lower end is located at 4 lower part of packing layer in the first reaction tank 1.1；Second water pipe, 2.2 upper end and first
The connection of limbers 3.1, lower end are located at 4 lower part of packing layer in the second reaction tank 1.2；2.3 upper end of third water pipe and the second water flowing
The connection of hole 3.2, lower end are located at 4 lower part of packing layer in third reaction tank 1.3.
Further, the first reaction tank 1.1, the second reaction tank 1.2, third reaction tank 1.3 are aerobic tank, the first reaction
The bottom in pond 1.1, the second reaction tank 1.2 and third reaction tank 1.3 is provided with aeration dish structure 5；Peace in third reaction tank 1.3
Equipped with sludge pump 19, sludge and/or bacterium in third reaction tank 1.3 are restored in the second reaction tank 1.2 by sludge pump 19
It is reacted and is precipitated, effectively shorten the wastewater treatment time, improve waste water treatment efficiency.
Further, the first reaction tank 1.1 is iron carbon biochemistry pool, and the packing layer in the first reaction tank 1.1 is iron carbon filler
Layer, multilayer iron carbon filler are located at the bottom end of iron carbon biochemistry pool；Second reaction tank 1.2 is elastic filler pond；Third reaction tank 1.3 is
MBR membrane cisterna.
Further, the reaction tank 1 be externally connected to high pressure blower 6, self priming pump 11, backwashing pump 16, dredge pump and into
Water pump, high pressure blower 6 are passed through aeration dish structure 5 by connecting pipe；It is provided on high pressure blower 6 towards the first reaction tank 1.1
Branch and the branch towards the second reaction tank 1.2 and the branch towards third reaction tank 1.3, aeration dish structure 5 is located at first
1.1 bottom of reaction tank is located at 1.2 bottom of the second reaction tank, and each branch road is provided with switch valve, and it is anti-that high pressure blower 6 leads to third
It answers the branch in pond 1.3 to be connected on one side stand component of MBR film, is connected on another side stand component of MBR film towards self priming pump 11
Branch and branch towards backwashing pump 16；The branch road that the support frame of MBR film leads to self priming pump 11 is connected with switch valve in turn, goes out
Water motor-driven valve 15, vacuum table 12, the branch road that the support frame of MBR film leads to backwashing pump 16 are connected with switch valve, backwash electricity in turn
Dynamic valve 18, pressure gauge 17, backwash flowmeter 14, backwash switch valve；The branch towards clear water reserviors 8 is provided on self priming pump 11, from
The branch road that sucking pump 11 leads to clear water reserviors 8 is disposed with switch valve, water flow meter 13；Backwashing pump 16 is passed through clearly by pipeline
Pond 8 (as shown in Figure 1).
The method of country sewage integrated equipment for wastewater treatment processing sewage described in the utility model, includes the following steps:
Step 1: packing layer 4 is successively laid in the first reaction tank 1.1, the second reaction tank 1.2, third reaction tank 1.3；
High pressure blower 6 is passed through aeration dish structure 5 by connecting pipe；Aeration dish structure 5 and high pressure blower 6 can increase in reaction pool inner water
Oxygen content, accelerate iron carbon reaction；
Step 2: sewage is passed through in the first reaction tank 1.1 and by the first water pipe 2.1 by intake pump and water inlet pipe 2.4
Into 1.1 bottom of the first reaction tank, the sewage positioned at 1.1 bottom of the first reaction tank passes through the iron carbon in the first reaction tank 1.1 and fills out
The bed of material；
Sewage enters 1.2 bottom of the second reaction tank by the first limbers 3.1 and the second water pipe 2.2, is located at the second reaction
The sewage of 1.2 bottom of pond passes through packing layer 4；
Sewage enters 1.3 bottom of third reaction tank by the second limbers 3.2 and third water pipe 2.3, is located at third and reacts
The sewage of 1.3 bottom of pond passes through packing layer 4；
Step 3: the clear water in third reaction tank 1.3 is passed into clear water reserviors 2 by self priming pump 11 and connecting pipeline；Clearly
(as shown in Figure 1) is discharged by outlet pipe 2.5 in water；After being used for a long time, by dredge pump by 1.1 bottom of the first reaction tank
Sludge, the sludge of 1.2 bottom of the second reaction tank, 1.3 bottom of third reaction tank sludge extraction.
Benefit case
Case 1: using wastewater degradation light electrolysis iron carbon filler made from the utility model embodiment 3, by the utility model
Handle sewage method processing coloration be 300 times, the sanitary sewage that COD (COD) is 500mg/L and PH is 8,
When the mass ratio that control condition is sanitary sewage and the utility model wastewater degradation light electrolysis iron carbon filler be 1:1,
When PH is 6.0 or so, the reaction time 30 minutes；The utility model method is measured to reach the removal rate of sewage treatment coloration
96.6%, while COD (COD) removal rate reaches the removal rate of 98.6%, ammonia nitrogen and reaches the removal of 93.1%, total phosphorus
The removal rate that rate reaches 97.4%, total nitrogen reaches 89.0%, the utility model handle the cost of sanitary sewage be 0.4176 yuan/
The cost of ton, existing processing sanitary sewage is 1~2 yuan/ton.
Case 2: using wastewater degradation light electrolysis iron carbon filler made from the utility model embodiment 5, by the utility model
Handle sewage method sewage treatment coloration be 700 times, the sanitary sewage that COD (COD) is 500mg/L and PH is 8,
When the mass ratio that control condition is sanitary sewage and the utility model wastewater degradation light electrolysis iron carbon filler be 1:1,
When PH is 6.0 or so, the reaction time 30 minutes；Measure the utility model method for sewage treatment coloration removal rate about
99.9%, while COD (COD) removal rate reaches the removal rate of 88.9%, ammonia nitrogen and reaches the removal of 94.8%, total phosphorus
The removal rate that rate reaches 98.6%, total nitrogen reaches 89.9%, the utility model handle the cost of sanitary sewage be 0.4176 yuan/
The cost of ton, existing processing sanitary sewage is 1~2 yuan/ton.
Other unaccounted parts belong to the prior art.
Claims (4)
1. country sewage integrated equipment for wastewater treatment, including shell (10), clear water reserviors (8), the reaction tank being set in shell (10)
(1), pipeline structure (2), it is characterised in that: be provided with aeration dish structure (5) in reaction tank (1), there is packing layer (4) to be set to instead
In Ying Chi (1), reaction tank (1) includes the first reaction tank (1.1), the second reaction tank (1.2) and third reaction tank (1.3)；Pipeline
Structure (2) includes the first water pipe (2.1), the second water pipe (2.2), third water pipe (2.3), water inlet pipe (2.4) and outlet pipe (2.5)
And connecting pipe；
The shell (10) is successively arranged the first reaction tank (1.1), the second reaction tank (1.2), third along the flow direction of sewage
Reaction tank (1.3)；
Partition (7) and limbers (3) are provided in reaction tank (1), partition (7) includes being set to the first reaction tank (1.1) and second
First partition (7.1) between reaction tank (1.2) and be set between the second reaction tank (1.2) and third reaction tank (1.3) the
Two partitions (7.2), limbers (3) include the first limbers (3.1) on first partition (7.1) and are set to second partition
(7.2) the second limbers (3.2) on；
There is sludge treating system (9) to connect with shell (10), sludge treating system (9) includes mud discharging mouth (9.1), sludge row
Put pipe (9.2), mud discharging control valve (9.3)；
The bottom of first reaction tank (1.1), the first reaction tank (1.2) and third reaction tank (1.3) is equipped with mud discharging
Mouthful (9.1) connect mud discharging pipe (9.2) on mud discharging mouth (9.1), and mud discharging pipe is equipped with mud discharging on (9.2)
Control valve (9.3), mud discharging pipe (9.2) are connect with dredge pump；
Water inlet pipe (2.4) is passed through first reaction tank (1.1)；Outlet pipe (2.5) are equipped in clear water reserviors (8)；First water pipe
(2.1) upper end is connected with water inlet pipe (2.4), lower end is located at packing layer (4) lower part in the first reaction tank (1.1)；Second water
Pipe (2.2) upper end is connected to the first limbers (3.1), lower end is located at packing layer (4) lower part in the second reaction tank (1.2)；The
Three water pipes (2.3) upper end is connected to the second limbers (3.2), lower end is located under the packing layer (4) in third reaction tank (1.3)
Portion.
2. country sewage integrated equipment for wastewater treatment according to claim 1, it is characterised in that: in third reaction tank (1.3)
Sludge pump (19) are installed；The bottom of first reaction tank (1.1), the second reaction tank (1.2) and third reaction tank (1.3) is respectively provided with
There are aeration dish structure (5).
3. country sewage integrated equipment for wastewater treatment according to claim 2, it is characterised in that: the first reaction tank (1.1) is
Iron carbon biochemistry pool, the packing layer in the first reaction tank (1.1) are iron carbon filler layer；Second reaction tank (1.2) is elastic filler pond；
Third reaction tank (1.3) is MBR membrane cisterna.
4. country sewage integrated equipment for wastewater treatment according to claim 3, it is characterised in that: the reaction tank (1) is external
It is connected with high pressure blower (6), self priming pump (11), backwashing pump (16) and dredge pump, high pressure blower (6) is passed through exposure by connecting pipe
Gas dish structure (5)；Be provided on high pressure blower (6) towards the first reaction tank (1.1) branch and lead to the second reaction tank (1.2)
Branch and lead to the branch of third reaction tank (1.3), aeration dish structure (5) is located at the first reaction tank (1.1) bottom, positioned at the
Two reaction tanks (1.2) bottom；The branch that high pressure blower (6) leads to third reaction tank (1.3) is connected to one side stand component of MBR film
On, the branch towards self priming pump (11) and the branch towards backwashing pump (16) are connected on another side stand component of MBR film；Described
The branch road that support frame leads to self priming pump (11) is connected with switch valve, water outlet motor-driven valve (15), vacuum table (12) in turn, described
The branch road that support frame leads to backwashing pump (16) is connected with switch valve, backwash motor-driven valve (18), pressure gauge (17), backwash flow in turn
Meter (14), backwash switch valve；The branch towards clear water reserviors (8) is provided on self priming pump (11), self priming pump (11) leads to clear water
The branch road in pond (8) is disposed with switch valve, water flow meter (13)；Backwashing pump (16) is passed through clear water reserviors (8) by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821671852.3U CN209113690U (en) | 2018-10-16 | 2018-10-16 | Country sewage integrated equipment for wastewater treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821671852.3U CN209113690U (en) | 2018-10-16 | 2018-10-16 | Country sewage integrated equipment for wastewater treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209113690U true CN209113690U (en) | 2019-07-16 |
Family
ID=67201028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821671852.3U Active CN209113690U (en) | 2018-10-16 | 2018-10-16 | Country sewage integrated equipment for wastewater treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209113690U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109231677A (en) * | 2018-10-16 | 2019-01-18 | 武汉金钢新材料有限公司 | Country sewage integrated equipment for wastewater treatment and its method for handling sewage |
| CN117209003A (en) * | 2023-08-24 | 2023-12-12 | 江苏三贵资源再生有限公司 | Polytetrahydrofuran production waste liquid treatment device and process |
-
2018
- 2018-10-16 CN CN201821671852.3U patent/CN209113690U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109231677A (en) * | 2018-10-16 | 2019-01-18 | 武汉金钢新材料有限公司 | Country sewage integrated equipment for wastewater treatment and its method for handling sewage |
| CN117209003A (en) * | 2023-08-24 | 2023-12-12 | 江苏三贵资源再生有限公司 | Polytetrahydrofuran production waste liquid treatment device and process |
| CN117209003B (en) * | 2023-08-24 | 2024-04-30 | 江苏三贵资源再生有限公司 | Polytetrahydrofuran production waste liquid treatment device and process |
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Address after: 430348 Hubei Province, Wuhan city Huangpi District Qi Jia Wan Village Community Patentee after: Wuhan gangang New Material Co., Ltd Address before: 430348 Hubei Province, Wuhan city Huangpi District Qi Jia Wan Village Community Patentee before: WUHAN STEEL NEW MATERIAL CO., LTD. |