CN205502190U - Well equipment that dams is flowed to automatic accent of integration - Google Patents
Well equipment that dams is flowed to automatic accent of integration Download PDFInfo
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- CN205502190U CN205502190U CN201620254369.XU CN201620254369U CN205502190U CN 205502190 U CN205502190 U CN 205502190U CN 201620254369 U CN201620254369 U CN 201620254369U CN 205502190 U CN205502190 U CN 205502190U
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Abstract
The utility model discloses a well equipment that dams is flowed to automatic accent of integration, including the equipment box, the equipment box adopts glass steel matter to make, the equipment box is inside splits into four bibliographic categories's branch through cross glass steel diaphragm, and this four bibliographic categories is divided into the confluence bilge well, the overflow bilge well that set gradually according to clockwise, prevents backing up of sewage well and valve well. The utility model discloses a well equipment that dams is flowed to automatic accent of integration has adopted structures equipmentization, has introduced whirl restriction valve and duckbill valve simultaneously, has avoided the defect that traditional vatch basin construction cycle is long, be difficult to the accurate control volume of damming sewage and can't prevent to flow backward.
Description
Technical field
This utility model relates to a kind of combined sewage and dams equipment, particularly relates to a kind of integration and automatically adjusts
Stream Vatch basin equipment.
Background technology
Lot of domestic and international mature city is the most nearly all to use combined drainage system.This system is by life
The system that sewage alive, industrial wastewater and rainwater are got rid of in being blended in same pipe duct.The conjunction occurred the earliest
Flowing drainage system processed is that directly the combined sewage of eliminating is entered water body nearby, due to dirt without process
Water, without harmless treatment just discharge, makes receiving water body suffer severe contamination.In order to solve this problem,
If all of city domestic sewage, industrial wastewater and rainwater are all sent at sewage treatment plant
Reason, then need lay bigbore drainage pipeline networks and build large-scale sewage treatment plant, and increase is built
And if running cost, additionally, due to rainwater when the rainfall later stage the least to the pollution of environment water, permissible
Being directly discharged into water body, therefore lot of domestic and international uses the mature city of combined drainage system closing at present
The main that dams is built on receiving water body limit, simultaneously before interflow main intersects with the main that dams or crossing
Place arranges Vatch basin, and arranges Sewage Plant in main downstream of damming.All dirts when fine day and rainfall initial stage
Water all dispatch are to Sewage Plant, and draining water body after treatment, along with the increase of rainfall, rainfall runoff is also
Increase, after the flow of combined sewage exceedes the conveyance power of water of the main that dams, just have part combined sewage
Overflowed by Vatch basin, be directly discharged into water body.
The Vatch basin form used at present mainly has saltatory Vatch basin, dam slot type Vatch basin, side weir
Formula Vatch basin etc..
The shortcoming of conventional Vatch basin has:
1) armored concrete in-situ casting, long construction period are all used；
2) the most all can not preferably control to enter the sewage quantity of wastewater interception pipe, actual flow sometimes
Considerably beyond design discharge, occur that downstream wastewater is counter to be emitted and bring impact to sewage treatment plant；
3) function singleness, when rainfall is the biggest, the water body water level of outside receiving water body is higher than overflow
May result in outside body of water during discharge pipe and pour in down a chimney entrance Vatch basin.
Utility model content
The purpose of this utility model is to overcome saltatory Vatch basin in prior art, the slot type that dams to cut
The defect of stream well, side weir formula Vatch basin etc., it is provided that stream Vatch basin equipment is adjusted in a kind of integration automatically,
Have employed structures equipment, be simultaneously introduced rotational flow-limiting valve and duckbill valve, it is to avoid tradition is dammed
Well construction cycle length, it is difficult to accurately control intercepting sewage amount and the defect poured in down a chimney cannot be prevented.
A kind of technical scheme realizing above-mentioned purpose is: stream Vatch basin equipment is adjusted in integration automatically, external
Common sewer, overflow sewage house steward and intercepting sewage house steward, described integration adjusts stream Vatch basin to set automatically
For including equipment box, described equipment box uses glass steel material to make, and described equipment box is internal by ten
Font fiberglass dividing plate is divided into four parts, and this four part is according to the conjunction set gradually clockwise
Stream bilge well, overflow sewage well, bilge water resisting pour in down a chimney well and valve well, wherein:
Described combined sewage well includes combined sewage flange short tube, adjustable downflow weir and is arranged on described conjunction
The combined sewage well manhole cover at stream bilge well top；Method is passed through in one end of described combined sewage flange short tube
Blue and described common sewer is connected, and the other end accesses in described combined sewage well；Described combined sewage well
Connected with described overflow sewage well by described adjustable downflow weir；
Described bilge water resisting pours in down a chimney well and includes duckbill valve, duckbill valve flange short tube, overflow pipe and be arranged on
Described bilge water resisting pours in down a chimney the bilge water resisting at well top and pours in down a chimney well manhole cover；The one of described duckbill valve flange short tube
End is connected with described overflow sewage well, and the other end is connected with described duckbill valve by flange；Described duckbilled
Valve is arranged on described bilge water resisting and pours in down a chimney in well；One end of described overflow pipe and described bilge water resisting pour in down a chimney well
Being connected, the other end is connected with described overflow sewage house steward by flange；
Described valve well includes rotational flow-limiting valve, intercepting sewage water inlet pipe, intercepting sewage outlet pipe and sets
Put the valve well manhole cover at described valve well top；One end of described intercepting sewage water inlet pipe is with described
Combined sewage well is connected, and the other end is connected with the water inlet of described rotational flow-limiting valve by flange；Described
The outlet of rotational flow-limiting valve is connected with one end of described intercepting sewage outlet pipe by flange；Described section
The other end of stream sewage outlet pipe is connected with described intercepting sewage house steward by flange.
Stream Vatch basin equipment is adjusted in above-mentioned integration automatically, and wherein, described adjustable downflow weir uses stainless
Steel matter is made, and elongate holes is offered in the bottom of described adjustable downflow weir, and this elongate holes is by stainless
Steel bolt is fixed with described cross fiberglass dividing plate.
Stream Vatch basin equipment, wherein, being internally provided with of described equipment box are adjusted in above-mentioned integration automatically
Some glass reinforcing rib.
Above-mentioned integration tune stream Vatch basin equipment automatically, wherein, described combined sewage flange short tube,
Duckbill valve flange short tube, overflow pipe, intercepting sewage water inlet pipe and intercepting sewage outlet pipe all use glass
Glass steel pipe；Described rotational flow-limiting valve uses stainless steel to make；Described duckbill valve uses quality of rubber materials
Make.
Have employed a kind of integration of the present utility model and automatically adjust the technical scheme of stream Vatch basin equipment, adopt
With structures equipment, rotational flow-limiting valve and duckbill valve are simultaneously introduced it, it is to avoid traditional Vatch basin
Long construction period, it is difficult to accurately control intercepting sewage amount and the defect poured in down a chimney cannot be prevented, with existing
Technology is compared, and it has the beneficial effect that:
1), complete equipment, after factory process completes, be transported to on-the-spot directly use with external pipe
Flange docks, the shortcoming avoiding armored concrete Vatch basin long construction period；
2), have employed rotational flow-limiting valve, this valve utilizes the pressure reduction of its entery and delivery port, accurately controls
The flow of intercepting sewage, it is not necessary to any other power；Avoid tradition Vatch basin flow-control not
Accurately, the shortcoming that operability is poor；
3), have employed duckbill valve, it is to avoid outside body of water likely pours in down a chimney and enters lacking of tradition Vatch basin
Point.
Accompanying drawing explanation
Fig. 1 is the structural representation that stream Vatch basin equipment is adjusted in integration of the present utility model automatically；
Fig. 2 is that the A-A of Fig. 1 is to sectional view；
Fig. 3 is that the B-B of Fig. 1 is to sectional view；
Fig. 4 is that the C-C of Fig. 1 is to sectional view.
Detailed description of the invention
Utility model people of the present utility model is in order to enable preferably to enter the technical solution of the utility model
Row understands, below by specifically embodiment and combine accompanying drawing and be described in detail:
Referring to Fig. 1 to Fig. 4, most preferred embodiment of the present utility model, stream is adjusted in a kind of integration automatically
Vatch basin equipment, external common sewer, overflow sewage house steward and intercepting sewage house steward, integration is automatically
Stream Vatch basin equipment is adjusted to include that equipment box 6, equipment box 6 use glass steel material to make, equipment box 6
The internal cross fiberglass dividing plate 61 that passes through is divided into four parts, and this four part is according to side clockwise
Well 3 and valve well 4 is poured in down a chimney to the combined sewage well 1 set gradually, overflow sewage well 2, bilge water resisting.
Equipment box 6 be internally provided with some glass reinforcing rib 5, glass reinforcing rib 5 is possible to prevent to set
Standby case 6 box deformation.
Refer to Fig. 1 and Fig. 4, combined sewage well 1 include combined sewage flange short tube 11, adjustable overflow
Stream weir 12 and the combined sewage well manhole cover 13 being arranged on combined sewage well 1 top；Combined sewage method
One end of blue short tube 11 is connected with common sewer by flange, and the other end accesses in combined sewage well 1；
Combined sewage well 1 is connected with overflow sewage well 2 by adjustable downflow weir 12；Adjustable downflow weir 12 is adopted
Making with stainless steel, elongate holes is offered in the bottom of adjustable downflow weir 12, and this elongate holes leads to
Cross stainless steel bolt to fix with cross fiberglass dividing plate 61, be adjusted according to actual water level adjustable
Downflow weir 12 height；Combined sewage well manhole cover 13 is connected with combined sewage well 1, convenient to interflow
Bilge well 1 overhauls with overflow sewage well 2.
Referring to Fig. 1 and Fig. 2, bilge water resisting pours in down a chimney well 3 and includes duckbill valve 31, duckbill valve flange short tube
34, overflow pipe 32 and be arranged on bilge water resisting and pour in down a chimney the bilge water resisting at well 3 top and pour in down a chimney well manhole cover 33；
One end of duckbill valve flange short tube 34 is connected with overflow sewage well 2, and the other end passes through flange and duckbilled
Valve 31 is connected；Duckbill valve 31 uses quality of rubber materials to make, and duckbill valve 31 is arranged on bilge water resisting and pours in down a chimney
In well 3；One end of overflow pipe 32 is poured in down a chimney well 3 and is connected with bilge water resisting, the other end by flange with
Overflow sewage house steward is connected；Bilge water resisting pours in down a chimney well manhole cover 33 and pours in down a chimney well 3 with bilge water resisting and be connected, side
Just bilge water resisting is poured in down a chimney well to overhaul.
Refer to Fig. 1 and Fig. 3, valve well 4 include rotational flow-limiting valve 41, intercepting sewage water inlet pipe 42,
Intercepting sewage outlet pipe 43 and the valve well manhole cover 44 being arranged on valve well 4 top；Intercepting sewage
One end of water inlet pipe 42 is connected with combined sewage well 1, and the other end is by flange and rotational flow-limiting valve 41
Water inlet be connected；The outlet of rotational flow-limiting valve 41 is by flange and intercepting sewage outlet pipe 43
One end is connected；The other end of intercepting sewage outlet pipe 43 is connected with intercepting sewage house steward by flange.
Rotational flow-limiting valve 41 uses stainless steel to make, and rotational flow-limiting valve 41 is the automatic dress controlling flow
Put, rely solely on current and just can reach to control the effect of flow, there is not abrasion or aging problem,
The water-head of water inlet and outlet is the dynamic action source of rotational flow-limiting valve.Valve well manhole cover 44
It is connected with valve well 4, conveniently valve well 4 is overhauled.
Stream Vatch basin equipment is adjusted in integration of the present utility model automatically, in sewage collection system and bury
Ground is installed, and all materials are both needed to have antiseptic power.The equipment box 6 of this equipment uses glass epoxy even
Connect and form, in order to prevent box deformation, set up glass reinforcing rib 5 at box house；All and case
The pipeline that body connects all uses glass reinforced plastic pipe, glass reinforced plastic pipe all to use flange to other equipment relevant connection
Docking.Combined sewage flange short tube 11, duckbill valve flange short tube 34, overflow pipe 32, dirt of damming
Water water inlet pipe 42 and intercepting sewage outlet pipe 43 all use glass reinforced plastic pipe；Rotational flow-limiting valve 41 uses
Stainless steel, duckbill valve 31 uses quality of rubber materials.
Integration of the present utility model is adjusted in stream Vatch basin equipment automatically, and the function of each several part is as follows:
(1), the function of combined sewage well 1, one is when fine day and rainfall initial stage, is responsible for outside
Dry flow sewage is all drained in intercepting sewage water inlet pipe 42；Two is in the rainfall later stage, is responsible for portion
Dividing intercepting sewage to be drained in intercepting sewage water inlet pipe 42, the most unnecessary combined sewage is by adjustable
Weir flow weir 12 overflow is in overflow sewage well 2；
(2), the function of overflow sewage well 2, be responsible for being entered into by the overflow of adjustable downflow weir 12
Combined sewage in overflow sewage well 2 is all drained into bilge water resisting by duckbill valve 31 and pours in down a chimney in well 3；
(3), bilge water resisting pour in down a chimney the function of well 3, one is responsible for entering antifouling by duckbill valve 31
The overflow combined sewage that water pours in down a chimney in well 3 is all discharged to overflow sewage house steward by overflow pipe 32
I.e. outside body of water；Two is when i.e. outside body of water water level exceedes overflow pipe 32 to overflow sewage house steward,
Outside body of water will pour in down a chimney and enters into bilge water resisting and pour in down a chimney in well 3, and under this operating mode, bilge water resisting pours in down a chimney well
3 do not allow sewage enter in overflow sewage well 2 by duckbill valve 31；
(4), the function of valve well 4, one is when fine day and rainfall initial stage, rotational flow-limiting valve 41
It is responsible for the dry flow sewage entered from combined sewage well 1 to be all discharged in intercepting sewage outlet pipe 43；
Two is in the rainfall later stage, and rotational flow-limiting valve 41 is responsible for from the part intercepting sewage of combined sewage well 1
Draining in intercepting sewage outlet pipe 43, rotational flow-limiting valve 41 is by its water inlet and the water level of outlet
Water-head before and after differing from i.e., is automatically adjusted its displacement, when front and back's water-head exceedes design load, and eddy flow
The maximum displacement of flow-limiting valve 41 is design maximum flow, now, even if before and after rotational flow-limiting valve 41
Water-head constantly increase, the displacement of rotational flow-limiting valve 41 also will not increase.
Integration of the present utility model automatically adjust stream Vatch basin equipment operation principle be:
The intercepting sewage design maximum flow formula of Vatch basin is as follows:
Q '=(n0+1)Qdr
Q ' intercepting sewage design discharge, unit L/S；
n0Interception ratio；Typically take 2-5；
QdrDry flow sewage design discharge before Vatch basin, unit L/S；
Dry flow sewage design discharge Q when choosing Vatch basin, before Vatch basindrWith interception ratio n0It is
One determines value, then intercepting sewage design maximum flow Q ' is exactly one and determines value.The function of Vatch basin
One is, when fine day and rainfall initial stage, the whole sewage in upstream enters into the sewage treatment plant in downstream；Two
Being in the rainfall later stage, the maximum stream flow of actual intercepting sewage does not exceeds design maximum flow Q ', if
When actual intercepting sewage amount is far longer than design maximum flow Q ', downstream intercepting sewage pipe network will occur
Sewage is counter to be emitted and brings impact to sewage treatment plant.
Stream Vatch basin equipment is adjusted in integration of the present utility model automatically, when mounted, is directly transported to construction
Scene, is connected to combined sewage flange short tube 11 outside common sewer, outside intercepting sewage
House steward is connected to the sewage outlet pipe 43 that throttles, and outside overflow sewage house steward is connected to overflow pipe
32, this equipment gets final product work.After integration adjusts stream Vatch basin equipment to install automatically, in debugging
Operation phase, can control by regulating the height of adjustable downflow weir 12 according to actual operating mode
The flood level that system is actual.
Integration of the present utility model adjusts the technique of damming of stream Vatch basin equipment to comprise the following steps automatically:
Step S1, when fine day and rainfall initial stage, enters in combined sewage well 1 from common sewer
Dry flow sewage, makes current enter along the water inlet of rotational flow-limiting valve 41 by intercepting sewage water inlet pipe 42
The valve pocket of rotational flow-limiting valve 41, when flow is less, current pass through with gravity stream mode in valve pocket,
It is discharged to the intercepting sewage house steward in downstream；
Step S2, when the rainfall later stage, constantly increases owing to entering the combined sewage in combined sewage well 1
Many, the water-head of rotational flow-limiting valve 41 water inlet and outlet is continuously increased, along with being limited by eddy flow
The flow of the valve pocket of stream valve 41 increases, and air will enter valve pocket by rotational flow-limiting valve 41 pore,
Intercepting current makes current form the eddy flow of a kind of axisymmetric, and forms tangential speed at a high speed in valve pocket
Degree, and in the middle part of valve pocket, form an air column, intercept most water outlet, successfully reduce water outlet
Amount；When the water-head of rotational flow-limiting valve 41 water inlet and outlet reaches design load, eddy flow current limliting
The displacement of valve 41 reaches designed displacement i.e. maximum displacement, now, even if rotational flow-limiting valve 41
The water-head of water inlet and outlet constantly increases, and the displacement of rotational flow-limiting valve 41 also will not increase；
Unnecessary combined sewage in combined sewage well 1 then by the overflow of adjustable downflow weir 12 to overflow sewage well
In；
Step S3, when the water level in overflow sewage well 2 rises, then by coupled logical duckbilled
Overflow sewage in overflow sewage well 2 is entered to bilge water resisting by valve flange short tube 34 and duckbill valve 31
Fill in well 3, be then expelled to overflow sewage house steward by overflow pipe 32；
Step S4, when the wastewater level in overflow sewage house steward exceedes overflow pipe 32, overflow is dirty
Sewage in supply mains will pour in down a chimney entrance bilge water resisting and pour in down a chimney in well 3, overflow sewage well 2 and bilge water resisting
Pouring in down a chimney well 3 uses duckbill valve 31 to connect, and pours in down a chimney entrance bilge water resisting and pours in down a chimney the sewage in well 3 and will not enter
Enter in overflow sewage well 2, also do not interfere with whole integration and automatically adjust the fortune of stream Vatch basin equipment
OK；
Step S5, when integration adjusts stream Vatch basin equipment to need to safeguard automatically, opens interflow well manhole cover
13, bilge water resisting pours in down a chimney well manhole cover 33 and valve well manhole cover 44 access arrangement case keeps in repair.
Stream Vatch basin equipment is adjusted in integration of the present utility model automatically, and equipment box uses fiberglass resistance to
Rotten material processes, it is to avoid the shortcoming that traditional Vatch basin site operation cycle long difficulty is big；Adopt
With rotational flow-limiting valve, control the maximum displacement of intercepting sewage amount automatically and accurately, and be not required to
Extra power source to be increased, it is to avoid traditional Vatch basin flow-control is inaccurate, operability is poor
Shortcoming；Have employed the duckbill valve that bilge water resisting pours in down a chimney, it is to avoid owing to outside body of water likely pours in down a chimney
The shortcoming entering tradition Vatch basin.
In sum, stream Vatch basin equipment is adjusted in integration of the present utility model automatically, have employed and constructs
Thing equipment, be simultaneously introduced rotational flow-limiting valve and duckbill valve, it is to avoid traditional Vatch basin construction week
Phase length, it is difficult to accurately control intercepting sewage amount and the defect poured in down a chimney cannot be prevented.This utility model
Integration automatically adjust stream Vatch basin equipment, in Combined Municipal drainage system, can be at fine day
Time, make the sewage dammed enter sewage and cut dirty system, can not allow being automatically adjusted combined closure system when raining heavyly again
The rainwater exceeding combined closure system enters into a section dirty system, overflow water will not be allowed again to pour in down a chimney simultaneously, finally reach
The purpose of regulation water environment.
Those of ordinary skill in the art is it should be appreciated that above embodiment is intended merely to
Bright this utility model, and it is not used as to restriction of the present utility model, as long as of the present utility model
In spirit, change, the modification of embodiment described above all will be fallen of the present utility model
In Claims scope.
Claims (4)
1. stream Vatch basin equipment is automatically adjusted in integration, external common sewer, overflow sewage house steward and cut
Stream common sewer, it is characterised in that described integration adjusts stream Vatch basin equipment to include equipment box automatically,
Described equipment box uses glass steel material to make, and described equipment box is internal by cross fiberglass dividing plate
Being divided into four parts, this four part is according to the combined sewage well set gradually clockwise, overflow
Bilge well, bilge water resisting pour in down a chimney well and valve well, wherein:
Described combined sewage well includes combined sewage flange short tube, adjustable downflow weir and is arranged on described conjunction
The combined sewage well manhole cover at stream bilge well top；Method is passed through in one end of described combined sewage flange short tube
Blue and described common sewer is connected, and the other end accesses in described combined sewage well；Described combined sewage well
Connected with described overflow sewage well by described adjustable downflow weir；
Described bilge water resisting pours in down a chimney well and includes duckbill valve, duckbill valve flange short tube, overflow pipe and be arranged on
Described bilge water resisting pours in down a chimney the bilge water resisting at well top and pours in down a chimney well manhole cover；The one of described duckbill valve flange short tube
End is connected with described overflow sewage well, and the other end is connected with described duckbill valve by flange；Described duckbilled
Valve is arranged on described bilge water resisting and pours in down a chimney in well；One end of described overflow pipe and described bilge water resisting pour in down a chimney well
Being connected, the other end is connected with described overflow sewage house steward by flange；
Described valve well includes rotational flow-limiting valve, intercepting sewage water inlet pipe, intercepting sewage outlet pipe and sets
Put the valve well manhole cover at described valve well top；One end of described intercepting sewage water inlet pipe is with described
Combined sewage well is connected, and the other end is connected with the water inlet of described rotational flow-limiting valve by flange；Described
The outlet of rotational flow-limiting valve is connected with one end of described intercepting sewage outlet pipe by flange；Described section
The other end of stream sewage outlet pipe is connected with described intercepting sewage house steward by flange.
2. stream Vatch basin equipment is adjusted in integration as claimed in claim 1 automatically, it is characterised in that
Described adjustable downflow weir uses stainless steel to make, and strip is offered in the bottom of described adjustable downflow weir
Hole, this elongate holes is fixed with described cross fiberglass dividing plate by stainless steel bolt.
3. stream Vatch basin equipment is adjusted in integration as claimed in claim 1 automatically, it is characterised in that
Described equipment box be internally provided with some glass reinforcing rib.
4. stream Vatch basin equipment is adjusted in integration as claimed in claim 1 automatically, it is characterised in that
Described combined sewage flange short tube, duckbill valve flange short tube, overflow pipe, intercepting sewage water inlet pipe and
Intercepting sewage outlet pipe all uses glass reinforced plastic pipe；Described rotational flow-limiting valve uses stainless steel to make；
Described duckbill valve uses quality of rubber materials to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620254369.XU CN205502190U (en) | 2016-03-30 | 2016-03-30 | Well equipment that dams is flowed to automatic accent of integration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620254369.XU CN205502190U (en) | 2016-03-30 | 2016-03-30 | Well equipment that dams is flowed to automatic accent of integration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205502190U true CN205502190U (en) | 2016-08-24 |
Family
ID=56734067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620254369.XU Active CN205502190U (en) | 2016-03-30 | 2016-03-30 | Well equipment that dams is flowed to automatic accent of integration |
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| Country | Link |
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| CN (1) | CN205502190U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105672452A (en) * | 2016-03-30 | 2016-06-15 | 长江勘测规划设计研究有限责任公司上海分公司 | Integrated automatic flow adjusting and intercepting well equipment and intercepting process thereof |
-
2016
- 2016-03-30 CN CN201620254369.XU patent/CN205502190U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105672452A (en) * | 2016-03-30 | 2016-06-15 | 长江勘测规划设计研究有限责任公司上海分公司 | Integrated automatic flow adjusting and intercepting well equipment and intercepting process thereof |
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| C14 | Grant of patent or utility model | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20171110 Address after: 430016 No. 1863 Jiefang Avenue, Jiang'an District, Wuhan, Hubei Patentee after: Changjiang Survey, Planning, Design and Research Co., Ltd. Address before: 15, 200439 floor, International Building, 101 Gao Yin West Road, Shanghai, Baoshan District Patentee before: Shanghai Branch of Changjiang Institute of Survey, Planning, Design and Research Co., Ltd. |