CN207567918U - A kind of vacuum headstock gear and vacuum rinse-system - Google Patents
A kind of vacuum headstock gear and vacuum rinse-system Download PDFInfo
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- CN207567918U CN207567918U CN201721422411.5U CN201721422411U CN207567918U CN 207567918 U CN207567918 U CN 207567918U CN 201721422411 U CN201721422411 U CN 201721422411U CN 207567918 U CN207567918 U CN 207567918U
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- sliding part
- vacuum
- opening
- clamping head
- headstock gear
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 238000003860 storage Methods 0.000 claims description 63
- 238000007789 sealing Methods 0.000 claims description 20
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000011010 flushing procedure Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000008237 rinsing water Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Sanitary Device For Flush Toilet (AREA)
Abstract
The utility model discloses a kind of vacuum headstock gear and vacuum rinse-systems, are related to water-treatment technology field.Including：The first noumenon has accommodating chamber, and top is equipped with through-hole, and through-hole is connected with accommodating chamber；Sliding part is set in accommodating chamber, and accommodating chamber is stretched out in one end, and sliding part lateral surface is fitted close with accommodating chamber cavity wall, and sliding part surrounds an inner cavity with the first noumenon；Dynamic clamping head and quiet clamping head is located at interior intracavitary, and dynamic clamping head and quiet clamping head both ends are abutted with inner cavity cavity wall and sliding part；Second ontology is equipped with opening, and sliding part can be closer or far from opening, the bottom sealable opening of sliding part；When air pressure of the inner cavity air pressure less than the separate sliding part side of opening, sliding part is in opening far from opening, vacuum headstock gear；When air pressure of the air pressure in inner cavity not less than the separate sliding part side of opening, dynamic clamping head and quiet clamping head pushes sliding part close to opening, and sliding part closing is open, and vacuum headstock gear is closed.The utility model design is simple, and service efficiency is high.
Description
Technical field
The utility model is related to water-treatment technology fields, are specifically related to a kind of vacuum headstock gear and vacuum rinses system
System.
Background technology
Due to carrying the polluter and impurity of more ground and pipeline in initial rainwater, using storage pond to initial rainwater
When being collected processing, polluter and impurity can inevitably be deposited on storage pond bottom, therefore, in actual motion,
The deposit of storage pond bottom must be rinsed.Currently used storage pond rinse-system includes water sprayer flushing, waterpower
Tipping bucket and gate-type are rinsed from rinse-system etc., these rinse-systems there are high energy consumption, artificial and equipment cost is high the shortcomings of.In recent years
Come, as requirement of the country to energy-saving and emission-reduction, reinforcement environmental protection increasingly improves, vacuum rinse-system is as a kind of energy saving, ring
The flushing facility of guarantor's type is increasingly valued by people, but also there are complicated and operations for existing vacuum rinse-system
The defects of poor reliability, therefore, there is an urgent need to the vacuum that a kind of control system is simple, reliable, service efficiency is high at present to rinse system
System.
Utility model content
For defect in the prior art, the main purpose of the utility model is that providing vacuum headstock gear and true
Empty rinse-system, design is simple, reliable, and service efficiency is high.
The utility model provides a kind of vacuum headstock gear, including：
The first noumenon with accommodating chamber, is equipped with through-hole at the top of the first noumenon, the through-hole connects with the accommodating chamber
It is logical；
Sliding part is set in the accommodating chamber, and the accommodating chamber, the slip are stretched out in one end of the sliding part
The lateral surface of part and the cavity wall of the accommodating chamber are fitted close, and the sliding part surrounds an inner cavity with the first noumenon,
The inner cavity is connected with the through-hole；
Dynamic clamping head and quiet clamping head, is arranged on the interior intracavitary, the both ends of the dynamic clamping head and quiet clamping head chamber with the inner cavity respectively
Wall and the sliding part abut；
Second ontology, which is provided with opening, and the sliding part can be closer or far from the opening, and the bottom of the sliding part
The salable opening in portion；
When air pressure of the air pressure in the inner cavity less than the separate sliding part side of the opening, the sliding part is remote
From the opening, its two side areas of the open communication, the vacuum headstock gear is in opening；When in the inner cavity
When air pressure is not less than air pressure of the opening far from the sliding part side, the dynamic clamping head and quiet clamping head pushes the sliding part close
The opening, and the sliding part closes the opening, the vacuum headstock gear is closed.
Based on the above technical solution, the first noumenon forms cavity body structure, institute with second body fits
It states the first noumenon or second body sidewall and is equipped with the venthole communicated with air, the cavity body structure can be described in unicom
Venthole and the opening.
Based on the above technical solution, the first noumenon includes connector and cover board, and the connector has institute
Accommodating chamber is stated, the through-hole is set on the cover board, and the connector and the lid surface are tightly connected.
Based on the above technical solution, the lateral surface of the sliding part is equipped with annular groove, and sealing is equipped in the annular groove
Circle, the sealing ring fit closely the cavity wall of the accommodating chamber.
Based on the above technical solution, the sliding part is the hollow structure of one end open.
Based on the above technical solution, the dynamic clamping head and quiet clamping head is spring, and one end of spring is consolidated with the sliding part
Fixed connection.
Based on the above technical solution, the opening periphery is equipped with sealing element and seal receptacle, the sealing element installation
In the seal receptacle, the lower end of the sliding part can be in close contact with the sealing element.
The utility model also provides a kind of vacuum rinse-system based on above-mentioned vacuum headstock gear, including water storage chamber,
Storage pond, vacuum pump and switch board, the water storage chamber and storage pond bottom communicate, and water is equipped in the water storage chamber and storage pond
Position meter, the vacuum rinse-system further include：
The vacuum headstock gear, is mounted at the top of the water storage chamber, and the opening is connected with the water storage chamber；
First pipeline which is provided with the first valve, water storage chamber and the vacuum pump described in first pipeline connection；
Second pipeline which is provided with the second valve, through-hole and the vacuum pump described in second pipeline connection.
Compared with prior art, it is as follows the advantages of the utility model：
(1) vacuum headstock gear is by controlling the pressure difference between inner cavity and atmospheric pressure so that sliding part is under differential pressure action
With opening connection or disengaging, whole device design is simple, easy to control, energy conservation and environmental protection.
(2) sliding part is set on inside the cavity body structure that the first noumenon and the second ontology are formed, and can effectively reduce extraneous ring
The harmful effect that border factor seals between sliding part and opening and between sliding part and connector, the operation for improving device can
By property.
(3) vacuum rinse-system is easy for assembly, and without outer power and additional water supply, convenient for safeguarding, operating cost is low, uses
It is efficient.
Description of the drawings
Fig. 1 is the structure diagram of the utility model embodiment vacuum headstock gear；
Fig. 2 is the structure diagram of the utility model embodiment vacuum rinse-system.
In figure：
1- the first noumenons, 11- through-holes, 12- inner cavities, 13- connectors, 14- cover boards, 2- sliding parts, 21- sealing rings, 23-
Blow vent, 3- dynamic clamping head and quiet clamping heads, the second ontologies of 4-, 41- openings, 42- sealing elements, 43- seal receptacles, 44- pressing plates, 5- storage ponds,
The second water-level gauges of 51-, 52- bottom sills, 53- rinse gallery, 54- collection galleries, 6- vacuum pumps, 7- switch boards, 8- water storage chambers, 10-
Vacuum headstock gear, the first pipelines of 20-, the first valves of 201-, the second pipelines of 30-, the second valves of 301-, the first water-level gauges of 40-.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail the utility model.
Shown in Figure 1, the utility model embodiment provides a kind of vacuum headstock gear 10, and vacuum headstock gear 10 includes
The first noumenon 1, sliding part 2,3 and second ontology 4 of dynamic clamping head and quiet clamping head.
The first noumenon 1 has accommodating chamber, and 1 top of the first noumenon is equipped with through-hole 11, and through-hole 11 is connected with accommodating chamber.
One end of sliding part 2 is movably arranged in accommodating chamber, and the other end stretches out accommodating chamber, the outside of sliding part 2
The cavity wall of face and accommodating chamber is fitted close, and sliding part 2 surrounds an inner cavity 12 with the first noumenon 1, and inner cavity 12 connects with through-hole 11
It is logical.Specifically, the lateral surface of sliding part 2 is equipped with annular groove, sealing ring 21 is equipped in annular groove, sealing ring 21 fits closely accommodating chamber
Cavity wall.Sliding part 2 is cylinder, and is the hollow structure of one end open.In other embodiments, sliding part 2 can be with it
The solid construction of its shape.
Dynamic clamping head and quiet clamping head 3 is arranged in inner cavity 12, the both ends of dynamic clamping head and quiet clamping head 3 respectively with the cavity wall and sliding part of inner cavity 12
2 abut.Specifically, one end of dynamic clamping head and quiet clamping head 3 is fixed together with sliding part 2, dynamic clamping head and quiet clamping head 3 is spring, such as
Torsional spring, helical spring or leaf spring etc..
41 peripheries be open equipped with sealing element 42 and seal receptacle 43, sealing element 42 is mounted in seal receptacle 43, and sealing element 42 can
To use sealing ring, sealing element 42 is mounted in seal receptacle 43 using bolt and pressing plate 44.It the lower end of sliding part 2 can be with sealing
Part 42 is in close contact.
Second ontology 4 is fixedly connected on 1 lower section of the first noumenon, and there are gap, the second ontologies 4 with 1 bottom of the first noumenon
Equipped with opening 41, opening 41 is located at 2 lower section of sliding part, and sliding part 2 can be closer or far from opening 41, and the bottom of sliding part 2 can
Sealed opening 41.
When the air pressure in inner cavity 12 is less than air pressure of the opening 41 far from 2 side of sliding part, negative pressure so that sliding part 2 is separate
Opening 41, dynamic clamping head and quiet clamping head 3, which is pressurized, shrinks, and opening 41 connects its two side areas, and vacuum headstock gear is in opening；
When the air pressure in inner cavity 12 is not less than air pressure of the opening 41 far from 2 side of sliding part, dynamic clamping head and quiet clamping head 3 pushes sliding part 2
Close to opening 41, and sliding part 2 closes opening 41, and vacuum headstock gear is closed.Vacuum headstock gear passes through control
Pressure difference between inner cavity and atmospheric pressure so that sliding part designs under differential pressure action with opening connection or disengaging, whole device
Simply, it is easy to control, energy conservation and environmental protection.
In Fig. 1,1 and second ontology 4 of the first noumenon cooperatively forms cavity body structure, and the first noumenon 1 includes 13 He of connector
Cover board 14, connector 13 have accommodating chamber, and through-hole 11 is set on cover board 14, and connector 13 is connected with 14 face seal of cover board, the
Two ontologies, 4 side wall is equipped with even open to atmosphere blow vent 23,1 and second ontology 4 of the first noumenon and is bolted.Connector 13 is
Cylinder, and with central through hole as accommodating chamber.Sliding part 2 is set on inside cavity body structure, can effectively reduce external environment
Factor seals bad such as dust, impurity between sliding part 2 and opening 41 and between sliding part 2 and connector 13
It influences, improves the operational reliability of device.
In other examples, 1 and second ontology 4 of the first noumenon cooperatively forms cavity body structure, and the first noumenon 1 includes connecting
Junctor 13 and cover board 14, the first noumenon 1 further include tubbiness shell, and shell is bolted with cover board 14, and connector 13 is set on
In shell, side wall of outer shell is equipped with the venthole 23 that is communicated with air, cavity body structure can unicom venthole 23 and opening 41, second
Ontology 4 is bottom plate, and the shell of bottom plate and the first noumenon 1 is bolted.
In other examples, 1 and second ontology 4 of the first noumenon can also have other connection modes and structure, tool
Body, connection can be fixed by the bracket between 1 and second ontology 4 of the first noumenon, forms frame structure.
Shown in Figure 2, the utility model embodiment also provides a kind of vacuum punching based on above-mentioned vacuum headstock gear 10
System is washed, vacuum rinse-system includes water storage chamber 8, storage pond 5, vacuum pump 6, switch board 7, vacuum headstock gear 10, first and manages
20 and second pipeline 30 of road.
Water storage chamber 8 and 5 bottom of storage pond communicate, 5 bottom of storage pond be followed successively by the direction far from water storage chamber 8 bottom sill 52,
Gallery 53 and collection gallery 54 are rinsed, the second water-level gauge 51 is equipped in storage pond 5.Vacuum headstock gear 10 may be mounted at water
8 top of room, vacuum headstock gear 10 are used to be rinsed dredging to storage pond 2.Specifically, 8 top of water storage chamber is with installation
The concrete structure of slot, the second ontology 2 can be fixed on by chemical anchor bolts in the concrete foundation at 8 top of water storage chamber, opening
41 connect with water storage chamber 8, and when vacuum headstock gear 10 is closed, water storage chamber 8 forms confined space.Water storage chamber 8 is equipped with the first water level
Meter 40, the first water-level gauge 40 can install the gap location of the second ontology 2 and mounting groove.
First pipeline 20 is equipped with the first valve 201, the first pipeline 20 connection water storage chamber 8 and vacuum pump 6.Specifically, the
One pipeline 20 can be arranged on the gap location of the second ontology 2 and mounting groove.Second pipeline 30 be equipped with the second valve 301, second
Pipeline 30 connects through-hole 11 and vacuum pump 6.
Switch board 7 acquires the signal of the first water-level gauge 40 and the second water-level gauge 51, and to the first valve 201, the second valve
301 and vacuum pump 6 controlled.Vacuum rinse-system is easy for assembly, without outer power and additional water supply, convenient for safeguarding, operation
At low cost, service efficiency is high.
Vacuum purging method based on above-mentioned vacuum rinse-system includes the following steps：
S1. vacuum headstock gear 10, water storage chamber 8 and the water storage simultaneously of storage pond 5 are opened.
S2. after 8 water level of water storage chamber reaches the first predetermined water level, vacuum headstock gear 10 is closed, water storage chamber 8 forms confined air
Between, the first valve 201 is opened, the first pipeline 20 connection vacuum pump 6, vacuum pump 6 vacuumizes water storage chamber 8, on 8 water level of water storage chamber
It rises.
S3. when 8 water level of water storage chamber reaches the second predetermined water level, the first valve 201 is closed, empties storage pond 5.
S4. vacuum headstock gear 10, water storage chamber 8 and atmosphere are opened, the water in water storage chamber 8 from bottom exchange by outflow
Reservoir 5 is rinsed.
Vacuum headstock gear 10 is opened to include the following steps：Open the first valve 201, water storage chamber 8 and atmosphere；Conversion
Second valve 301 makes the second pipeline 30 be connected with vacuum pump 6, and vacuum pump 6 vacuumizes inner cavity 12, the air pressure in inner cavity 12
During subatmospheric, sliding part 2 closes vacuum pump 6 far from opening 41, water storage chamber 8 and atmosphere.
Vacuum headstock gear 10 is closed to include the following steps：The second valve 301 is converted, inner cavity 12 is made to pass through the second pipeline 30
With atmosphere, dynamic clamping head and quiet clamping head 3 pushes sliding part 2 to close opening 41.
The operation principle being rinsed using vacuum headstock gear 10 is：
When storage pond 5 is flat during normal water storage, it is true to connect that the second valve 301 on the second pipeline 30 is transformed into first position
Sky pump 6, makes the second pipeline 30 be connected with vacuum pump 6, inner cavity 12 is in vacuum state, so sliding part 2 is in atmospheric pressure and inner cavity
It is communicated under the differential pressure action of 12 air pressures in opening, water storage chamber 8 with air.In rainfall, 5 water of storage pond is deposited simultaneously
Hydroecium 8 can also intake, and the water level of water storage chamber 8 is consistent with the reserve-water-level of storage pond 5.
When water storage chamber 8 reaches the first setting water level, vacuum pump 6 starts, the first valve 201 open (the first pipeline 20 with
Vacuum pump 6 connects), the second valve 301 is transformed into the second position to connect air, and inner cavity 12 is connected greatly by the second pipeline 30
Gas, sliding part 2 is in dynamic clamping head and quiet clamping head 3 and self gravitation effect ShiShimonoseki make and break mouth 41, and vacuum pump 6 is by the first pipeline 20 to water
Room 8 vacuumizes, and the liquid level of water storage chamber 8 rises, and when reaching the second setting water level (rinsing water level), control system can ensure to deposit
The certain vacuum degree of hydroecium 8 come maintain setting flushing height of water level.
After storage pond 5 empties, need rinse storage pond 5 bottom of pond when, the second valve 301 be transformed into first position with
Vacuum pump 6 is connected, the second pipeline 30 is made to be connected with vacuum pump 6, vacuum pump 6 vacuumizes the inner cavity 12 of vacuum headstock gear 10,
Sliding part 2 is opened under the suction function of inner cavity 12, and outside air enters water storage chamber 8 by blow vent 23, is deposited so as to destroy
The vacuum of hydroecium 8.The water of water storage chamber 8 flows out under gravity from bottom level, so as to fulfill the flushing to storage pond 5.
The utility model is not limited to the above embodiment, for those skilled in the art, not
Under the premise of being detached from the utility model principle, several improvements and modifications can also be made, these improvements and modifications are also considered as this reality
Within novel protection domain.The content not being described in detail in this specification belongs to well known to professional and technical personnel in the field
The prior art.
Claims (8)
1. a kind of vacuum headstock gear, which is characterized in that it includes：
The first noumenon (1) with accommodating chamber, is equipped with through-hole (11), the through-hole (11) and institute at the top of the first noumenon (1)
State accommodating chamber connection；
Sliding part (2), is set in the accommodating chamber, and the accommodating chamber, the cunning are stretched out in one end of the sliding part (2)
The lateral surface of moving part (2) is fitted close with the cavity wall of the accommodating chamber, and the sliding part (2) is enclosed with the first noumenon (1)
Into an inner cavity (12), the inner cavity (12) connects with the through-hole (11)；
Dynamic clamping head and quiet clamping head (3) is arranged in the inner cavity (12), the both ends of the dynamic clamping head and quiet clamping head (3) respectively with it is described interior
The cavity wall and the sliding part (2) of chamber (12) abut；
Second ontology (4), which is provided with opening (41), and the sliding part (2) can be open (41), and described closer or far from described
The salable opening (41) in bottom of sliding part (2)；
It is described when air pressure of the air pressure in the inner cavity (12) less than the separate sliding part (2) side of the opening (41)
For sliding part (2) far from the opening (41), the opening (41) connects its two side areas, and the vacuum headstock gear, which is in, to be opened
State；When air pressure of the air pressure in the inner cavity (12) not less than the separate sliding part (2) side of the opening (41), institute
It states dynamic clamping head and quiet clamping head (3) and pushes the sliding part (2) close to the opening (41), and the sliding part (2) closes the opening
(41), the vacuum headstock gear is closed.
2. vacuum headstock gear as described in claim 1, it is characterised in that：The first noumenon (1) and second ontology
(4) cavity body structure is cooperatively formed, the first noumenon (1) or second ontology (4) side wall are equipped with what is communicated with air
Venthole (23), the cavity body structure can venthole (23) described in unicom and the openings (41).
3. vacuum headstock gear as described in claim 1, it is characterised in that：The first noumenon (1) includes connector (13)
With cover board (14), the connector (13) has the accommodating chamber, and the through-hole (11) is on the cover board (14), the company
Junctor (13) is connected with the cover board (14) face seal.
4. vacuum headstock gear as described in claim 1, it is characterised in that：The lateral surface of the sliding part (2) is equipped with annular groove,
Sealing ring (21) is equipped in the annular groove, the sealing ring (21) fits closely the cavity wall of the accommodating chamber.
5. vacuum headstock gear as described in claim 1, it is characterised in that：The sliding part (2) is hollow for one end open
Structure.
6. vacuum headstock gear as described in claim 1, it is characterised in that：The dynamic clamping head and quiet clamping head (3) is spring, spring
One end is fixedly connected with the sliding part (2).
7. vacuum headstock gear as described in claim 1, it is characterised in that：Described opening (41) periphery is equipped with sealing element (42)
With seal receptacle (43), the sealing element (42) in the seal receptacle (43), the lower end of the sliding part (2) can with it is described
Sealing element (42) is in close contact.
8. a kind of vacuum rinse-system based on claim 1-7 any one of them vacuum headstock gears, including water storage chamber
(8), storage pond (5), vacuum pump (6) and switch board (7), the water storage chamber (8) and storage pond (5) bottom communicate, the water
Water-level gauge is equipped in room (8) and storage pond (5), which is characterized in that the vacuum rinse-system further includes：
The vacuum headstock gear (10) is mounted at the top of the water storage chamber (8), the opening (41) and the water storage chamber
(8) it connects；
First pipeline (20), which is provided with the first valve (201), and first pipeline (20) connects the water storage chamber (8) and institute
State vacuum pump (6)；
Second pipeline (30), which is provided with the second valve (301), and second pipeline (30) connects the through-hole (11) and described
Vacuum pump (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721422411.5U CN207567918U (en) | 2017-10-27 | 2017-10-27 | A kind of vacuum headstock gear and vacuum rinse-system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721422411.5U CN207567918U (en) | 2017-10-27 | 2017-10-27 | A kind of vacuum headstock gear and vacuum rinse-system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207567918U true CN207567918U (en) | 2018-07-03 |
Family
ID=62692686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721422411.5U Active CN207567918U (en) | 2017-10-27 | 2017-10-27 | A kind of vacuum headstock gear and vacuum rinse-system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207567918U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107761935A (en) * | 2017-10-27 | 2018-03-06 | 武汉圣禹排水系统有限公司 | A kind of vacuum headstock gear, vacuum rinse-system and method |
-
2017
- 2017-10-27 CN CN201721422411.5U patent/CN207567918U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107761935A (en) * | 2017-10-27 | 2018-03-06 | 武汉圣禹排水系统有限公司 | A kind of vacuum headstock gear, vacuum rinse-system and method |
| CN107761935B (en) * | 2017-10-27 | 2023-06-20 | 武汉圣禹排水系统有限公司 | Vacuum start-stop device, vacuum flushing system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 509 Weihu Road, Shamao Street, Hannan District, Wuhan City, Hubei Province, 430000 Patentee after: Wuhan Shengyu Smart Ecological Environmental Protection Co.,Ltd. Address before: 430000, No. 189, Minli North Road, Wuhan Economic and Technological Development Zone, Hubei Province Patentee before: WUHAN SHENGYU DRAINAGE SYSTEM Co.,Ltd. |
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| CP03 | Change of name, title or address |