CN209293104U - A kind of pin-connected panel is without the secondary intelligent water supply bin of negative pressure non-pollution - Google Patents
A kind of pin-connected panel is without the secondary intelligent water supply bin of negative pressure non-pollution Download PDFInfo
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- CN209293104U CN209293104U CN201821726757.9U CN201821726757U CN209293104U CN 209293104 U CN209293104 U CN 209293104U CN 201821726757 U CN201821726757 U CN 201821726757U CN 209293104 U CN209293104 U CN 209293104U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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Abstract
The utility model discloses a kind of pin-connected panels without the secondary intelligent water supply bin of negative pressure non-pollution, is related to supply equipment technical field.The utility model includes warehouse, and warehouse is by several annular compacting template welding or is bolted into a cavity structure；The bottom of warehouse is a trapezoidal catch basin；The top surface of warehouse is communicated with one without negative-pressure vacuum suppressor；The top of warehouse, which is run through, a water inlet pipe；The bottom of trapezoidal catch basin is provided with a water outlet, and the bottom surface of trapezoidal catch basin is communicated with a sewage pipe, and a blowdown motor-driven valve is equipped on sewage pipe.The utility model carries out agitation output to stagnant water by inclined tube, and cleaning-sterilizing is carried out to the air for entering warehouse, and guarantee the spatter property of water body and safety in warehouse by carrying out periodically discharge to the intracorporal pollutant in storehouse, it does not need specially to cut off the water and cleans warehouse, largely discharge water waste and owner's water inconvenience are avoided, and alleviates people's labour pressure.
Description
Technical field
The utility model belongs to supply equipment technical field, more particularly to a kind of pin-connected panel without the secondary intelligence of negative pressure non-pollution
It can water supply bin.
Background technique
During resident's daily water consumption, municipal network pipeline is fed the water into user family by non-negative pressure water-supply device；
And in non-negative pressure water-supply device, steady-flow tank or header tank are commonly used for laminating elimination negative pressure with municipal network pipeline to guarantee user just
Common water.
Steady-flow tank in the market has the shortcomings that water-holding quantity is small, and it is impossible to meet the daily water consumption demands of people；And it catchments
After case transport is inconvenient, and inner air and outside air swap, it is impossible to ensure that the cleaning at the water source inside header tank, gives
The water safety of people brings certain hidden danger, therefore a kind of pin-connected panel of requiring study is without the secondary intelligent water supply bin of negative pressure non-pollution
The shortcomings that overcoming steady-flow tank and header tank, to guarantee the safety and convenience of daily resident's water supply.
Utility model content
The purpose of this utility model is to provide a kind of pin-connected panels without the secondary intelligent water supply bin of negative pressure non-pollution, passes through inclined tube
Agitation output carried out to stagnant water, and cleaning-sterilizing carried out to the air for entering warehouse, and by the intracorporal pollutant in storehouse into
To guarantee the spatter property of water body and safety in warehouse, solving existing steady-flow tank or header tank cannot be guaranteed for row periodically discharge
The problem of water body spatter property and safety in utilization.
In order to solve the above technical problems, the utility model is achieved through the following technical solutions:
The utility model is that a kind of pin-connected panel is logical without the secondary intelligent water supply bin of negative pressure non-pollution, including warehouse, the warehouse
It crosses several annular slabs, a silo roof lid and an orlop lid assembly and is welded into a cavity structure；The bottom of the warehouse is a trapezoidal collection
Sink；The top surface of the warehouse is communicated with one without negative-pressure vacuum suppressor；The top of the warehouse, which is run through, a water inlet pipe；
The bottom of the trapezoidal catch basin is provided with a water outlet, and the bottom surface of the trapezoidal catch basin is communicated with a sewage pipe,
One blowdown motor-driven valve is installed on the sewage pipe；
The no negative-pressure vacuum suppressor is connected by communicating pipe with blowdown overflow pipe；And it is communicated on the communicating pipe
One automatically cleaning sterilizer；
One end of the blowdown overflow pipe is equipped with air cleaner, the other end and the sewage pipe phase of the blowdown overflow pipe
Connection；The blowdown overflow pipe is connected by drainage tube with safety valve, and is connected at the top of the safety valve and warehouse；Institute
It states and is communicated with a siphon blowdown apparatus in the middle part of blowdown overflow pipe；
The siphon blowdown apparatus includes a siphon blowdown bend pipe, and the siphon blowdown bend pipe is connected with blowdown overflow pipe
It is logical；
The bottom of the water inlet pipe is communicated with several inclined tubes, and the angle between the inclined tube and water inlet pipe is obtuse angle；Institute
State and a water inlet motor-driven valve be installed at the top of water inlet pipe, the water inlet of the water inlet pipe is connected with municipal network pipeline, and it is described into
The pressure sensor of control automatically cleaning sterilizer switch is installed on water pipe；
The liquid level sensor of the electronic threshold switch of control water inlet is installed on all sides of the sewage pipe；
The water inlet motor-driven valve, blowdown motor-driven valve, automatically cleaning sterilizer, pressure sensor and liquid level sensor respectively with control
Control panel in control panel in cabinet processed is electrically connected.
Further, it is provided with an access hole at the top of the warehouse, and is hinged with a sealing cover on the access hole；It is described
The inner surface and the outer surface of warehouse is separately installed with maintenance ladder, and the maintenance ladder is corresponding with access hole.
Further, the sum of diameter of several inclined tubes is not less than the diameter of water inlet pipe.
Further, a ball valve is communicated on the corresponding blowdown overflow pipe of the siphon blowdown bend pipe.
Further, the water outlet is connected by water pump with water supplying pipe.
Further, the automatically cleaning sterilizer is ozonizer.
The utility model has the following beneficial effects:
1, the utility model controls the switch of no negative-pressure vacuum suppressor by the buoyancy of water in warehouse, and passes through air
Filter and automatically cleaning sterilizer successively carry out cleaning-sterilizing into the intracorporal air in storehouse；And it is effective by the water flow of inclined tube
The intracorporal stagnant water in storehouse is subjected to agitation output, avoids introduced contaminants to the pollution of water body in warehouse and the waste of water resource,
And ensure that the safety of water cleaning and people's water in warehouse, the intelligence of warehouse control is improved, the labor of people is alleviated
Dynamic pressure is brought conveniently to user with water.
2, the utility model periodically opens blowdown motor-driven valve by control panel, will be deposited in the dirt in trapezoidal catch basin
Object is contaminated periodically to discharge by sewage pipe；And the liquid level ponding situation at sewage pipe on ground is detected to control by liquid level sensor
The switch of water inlet motor-driven valve, effectively avoids the waste of the accumulation of stagnant water and water resource in warehouse, improves the cleaning at water source
The intelligence of degree and warehouse control.
3, the utility model is welded into warehouse by several annular slabs, a silo roof lid and an orlop lid to carry out assembly, has
Effect improves the transport and assembled convenience of warehouse, and reduces transportation cost, installs operation convenient for people.
4, the utility model arranges the water for flowing through no negative-pressure vacuum suppressor and safety valve to blowdown overflow pipe, and through blowdown
The water of overflow pipe flows to sewage pipe through siphon blowdown apparatus, and siphon blowdown apparatus can effectively reduce water flow noise, has deodorization
With antipollution function, guarantee spatter property and safety that water body uses.
Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is a kind of structural schematic diagram of the pin-connected panel of the utility model without the secondary intelligent water supply bin of negative pressure non-pollution；
Fig. 2 is the control system schematic diagram of the utility model embodiment two；
In attached drawing, parts list represented by the reference numerals are as follows:
1- warehouse, 2- is without negative-pressure vacuum suppressor, 3- water inlet pipe, 4- sewage pipe, 5- blowdown overflow pipe, the disinfection of 6- automatically cleaning
Device, 7- air cleaner, 8- safety valve, 9- siphon blowdown apparatus, the trapezoidal catch basin of 101-, 102- water outlet, 103- access hole,
104- maintenance ladder, 201- communicating pipe, 301- inclined tube, 302- water inlet motor-driven valve, 303- pressure sensor, 401- blowdown are electronic
Valve, 402- liquid level sensor, 501- drainage tube, 502- ball valve, 901- siphon blowdown bend pipe.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term "ON", " bottom ", " top ", " end ", " in
The indicating positions such as portion ", "inner" or positional relationship, are merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified component or element must have a particular orientation, it is constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.
As shown in Figure 1, the utility model is a kind of pin-connected panel without the secondary intelligent water supply bin of negative pressure non-pollution, including warehouse 1,
Warehouse 1 welds or is bolted into a sky by several annular slabs or annular compacting template, a silo roof lid and an orlop lid assembly
Cavity configuration, wherein annular slab is welded by rectangular slab, can be welded in erecting bed；Using the side of assembly welding
Formula can transport annular slab, silo roof lid and orlop lid, and the transport and manufacturing cost easy for installation for reducing people convenient for people；
The bottom of warehouse 1 is a trapezoidal catch basin 101；The top surface of warehouse 1 is communicated with one without negative-pressure vacuum suppressor 2；The top of warehouse 1
Through there is a water inlet pipe 3；
The bottom of trapezoidal catch basin 101 is provided with a water outlet 102, and the bottom surface of trapezoidal catch basin 101 is communicated with a sewage pipe
4, a normally closed blowdown motor-driven valve 401 is installed on sewage pipe 4；After warehouse 1 is used for a long time, dirt can be accumulated in trapezoidal catch basin 101
Contaminate object, and opened by the regular control of sewage disposal motor-driven valve 401 of control panel, can effectively by pollutant by 4 row of sewage pipe to
The external world guarantees the cleaning of warehouse 1 and water body.
No negative-pressure vacuum suppressor 2 with blowdown overflow pipe 5 by being connected communicating pipe 201；And it is communicated on communicating pipe 201
One automatically cleaning sterilizer 6；After no negative-pressure vacuum suppressor 2 is opened, a certain amount of water body, through no 2 He of negative-pressure vacuum suppressor
Communicating pipe 201 flows to blowdown overflow pipe 5, and finally flows to sewage pipe 4.
One end of blowdown overflow pipe 5 is equipped with air cleaner 7, and air cleaner 7 can carry out the impurity in air
Filter, the other end of blowdown overflow pipe 5 are connected with sewage pipe 4；Blowdown overflow pipe 5 is connected by drainage tube 501 with safety valve 8
Logical, safety valve 8 is connected with the top of warehouse 1；When the hydraulic pressure in warehouse 1 reaches certain value, safety valve 8 will be opened, and water will
Sewage pipe 4 is flowed to after flowing to the siphon blowdown apparatus 9 on blowdown overflow pipe 5；The middle part of blowdown overflow pipe 5 is communicated with siphon row
Dirty device 9；
Siphon blowdown apparatus 9 includes a siphon blowdown bend pipe 901, and siphon blowdown bend pipe 901 is connected with blowdown overflow pipe 5
It is logical；Siphon blowdown apparatus 9 can reduce the noise of water flow, and have the antipollution function of deodorization, avoid the water body in warehouse 1 dirty
Dye.
The bottom of water inlet pipe 3 is communicated with three inclined tubes 301, and the angle between inclined tube 301 and water inlet pipe 3 is obtuse angle；Water inlet
The top of pipe 3 is equipped with a water inlet motor-driven valve 302, and the water inlet of water inlet pipe 3 is connected with municipal network pipeline, and pacifies on water inlet pipe 3
The pressure sensor 303 switched equipped with control automatically cleaning sterilizer 6；When pressure sensor 303 detects the water flow of municipal network pipeline
When pressure becomes smaller, and pressure data is passed to the control panel in control cabinet by pressure sensor 303, and control panel is according to pressure
Data control the unlatching of automatically cleaning sterilizer 6, carry out disinfection processing to air, and in warehouse 1 water body liquid level declines；When three
When inclined tube 301 injects water to warehouse 1, since inclined tube 301 is heeling condition, effectively the stagnant water in warehouse 1 can be stirred,
Warehouse 1 is flowed out finally by water outlet 102, effectively avoids accumulation of the stagnant water in warehouse 1.
The liquid level sensor 402 that control water inlet motor-driven valve 302 switchs, level sensing are installed on all sides of sewage pipe 4
Device 402 is used to detect the excess surface water liquid level data at sewage pipe 4, and when there is pipeline burst, pumping room drainage facility fails, blowdown
When excess surface water liquid level data at pipe 4 reaches the ponding level threshold of control panel setting, control panel then controls water inlet electricity
Dynamic valve 302 is closed, and is stopped being filled the water into warehouse 1, is prevented the waste of water resource；
Water inlet motor-driven valve 302, blowdown motor-driven valve 401, automatically cleaning sterilizer 6, pressure sensor 303 and liquid level sensor
402 are electrically connected with the control panel in the control panel in control cabinet respectively.
Wherein, the top of warehouse 1 is provided with an access hole 103, and a sealing cover is hinged on access hole 103；Warehouse 1 it is interior
Surface and outer surface are separately installed with maintenance ladder 104, and maintenance ladder 104 is corresponding with access hole 103, overhaul ladder 104
People can be facilitated to overhaul warehouse 1 with access hole 103.
Wherein, the sum of diameter of three inclined tubes 301 is not less than the diameter of water inlet pipe 3, guarantees that inclined tube 301 can be by warehouse 1
Interior stagnant water is stirred.
Wherein, it is communicated with a normally-closed ball valve 502 on the corresponding blowdown overflow pipe 5 of siphon blowdown bend pipe 901, when people overhaul
When siphon blowdown apparatus 9, the ponding retained on blowdown overflow pipe 5 can be discharged, people are improved by opening ball valve 502
The convenience of maintenance.
Wherein, water outlet 102 is connected by water pump with water supplying pipe.
Wherein, automatically cleaning sterilizer is ozonizer, and ozonizer will not pollute water body, guarantees air
Aseptic result.
Embodiment two
As shown in Fig. 2, a kind of control system of pin-connected panel without the secondary intelligent water supply bin of negative pressure non-pollution, control system include
The pressure sensing of control panel, intake motor-driven valve 302, blowdown motor-driven valve 401, automatically cleaning sterilizer 6, model PT124G-210
Device 303 and liquid level sensor 402；Liquid level sensor 402 uses model AM-DJ motor fluid level controller；
Control panel respectively with blowdown motor-driven valve 401, water inlet motor-driven valve 302, automatically cleaning sterilizer 6, pressure sensor 303
It is electrically connected with liquid level sensor 402；
Wherein, pressure sensor 303 is used to detect the hydraulic pressure in municipal network pipeline, and pressure data is passed in control cabinet
Control panel, control panel controls the switch of automatically cleaning sterilizer 6 according to pressure data；
Liquid level sensor 402 is used to detect the excess surface water liquid level data at sewage pipe 4, and ponding liquid level data is transmitted
To control panel, control panel controls the switch of water inlet motor-driven valve 302 according to ponding liquid level data；
The regular control of sewage disposal motor-driven valve 401 of control panel carries out sewage treatment.
Wherein, alarm modules are electrically connected on control panel, work as pipeline burst, the failure of pumping room drainage facility, liquid level passes
The excess surface water liquid level data at sewage pipe 4 that sensor 402 will test, passes to control panel, and control panel is being closed
While water inlet motor-driven valve 302, starting alarm modules are sounded an alarm.
Embodiment three
Firstly, water inlet motor-driven valve 302 is opened, ball valve 502 and blowdown motor-driven valve 401 are normally closed；No negative-pressure vacuum inhibits
Sphere in device 2 not by buoyancy, open by no negative-pressure vacuum suppressor 2, and air can be in no negative-pressure vacuum suppressor 2, company
Circulation in siphunculus 201, blowdown overflow pipe 5 and air cleaner 7；
The water inlet of water inlet pipe 3 is connected with municipal network pipeline, and the water of municipal network pipeline will be flowed in warehouse 1 by water inlet pipe 3,
Three inclined tubes 301 will stir stagnant water, and stagnant water is made to stir overturning in warehouse 1 together with the water newly injected, and the water level of warehouse 1 is continuous
Rise, air is constantly outside through no negative-pressure vacuum suppressor 2, communicating pipe 201, blowdown overflow pipe 5 and 7 row of air cleaner
Boundary；When the water level of warehouse 1 rises to certain altitude, and the sphere in no negative-pressure vacuum suppressor 2 is floated, no negative-pressure vacuum
Suppressor 2 is then closed, when the hydraulic pressure in the hydraulic pressure and municipal network pipeline in warehouse 1 is consistent, water in water inlet pipe 3 then not to
Flowing in warehouse 1；
When the hydraulic pressure in municipal network pipeline becomes smaller, the pressure for the water in municipal network pipeline that pressure sensor 303 will test
Data pass to the control panel in control cabinet, and control panel will open automatically cleaning sterilizer 6, and the water level in warehouse 1 with
The use of user will constantly decline, and no negative-pressure vacuum suppressor 2 will be opened, air cleaner 7, blowdown overflow pipe 5, communicating pipe
It 201 and is entered in warehouse 1 after filtering sterilizes without the air in negative-pressure vacuum suppressor 2, the impurity in air is avoided to pollute
Water body in warehouse 1.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (6)
1. a kind of pin-connected panel is without the secondary intelligent water supply bin of negative pressure non-pollution, including warehouse (1), it is characterised in that:
The warehouse (1) is welded into a cavity structure by several annular slabs, a silo roof lid and an orlop lid assembly；The warehouse
(1) bottom is a trapezoidal catch basin (101)；The top surface of the warehouse (1) is communicated with one without negative-pressure vacuum suppressor (2)；Institute
The top for stating warehouse (1), which is run through, a water inlet pipe (3)；
The bottom of the trapezoidal catch basin (101) is provided with a water outlet (102), the bottom surface connection of the trapezoidal catch basin (101)
Have a sewage pipe (4), a blowdown motor-driven valve (401) is installed on the sewage pipe (4)；
The no negative-pressure vacuum suppressor (2) is connected by communicating pipe (201) with blowdown overflow pipe (5)；And the communicating pipe
(201) an automatically cleaning sterilizer (6) is communicated on；
One end of the blowdown overflow pipe (5) is equipped with air cleaner (7), the other end of the blowdown overflow pipe (5) and row
Dirt pipe (4) is connected；The blowdown overflow pipe (5) is connected by drainage tube (501) with safety valve (8), and the safety valve
(8) it is connected at the top of warehouse (1)；A siphon blowdown apparatus (9) is communicated in the middle part of the blowdown overflow pipe (5)；
The siphon blowdown apparatus (9) includes a siphon blowdown bend pipe (901), and the siphon blowdown bend pipe (901) and blowdown are overflow
Flow tube (5) is connected；
The bottom of the water inlet pipe (3) is communicated with several inclined tubes (301), the folder between the inclined tube (301) and water inlet pipe (3)
Angle is obtuse angle；One water inlet motor-driven valve (302), the water inlet of the water inlet pipe (3) and city are installed at the top of the water inlet pipe (3)
Political affairs network management is connected, and the pressure sensor (303) of control automatically cleaning sterilizer (6) switch is equipped on the water inlet pipe (3)；
The liquid level sensor (402) of control water inlet motor-driven valve (302) switch is installed on all sides of the sewage pipe (4)；
The water inlet motor-driven valve (302), blowdown motor-driven valve (401), automatically cleaning sterilizer (6), pressure sensor (303) and liquid level
Sensor (402) is electrically connected with the control panel in the control panel in control cabinet respectively.
2. a kind of pin-connected panel according to claim 1 is without the secondary intelligent water supply bin of negative pressure non-pollution, which is characterized in that described
It is provided at the top of warehouse (1) access hole (103), and is hinged with a sealing cover on the access hole (103)；The warehouse (1)
The inner surface and the outer surface be separately installed with maintenance ladder (104), and the maintenance ladder (104) and access hole (103) are relatively
It answers.
3. a kind of pin-connected panel according to claim 1 is without the secondary intelligent water supply bin of negative pressure non-pollution, which is characterized in that several
The sum of diameter of the inclined tube (301) is not less than the diameter of water inlet pipe (3).
4. a kind of pin-connected panel according to claim 1 is without the secondary intelligent water supply bin of negative pressure non-pollution, which is characterized in that described
A ball valve (502) are communicated on the corresponding blowdown overflow pipe (5) of siphon blowdown bend pipe (901).
5. a kind of pin-connected panel according to claim 1 is without the secondary intelligent water supply bin of negative pressure non-pollution, which is characterized in that described
Water outlet (102) is connected by water pump with water supplying pipe.
6. a kind of pin-connected panel according to claim 1 is without the secondary intelligent water supply bin of negative pressure non-pollution, which is characterized in that described
Automatically cleaning sterilizer is ozonizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821726757.9U CN209293104U (en) | 2018-10-24 | 2018-10-24 | A kind of pin-connected panel is without the secondary intelligent water supply bin of negative pressure non-pollution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821726757.9U CN209293104U (en) | 2018-10-24 | 2018-10-24 | A kind of pin-connected panel is without the secondary intelligent water supply bin of negative pressure non-pollution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209293104U true CN209293104U (en) | 2019-08-23 |
Family
ID=67646618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821726757.9U Expired - Fee Related CN209293104U (en) | 2018-10-24 | 2018-10-24 | A kind of pin-connected panel is without the secondary intelligent water supply bin of negative pressure non-pollution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209293104U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111517540A (en) * | 2020-04-28 | 2020-08-11 | 江南造船(集团)有限责任公司 | Exhaust fine filtration device |
-
2018
- 2018-10-24 CN CN201821726757.9U patent/CN209293104U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111517540A (en) * | 2020-04-28 | 2020-08-11 | 江南造船(集团)有限责任公司 | Exhaust fine filtration device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190823 Termination date: 20201024 |
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| CF01 | Termination of patent right due to non-payment of annual fee |