CN205925097U - Automatic fiber ball filtration ware based on solar energy power supply - Google Patents
Automatic fiber ball filtration ware based on solar energy power supply Download PDFInfo
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- CN205925097U CN205925097U CN201620893383.4U CN201620893383U CN205925097U CN 205925097 U CN205925097 U CN 205925097U CN 201620893383 U CN201620893383 U CN 201620893383U CN 205925097 U CN205925097 U CN 205925097U
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- filter
- backwash
- water
- plc control
- water inlet
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Abstract
The utility model relates to an automatic fiber ball filtration ware based on solar energy power supply, include: filter tube body, filter equipment, backflush device to and the PLC switch board that links to each other with filter equipment and backflush device, wherein filter body is including the upper cover of locating the top, the low head of locating the bottom to and the barrel at middle part, filter equipment is including locating the internal filtering component of filter tube, filtering component includes fiber -ball filter media layer, crossbeam, the setting drainage sieve on the crossbeam to and and the integrative welded anticollision baffle of low head, be provided with the cobble filter material in the space that anticollision baffle and low head formed, backflush device is including the backwash working shaft, backwashing water inlet, backwash part and the backwash delivery port that connect gradually, the PLC switch board links to each other with intelligent operating equipment through a wireless module.
Description
Technical field
The utility model is related to field of sewage treatment equipment, more particularly, to a kind of based on solar powered automation fiber
Ball filter.
Background technology
Novel automatic fiber ball filter is a kind of pressure type filter plant that sewage can be carried out with fine filtering process,
It is widely used in the water process environment of the industries such as electric power, chemical industry, oil, coal, weaving, machinery, use in the market
Novel automatic fiber ball filter, in run duration, due to being limited by filtering accuracy, is easily caused the outstanding of effluent quality
Float is higher, if use time long cannot effective backwash, oil stain and suspension can be attached in fibrous nodules in a large number, shadow
Ring the efficiency filtering and the usage cycles of filtrate.The therefore filter effect of novel automatic fiber ball filter and usage cycles pair
This equipment is most important.
Another aspect, with the horizontal more and more higher of the production automation, for fiber ball filter, can be by manually coming
Control filter process and the backwash process of fiber ball filter, artificial operator scheme is relatively time consuming laborious, less efficient, therefore,
The automation improving fiber ball filter more can meet the demand in market.
With the reinforcement of popular environmental consciousness, the use of solar energy is becoming increasingly popular, as a kind of clean energy resource, the sun
Great contribution can be made that in terms of environmental sanitation, meanwhile, people also increase the dynamics that sewage is processed, but
It is traditional sewage-treatment plant, often consume mass energy to improve treatment effeciency, this original intention with energy-conserving and environment-protective
Misfit, for this, we improve the confession so as to using solar electrical energy generation to the energy supply of traditional fiber ball filter
Energy mode, thus further realize this target of energy-conserving and environment-protective.
Utility model content
The purpose of this utility model be provide a kind of based on solar powered automation fiber ball filter, to realize base
In solar powered automation, applicability is wide, filter efficiency is high and the technique effect of usage cycles length.
In order to solve above-mentioned technical problem, the utility model provide a kind of based on solar powered automation fibrous nodules
Filter, including：Filter body, filter, back washing device, the PLC control cabinet being connected with filter and back washing device,
And the solar powered source for powering to filter body and PLC control cabinet；Wherein said filter body include located at
The upper cover on top, the low head located at bottom, and the cylinder at middle part, described upper cover, cylinder and low head constitute one
The tank body of individual closing；Described filter includes the filter element in filter cartridge body；Described filter element includes fiber
Ball filtering material layer, crossbeam, the drainage sieve plate being arranged on crossbeam, and the anticollision dividing plate integrally molded with low head；Described anti-
It is provided with cobble filtrate in the space that collision dividing plate is formed with low head；The backwash that described back washing device includes being sequentially connected supplies
Water pump, backwash water inlet, backwash part and backwash delivery port；Described backwash part includes an agitating device；This agitating device bag
Include the frame being arranged on cylinder, and rack-mounted reducing motor；Described reducing motor passes through a motor shaft and stirring
Assembly connects；And this reducing motor is connected with PLC control cabinet also by wire；Described PLC control cabinet is passed through built-in wireless
Module is connected with intelligent operation equipment.
Further, described mixing component includes the shaft being connected with motor shaft, and is sleeved on described shaft
Agitator frame；It is provided with some stirrer paddles in described agitator frame.
Further, described cylinder inboard wall is provided with one for sensing the proximity switch of fiber-ball filter media layer floating height；Described
Proximity switch is by wireless IO communication module and PLC control cabinet wireless telecommunications.
Further, described novel automatic fiber ball filter also includes an inlet channel, the delivery port of this inlet channel
Filtered water inlet mouth and backwash delivery port are connected respectively by a water distribution screen casing；And described filtered water inlet mouth is provided with filtered water inlet electricity
Magnet valve；Described backwash delivery port is provided with backwash water solenoid valve；Described PLC control cabinet controls filtered water inlet magnetic valve and backwash to go out
The opening and closing of water solenoid valve.
Further, described novel automatic fiber ball filter also includes an outlet conduit, the delivery port of this outlet conduit
Connect respectively and filter delivery port and backwash water inlet；And described filtration delivery port be provided with filtration water solenoid valve；Described backwash
Water inlet is provided with backwash entering water electromagnetic valve；Described PLC control cabinet controls and filters beating of water solenoid valve and backwash entering water electromagnetic valve
Push And Release closes.
Further, described inlet channel is provided with into water wireless digital pressure gauge；Described outlet conduit is provided with water outlet no line number
Word pressure gauge；And described water inlet wireless digital pressure gauge and water outlet wireless digital pressure gauge on be all combined with radio node adaptation
Device；Described water inlet wireless digital pressure gauge and water outlet wireless digital pressure gauge all pass through radio node adapter realization with described
The wireless module wireless telecommunications of PLC control cabinet connect.
Further, fiber-ball filter media layer includes a plurality of polyster fibre balls；Described polyster fibre ball is by complex root filament
Composition, its spheroid central authorities is provided with the described filametntary fixed structure of ligation.
Further, described solar powered source includes a support and the solar energy photovoltaic panel on support；The described sun
Can photovoltaic panel be connected with the battery being arranged at support side by solar recharging management module；First output of this battery
End is connected with filter body after adjusting through the first functional transformer；Its second output end adjust through the second functional transformer after with
PLC control cabinet is connected.
Further, the side of described cylinder is additionally provided with one access hole and once access hole.
Further, the side of described cylinder is provided with one charging door and once discharge port.
The beneficial effects of the utility model are that novel automatic fiber ball filter of the present utility model adopts polyster fibre
Ball has huge specific surface area and surface free energy as filter material layer, polyster fibre ball, increased impurities in water particle and filter
The touch opportunity of material and the adsorption capacity of filtrate, substantially increase filter efficiency and retaining power.Mixing component is using stirring frame
Frame and blade run simultaneously, have stable, and effectively clean impurity in fiber-ball filter media, improve filtration treatment efficiency.
Automatically control filter process and backwash process further through PLC control cabinet, improve production efficiency.Further through solar panel pair
Solar energy is converted, and realizes the solar energy working method of automation fiber ball filter, more environmentally-friendly.
Brief description
With reference to the accompanying drawings and examples the utility model is further illustrated.
Fig. 1 is this side structure schematic diagram based on solar powered automation fiber ball filter；
Fig. 2 is this positive structure schematic based on solar powered automation fiber ball filter；
Fig. 3 be this based on solar powered automation fiber ball filter solar powered source structural representation
Figure；
Fig. 4 is that this is illustrated based on the PLC control cabinet Control system architecture of solar powered automation fiber ball filter
Figure；
Fig. 5 is the structural representation of this stainless steel water distribution screen casing based on solar powered automation fiber ball filter
Figure.
In figure：Upper cover 1, upper cover 2, cylinder 3, filtered water inlet mouth 4, filtration delivery port 5, fiber-ball filter media layer 6, crossbeam
7th, drainage sieve plate 8, backwash water inlet 9, backwash delivery port 10, frame 11, motor shaft 12, shaft 13, agitator frame 14, stirring
Blade 15, inlet channel 16, water distribution screen casing 17, outlet conduit 18, upper access hole 19, lower access hole 20, upper charging door 21, under unload
Material mouth 22, reducing motor 23, hanger 24, supporting leg 25, drain 26, water inlet wireless digital pressure gauge 27, water outlet wireless digital
Pressure gauge 28, support 29, solar energy photovoltaic panel 30, battery 31, blast pipe 32, DN25 discharge outlet 33, proximity switch 34, anti-collision
Hit dividing plate 35, cobble filtrate 36.
Specific embodiment
Presently in connection with accompanying drawing, the utility model is described in further detail.These accompanying drawings are the schematic diagram of simplification,
Basic structure of the present utility model is only described in a schematic way, therefore it only shows the composition relevant with the utility model.
Embodiment 1
As shown in Figure 1 and Figure 4, the present embodiment 1 provide a kind of based on solar powered automation fiber ball filter,
Including：Filter body, filter, back washing device, the PLC control cabinet being connected with filter and back washing device, Yi Jiyong
In the solar powered source powering to filter body and PLC control cabinet；Wherein said filter body is included located at top
Upper cover 1, the low head 2 located at bottom, and the cylinder 3 at middle part, described upper cover 1, cylinder 3 and low head 2 constitute one
The tank body of individual closing；Described filter includes the filter element in filter cylinder 3；Described filter element includes fiber
Ball filtering material layer 6, crossbeam 7, the drainage sieve plate 8 being arranged on crossbeam 7, and the anticollision dividing plate integrally molded with low head；Institute
State in the space that anticollision dividing plate 35 is formed with low head 2 and be provided with cobble filtrate 36；Described back washing device includes connecting successively
Backwash supply-water pump, backwash water inlet 9, backwash part and the backwash delivery port 10 connecing；Described backwash part includes an agitating device；
This agitating device includes the frame 11 being arranged on cylinder 3, and is arranged on the reducing motor 23 in frame 11；Described reducing motor
23 are connected with mixing component by a motor shaft 12；And this reducing motor 23 is connected with PLC control cabinet also by wire；Described
PLC control cabinet is connected with intelligent operation equipment by built-in wireless module.
Specifically, described drainage sieve plate 8 adopts inside and outside leaching plastic composite steel pipe arrangement to install.It is additionally provided with described upper cover 1
A pair of hanger 24.Described low head 2 bottom is provided with a pair of supporting leg 25.Operation element personnel are remotely controlled by intelligent operation equipment
PLC switch board processed.The little end socket of ellipse that described anticollision dividing plate 35 is made for metallic plate；And described anticollision dividing plate 35
Surface be evenly distributed with some filter openings.Desirably prevent in backwash process by the anticollision dividing plate 35 of setting, cobble filtrate
36 have been rushed by water in the presence of the current that some strength constantly rises and have clashed into drainage sieve plate 8, in turn result in drainage sieve plate and become
Shape, damage, meanwhile, crush because shock collision also results in cobble filtrate 36, cause aqueduct to block.
Optionally, described PLC control cabinet, using such as but not limited to Mitsubishi PLC switch board, can meet this automation fiber
The use demand of ball filter.Optionally, described intelligent operation equipment adopts embedded computer system equipment.
Optionally, described wireless module is using such as but not limited to ZigBee module.
Described mixing component includes the shaft 13 being connected with motor shaft 12, and is sleeved on stirring on described shaft 13
Mix framework 14；It is provided with some stirrer paddles 15 in described agitator frame 14.
Preferably, described shaft 13 and the junction of upper cover 1 adopt soft packing seal, to improve the close of this junction
Feng Xing.It is provided with a DN25 discharge outlet 33 at described sealing, be suitable to, on the premise of sealing is in possible leak, open this DN25 row
Water in seal receptacle is drained by the mouth of a river 33 valve.
Described stirrer paddle 15 surface is coated with anticorrosive coat, can extend the service life of stirrer paddle 15 it is ensured that producing
Continuity.
Described cylinder 3 inwall is provided with one for sensing the proximity switch 34 of fiber-ball filter media layer 6 floating height；
Described proximity switch 34 is by wireless IO communication module and PLC control cabinet wireless telecommunications.Optionally, described wireless IO
Communication module leads to the wireless I/O module of DW-J31-0808 using such as but not limited to greatly intelligence, and described greatly intelligence leads to DW-J31-0808
Wireless I/O module can be with DW-MC1 wireless RTU（Watch-dog）Use cooperatively, in computer or PLC control cabinet to long distance wireless IO mould
Block is controlled.
Described novel automatic fiber ball filter also includes an inlet channel 16, and the delivery port of this inlet channel 16 passes through
One water distribution screen casing 17 connects filtered water inlet mouth 4 and backwash delivery port 10 respectively；And described filtered water inlet mouth 4 is provided with filtered water inlet
Magnetic valve；Described backwash delivery port 10 is provided with backwash water solenoid valve；Described PLC control cabinet controls filtered water inlet magnetic valve and anti-
Wash out opening and closing of water solenoid valve.Described inlet channel 16 is fixed on cylinder 3 outer wall by water inlet pipe folder.
Described water distribution screen casing 17 is fixed on the delivery port of inlet channel 16 by a flange.Optionally, described water distribution screen casing
17 adopt stainless steel water distribution screen casing, and the gap of this stainless steel water distribution screen casing is 1-2mm；And the diameter of described stainless steel water distribution screen casing
Nozzle diameter more than inlet channel 16.Described stainless steel water distribution screen casing is entwined by stainless steel wire, and during filtration, raw water is from cloth
The gap of water sieve pipe 17（1-2mm）Flow into cylinder 3, and in backwash, sewage flows out from water distribution screen casing 17, such knot again
Structure, polyster fibre ball is just difficult to run off from the gap of water distribution screen casing 17.
Described novel automatic fiber ball filter also includes an outlet conduit 18, and the delivery port of this outlet conduit 18 is respectively
Connect and filter delivery port 5 and backwash water inlet 9；And described filtration delivery port 5 be provided with filtration water solenoid valve；Described backwash is entered
The mouth of a river 9 is provided with backwash entering water electromagnetic valve；Described PLC control cabinet controls and filters opening of water solenoid valve and backwash entering water electromagnetic valve
With closing.
Preferably, described outlet conduit is additionally provided with a drain 26.
Described inlet channel 16 is provided with into water wireless digital pressure gauge 27；Described outlet conduit 18 is provided with water outlet wireless digital
Pressure gauge 28；And described water inlet wireless digital pressure gauge 27 and water outlet wireless digital pressure gauge 28 on be all combined with radio node
Adapter；Described water inlet wireless digital pressure gauge and water outlet wireless digital pressure gauge are all realized by radio node adapter and institute
The wireless module wireless telecommunications stating PLC control cabinet connect.
Optionally, described water inlet wireless digital pressure gauge 27 and water outlet wireless digital pressure gauge 28 are using being such as, but not limited to
ACD-1Z wireless digital pressure gauge.
Fiber-ball filter media layer 6 includes a plurality of polyster fibre balls；Described polyster fibre ball is made up of complex root filament, its
Spheroid central authorities are provided with the described filametntary fixed structure of ligation.Described filament can make monofilament work mariages, or by plurality of fibers
Silk is wound around the multifilament structure of composition.Filter efficiency 92%-96% of described fiber-ball filter media.
Described solar powered source includes a support 29 and the solar energy photovoltaic panel on support 29 30；Described solar energy
Photovoltaic panel 30 is connected with the battery 31 being arranged at support 29 side by solar recharging management module；The of this battery 31
One output end is connected with filter body after adjusting through the first functional transformer；Its second output end is adjusted through the second functional transformer
It is connected with PLC control cabinet after section.Specifically, described solar recharging management module includes solar inverter.The i.e. described sun
Can photovoltaic panel 30 electrically connect with solar inverter, described solar inverter is electrically connected with described battery 31.By the sun
Inverter the direct current of solar energy photovoltaic panel 30 generation can be converted, and be translated into exchange and be stored electronically in electric power storage
Inside pond 31.By being electrically connected with energy supply transformer, energy supply transformer can export described battery 31 to battery 31
Electric energy be adjusted carrying out energy supply so as to adapt to automate fiber ball filter or other equipment.
Preferably, the top layer of described solar energy photovoltaic panel 30 is provided with and some is suitable to prevent overheated the dissipating of solar energy photovoltaic panel 30
Hot hole.
The side of described cylinder 3 is additionally provided with one access hole 19 and once access hole 20.Upper and lower access hole 20 can be very
Easily fiber-ball filter media layer 6 is checked, keeped in repair or changed.
The side of described cylinder 3 is provided with one charging door 21 and once discharge port 22.
Preferably, described filter body is additionally provided with a blast pipe 32.
The specific embodiment of this novel automatic fiber ball filter is as follows：PLC control cabinet Based Intelligent Control filter
Switch operating with back washing device.Detailed process is as follows, during filtration, first closes backwash entering water electromagnetic valve and backwash water outlet electromagnetism
Valve；Again opened leach water solenoid valve after open filtered water inlet magnetic valve；Sewage to be processed is needed to enter by inlet channel 16
Water distribution screen casing 17, after the water distribution uniformity of water distribution screen casing 17, suspension in sewage, colloid and oil are by fiber-ball filter media layer 6
Filter, and be trapped in the surface of polyster fibre ball, the filter water after process passes through drainage sieve plate 8, finally by outlet conduit 18 warp
Leach the mouth of a river and enter collected outside pond.When fiber-ball filter media layer 6 by long-term use after, by suspension in water, colloid and oil blocking,
The flow of water process can be affected, that is, need to adopt water-washing method through backwash to recover filter effect, backwash.Detailed process is such as
Under, the water inlet wireless digital pressure gauge 27 of described inlet channel 16 and the water outlet wireless digital pressure gauge 28 of outlet conduit 18 gather
Data-signal be transmitted by radio node adapter；Described PLC control cabinet receives radio node by wireless module and fits
The data that orchestration sends, when the pressure differential of inlet channel 16 and outlet conduit 18 is away from increasing to certain numerical value（Through test, work as pressure
Difference reaches such as 0.05MPa）When, carry out backwash, first close and filter water solenoid valve and filtered water inlet magnetic valve；Open backwash again
Open backwash entering water electromagnetic valve after drain solenoid valve, start backwash supply-water pump, backwash supply-water pump is by the water in collected outside pond simultaneously
Enter cylinder 3 through backwash water inlet 9 pump；First drainage sieve plate 8 is rinsed, fiber-ball filter media layer 6 is continuous in some strength
Gradually it is expanded to certain altitude in the current rising, floated highly for sensing fiber-ball filter media layer 6 by what cylinder 3 inwall was provided with
Proximity switch 34 gather the height that expands in current of fiber-ball filter media layer 6, proximity switch 34 will collection altitude information anti-
It is fed to PLC control cabinet, agitating device is started by PLC control cabinet control and is actuated for stirring, so, filtrate is in the presence of current
Produce shearing force, filtrate constantly mutually collides in whipping process, so that the suspension of absorption on filtrate is split away off, and with recoil
Wash water from backwash delivery port 10, is discharged outside cylinder 3 after water distribution screen casing 17.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, related work people
Member can carry out various change and modification completely in the range of without departing from this utility model technological thought.This reality
The content being not limited on specification with new technical scope it is necessary to determine its technology according to right
Property scope.
Claims (10)
1. a kind of based on solar powered automation fiber ball filter it is characterised in that include：Filter body, filtration
Device, back washing device, the PLC control cabinet being connected with filter and back washing device, and for filter body and PLC control
The solar powered source that cabinet processed is powered；Wherein
Described filter body includes the upper cover located at top, the low head located at bottom, and the cylinder at middle part, described on
End socket, cylinder and low head constitute the tank body of a closing；
Described filter includes the filter element in filter cartridge body；Described filter element include fiber-ball filter media layer,
Crossbeam, the drainage sieve plate being arranged on crossbeam, and the anticollision dividing plate integrally molded with low head；Described anticollision dividing plate with
It is provided with cobble filtrate in the space that low head is formed；
Described back washing device includes backwash supply-water pump, backwash water inlet, backwash part and the backwash delivery port being sequentially connected；
Described backwash part includes an agitating device；This agitating device includes the frame being arranged on cylinder, and is arranged on frame
On reducing motor；Described reducing motor is connected with mixing component by a motor shaft；And this reducing motor is also by wire
It is connected with PLC control cabinet；
Described PLC control cabinet is connected with intelligent operation equipment by built-in wireless module.
2. automation fiber ball filter according to claim 1 is it is characterised in that described mixing component includes and motor
The shaft that axle connects, and it is sleeved on the agitator frame on described shaft；It is provided with some in described agitator frame to stir
Mix blade.
3. automation fiber ball filter according to claim 2 is it is characterised in that described cylinder inboard wall is provided with one is used for
The proximity switch of sensing fiber-ball filter media layer floating height；Described proximity switch is by wireless IO communication module and PLC control cabinet
Wireless telecommunications.
4. automation fiber ball filter according to claim 3 is it is characterised in that described novel automatic fibrous nodules mistake
Filter also includes an inlet channel, and the delivery port of this inlet channel connects filtered water inlet mouth and backwash respectively by a water distribution screen casing
Delivery port；And
Described filtered water inlet mouth is provided with filtered water inlet magnetic valve；Described backwash delivery port is provided with backwash water solenoid valve；
Described PLC control cabinet controls opening and closing of filtered water inlet magnetic valve and backwash water solenoid valve.
5. automation fiber ball filter according to claim 4 is it is characterised in that described novel automatic fibrous nodules mistake
Filter also includes an outlet conduit, and the delivery port of this outlet conduit connects filtration delivery port and backwash water inlet respectively；And
Described filtration delivery port is provided with filtration water solenoid valve；Described backwash water inlet is provided with backwash entering water electromagnetic valve；
Described PLC control cabinet controls and filters opening and closing of water solenoid valve and backwash entering water electromagnetic valve.
6. automation fiber ball filter according to claim 5 is it is characterised in that described inlet channel is provided with into water no
Line digital pressure gauge；Described outlet conduit is provided with water outlet wireless digital pressure gauge；
And described water inlet wireless digital pressure gauge and water outlet wireless digital pressure gauge on be all combined with radio node adapter；
Described water inlet wireless digital pressure gauge and water outlet wireless digital pressure gauge all pass through radio node adapter realization with described
The wireless module of PLC control cabinet wirelessly connects.
7. according to claim 6 automation fiber ball filter it is characterised in that fiber-ball filter media layer include a plurality of
Polyster fibre ball；Described polyster fibre ball is made up of complex root filament, and it is described filametntary solid that its spheroid central authorities is provided with ligation
Fixed structure.
8. automation fiber ball filter according to claim 4 is it is characterised in that described solar powered source includes one
Support and the solar energy photovoltaic panel on support；Described solar energy photovoltaic panel passes through solar recharging management module and is arranged at
The battery of support side is connected；First output end of this battery adjust through the first functional transformer after with filter body phase
Even；Its second output end is connected with PLC control cabinet after adjusting through the second functional transformer.
9. automation fiber ball filter according to claim 8 is it is characterised in that the side of described cylinder is additionally provided with one
Upper access hole and once access hole.
10. automation fiber ball filter according to claim 9 is it is characterised in that the side of described cylinder is provided with one
Upper charging door and once discharge port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620893383.4U CN205925097U (en) | 2016-08-18 | 2016-08-18 | Automatic fiber ball filtration ware based on solar energy power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620893383.4U CN205925097U (en) | 2016-08-18 | 2016-08-18 | Automatic fiber ball filtration ware based on solar energy power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205925097U true CN205925097U (en) | 2017-02-08 |
Family
ID=57918969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620893383.4U Expired - Fee Related CN205925097U (en) | 2016-08-18 | 2016-08-18 | Automatic fiber ball filtration ware based on solar energy power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205925097U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111467847A (en) * | 2020-04-12 | 2020-07-31 | 江苏立业环境科技有限公司 | Take high-efficient fibre ball filter of wasing of T type wire winding pipe |
-
2016
- 2016-08-18 CN CN201620893383.4U patent/CN205925097U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111467847A (en) * | 2020-04-12 | 2020-07-31 | 江苏立业环境科技有限公司 | Take high-efficient fibre ball filter of wasing of T type wire winding pipe |
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Granted publication date: 20170208 Termination date: 20210818 |
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| CF01 | Termination of patent right due to non-payment of annual fee |