CN209651985U - A kind of Si-P crystal tank of scale inhibition antirust - Google Patents

A kind of Si-P crystal tank of scale inhibition antirust Download PDF

Info

Publication number
CN209651985U
CN209651985U CN201920169150.3U CN201920169150U CN209651985U CN 209651985 U CN209651985 U CN 209651985U CN 201920169150 U CN201920169150 U CN 201920169150U CN 209651985 U CN209651985 U CN 209651985U
Authority
CN
China
Prior art keywords
tank body
rod
fixedly installed
type cleaning
outlet pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201920169150.3U
Other languages
Chinese (zh)
Inventor
董丽丽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Teqing Environmental Protection Technology Co Ltd
Original Assignee
Shandong Teqing Environmental Protection Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong Teqing Environmental Protection Technology Co Ltd filed Critical Shandong Teqing Environmental Protection Technology Co Ltd
Priority to CN201920169150.3U priority Critical patent/CN209651985U/en
Application granted granted Critical
Publication of CN209651985U publication Critical patent/CN209651985U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Filtration Of Liquid (AREA)

Abstract

The utility model discloses a kind of Si-P crystal tanks of scale inhibition antirust, including tank body, outlet pipe is equipped in the tank body, one end of outlet pipe extends to outside tank body, the top of outlet pipe is movably installed with positioned at tank body filtering net, movable span is offered on the top side inner wall of tank body, L-type cleaning rod is movably installed in movable span, the both ends of L-type cleaning rod all extend to outside movable span, the bottom side of L-type cleaning rod is in contact with the top side of filter screen, the top of L-type cleaning rod is fixedly installed with the gear above tank body, and the top side of tank body is fixedly installed with fixing axle.The utility model structure is simple, filter screen is effectively cleaned by the swing of L-type cleaning rod, outlet pipe is tapped by vibration ball simultaneously, it is stuck on filter screen so as to avoid the block that scale is formed, to ensure that outlet pipe is capable of the water outlet of smoothness, and then ensure that the normal life water of resident, meet the demand of people.

Description

A kind of Si-P crystal tank of scale inhibition antirust
Technical field
The utility model relates to Si-P crystal tank technical field more particularly to a kind of Si-P crystal tanks of scale inhibition antirust.
Background technique
Si-P crystal is a kind of chemical agent, and Si-P crystal is added into Si-P crystal tank, the chemical analysis P2O5 in medicament, is passed through Grug feeding jar conversion, output has the tap water of anti-corrosion, scale-inhibiting outward.Tap water after processing can directly be industrial production and people Water is used needed for people's livelihood offer living.
Publication No. CN203144186U discloses a kind of Si-P crystal purifier, it is desirable to provide a kind of easy to use, energy Effectively purification hard water, the Si-P crystal purifier for preventing scale from generating.It includes tank body, water inlet pipe, outlet pipe, setting in tank body The sewage pipe of bottom, the top of the tank are provided with dosing mouth, and the utility model is suitable for the purification of production and living water, passes through Calcium and magnesium ion in Si-P crystal and water forms chelate, effectively inhibits and disturb the normal growth of calcium carbonate crystal, controls The accumulation of formation and the crystallization of nucleus, and then reduce pipeline or equipment causes frequency caused by the corrosion or fouling of pipeline because of corrosion Numerous maintenance and the increased processing cost of equipment scale removal, extend the service life of equipment and pipeline, and outlet pipe protrudes into tank in this patent The end of body is provided with filter screen, but filter screen is easily causing scale to accumulate on it or scale knot when used for a long time At block be stuck on filter screen and then result in blockage cause urbanite water consumption to interrupt so that outlet pipe can not be discharged, there are improved Space.
Utility model content
(1) technical problems to be solved
In order to overcome the shortage of prior art, it is proposed that a kind of Si-P crystal tank of scale inhibition antirust passes through the swing of L-type cleaning rod Filter screen is effectively cleaned, while outlet pipe is tapped by vibration ball, was stuck in so as to avoid the block that scale is formed On strainer, it to ensure that the water outlet that outlet pipe can be smooth, and then ensure that the normal life water of resident, meet people Demand.
(2) technical solution
The utility model is achieved through the following technical solutions: the utility model proposes a kind of Si-P crystals of scale inhibition antirust Tank, including tank body, the tank body is interior to be equipped with outlet pipe, and one end of outlet pipe extends to outside tank body, the top activity peace of outlet pipe Equipped with tank body filtering net is located at, movable span is offered on the top side inner wall of tank body, L-type cleaning is movably installed in movable span The both ends of bar, L-type cleaning rod all extend to outside movable span, and the bottom side of L-type cleaning rod is in contact with the top side of filter screen, and L-type is clear The top of reason bar is fixedly installed with the gear above tank body, and the top side of tank body is fixedly installed with fixing axle, the top of fixing axle End is rotatably equipped with sector gear, and sector gear is meshed with gear, and sector gear is equipped with far from the side of gear and is fixedly mounted The output shaft of motor on tank body top side, motor is fixedly installed with rotation axis, the fixed peace in the side of rotation axis by shaft coupling Equipped with rotating bar, the top side of rotating bar is rotatably equipped with driven rod, and the bottom side of driven rod is rotatably equipped with shaft, the bottom end of shaft It is rotatably installed on the top side of sector gear, is offered between motor and sector gear on the top side inner wall of the tank body Mounting hole is fixedly installed with installation axle in mounting hole, and movable sleeve is connected to mounting blocks in installation axle, and the side of mounting blocks is fixedly mounted There is vibration rod, the both ends of vibration rod all extend to outside mounting hole, and the side of vibration rod is fixedly installed with the top above tank body Block, jacking block are adapted with rotating bar.
Further, telescopic chute is offered on the side inner wall of the mounting hole, is opened up on the two sides inner wall of telescopic chute There is sliding slot, the same sliding block is movably installed in two sliding slots, the side of sliding block is fixedly installed with telescopic rod, the side of vibration rod Slippage slot is offered, slipping block is movably installed in slippage slot, one end of telescopic rod extends in mounting hole and is rotatably installed in On the side of slipping block, the other side of sliding block is fixedly installed with one end of spring, and the other end of spring is fixedly mounted on sliding slot On the inner wall of side.
Further, the rotating bar and driven rod side close to each other offer link slot, in two link slots It is movably installed with the same connecting shaft.
Further, the driven rod and sector gear side close to each other offer rotation slot, the both ends of shaft It extends respectively in two rotation slots.
Further, it is socketed rubber sleeve on the L-type cleaning rod and vibration rod, the top side of two rubber sleeves is fixed Be mounted on the top side inner wall of tank body, the bottom side of L-type cleaning rod is fixedly installed with multiple hairbrush, multiple hairbrush with filter screen Top side is in contact.
Further, the bottom end of the vibration rod is fixedly installed with vibration ball, and vibration ball is in contact with the side of outlet pipe.
Further, the bottom side of the sector gear offers swivelling chute, and the top of fixing axle extends in swivelling chute.
(3) beneficial effect
The utility model compared with the existing technology, has the advantages that
1, by tank body, outlet pipe, movable span, L-type cleaning rod, gear, fixing axle, sector gear, motor, rotation axis, Rotating bar, driven rod, connecting shaft, shaft, filter screen are used cooperatively, and when needing to clear up filter screen, start motor, so that turning Moving axis drives rotating bar rotation, and rotating bar rotation drives driven rod rotation by connecting shaft, and driven rod rotation is driven by shaft Sector gear rotation, the rotation of sector gear rotation driven gear, gear rotation drive L-type cleaning rod to clean by hairbrush and filter Net;
2, pass through tank body, outlet pipe, motor, rotation axis, rotating bar, mounting hole, vibration rod, mounting blocks, installation axle, stretch Slot, sliding slot, sliding block, telescopic rod, filter screen are used cooperatively, while when rotating bar is in contact with vibration rod, pushing vibration rod Rotation, vibration rod is rotated in installation installation axle by mounting blocks, while vibration rod rotation drives telescopic rod to move by slipping block Dynamic, simultaneous retractable bar drives slipping block to slide in slippage slot, and the mobile band movable slider of telescopic rod is mobile and spring stress is received Contracting, so that vibration ball is separated with outlet pipe, when rotating bar, which is persistently rotated, to be separated with vibration rod, in the effect of the drawing force of spring Lower drive vibration rod resets, so that vibration ball taps outlet pipe.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of scale inhibition antirust Si-P crystal tank structural schematic diagram;
Fig. 2 be the utility model proposes a kind of scale inhibition antirust Si-P crystal tank Fig. 1 in part A structural schematic diagram;
Fig. 3 be the utility model proposes a kind of scale inhibition antirust Si-P crystal tank 1 in part B structural schematic diagram;
Fig. 4 be the utility model proposes a kind of scale inhibition antirust Si-P crystal tank overlooking structure diagram.
In figure: 1 tank body, 2 outlet pipes, 3 movable spans, 4L type cleaning rod, 5 gears, 6 fixing axles, 7 sector gears, 8 motors, 9 Rotation axis, 10 rotating bars, 11 driven rods, 12 connecting shafts, 13 shafts, 14 mounting holes, 15 vibration rods, 16 mounting blocks, 17 installation axles, 18 telescopic chutes, 19 sliding slots, 20 sliding blocks, 21 telescopic rods, 22 filter screens.
Specific embodiment
In the technical program:
1 tank body, 2 outlet pipes, 3 movable spans, 4L type cleaning rod, 5 gears, 6 fixing axles, 7 sector gears, 8 motors, 9 rotations Axis, 10 rotating bars, 14 mounting holes, 15 vibration rods, 16 mounting blocks, 22 filter screens are that the utility model contains the innovative structure of essence Part.
11 driven rods, 12 connecting shafts, 13 shafts, 1 driven rod, 12 connecting shafts, 13 shafts, 17 installation axles, 18 telescopic chutes, 19 Sliding slot, 20 sliding blocks, 21 telescopic rods are to realize the essential connectivity component of technical solutions of the utility model.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.
Picture 1-4, a kind of Si-P crystal tank of scale inhibition antirust, including tank body 1, tank body 1 is interior to be equipped with outlet pipe 2, outlet pipe 2 One end extends to outside tank body 1, and the top of outlet pipe 2 is movably installed with positioned at 1 filtering net 22 of tank body, the top side inner wall of tank body 1 On offer movable span 3, L-type cleaning rod 4 is movably installed in movable span 3, the both ends of L-type cleaning rod 4 all extend to movable span 3 Outside, the bottom side of L-type cleaning rod 4 is in contact with the top side of filter screen 22, and the top of L-type cleaning rod 4 is fixedly installed with positioned at tank body 1 The gear 5 of top, the top side of tank body 1 are fixedly installed with fixing axle 6, and the top of fixing axle 6 is rotatably equipped with sector gear 7, fan Shape gear 7 is meshed with gear 5, and sector gear 7 is equipped with the motor being fixedly mounted on 1 top side of tank body far from the side of gear 5 8, the output shaft of motor 8 is fixedly installed with rotation axis 9 by shaft coupling, and the side of rotation axis 9 is fixedly installed with rotating bar 10, turns The top side of lever 10 is rotatably equipped with driven rod 11, and the bottom side of driven rod 11 is rotatably equipped with shaft 13, and the bottom end of shaft 13 turns It is dynamic to be mounted on the top side of sector gear 7, the peace between motor 8 and sector gear 7 is offered on the top side inner wall of tank body 1 Hole 14 is filled, is fixedly installed with installation axle 17 in mounting hole 14, movable sleeve is connected to mounting blocks 16 in installation axle 17, and the one of mounting blocks 16 Side is fixedly installed with vibration rod 15, and the both ends of vibration rod 15 all extend to outside mounting hole 14, and the side of vibration rod 15 is fixedly mounted There is the jacking block for being located at 1 top of tank body, jacking block is adapted with rotating bar 10, and the calcium and magnesium ion in Si-P crystal and water forms chelate, The normal growth for effectively inhibiting and disturbing calcium carbonate crystal controls the accumulation of formation and the crystallization of nucleus, and then reduces Pipeline or equipment start motor 8 when needing to clear up filter screen 22 because of the corrosion or fouling of pipeline caused by corrosion, so that rotation Axis 9 drives rotating bar 10 to rotate, and the rotation of rotating bar 10 drives driven rod 11 to rotate by connecting shaft 12, and the rotation of driven rod 11 passes through Shaft 13 drives sector gear 7 to rotate, and 7 rotation driven gear 5 of sector gear rotation, the rotation of gear 5 drives L-type cleaning rod 4 logical It crosses hairbrush and cleans filter screen 22.
Telescopic chute 18 is offered on the side inner wall of mounting hole 14, offers sliding slot on the two sides inner wall of telescopic chute 18 19, the same sliding block 20 is movably installed in two sliding slots 19, and the side of sliding block 20 is fixedly installed with telescopic rod 21, vibration rod 15 Side offer slippage slot, slipping block is movably installed in slippage slot, one end of telescopic rod 21 extends in mounting hole 14 simultaneously It is rotatably installed on the side of slipping block, the other side of sliding block 20 is fixedly installed with one end of spring, and the other end of spring is fixed It being mounted on the side inner wall of sliding slot 19, rotating bar 10 and the side close to each other of driven rod 11 offer link slot, and two The same connecting shaft 12 is movably installed in link slot, driven rod 11 and the side close to each other of sector gear 7, which offer, to be turned Dynamic slot, the both ends of shaft 13 extend respectively in two rotation slots, are socketed rubber sleeve on L-type cleaning rod 4 and vibration rod 15, The top side of two rubber sleeves is fixedly mounted on the top side inner wall of tank body 1, and the bottom side of L-type cleaning rod 4 is fixedly installed with multiple Hairbrush, multiple hairbrush are in contact with the top side of filter screen 22, and the bottom end of vibration rod 15 is fixedly installed with vibration ball, vibration ball with The side of outlet pipe 2 is in contact, and the bottom side of sector gear 7 offers swivelling chute, and the top of fixing axle 6 extends in swivelling chute, Simultaneously when rotating bar 10 is in contact with vibration rod 15, the rotation of vibration rod 15 is pushed, vibration rod 15 is being installed by mounting blocks 16 It is rotated in installation axle 17, while the rotation of vibration rod 15 drives telescopic rod 21 mobile by slipping block, simultaneous retractable bar 21, which drives, to be slided Block is moved to slide in slippage slot, the mobile band movable slider 20 of telescopic rod 21 is mobile simultaneously to shrink spring stress so that vibration ball with Outlet pipe 2 separates, and when persistently rotation separates rotating bar 10 with vibration rod 15, vibration is driven under the action of the drawing force of spring Bar 15 resets, so that vibration ball taps outlet pipe 2, makes the pendulum of L-type cleaning rod 4 back and forth when rotating bar 10 rotates one week It is dynamic that once filter screen 22 is cleaned, while can to shake ball percussion outlet pipe 2 once, avoid scale from being stuck in filter screen On 22.
A kind of Si-P crystal tank for scale inhibition antirust that the utility model is mentioned.Calcium and magnesium ion in Si-P crystal and water forms chela Object is closed, effectively inhibits and disturbs the normal growth of calcium carbonate crystal, control the accumulation of formation and the crystallization of nucleus, in turn Pipeline or equipment are reduced because the corrosion or fouling of pipeline caused by corrosion start motor 8 when needing to clear up filter screen 22, so that Rotation axis 9 drives rotating bar 10 to rotate, and the rotation of rotating bar 10 drives driven rod 11 to rotate by connecting shaft 12, and driven rod 11 rotates Sector gear 7 is driven to rotate by shaft 13,7 rotation driven gear 5 of sector gear rotation, the rotation of gear 5 drives L-type cleaning rod 4 clean filter screen 22 by hairbrush, while when rotating bar 10 is in contact with vibration rod 15, push the rotation of vibration rod 15, vibration Bar 15 is rotated in installation installation axle 17 by mounting blocks 16, while the rotation of vibration rod 15 drives telescopic rod 21 to move by slipping block Dynamic, simultaneous retractable bar 21 drives slipping block to slide in slippage slot, and the mobile band movable slider 20 of telescopic rod 21 is mobile and makes spring Forced contraction, so that vibration ball is separated with outlet pipe 2, when persistently rotation separates rotating bar 10 with vibration rod 15, in spring Vibration rod 15 is driven to reset under the action of drawing force, so that vibration ball taps outlet pipe 2, when rotating bar 10 rotates one week So that the swing of L-type cleaning rod 4 back and forth once cleans filter screen 22, while can to shake ball percussion outlet pipe 2 Once, scale is avoided to be stuck on filter screen 22.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this Novel conception and scope is defined.Without departing from the design concept of the present utility model, ordinary people in the field couple The all variations and modifications that the technical solution of the utility model is made, should fall within the protection scope of the present utility model, this reality With novel claimed technology contents, it is all described in the claims.

Claims (7)

1. a kind of Si-P crystal tank of scale inhibition antirust, including tank body (1), which is characterized in that be equipped with outlet pipe in the tank body (1) (2), one end of outlet pipe (2) extends to tank body (1) outside, and the top of outlet pipe (2) is movably installed with the filtering in tank body (1) Net (22) offers movable span (3) on the top side inner wall of tank body (1), is movably installed with L-type cleaning rod (4), L in movable span (3) The both ends of type cleaning rod (4) all extend to movable span (3) outside, and the bottom side of L-type cleaning rod (4) connects with the top side of filter screen (22) Touching, the top of L-type cleaning rod (4) are fixedly installed with the gear (5) above tank body (1), and the top side of tank body (1) is fixedly mounted Having fixing axle (6), the top of fixing axle (6) is rotatably equipped with sector gear (7), and sector gear (7) is meshed with gear (5), Sector gear (7) is equipped with the motor (8) that is fixedly mounted on tank body (1) top side far from the side of gear (5), motor (8) it is defeated Shaft is fixedly installed with rotation axis (9) by shaft coupling, and the side of rotation axis (9) is fixedly installed with rotating bar (10), rotating bar (10) top side is rotatably equipped with driven rod (11), and the bottom side of driven rod (11) is rotatably equipped with shaft (13), shaft (13) Bottom end is rotatably installed on the top side of sector gear (7), offered on the top side inner wall of the tank body (1) positioned at motor (8) with Mounting hole (14) between sector gear (7), mounting hole (14) is interior to be fixedly installed with installation axle (17), movable in installation axle (17) It is socketed with mounting blocks (16), the side of mounting blocks (16) is fixedly installed with vibration rod (15), and the both ends of vibration rod (15) extend Outside to mounting hole (14), the side of vibration rod (15) is fixedly installed with the jacking block above tank body (1), jacking block and rotating bar (10) it is adapted.
2. a kind of Si-P crystal tank of scale inhibition antirust according to claim 1, which is characterized in that the one of the mounting hole (14) It offers telescopic chute (18), is offered on the two sides inner wall of telescopic chute (18) sliding slot (19) on the inner wall of side, two sliding slots (19) It being inside movably installed with the same sliding block (20), the side of sliding block (20) is fixedly installed with telescopic rod (21), and the one of vibration rod (15) Side offers slippage slot, and slipping block is movably installed in slippage slot, and one end of telescopic rod (21) extends in mounting hole (14) simultaneously It is rotatably installed on the side of slipping block, the other side of sliding block (20) is fixedly installed with one end of spring, and the other end of spring is solid Dingan County is on the side inner wall of sliding slot (19).
3. a kind of Si-P crystal tank of scale inhibition antirust according to claim 1, which is characterized in that the rotating bar (10) and band Lever (11) side close to each other offers link slot, and the same connecting shaft (12) are movably installed in two link slots.
4. a kind of Si-P crystal tank of scale inhibition antirust according to claim 1, which is characterized in that the driven rod (11) and fan Shape gear (7) side close to each other offers rotation slot, and the both ends of shaft (13) extend respectively in two rotation slots.
5. a kind of Si-P crystal tank of scale inhibition antirust according to claim 1, which is characterized in that the L-type cleaning rod (4) with Rubber sleeve is socketed on vibration rod (15), the top side of two rubber sleeves is fixedly mounted on the top side inner wall of tank body (1), L The bottom side of type cleaning rod (4) is fixedly installed with multiple hairbrush, and multiple hairbrush are in contact with the top side of filter screen (22).
6. a kind of Si-P crystal tank of scale inhibition antirust according to claim 1, which is characterized in that the bottom of the vibration rod (15) End is fixedly installed with vibration ball, and vibration ball is in contact with the side of outlet pipe (2).
7. a kind of Si-P crystal tank of scale inhibition antirust according to claim 1, which is characterized in that the sector gear (7) Bottom side offers swivelling chute, and the top of fixing axle (6) extends in swivelling chute.
CN201920169150.3U 2019-01-31 2019-01-31 A kind of Si-P crystal tank of scale inhibition antirust Active CN209651985U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920169150.3U CN209651985U (en) 2019-01-31 2019-01-31 A kind of Si-P crystal tank of scale inhibition antirust

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920169150.3U CN209651985U (en) 2019-01-31 2019-01-31 A kind of Si-P crystal tank of scale inhibition antirust

Publications (1)

Publication Number Publication Date
CN209651985U true CN209651985U (en) 2019-11-19

Family

ID=68523635

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920169150.3U Active CN209651985U (en) 2019-01-31 2019-01-31 A kind of Si-P crystal tank of scale inhibition antirust

Country Status (1)

Country Link
CN (1) CN209651985U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113880151A (en) * 2021-09-09 2022-01-04 华能嘉祥发电有限公司 Multiple waste water treatment system and device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113880151A (en) * 2021-09-09 2022-01-04 华能嘉祥发电有限公司 Multiple waste water treatment system and device
CN113880151B (en) * 2021-09-09 2022-10-28 华能嘉祥发电有限公司 Multiple waste water treatment system and device

Similar Documents

Publication Publication Date Title
CN212731280U (en) Environment-friendly sewage purification equipment
CN108275807A (en) A kind of filtering purified water treatment device
CN206793129U (en) A kind of dangerous waste processing pond
CN209651985U (en) A kind of Si-P crystal tank of scale inhibition antirust
CN208448745U (en) A kind of easy to disassemble and cleaning environmental protection equipment
CN207016578U (en) A kind of settlement of sewage purifier
CN208378592U (en) A kind of filtering purified water treatment device
CN209333305U (en) A kind of decompressor of self-cleaning filter
CN107551638A (en) A kind of environment-friendly building materials production sewage treatment device
CN209005289U (en) A kind of municipal wastewater settling tank
CN108379896A (en) A kind of industrial equipment wastewater treatment equipment
CN116510397B (en) Waste water treatment device for mine tailing sludge solidification technology
CN205516800U (en) Blowdown subassembly and adopt automatic back flush filter of this blowdown subassembly
CN210229365U (en) Multifunctional water treatment settling tank
CN208843763U (en) One kind being convenient for Dumpage type sewage treatment Slag Scraping Device
CN208465226U (en) A kind of waste gas condensation device in sewage disposal process
CN206604242U (en) A kind of domestic sewage filter
CN206252918U (en) A kind of drinking equipment filter
CN107215976B (en) Be used for high building domestic sewage purifier in city
CN209596844U (en) A kind of high-efficiency environment friendly cleaner
CN212091196U (en) Rotary disc filter for sewage treatment
CN209556108U (en) A kind of anti-prefabricated pumping plant tube structure of precipitating
CN208429889U (en) A kind of Novel domestic sewage treatment device
CN204848496U (en) Clean water filter of pipeline central authorities
CN110152377A (en) A kind of chemical plant wastewater filtration treatment device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant