CN204911776U - Filter coupling jar - Google Patents
Filter coupling jar Download PDFInfo
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- CN204911776U CN204911776U CN201520636511.2U CN201520636511U CN204911776U CN 204911776 U CN204911776 U CN 204911776U CN 201520636511 U CN201520636511 U CN 201520636511U CN 204911776 U CN204911776 U CN 204911776U
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- tank body
- tank
- entrance point
- end cap
- filter
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Abstract
The utility model provides a filter coupling jar belongs to mechanical technical field. It has been solved current coupling jar and has only carried out the flow coupling, and relict air in aquatic and impurity corruption system original paper make the problem that each original paper can not normal effectual operation. This filter coupling jar, including a jar body, water supply entrance point, water supply exit end, return water entrance point and return water exit end have on the lateral wall of the jar body, between water supply entrance point and the water supply exit end, all be equipped with the cartridge filter between return water entrance point and the return water exit end, the upper end and the lower extreme of the jar body are equipped with gas vent and drain respectively, be equipped with air bleeding valve and blowoff valve on gas vent and the drain respectively. This coupling jar comes through the impurity and the air separation of cartridge filter in with rivers, discharges impurity and waste gas through drain valve and blowoff valve, makes the normal effective operation of each component.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of coupling tank, particularly a kind of filtration coupling tank.
Background technology
With adopting coupling tank to carry out balance adjustment to the waterpower of water supply return water system in the process of water supply backwater of being everlasting, the loss using coupling tank can reduce pump increases service life, reduces the waste of the energy.
But common coupling tank has only carried out the coupling of flow, at current by being coupled in the process of tank, air remaining in water and impurity meeting etching system original paper, reduce the service life of system original paper, each original paper can not normally effectively be run.
In order to the people that solve the problem have developed the Butt-coupling tank based on water knockout drum: as Chinese patent application (application number: 201420227898.1) a kind of Butt-coupling tank based on water knockout drum, belong to coupling tank field, mainly solving existing coupling tank cannot directly dock with water knockout drum and be connected troublesome problem.Comprise coupling tank body, be arranged at the blast pipe of coupling tank body upper end, and be arranged at the blow-off pipe of coupling tank body lower end, the lateral wall of coupling tank body is provided with the butt tube group of docking with water knockout drum, butt tube group is made up of feed pipe and return pipe, and the horizontal range L between this feed pipe and return pipe is 35mm ± 5mm.This Butt-coupling tank has and directly can dock with water knockout drum, is connected advantage easy and attractive in appearance etc.
This Butt-coupling tank based on water knockout drum to some extent solves the problem of impurities in water, but still there is following problem:
Although 1, this has offered blast pipe and blow-off pipe based on the Butt-coupling tank of water knockout drum, the technology of practicable filtered air and impurity is not proposed, cannot air fully in filtered water and impurity.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, propose a kind of filtration coupling tank, technical problem to be solved in the utility model is: how to remove the gas and impurity that exist in water supply and backwater, prevent each element to be corroded, guarantee system is run normally.
The purpose of this utility model realizes by following technical proposal: a kind of filtration coupling tank, comprise tank body, the sidewall of described tank body has water supply entrance point, service water outlet end, backwater entrance point and the backwater port of export, it is characterized in that, described water supply entrance point and service water outlet end are oppositely arranged and are positioned at the upper end of tank body, described backwater entrance point and the backwater port of export are oppositely arranged and are positioned at the lower end of tank body, also cartridge filter is provided with in described tank body, between described water supply entrance point and service water outlet end, above-mentioned cartridge filter is equipped with between backwater entrance point and the backwater port of export, described cartridge filter comprises tube connector and some circumferences and to be distributed in outside tube connector and the filter radially outward dispersed, described filter is equipped with several water holes, the top and bottom of described tank body are respectively equipped with exhaust outlet and sewage draining exit, described exhaust outlet and sewage draining exit are respectively equipped with air bleeding valve and blowoff valve.
In the course of the work, filter coupling tank vertically to arrange, tank wall upper end arranges relative water supply entrance point and service water outlet end, tank wall lower end arranges relative backwater entrance point and the backwater port of export, between water supply entrance point and service water outlet end, cartridge filter is equipped with between backwater entrance point and the backwater port of export, after current pass into water supply entrance point by water pump pressurization, water impact is on cartridge filter, cartridge filter comprises tube connector and several circumferences and to be distributed in outside tube connector and the filter radially outward dispersed, filter being offered water hole makes current pass through filter, therefore when water enters tank body, filter on meeting impact filtration cylinder, and under the effect of filter, make water and the air be blended in water and magazins' layout, simultaneously because the effect of hydraulic pressure makes whole cartridge filter that the rotation of Waterwheel-type can occur, such water can be filtered fully in tank body, in filter process, air forms bubble rising, impurity declines through precipitation, identical therewith, current enter backwater entrance point by water pump after piping loop, water stream S impacts on the cartridge filter between backwater entrance point and the backwater port of export, air solid impurity is separated with current, air forms bubble and rises, impurity declines through precipitation, air and the impurity of accumulation are discharged respectively by the blowoff valve of the air bleeding valve on top and bottom, the filtration tank that is coupled is circulated running, current can play better heat transfer effect through the minimizing of filtered air and impurity, and the accumulation of impurity in water pump and water pipe can be reduced, thus reduce impurity to the corrosion of each original paper, increase the service life of each original paper, make each original paper work normal operation, guarantee system is run normally.
When the flow of water supply entrance point is greater than the flow of backwater entrance point, supply water and produce pressure differential between backwater, the current that a part is entered by water supply entrance point are discharged by the backwater port of export, when the same flow when backwater entrance point is greater than the flow of water supply entrance point, the current entered by backwater entrance point with a pressure official post part for backwater that supply water are discharged by service water outlet end, and this endless form pressure balanced in tank body enables unit safely and steadily run.
In above-mentioned filtration coupling tank, described filtration coupling tank also comprises two end caps being connected to tank body top and bottom, described end cap has Plug Division, two end cap is plugged on exhaust outlet and the sewage draining exit place of tank body respectively by Plug Division, described air bleeding valve and blowoff valve are separately positioned on corresponding end and cover, and described air bleeding valve is communicated with exhaust outlet, described blowoff valve is communicated with sewage draining exit.
End cap is equipped with at the two ends up and down of filtering coupling tank, and end cap and tank body pass through socket connection, upper end cover and bottom end cover are plugged on exhaust outlet and the sewage draining exit place of tank body, described air bleeding valve and blowoff valve are arranged on corresponding end and cover, and end cap plays the effect be connected with sewage draining exit with blowoff valve that to be connected with exhaust outlet by air bleeding valve.Upper end cover plays the effect of temporary reservoir air simultaneously, bottom end cover plays the effect of temporary reservoir impurity, upper and lower two end caps are conducive to the gathering of air and impurity, to be separated by between upper end cover and water supply entrance point a segment distance simultaneously, ensure that air can not directly be discharged from service water outlet end after being separated with water, optimize the process of process impurity.Usual cartridge filter has Impurity deposition in work certain hour rear surface, and can carry out replacing cleaning to cartridge filter easily by the design of end cap, the gas and impurity that supply water and exist in backwater are removed in guarantee effectively.
In above-mentioned filtration coupling tank, be also provided with O-ring seal one between the Plug Division of described end cap and the madial wall of tank body, the inwall of described O-ring seal one is resisted against on Plug Division, and outer wall is resisted against on the madial wall of tank body.
For ensureing that tank body is airtight in filtration coupling tank running, current can not ooze out outside tank, O-ring seal one is provided with between the Plug Division of end cap and tank body madial wall, O-ring seal one inwall and Plug Division against, outer wall and inner tank wall against, this design can ensure to filter coupling tank Integral sealing, and gas and impurity are discharged from air bleeding valve and blowoff valve.
In above-mentioned filtration coupling tank, the lateral wall of two end cap all has the annular gear edge of radially outward protruding, two annular gears are along being resisted against on the end face of tank body upper end and the end face of lower end respectively.
When installing end cap in order to determine that the distance of tank body is inserted in end cap insertion section, described end cap lateral wall has the annular gear edge of radially outward protruding, annular gear is along being resisted against on the end face of tank body upper end or the end face of lower end, the annular gear of end cap is along serving spacing effect, the gear of end cap is along contacting with face with face between tank body simultaneously, also serves the effect of sealing.
In above-mentioned filtration coupling tank, also be installed with ring baffle in described tank body, described cartridge filter one end is resisted against on ring baffle, and the other end is resisted against on end cap, described ring baffle and described tube connector concentric are arranged, and the internal diameter of described ring baffle is greater than the external diameter of tube connector.
Cartridge filter to be located at respectively between water supply entrance point and service water outlet end and between backwater entrance point and the backwater port of export in order to the position of fixing cartridge filter, the two ends of cartridge filter are resisted against on end cap and ring baffle respectively, ring baffle and described tube connector concentric are arranged, and the internal diameter of ring baffle is greater than the external diameter of tube connector, the position that cartridge filter limits cartridge filter on the one hand fixed by employing ring baffle, on the other hand be gathered near tube connector by the air of filter cartridge and impurity when cartridge filter rotates, tank body can be discharged through ring baffle by air bleeding valve and blowoff valve because ring baffle is greater than tube connector external diameter air and impurity.
In above-mentioned filtration coupling tank, between described filter and the madial wall of tank body, there is gap.
Impulsive force can be produced when water pump supplies water, if directly pass into cartridge filter, contact with filter, then filter effect is not good, therefore when the water in water pump enters tank body by water supply entrance point or backwater entrance point, gap is provided with by between cartridge filter and the madial wall of tank body in order to alleviate impulsive force, when current enter tank body, a part of impulsive force by gap buffer, makes current finely dispersedly can pass through cartridge filter, air in abundant filtered water stream and impurity, optimize filter effect.Meanwhile, the setting in gap, water impact can make the rotation of whole cartridge filter generation Waterwheel-type on filter, makes the air in water and impurity realize being separated fully.
In above-mentioned filtration coupling tank, between described ring baffle and the madial wall of tank body, be also provided with O-ring seal two.
O-ring seal two is provided with between ring baffle and the madial wall of tank body, this set stops water to exosmose between ring baffle and the madial wall of tank body, current can be made fully by filter cartridge, realize being separated of air and impurity, ensure good filter effect.
In above-mentioned filtration coupling tank, the sidewall being located at tank body sewage draining exit place end cap also offers installing hole, and be equipped with bar magnet in described installing hole, described bar magnet one end passes mounting hole site in end cap.
Ferrous components can be contained in current impurity, in order to better remove filtration impurities in water, tank body sewage draining exit place end cap sidewalls offering installing hole, in installing hole, is equipped with bar magnet, utilize the impurity such as the iron rust in bar magnet adsorbed water, the impurity such as the iron rust in anti-sealing corrode each parts.
In above-mentioned filtration coupling tank, described bar magnet is also coated with protective sleeve, described protective sleeve adopts magnetic-permeable material to make.
In order to protect bar magnet; do not make it directly contact with water not to be corroded, bar magnet is coated with the protective sleeve adopting magnetic-permeable material to make, and this protective sleeve can play the effect of bar magnet and water segregation being opened; and in the process of absorption iron, bar magnet does not directly contact the more convenient cleaning to impurity with iron.
In above-mentioned filtration coupling tank, between described protective sleeve and installing hole inwall, be also provided with O-ring seal three.
For ensureing that filtering coupling tank is in sealing state, does not outwards seep water, and has good filter effect, be provided with O-ring seal three between protective sleeve and the inwall of installing hole.
In above-mentioned filtration coupling tank, the port, Plug Division of described end cap is also provided with chamfering.
For making Plug Division port more easily access in coupling tank, be provided with chamfering in port, Plug Division.
Compared with prior art, this filtration coupling tank has following advantage:
1, the impurity in current and air separation are come by cartridge filter by this coupling tank, impurity and waste gas are discharged, each element is normally effectively run by draining valve and blowoff valve.
2, this coupling tank has the function of balanced recycle, effective each equipment safety operation of protection independent loops system.
Accompanying drawing explanation
Fig. 1 is the partial sectional view filtering coupling tank.
Fig. 2 is the partial enlarged drawing at Figure 1A place.
Fig. 3 is the partial enlarged drawing at Figure 1B place.
Fig. 4 is the structure chart of cartridge filter.
Fig. 5 is the partial enlarged drawing at Fig. 1 C place.
In figure, 1, tank body; 1a, water supply entrance point; 1b, service water outlet end; 1c, backwater entrance point; 1d, the backwater port of export; 1e, exhaust outlet; 1f, sewage draining exit; 2, cartridge filter; 2a, water hole; 2b, tube connector; 2c filter; 3, air bleeding valve; 4, end cap; 4a, Plug Division; 4b, annular gear edge; 5, O-ring seal one; 6, ring baffle; 7, O-ring seal two; 8, protective sleeve; 9, bar magnet; 10, installing hole; 11, O-ring seal three; 12, blowoff valve.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Fig. 1 or 4, one filters coupling tank, and it comprises tank body 1, the sidewall of tank body 1 has water supply entrance point 1a, service water outlet end 1b, backwater entrance point 1c and backwater port of export 1d, between water supply entrance point 1a and service water outlet end 1b, cartridge filter 2 is equipped with between backwater entrance point 1c and backwater port of export 1d, cartridge filter 2 comprises tube connector 2b and several circumferences and to be distributed in outside tube connector 2b and the filter 2c radially outward dispersed, after current pass into water supply entrance point 1a by water pump pressurization, filter 2c on meeting impact filtration cylinder 2, and under the effect of filter 2c, make water and the air be blended in water and magazins' layout, simultaneously because the effect of hydraulic pressure makes whole cartridge filter 2 that the rotation of Waterwheel-type can occur, such water can be filtered fully in tank body 1, in filter process, air forms bubble rising, impurity declines through precipitation, several water holes 2a that the filter 2c of simultaneously cartridge filter 2 offers, current are flow through from cartridge filter 2 by water hole 2a, flow out service water outlet end 1b, identical therewith, current enter backwater entrance point 1c by water pump after piping loop, water stream S impacts on the cartridge filter 2 between backwater entrance point 1c and backwater port of export 1d, air solid impurity is separated with current, air forms bubble and rises, impurity declines through precipitation.
As shown in the figures 1 and 2, the two ends up and down of filtering coupling tank are all provided with end cap 4, and end cap 4 and tank body 1 are by Plug Division 4a socket connection, two end caps 4 are plugged on exhaust outlet 1e and the sewage draining exit 1f place of tank body 1 respectively, described air bleeding valve 3 and blowoff valve 12 are arranged on corresponding end cap 4, and corresponding end cap 4 plays and is connected with exhaust outlet 1e and the effect be connected with sewage draining exit 1f by blowoff valve 12 by air bleeding valve 3.End cap 4 also plays the effect of temporary reservoir air and impurity simultaneously, to be separated by between end cap 4 in tank body 1 upper end and water supply entrance point 1a one end distance, air can be made fully to increase, can not directly discharge from service water outlet end 1b, be conducive to the gathering of air, the end cap 4 being positioned at tank body 1 lower end is conducive to the deposition of impurity, optimizes the process of process impurity.The air of accumulation in end cap 4 and impurity are discharged with the blowoff valve 12 being opened in bottom respectively by the air bleeding valve 3 being opened in top, and cartridge filter 2 has Impurity deposition in work certain hour rear surface, can be dismantled to carry out replacing cleaning by end cap 4 pairs of cartridge filters 2.Between the Plug Division 4a and tank body 1 madial wall of end cap 4, be provided with O-ring seal 1 simultaneously, O-ring seal 1 inwall and Plug Division 4a against, outer wall and tank body 1 inwall against, this design can ensure to filter coupling tank integral sealing, end cap 4 lateral wall has the annular radially outward protruded to keep off along 4b, annular gear is resisted against on the end face of tank body 1 upper end or the end face of lower end along 4b, the annular gear of end cap 4 serves spacing effect along 4b, the gear of end cap 4 is along contacting with face with face between tank body 1 simultaneously, also serves the effect of sealing.
Current by water pump be forced through water supply entrance point 1a or backwater entrance point 1c enter tank body 1 time, between cartridge filter 2 and the madial wall of tank body 1, gap is provided with in order to alleviate impulsive force, when current enter tank body 1, the a part of impulsive force by gap buffer, make current can be finely dispersed by cartridge filter 2, increase the usable floor area of cartridge filter 2, the air in abundant filtered water stream and impurity, optimize filter effect.
Ring baffle 6 is also installed with in tank body 1, in order to the position of fixing cartridge filter 2, the two ends of cartridge filter 2 are resisted against end cap 4 respectively with on ring baffle 6, ring baffle 6 and tube connector 2b concentric are arranged, the internal diameter of ring baffle 6 is greater than the external diameter of tube connector 2b, ring baffle 6 is adopted to fix the position that cartridge filter 2 one aspect limits cartridge filter 2, be gathered near tube connector 2b by cartridge filter 2 filtered air and impurity when cartridge filter 2 rotates on the other hand, because ring baffle 6 is greater than tube connector 2b external diameter, air and impurity can discharge tank body 1 through ring baffle 6 by air bleeding valve 3 and blowoff valve 12.In order to protect positive filter effect, meeting sealing and being provided with O-ring seal 27 between ring baffle 6 and the madial wall of tank body 1, this set stops current to exosmose, and current can be made fully to be filtered by cartridge filter 2.
As shown in Fig. 1 or 3, in order to better remove filtration impurities in water, tank body 1 sewage draining exit 1f place end cap 4 sidewall offers installing hole 10, bar magnet 9 is equipped with in installing hole 10, utilize the iron tramp in bar magnet 9 adsorbed water, and bar magnet 9 one end passes installing hole 10, be positioned at end cap 4, it is better that this set can make bar magnet 9 inhale the attached dirty ability of iron effect, simultaneously, in order to protect bar magnet 9, it is not made directly to contact with water thus ensure that bar magnet 9 is not corroded, bar magnet 9 is coated with the protective sleeve 8 adopting magnetic-permeable material to make, this protective sleeve 8 can play the effect of bar magnet 9 and water segregation being opened, and in the process of absorption iron, bar magnet 9 does not directly contact the more convenient cleaning to impurity with iron.For ensureing that filtering coupling tank is in sealing state, does not outwards seep water, and has good filter effect, be provided with O-ring seal 3 11 between protective sleeve 8 and the inwall of installing hole 10.
Current can play better heat transfer effect, economize energy through the minimizing of filtered air and impurity, and can reduce the accumulation of impurity in water pump and water pipe, increase service life.When the flow of water supply entrance point 1a is greater than the flow of backwater entrance point 1c, in tank body 1, pressure is uneven, the current that a part is entered by water supply entrance point 1a are discharged by backwater port of export 1d, when the same flow velocity as backwater entrance point 1c is greater than the flow velocity of water supply entrance point 1a, in tank body 1, pressure is uneven, the current that a part is entered by backwater entrance point 1c are discharged by service water outlet end 1b, and this endless form pressure balanced in tank body 1 enables unit safely and steadily run.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (10)
1. one kind is filtered coupling tank, comprise tank body (1), the sidewall of described tank body (1) has water supply entrance point (1a), service water outlet end (1b), backwater entrance point (1c) and the backwater port of export (1d), it is characterized in that, described water supply entrance point (1a) and service water outlet end (1b) are oppositely arranged and are positioned at the upper end of tank body (1), described backwater entrance point (1c) and the backwater port of export (1d) are oppositely arranged and are positioned at the lower end of tank body (1), cartridge filter (2) is also provided with in described tank body (1), between described water supply entrance point (1a) and service water outlet end (1b), above-mentioned cartridge filter (2) is equipped with between backwater entrance point (1c) and the backwater port of export (1d), described cartridge filter (2) comprises tube connector (2b) and some circumferences are distributed in tube connector (2b) outside and the filter (2c) radially outward dispersed, described filter (2c) is equipped with several water holes (2a), the top and bottom of described tank body (1) are respectively equipped with exhaust outlet (1e) and sewage draining exit (1f), described exhaust outlet (1e) and sewage draining exit (1f) are respectively equipped with air bleeding valve (3) and blowoff valve (12).
2. one according to claim 1 filters coupling tank, it is characterized in that, described filtration coupling tank also comprises two end caps (4) being connected to tank body (1) top and bottom, described end cap (4) has Plug Division (4a), two end cap (4) is plugged on exhaust outlet (1e) and sewage draining exit (1f) place of tank body (1) respectively by Plug Division (4a), described air bleeding valve (3) and blowoff valve (12) are separately positioned on corresponding end cap (4), and described air bleeding valve (3) is communicated with exhaust outlet (1e), described blowoff valve (12) is communicated with sewage draining exit (1f).
3. one according to claim 2 filters coupling tank, it is characterized in that, O-ring seal one (5) is also provided with between the Plug Division (4a) of described end cap (4) and the madial wall of tank body (1), the inwall of described O-ring seal one (5) is resisted against on Plug Division (4a), and outer wall is resisted against on the madial wall of tank body (1).
4. the one according to Claims 2 or 3 filters coupling tank, it is characterized in that, the lateral wall of two end cap (4) all has annular gear edge (4b) radially outward protruded, two annular gears are resisted against on the end face of tank body (1) upper end and the end face of lower end respectively along (4b).
5. one according to claim 4 filters coupling tank, it is characterized in that, described cartridge filter (2) one end is resisted against on ring baffle (6), the other end is resisted against on end cap (4), described ring baffle (6) and described tube connector (2b) concentric are arranged, and the internal diameter of described ring baffle (6) is greater than the external diameter of tube connector (2b).
6. the one according to claim 1 or 2 or 3 filters coupling tank, it is characterized in that having gap between the madial wall of described filter (2c) and tank body (1).
7. one according to claim 5 filters coupling tank, it is characterized in that, is also provided with O-ring seal two (7) between the madial wall of described ring baffle (6) and tank body (1).
8. the one according to Claims 2 or 3 filters coupling tank, it is characterized in that, the sidewall being located at tank body (1) sewage draining exit (1f) place end cap (4) also offers installing hole (10), be equipped with bar magnet (9) in described installing hole (10), described bar magnet (9) one end passes installing hole (10) and is positioned at end cap (4).
9. one according to claim 8 filters coupling tank, it is characterized in that, states on bar magnet (9) and be also coated with protective sleeve (8), and described protective sleeve (8) adopts magnetic-permeable material to make.
10. one according to claim 9 filters coupling tank, it is characterized in that, states between protective sleeve (8) and installing hole (10) inwall and be also provided with O-ring seal three (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520636511.2U CN204911776U (en) | 2015-08-22 | 2015-08-22 | Filter coupling jar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520636511.2U CN204911776U (en) | 2015-08-22 | 2015-08-22 | Filter coupling jar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204911776U true CN204911776U (en) | 2015-12-30 |
Family
ID=54960961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520636511.2U Withdrawn - After Issue CN204911776U (en) | 2015-08-22 | 2015-08-22 | Filter coupling jar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204911776U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105126997A (en) * | 2015-08-22 | 2015-12-09 | 浙江达柏林阀门有限公司 | Filtering coupling tank |
-
2015
- 2015-08-22 CN CN201520636511.2U patent/CN204911776U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105126997A (en) * | 2015-08-22 | 2015-12-09 | 浙江达柏林阀门有限公司 | Filtering coupling tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151230 Effective date of abandoning: 20170707 |
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| AV01 | Patent right actively abandoned |