CN205516800U - Blowdown subassembly and adopt automatic back flush filter of this blowdown subassembly - Google Patents
Blowdown subassembly and adopt automatic back flush filter of this blowdown subassembly Download PDFInfo
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- CN205516800U CN205516800U CN201620301836.XU CN201620301836U CN205516800U CN 205516800 U CN205516800 U CN 205516800U CN 201620301836 U CN201620301836 U CN 201620301836U CN 205516800 U CN205516800 U CN 205516800U
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- Prior art keywords
- sucking tube
- dirt sucking
- leading screw
- blowdown
- pollution
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- 239000002689 soil Substances 0.000 claims abstract description 48
- 238000001914 filtration Methods 0.000 claims description 41
- 238000011001 backwashing Methods 0.000 claims description 6
- 230000003467 diminishing effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 8
- 239000010865 sewage Substances 0.000 abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000000034 method Methods 0.000 description 8
- 239000012535 impurity Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 241001473780 Sideroxylon lanuginosum Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
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- Nozzles For Electric Vacuum Cleaners (AREA)
Abstract
The utility model discloses a blowdown subassembly and adopt the automatic back flush filter of blowdown subassembly, this blowdown subassembly include sewage suction pipe and establish the soil pick -up mouth on sewage suction pipe, sewage suction pipe's one end even has the lead screw, be fixed with the motor on the blowdown subassembly, it is connected with the gear to rotate on the motor, it is connected with the lead screw to rotate on the gear, the motor is rotary motion and along the axial round trip movement, is had and improve the regional effect of soil pick -up along the axial through gear band kinetodesma thick stick.
Description
Technical field
This utility model relates to filtration, purification field, particularly to a kind of blowdown assembly and the automatic backwashing filter that uses this blowdown assembly.
Background technology
Self-cleaning filter; it is a kind of to utilize filter screen directly to intercept the impurity in water; remove water body recovery technology, particulate matter, reduce turbidity, purify water; minimizing system dirt, bacterium algae, corrosion etc. produce; with the precision equipment purified water and the system miscellaneous equipment of protection normally works, water is entered self-cleaning filter body by water inlet, owing to intellectuality relates to; system can identify that impurity deposits degree, to blowdown valve signal automatic pollution discharge automatically.
nullAuthorization Notice No. is CN204699486U、Authorized announcement date is that the Chinese patent on October 14th, 2015 discloses a kind of Full-automatic self-cleaning filter，Including filter body，The upper end of filter body is provided with power motor，The side of filter body is provided with water inlet pipe and outlet pipe，Coarse filtration net and finly filtration net it is provided with in filter body，It is provided with portable plate between coarse filtration net and finly filtration net，Portable plate is arranged on the inwall of filter body，In the upside of finly filtration net, fixed plate is installed，Rotation bar has been passed in fixed plate，Rotate bar to be rotated by power motor，Several pollution-absorbing nozzle is distributed on bar rotating，And pollution-absorbing nozzle communicates with the inner passage of rotation bar，A blowdown chamber is formed between the top and fixed plate of filter body，It is positioned on the rotation bar outer wall of blowdown that section of intracavity and offers multiple mudhole，Mudhole communicates with blowdown chamber，Blowdown chamber communicates with blowoff valve.
It is in place of the deficiencies in the prior art: if the pollution-absorbing nozzle that rotation bar is provided with is too much, then the pressure in finly filtration net and turn little with the pressure difference of lever inner passage, this pressure differential cannot meet soil pick-up work or reach strong external force soil pick-up effect by improving power consumption, and the pollution-absorbing nozzle that therefore rotation bar is provided with is limited；And pollution-absorbing nozzle mainly carries out soil pick-up to its neighbouring region, therefore the soil pick-up effect on finly filtration major part region on the net (particularly with pollution-absorbing nozzle at a distance of the biggest region) is undesirable.
Therefore, develop a kind of blowdown assembly that can improve soil pick-up region and there is preferable using value.
Utility model content
First purpose of the present utility model is to provide a kind of blowdown assembly, which solves and can only have, for the problem effectively cleaned with pollution-absorbing nozzle adjacent domain, the effect improving soil pick-up region.
Above-mentioned technical purpose of the present utility model has the technical scheme that
A kind of blowdown assembly, including dirt sucking tube and the pollution-absorbing nozzle being located on dirt sucking tube, one end of described dirt sucking tube is fixed with leading screw；Being fixed with motor on described blowdown assembly, described motor is rotatably connected to gear, described gear is rotatably connected to leading screw, described motor is axially rotated by gear driven leading screw and axially moves back and forth.
Using said structure, motor driven gear rotates, and gear coordinates with leading screw makes leading screw can axially rotate and axially move back and forth；And leading screw and dirt sucking tube are to connect and both are synchronized with the movement, therefore dirt sucking tube also can axially rotate and axially moves back and forth；When dirt sucking tube axially moves back and forth, the fixing pollution-absorbing nozzle being located on dirt sucking tube can to dirt sucking tube axially on region carry out soil pick-up process, and when dirt sucking tube axially rotates, the fixing pollution-absorbing nozzle being located on dirt sucking tube can carry out soil pick-up process to dirt sucking tube region radially；Dirt sucking tube radially, dirt sucking tube axially and the length of pollution-absorbing nozzle constitute one can the barrel surface of soil pick-up, improve soil pick-up region further.
More preferably: described leading screw is externally provided with shaft housing, on described shaft housing near one end of dirt sucking tube at least provided with a travel switch；When described leading screw arrives at travel switch, and travel switch receives signal and by the electric control leading screw direction of motion vertically.
Use said structure, by sensing to leading screw at travel switch, indicate the degree that leading screw and dirt sucking tube move axially so, and the moving direction of next step leading screw is controlled to indicate by circuit, conveniently grasp and control leading screw and the movement of dirt sucking tube, the soil pick-up region of instruction pollution-absorbing nozzle and next step soil pick-up region thereof, moreover it is possible to reduce it and miscellaneous part is collided the infringement caused.
More preferably: described blowdown assembly also includes the mounting seat being provided with installing hole, and described mounting seat is located on dirt sucking tube the side away from leading screw；Described mounting seat is provided with pipe axle, and one end and the dirt sucking tube of described pipe axle are fixed, and its other end is arranged through installing hole.
Dirt sucking tube can occur certain rotation, and it is away from one end of leading screw due to relatively big from point of application distance, and it can occur certain shake, and this will affect normally carrying out of soil pick-up work, the most also can affect dirt sucking tube and coordinating of miscellaneous part and make its annexation loosening；Use said structure, can be one strong point of one end offer away from leading screw on dirt sucking tube, reduce probability and the frequency of vibration of its shake；Dirt sucking tube is arranged through installing hole simultaneously, and installing hole can reduce, as guide effect, the probability that dirt sucking tube tilts.
More preferably: the one end arranged through installing hole on described pipe axle is provided with and limits the limited block that pipe axle skids off from installing hole.
Use said structure, size due to limited block is more than the size of installing hole, so pipe axle cannot skid off installing hole from the one end being provided with limited block, and the other end of pipe axle and dirt sucking tube connect, so pipe axle also cannot skid off installing hole from the one end being connected with dirt sucking tube, it can ensure that in use, and pipe axle is arranged through installing hole all the time, can give full play to vibration damping and the guide effect of mounting seat.
More preferably: in described dirt sucking tube, be provided with soil pick-up chamber；The setting of soil pick-up chamber is stretched in the one end being connected with dirt sucking tube on described pipe axle and it is fixed with dirt sucking tube by a bracer.
Dirt sucking tube can occur certain rotation, and it is away from one end of leading screw due to relatively big from point of application distance, and it can occur certain shake, and this will affect normally carrying out of soil pick-up work, the most also can affect dirt sucking tube and coordinating of miscellaneous part and make its annexation loosening；Although the vibration of one end away from leading screw can be reduced on dirt sucking tube by the installation of mounting seat, but owing to the length of dirt sucking tube is longer, on dirt sucking tube, the one end away from leading screw still can exist certain vibration；Using said structure, pipe axle stretches into soil pick-up intracavity and it is fixed on soil pick-up intracavity, and on pipe axle, non-vibrationproof part decreases and its two ends are respectively provided with preferable damping effect, the most substantially can ignore and vibrate the impact installing soil pick-up work and dirt sucking tube.
More preferably: on described pipe axle, become scalable setting through one end that installing hole is arranged.
The size in the space placing the one end arranged on pipe axle through installing hole is fixed, if non-telescoping through one end that installing hole is arranged on pipe axle, then pipe axle axially moves back and forth and can be affected；Use said structure, the problems referred to above can be solved, it is adaptable to how sizing system.
More preferably: described pollution-absorbing nozzle has multiple；Described pollution-absorbing nozzle is equidistantly located on dirt sucking tube, and adjacent pollution-absorbing nozzle interlocks and is located at the both sides of dirt sucking tube.
Use said structure, in same velocity of rotation and move back and forth under speed, soil pick-up region can be improved.
More preferably: the length of described pollution-absorbing nozzle is different, and its axially becoming larger or diminishing along dirt sucking tube.
Use said structure, different discs radially can be carried out soil pick-up process, improve soil pick-up region.
More preferably: on described motor, the side near gear is provided with keyway, and described gear is provided with the shockproof key coordinated with keyway.
Using said structure, gear is not susceptible to relative slip, motor or gear with motor, and when rotating, it is difficult to skid, safer.
Second purpose of the present utility model is to provide a kind of automatic backwashing filter.
Above-mentioned technical purpose of the present utility model has the technical scheme that
A kind of automatic backwashing filter, including finly filtration net, is provided with described blowdown assembly in described finly filtration net.
In sum, this utility model has the advantages that
Being rotated by motor driven gear, gear coordinates with leading screw makes leading screw can axially rotate and axially move back and forth；And leading screw and dirt sucking tube are to connect and both are synchronized with the movement, therefore dirt sucking tube also can axially rotate and axially moves back and forth；When dirt sucking tube axially moves back and forth, the fixing pollution-absorbing nozzle being located on dirt sucking tube can to dirt sucking tube axially on region carry out soil pick-up process, and when dirt sucking tube axially rotates, the fixing pollution-absorbing nozzle being located on dirt sucking tube can carry out soil pick-up process to dirt sucking tube region radially；Dirt sucking tube radially, dirt sucking tube axially and the length of pollution-absorbing nozzle constitute one can the barrel surface of soil pick-up, improve soil pick-up region further；On dirt sucking tube, the side away from leading screw is provided with mounting seat, the setting of soil pick-up chamber is stretched in the one end being connected with dirt sucking tube on pipe axle and it is fixed with dirt sucking tube by a bracer, both coordinate, and except energy vibration damping, the most substantially can ignore and vibrate the impact installing soil pick-up work and dirt sucking tube；Pollution-absorbing nozzle is equidistantly located on dirt sucking tube, adjacent pollution-absorbing nozzle interlocks and is located at the both sides of dirt sucking tube, and the length of pollution-absorbing nozzle is different, and its axially becoming larger or diminishing along dirt sucking tube, same velocity of rotation and move back and forth under speed, different discs radially can be carried out soil pick-up process, improve soil pick-up region.
Accompanying drawing explanation
Fig. 1 is the perspective view of embodiment 1；
Fig. 2 is the A portion enlarged diagram of Fig. 1；
Fig. 3 is the cross-sectional view of embodiment 1；
Fig. 4 is the B portion enlarged diagram of Fig. 3；
Fig. 5 is the C portion enlarged diagram of Fig. 3；
Fig. 6 is the perspective view of embodiment 2；
Fig. 7 is the cross-sectional view of embodiment 2.
In figure, 1, dirt sucking tube；2, soil pick-up chamber；3, pollution-absorbing nozzle；4, leading screw；5, gear；6, motor；7, shockproof key；8, shaft housing；9, travel switch；10, mounting seat；11, installing hole；12, pipe axle；13, corrugated tube；14, limited block；15, bracer is propped up；16, mudhole；17, suction section；18, neonychium；19, soil pick-up hole；20, housing；21, containing cavity；22, filter septum；23, blowdown dividing plate；24, coarse filtration room；25, finly filtration room；26, blowdown room；27, coarse filtration net；28, water inlet；29, finly filtration net；30, outlet；31, working chamber；32, hydraulic reverse flushing valve；33, urgent backwash valve；34, keyway.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made after reading this specification by those skilled in the art as required does not has the amendment of creative contribution, but as long as all being protected by Patent Law in right of the present utility model.
Embodiment 1: a kind of blowdown assembly, as shown in Figures 1 to 5.With reference to Fig. 1, including columned dirt sucking tube 1, offer soil pick-up chamber 2(in dirt sucking tube 1 with reference to Fig. 3).On the side surface of dirt sucking tube 1, bolt connects has multiple pollution-absorbing nozzle 3, each pollution-absorbing nozzle 3 to connect with soil pick-up chamber 2.Pollution-absorbing nozzle 3 is equidistantly located on dirt sucking tube 1, the adjacent staggered both sides being located at dirt sucking tube 1 of pollution-absorbing nozzle 3.The length of pollution-absorbing nozzle 3 is different, and its axially becoming larger or diminishing along dirt sucking tube 1.
With reference to Fig. 1, one end of dirt sucking tube 1 is connected with leading screw 4(with reference to Fig. 3), on dirt sucking tube 1, the one end near leading screw 4 is provided with mudhole 16.With reference to Fig. 3 and Fig. 4, leading screw 4 and the motor 6 with gear 5 are rotationally connected.On motor 6, the side near gear 5 is provided with keyway 34, and gear 5 is provided with the shockproof key 7 coordinated with keyway 34.
With reference to Fig. 4, leading screw 4 is externally provided with shaft housing 8, near dirt sucking tube 1(with reference to Fig. 1 on shaft housing 8) one end be provided with at least one travel switch 9；When leading screw 4 arrives at travel switch 9, travel switch 9 receives signal and by the direction axially movable of electric control leading screw 4.During use, motor 6 drives leading screw 4 axially to rotate by gear 5 and axially moves back and forth；And leading screw 4 and dirt sucking tube 1 are synchronized with the movement；At leading screw 4 moves travel switch 9 processed, travel switch 9 receives the direction axially movable of signal electric control leading screw 4.
Shown in Fig. 1 and Fig. 5, away from leading screw 4(with reference to Fig. 4 on dirt sucking tube 1) side be provided with ring-type mounting seat 10, be provided with installing hole 11 and pipe axle 12 in mounting seat 10.One end of pipe axle 12 is arranged through installing hole 11, and this end is into the corrugated tube 13(of scalable setting with reference to Fig. 1), this corrugated tube 13 is made up of gum elastic.Corrugated tube 13 is provided with limited block 14, and its size is more than the size of installing hole 11, and it can limit pipe axle 12 and skid off from installing hole 11.On pipe axle 12, the middle part in soil pick-up chamber 2 is stretched in one end of remotely mounted seat 10, and it is connected with bracer 15 bolt being bolted in soil pick-up chamber 2.When dirt sucking tube 1 moves in the axial direction, dirt sucking tube 1 drives pipe axle 12 synchronizing moving, and pipe axle 12 can move back and forth along installing hole 11 and owing to corrugated tube 13 becomes scalable setting, and it is not limited by the space accommodating corrugated tube 13, and its moving area is bigger.
In conjunction with Fig. 1 and Fig. 2, on pollution-absorbing nozzle 3, the one end away from dirt sucking tube 1 is provided with suction section 17, and suction section 17 is round table-like, and its width is being gradually reduced to the direction away from pollution-absorbing nozzle 3 along near pollution-absorbing nozzle 3.In suction section 17, the one end away from dirt sucking tube 1 is provided with neonychium 18 and soil pick-up hole 19, and neonychium sets 18 outer rims in soil pick-up hole 19.Neonychium 18 is made up of elastomeric material.Soil pick-up hole 19 with soil pick-up chamber 2(with reference to Fig. 3) connect.Impurity is first sucked up in soil pick-up hole 19, then is transferred in soil pick-up chamber 2 by pollution-absorbing nozzle 3, is discharged eventually through mudhole 16.
Embodiment 2: a kind of automatic backwashing filter, as combined shown in Fig. 6 and Fig. 7, including housing 20, offers containing cavity 21 in housing 20.It is provided with filter septum 22 and blowdown dividing plate 23, filter septum 22 and blowdown dividing plate 23 in containing cavity 21 and containing cavity is separated in order coarse filtration room 24, finly filtration room 25 and blowdown room 26.
In conjunction with Fig. 6 and Fig. 7, coarse filtration room 24 is located at the side of filter septum 22.Being provided with the coarse filtration net 27 that closed loop is arranged in coarse filtration room 24, it connects with water inlet 28.
In conjunction with Fig. 6 and Fig. 7, finly filtration room 25 is located between filter septum 22 and blowdown dividing plate 23.Being provided with the finly filtration net 29 that closed loop is arranged in finly filtration room 25, finly filtration room 25 connects with outlet 30.One end of coarse filtration net 27 and one end clamping of finly filtration net 29.Offer working chamber 31 in finly filtration net 29, in working chamber 31, be provided with blowdown assembly as described embodiments.Mounting seat 10 is fixed on finly filtration net 29 and the junction of coarse filtration net 27.
In conjunction with Fig. 6 and Fig. 7, blowdown room 26 is located at the side of blowdown dividing plate 23, and it is located at not homonymy with finly filtration room 25.Dirt sucking tube 1 one end being provided with mudhole 16 is arranged through blowdown dividing plate 23, and mudhole 16 connects with blowdown room 26.Hydraulic reverse flushing valve 32 and at least one urgent backwash valve 33 is offered on blowdown room 26.
When filtration, purification, liquid enters coarse filtration room 24 by water inlet, liquid carries out coarse filtration through coarse filtration net 27, outside oarse-grained impurity is trapped in, in liquid enters the working chamber 31 of finly filtration net 29 through installing rack subsequently, liquid again passes through finly filtration net 29 and carries out secondary filter, and the liquid after secondary filter is discharged by outlet 30 subsequently；
Along with the carrying out of filtration, purification, impurity builds up the side on finly filtration net 29 near dirt sucking tube 1, and therefore the both sides at finly filtration net 29 are the formation of a pressure reduction；When this pressure reduction (△ P) reaches the preset value in common pressure reduction indicator, automatic cleaning process will be started, water purification supply around here is not interrupted: opens hydraulic reverse flushing valve 32 and is discharged by water, hydraulic pressure in blowdown room 26 and soil pick-up chamber 2 significantly declines, between dirt sucking tube 1 and blowdown room 26, form a soil pick-up process from there through pollution-absorbing nozzle 3, and discharged by hydraulic reverse flushing valve 32；Meanwhile, motor 6 drives dirt sucking tube 1 to rotate vertically and axially moves back and forth, and improves clean range, speed and the effect on finly filtration net 29 further.
Claims (10)
1. a blowdown assembly, including dirt sucking tube (1) and the pollution-absorbing nozzle (3) that is located on dirt sucking tube (1), it is characterised in that one end of described dirt sucking tube (1) is connected with leading screw (4)；Motor (6) it is fixed with on described blowdown assembly, gear (5) it is rotatably connected on described motor (6), being rotatably connected to leading screw (4) on described gear (5), described motor (6) drives leading screw (4) axially rotate and axially move back and forth by gear (5).
Blowdown assembly the most according to claim 1, it is characterised in that described leading screw (4) is externally provided with shaft housing (8), the upper one end near dirt sucking tube (1) of described shaft housing (8) is at least provided with a travel switch (9)；When described leading screw (4) arrives travel switch (9) place, travel switch (9) receives signal and by electric control leading screw (4) direction of motion vertically.
Blowdown assembly the most according to claim 1, it is characterised in that described blowdown assembly also includes the mounting seat (10) being provided with installing hole (11), and described mounting seat (10) is located at the side on dirt sucking tube (1) away from leading screw (4)；It is fixing that described mounting seat (10) is provided with pipe axle (12), one end of described pipe axle (12) and dirt sucking tube (1), and its other end is arranged through installing hole (11).
Blowdown assembly the most according to claim 3, it is characterised in that be provided with through one end that installing hole (11) is arranged on described pipe axle (12) and limit the limited block (14) that pipe axle (12) skids off from installing hole (11).
Blowdown assembly the most according to claim 3, it is characterised in that be provided with soil pick-up chamber (2) in described dirt sucking tube (1)；The upper one end being connected with dirt sucking tube (1) of described pipe axle (12) stretches into soil pick-up chamber (2) setting and it is fixed with dirt sucking tube (1) by a bracer (15).
Blowdown assembly the most according to claim 3, it is characterised in that through one end scalable setting of scalable one-tenth that installing hole (11) is arranged on described pipe axle (12).
Blowdown assembly the most according to claim 1, it is characterised in that described pollution-absorbing nozzle (3) has multiple；Described pollution-absorbing nozzle (3) is equidistantly located on dirt sucking tube (1), the staggered both sides being located at dirt sucking tube (1) of adjacent pollution-absorbing nozzle (3).
Blowdown assembly the most according to claim 7, it is characterised in that the length of described pollution-absorbing nozzle (3) is different, and its axially becoming larger or diminishing along dirt sucking tube (1).
Blowdown assembly the most according to claim 1, it is characterised in that the upper side near gear (5) of described motor (6) is provided with keyway (34), and described gear (5) is provided with the shockproof key (7) coordinated with keyway (34).
10. an automatic backwashing filter, including finly filtration net (29), it is characterised in that be provided with the blowdown assembly as described in any one of claim 1-9 in described finly filtration net (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620301836.XU CN205516800U (en) | 2016-04-11 | 2016-04-11 | Blowdown subassembly and adopt automatic back flush filter of this blowdown subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620301836.XU CN205516800U (en) | 2016-04-11 | 2016-04-11 | Blowdown subassembly and adopt automatic back flush filter of this blowdown subassembly |
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| Publication Number | Publication Date |
|---|---|
| CN205516800U true CN205516800U (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620301836.XU Active CN205516800U (en) | 2016-04-11 | 2016-04-11 | Blowdown subassembly and adopt automatic back flush filter of this blowdown subassembly |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109045817A (en) * | 2018-09-29 | 2018-12-21 | 江苏电力装备有限公司 | A kind of transmission mechanism and filter mechanism |
| CN110465127A (en) * | 2019-08-08 | 2019-11-19 | 泰兴市光华石油化工机械制造有限公司 | A kind of backwashing pipeline filter |
| CN111774384A (en) * | 2020-07-12 | 2020-10-16 | 西南石油大学 | A kind of oil suction method of gas pipeline |
| CN116999933A (en) * | 2023-06-15 | 2023-11-07 | 华能国际电力江苏能源开发有限公司 | Water treatment mechanism for boiler water supply of thermal power plant |
-
2016
- 2016-04-11 CN CN201620301836.XU patent/CN205516800U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109045817A (en) * | 2018-09-29 | 2018-12-21 | 江苏电力装备有限公司 | A kind of transmission mechanism and filter mechanism |
| CN110465127A (en) * | 2019-08-08 | 2019-11-19 | 泰兴市光华石油化工机械制造有限公司 | A kind of backwashing pipeline filter |
| CN111774384A (en) * | 2020-07-12 | 2020-10-16 | 西南石油大学 | A kind of oil suction method of gas pipeline |
| CN111774384B (en) * | 2020-07-12 | 2022-03-18 | 西南石油大学 | Gas pipeline lubricating oil pumping method |
| CN116999933A (en) * | 2023-06-15 | 2023-11-07 | 华能国际电力江苏能源开发有限公司 | Water treatment mechanism for boiler water supply of thermal power plant |
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