CN103055571A - Self-driven sewage cleaning water filter - Google Patents

Self-driven sewage cleaning water filter Download PDF

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Publication number
CN103055571A
CN103055571A CN2013100019287A CN201310001928A CN103055571A CN 103055571 A CN103055571 A CN 103055571A CN 2013100019287 A CN2013100019287 A CN 2013100019287A CN 201310001928 A CN201310001928 A CN 201310001928A CN 103055571 A CN103055571 A CN 103055571A
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filter
sewage
pipe
self
water filter
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CN2013100019287A
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CN103055571B (en
Inventor
苏九逵
常进时
郭江
陈服军
刘万景
唐利剑
贾彦博
苏珊
张静
张志华
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苏九逵
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Publication of CN103055571B publication Critical patent/CN103055571B/en
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Abstract

The invention relates to a self-driven sewage cleaning water filter, which comprises an upper casing, a lower casing, an impeller speed adjuster, a rotating speed annunciator, a balance shaft, a filter screen component, a sewage discharge branch pipe, a micro-impeller and a sewage discharge pipe. According to the self-driven sewage cleaning water filter, the self-driven sewage cleaning and discharging function is realized; during sewage discharging, a sewage discharge valve on a sewage discharge pipe 3 is opened, so that the water filter is in a sewage cleaning and discharging working condition; a sewage discharge branch pipe 15 is driven by the impeller 4 to rotate, so that pipe orifices on two arms of the sewage discharge branch pipe 15 are sequentially communicated with the washed filter screens of units, sewage attached to the filter screens are backwards washed by clean water, and effluent is discharged through the sewage discharge pipe 3, so that automatic sewage cleaning and discharging function is realized; and when the sewage valve is closed, the branch pipe is full of static pressure water, the sewage cleaning and discharging working condition is ended, and the water filter is recovered to the normal filtering working condition. According to the self-driven sewage cleaning water filter, redundant water energy in the water filter is fully utilized to drive the micro-impeller to realize self-driving, so that the technical effects of saving energy and simplifying structure are achieved.

Description

Self-driven water filter
Technical field
The present invention relates to a kind of water filter, especially a kind of self-driven water filter.
Background technology
In the technical water supply system of power station, water filter is one of indispensable device, and its outlet hydraulic pressure, flow are had certain requirement, and the local head loss of water filter is important technical indicator.At present, be widely used the water filter in the built large and medium-sized power station technical water supply system at home and abroad, it mainly is the water filter among the Chinese patent ZL9411629.X, although this existing automatic water filter has the advantages such as water supply continous-stable, the loss of intrinsic overcurrent is little, filter screen anti-blocking performance is good, the blowdown process need provides extra power by motor but it is removed contamination, but in fact be not used with regard to unnecessary water energy is arranged in the water filter, this has just caused the waste of the energy.
Therefore, in order to improve the water energy utilization ratio of the water filter among the ZL94116229.X, the present invention proposes a kind of self-driven water filter.
Summary of the invention
Technical scheme of the present invention is:
A kind of self-driven water filter comprises upper shell 5, lower house 6, vane governor 7, Rotation rate signal device 8, trunnion shaft 9, net-filter assembly 10, blowdown breeches pipe 15, micro impeller 4 and blow-off pipe 3, it is characterized in that:
Upper shell 5 and lower house 6 are fastenedly connected, net-filter assembly 10, blowdown breeches pipe 15 and micro impeller 4 all are positioned at lower house, wherein water inlet pipe 1 is positioned at the lower house bottom and is lower than the position of micro impeller 4, and outlet pipe 2 is positioned at the top of lower house and facing to the position of net-filter assembly 10;
Net-filter assembly 10 is fixed in the lower house 6, comprise gland 102, inside and outside two coil unit filter screens 103 and chassis 101, inside and outside two coil unit filter screens 103 are clamped between gland 102 and the chassis 101, so that inside and outside two coil unit filter screens 103 are fixed on the respective through hole on chassis 101;
Blowdown breeches pipe 15 is positioned at the below of net-filter assembly 10, and it comprises fixed support 151, the thrust housing 153 on lower nozzle 152, two arms and two arms, spring 154 and U-shaped sealing ring 155; Wherein, fixed support 151 is positioned on the external rotation of breeches pipe, and its upper end is rigidly connected with the lower end of trunnion shaft 9; Lower nozzle 152 is connected with blow-off pipe 3 bearings, and micro impeller 4 is fastened on the lower nozzle 152; Thrust housing 153 on 15 liang of arms of blowdown breeches pipe props up chassis 101 by spring 154 and U-shaped sealing ring 155;
Trunnion shaft 9 upper ends extend to outside the upper shell 5, and vane governor 7, Rotation rate signal device 8 are positioned at outside the upper shell, and are installed in the upper end of trunnion shaft 9.
Preferably, the material of micro impeller 4 is the ABS engineering plastics.
Preferably, vane governor 7 is that a kind of lifting with adjustment trunnion shaft 9 reaches micro impeller 4 speed governing purpose frame for movements.
Preferably, vane governor 7 is the serrated nuts that are fixed on the upper shell 5, the closely-pitched external screw thread that is mated is attacked in relevant position, trunnion shaft 9 upper end, by spin balancing axle 9 it is moved up and down, thereby control the lifting of the blowdown breeches pipe 15 of its lower end connection, and then adjust the compression pretightning force of spring 154.
Adopted the water filter of said structure, the beneficial effect that has is:
1. utilize the press water by water filter self can drive the revolution of blowdown breeches pipe, realize automatic blowdown function, replace the electric reducer of input electric energy.
2. impeller is used under the special boundary condition in the water filter chamber.
3. utilize the way of adjusting the spring-compressed pretightning force to change impeller energy balance point, adjust blowdown breeches pipe rotating speed thereby reach.
Description of drawings
Fig. 1 is the generalized section of self-driven water filter of the present invention;
Fig. 2 be among Fig. 1 along A-A to generalized section;
Fig. 3 is the generalized section of net-filter assembly 10;
Fig. 4 is the schematic diagram of blowdown breeches pipe 15;
Fig. 5 is the schematic top plan view of blowdown breeches pipe among Fig. 4.
[description of reference numerals]
Water inlet pipe 1 outlet pipe 2
Blow-off pipe 3 micro impellers 4
Upper shell 5 lower houses 6
Vane governor 7 Rotation rate signal devices 8
Trunnion shaft 9 net-filter assemblies 10
Blowdown breeches pipe 15 chassis 101
Gland 102 inside and outside two coil unit filter screens 103
Fixed support 151 lower nozzles 152
Thrust housing 153 springs 154
U-shaped sealing ring 155
The specific embodiment
In order to make feature of the present invention more clear, disclose the specific embodiment of the present invention below with reference to accompanying drawing.
Self-driven water filter of the present invention has structure as shown in Figure 1, in upper shell 5 and the lower house 6 fastening filter chambers that form, net-filter assembly 10, blowdown breeches pipe 15 and micro impeller 4 is housed; Wherein water inlet pipe 1 is positioned at lower house 6 bottoms and is lower than the position of micro impeller 4, and outlet pipe 2 is positioned at the top of lower house 6 and facing to the position of net-filter assembly 10.
Below with reference to Fig. 1-Fig. 3, net-filter assembly 10 is fixed in the lower house 6, comprise gland 102, inside and outside two coil unit filter screens 103 and chassis 101, two circles water hole is as shown in Figure 2 arranged on the chassis 101, inside and outside two coil unit filter screens 103 are inserted in the groove of two circle water holes, the upper end of inside and outside two coil unit filter screens 103 is buckled with gland 102, can be bolted into an integral body between gland 102 and the chassis 101.And in order to guarantee sealing, also seal washer can be housed between filter screen and gland 102, filter screen and the chassis 101.Inside and outside two coil unit filter screens 103 are clamped between gland 102 and the chassis 101, so that inside and outside two coil unit filter screens 103 are fixed on the respective through hole on chassis 101; The cross section of the circle water hole of two on the chassis 101 can be various rational shapes, such as circle, polygon etc.
Below with reference to Fig. 1, Fig. 4 and Fig. 5, blowdown breeches pipe 15 is positioned at the below of net-filter assembly 10, and it comprises fixed support 151, the thrust housing 153 on lower nozzle 152, two arms and two arms, spring 154 and U-shaped sealing ring 155.Two arms of blowdown breeches pipe 15 are " Y " shape, and the two ends centre-to-centre spacing of arm does not wait.U-shaped sealing ring 155 is between thrust housing 153 and upper orifice, the up and down two ends difference seat of spring 154 is between the boss of thrust housing 153 and mouth of pipe outlet, thereby make the upper surface of the thrust housing 153 on 15 liang of arms of blowdown breeches pipe prop up chassis 101, the respectively two circle water holes with chassis 101 suitable for reading of thrust housing 153 are relative, and the aperture is identical.Fixed support 151 is positioned on the external rotation of breeches pipe, and its upper end is rigidly connected with the lower end of trunnion shaft 9; Lower nozzle 152 is connected with blow-off pipe 3 bearings, and micro impeller 4 is fastened on the lower nozzle 152.
Like this, its two arms thrust housing, 153 upper surfaces then were close to filter screen chassis 101 and are done circumferential fricting movement when " Y " shape blowdown breeches pipe 15 rotated, its two mouths of pipe above two arms can only be at the same time outside an interior coil unit filter screen and/or one the coil unit filter screen, and create the chance of the flushing that refluxes for it.Suppose that inner ring has M unit filter screen, there is N unit filter screen the outer ring, wherein only has at most 2 unit filter screens in flushing, and all the other M+N-2 unit filter screens are still carrying out normal filtration work.The screen area that operating self-driven water filter is cleaned only accounts for 2/ (M+N) of work screen area, the area of filter screen and the ratio of work screen area have been reduced to be cleaned, thereby cleaning amount and the water consumption of removing contamination have been reduced, also reduced the water pressure fluctuations amplitude of water filter outlet pipe 2 when clear blowdown of on-line operation, so can guarantee the stability of water filter operation.
Micro impeller 4 among Fig. 1 is that its principle is equivalent to the runner of the Minisize axial streaming hydraulic turbine by the revolvable impeller of water.The upper and lower of impeller is that the import and export of blade forms certain poor h of current specific energy, and is exactly the water supply flow of water filter by the flow q of impeller.Like this, impeller just produces the power that is applied on the impeller under water filter water can act on, and its size is N=9.81qh η (KW), and η is impeller adiabatic efficiency in the formula.This power is the waterpower operand power that this water filter is realized blowdown.And the axle head torque of impeller is M=102N/ ω (Kgm), and ω is the angular velocity of rotation of impeller in the formula.As seen, the major parameter that affects the angular speed size is M, and secondly q and h are the efficient of impeller.
In order to improve the impeller adiabatic efficiency η of this water filter, should reduce volumetric loss, mechanical loss and hydraulic loss, therefore, should guarantee during design: the end clearance of the inwall of water filter lower house 6 and micro impeller 4 is as far as possible little, and the blade of micro impeller should have good hydrodynamic performances.And the material of micro impeller 4 can be the ABS engineering plastics, because this material has good combination property: impact strength is high, good rigidly, good stability of the dimension, wearability is good, chemical proof is high, is widely used in mechanical industry (gear, auto parts machinery, aircraft, electrical instrumentation industry, bellows etc.) at home and abroad.Owing to having good mechanical strength and toughness, also being widely used in construction material.
The micro impeller 4 of design rotates at a slow speed according to the hydrodynamics rule under the effect of press water like this, and together rotates by lower nozzle 152 drive blowdown breeches pipes 15 and trunnion shaft 9.
Trunnion shaft 9 upper ends extend to outside the upper shell 5, and vane governor 7, Rotation rate signal device 8 are positioned at outside the upper shell, and are installed in the upper end of trunnion shaft 9.
Vane governor 7 is that a kind of lifting with adjustment trunnion shaft 9 reaches micro impeller 4 speed governing purpose frame for movements.At mechanical field, the mode of the lifting of this control lever is a lot, for example: vane governor 7 can be the serrated nut that is fixed on the upper shell 5, the closely-pitched external screw thread that is mated can be attacked in relevant position, trunnion shaft 9 upper end, by spin balancing axle 9, control the lifting of the blowdown breeches pipe 15 of its lower end connection, and then the compression pretightning force of adjustment spring 154, thereby the frictional resistance moment of regulating 101 on thrust housing 153 and chassis makes it the driving moment of balance micro impeller 4, so that blowdown breeches pipe 15 uniform rotation under satisfied rotating speed.Nut shape can be any form shape, such as six square nuts, gaily decorated basket nut, square, cylindrical etc.And preferably, first is highly temporary fixed to be used as for hexagon for the profile of nut herein, and second is highly for cylindrical and be stationary fit with bearing inner race forward.Stability when bearing can select radial-thrust bearing to rotate with assurance trunnion shaft 9.Certainly, vane governor 7 also can adopt other common form except adopting one group of above-mentioned fine thread mechanism, for example the form of fastening cutting ferrule is come moving up and down of adjustment axle 9, finally to reach speed governing purpose (because this structure is common structure, repeating no more) herein.
8 of Rotation rate signal devices can gather trunnion shaft 9, the rotating speed of micro impeller 4 namely, for the speed governing reference.
The upper and lower casing of this self-driven water filter, with spheroidal graphite cast-iron or stainless steel manufacturing, smooth surface, good looking appearance, corrosion resistance is good.
Water filter of the present invention has two kinds of operating conditions, and namely normal filtration operating mode and clear blowdown operating mode describe these two kinds of operating modes below in conjunction with accompanying drawing.
(1) normal filtration operating mode
Sewage draining valve on the blow-off pipe 3 is closed, and water filter enters the normal filtration operating mode.At this moment, press water enters in the water filter lower house 6 via water inlet pipe 1, and enters inside and outside two coil unit filter screens 103152 by the through hole on the chassis 101, and dirt is stayed each unit filter screen inwall, and clean water then enters water system by outlet pipe 2.In this course, impeller 4 rotates at a slow speed according to the hydrodynamics rule under the effect of press water, and together rotates by lower nozzle 152 drive blowdown breeches pipes 15 and trunnion shaft 9.Although be full of press water in the blowdown this moment breeches pipe 15, because sewage draining valve is closed, the dirt in rotary course in each filter screen can not be discharged from yet.
(2) clear blowdown operating mode
Sewage draining valve on the blow-off pipe 3 is opened, and water filter enters clearly blowdown operating mode.Blowdown breeches pipe 15 rotates under the drive of impeller 4, and the mouth of pipe of its two arm is communicated with successively with each the unit filter screen that is rinsed, and the dirt that is attached on the filter screen recoils by clean water, and sewage is discharged through blow-off pipe 3, realizes the automatic pollutant removal dirt eliminating function.Blowoff valve cuts out, and breeches pipe is full of static pressure water, and the blowdown operating mode of removing contamination finishes, and water filter returns to again the normal filtration operating mode.
The electrical control division of this water filter belongs to the common practise of this area, specifically can be with reference to Chinese patent ZL9411629.X, and the present invention focuses on the improvement on the frame for movement, so electric part repeats no more.
Adopt self-driven water filter of the present invention to have the following advantages:
(1) energy-conservation: industry water filter is widely used in chemical industry, printing and dyeing, papermaking, the fields such as steel-making, the power station technical water supply system must have equipment especially, take pipe of reinforced concrete at Three Gorges Power Station as example, eight units that not very are about to newly increase, the single-machine capacity that has put into operation is 26 of the units of 700,000 kw, use large-scale water filter more than 70 platforms, with 71 meters calculating of unit operation head, water filter water can be wasted and reach more than 660,000 kw.h in 1 year, the above power station of built installed capacity 500,000 kw of China has more than 40 still more, and such as in, the Yun Feng power station of installation 400,000 kw that build jointly towards two countries, the install middle-size and small-size power stations such as red stone power station of 200,000 kw, Jilin spread all over number in all parts of the country in the hundreds of seat.This shows that the water of for no reason wasting by water filter can should be taken seriously really throughout the year.After self-driven water filter puts goods on the market, not only to the from now on development of aquatic resources, planning to build, have Important Economic to be worth building the power station, is exactly very necessary to the replacement of Built hydropower station water filter.Waterpower resourses are green energy resources, and the nowadays whole world contention energy is fierce, and the energy is lifeline to develop national economy, and is energy-conservation very important.
(2) technical field of hydraulic has been expanded in the use of micro impeller in the water filter chamber.
(3) water filter of the present invention is not owing to needing additionally to arrange motor and deceleration device as power source, therefore in conventional maintenance, avoid removing and returning the loaded down with trivial details of dress motor, deceleration device, also can avoid deceleration device regular leakage of oil simultaneously, and the pollution that environment is produced.
Below the present invention is described in detail, only the above person only is preferred embodiment of the present invention, when not limiting scope of the invention process.Be that all equalizations of doing according to the present patent application scope change and modify etc., all should still belong in the patent covering scope of the present invention.

Claims (4)

1. self-driven water filter, comprise upper shell (5), lower house (6), vane governor (7), Rotation rate signal device (8), trunnion shaft (9), net-filter assembly (10), blowdown breeches pipe (15), micro impeller (4) and blow-off pipe (3), it is characterized in that:
Upper shell (5) and lower house (6) are fastenedly connected, net-filter assembly (10), blowdown breeches pipe (15) and micro impeller (4) all are positioned at lower house, wherein water inlet pipe (1) is positioned at the lower house bottom and is lower than the position of micro impeller (4), and outlet pipe (2) is positioned at the top of lower house and facing to the position of net-filter assembly (10);
Net-filter assembly (10) is fixed in the lower house (6), comprise gland (102), inside and outside two coil unit filter screens (103) and chassis (101), inside and outside two coil unit filter screens (103) are clamped between gland (102) and chassis (101), so that inside and outside two coil unit filter screens (103) are fixed on the respective through hole of chassis (101);
Blowdown breeches pipe (15) is positioned at the below of net-filter assembly (10), and it comprises fixed support (151), the thrust housing (153) on lower nozzle (152), two arms and two arms, spring (154) and U-shaped sealing ring (155); Wherein, fixed support 151 is positioned on the external rotation of breeches pipe, and its upper end is rigidly connected with the lower end of trunnion shaft 9; Lower nozzle (152) is connected with blow-off pipe (3) bearing, and micro impeller (4) is fastened on the lower nozzle (152); Thrust housing (153) on blowdown breeches pipe (15) two arms props up chassis (101) by spring (154) and U-shaped sealing ring (155);
Trunnion shaft (9) upper end extends to outside the upper shell (5), and vane governor (7), Rotation rate signal device (8) are positioned at outside the upper shell, and are installed in the upper end of trunnion shaft (9).
2. self-driven water filter as claimed in claim 1, be further characterized in that: the material of described micro impeller (4) is the ABS engineering plastics.
3. self-driven water filter as claimed in claim 1 is further characterized in that: vane governor (7) is a kind ofly to reach micro impeller (4) speed governing purpose frame for movement with the lifting of adjusting trunnion shaft (9).
4. self-driven water filter as claimed in claim 3, be further characterized in that: vane governor (7) is the serrated nut that is fixed on the upper shell (5), the closely-pitched external screw thread that is mated is attacked in relevant position, trunnion shaft (9) upper end, by spin balancing axle (9) it is moved up and down, thereby control the lifting of the blowdown breeches pipe (15) of its lower end connection, and then adjust the compression pretightning force of spring (154).
CN201310001928.7A 2013-01-06 2013-01-06 Self-driven water filter Expired - Fee Related CN103055571B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105555386A (en) * 2013-09-06 2016-05-04 奥尔肯伯里韦斯顿有限公司 Filtration apparatus
CN106582089A (en) * 2016-11-24 2017-04-26 洛阳双瑞金属复合材料有限公司 Hydraulic driven automatic self-cleaning filter
CN107638726A (en) * 2017-05-31 2018-01-30 河南龙成煤高效技术应用有限公司 A kind of fluid filter
CN111609975A (en) * 2020-04-29 2020-09-01 中船澄西船舶修造有限公司 Environment-friendly clean integrated ship main and auxiliary engine pressure test system

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CN2139849Y (en) * 1992-11-24 1993-08-11 陈聪海 Automatic countercurrent washing water strainer
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CN101028572A (en) * 2006-02-27 2007-09-05 黄樟焱 Microporous ceramic filter
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CN102107100A (en) * 2009-12-25 2011-06-29 天津富斯特环保设备有限公司 Differential-pressure swirl-type backwashing filtration system
CN102343174A (en) * 2011-09-30 2012-02-08 自贡市华瑞过滤设备制造有限公司 Combined automatic decontamination water filter
CN102794044A (en) * 2012-08-26 2012-11-28 河北农业大学 Multi-filter cylinder automatic backwashing filter apparatus
CN202983351U (en) * 2013-01-06 2013-06-12 苏九逵 Self-driven cleaning water filter

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2139849Y (en) * 1992-11-24 1993-08-11 陈聪海 Automatic countercurrent washing water strainer
CN2875559Y (en) * 2006-02-24 2007-03-07 河北科技大学 Back flushing lamination type filter for microfilling
CN101028572A (en) * 2006-02-27 2007-09-05 黄樟焱 Microporous ceramic filter
CN101403549A (en) * 2008-10-13 2009-04-08 北京瑞宝利热能科技有限公司 Intelligent sullage anti-block machine
CN102107100A (en) * 2009-12-25 2011-06-29 天津富斯特环保设备有限公司 Differential-pressure swirl-type backwashing filtration system
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105555386A (en) * 2013-09-06 2016-05-04 奥尔肯伯里韦斯顿有限公司 Filtration apparatus
CN105555386B (en) * 2013-09-06 2017-03-29 奥尔肯伯里韦斯顿有限公司 Filter
CN106582089A (en) * 2016-11-24 2017-04-26 洛阳双瑞金属复合材料有限公司 Hydraulic driven automatic self-cleaning filter
CN107638726A (en) * 2017-05-31 2018-01-30 河南龙成煤高效技术应用有限公司 A kind of fluid filter
CN107638726B (en) * 2017-05-31 2023-06-13 河南龙成煤高效技术应用有限公司 Fluid filter
CN111609975A (en) * 2020-04-29 2020-09-01 中船澄西船舶修造有限公司 Environment-friendly clean integrated ship main and auxiliary engine pressure test system

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