Device for filtering liquids

专利摘要:

公开号:SU1232126A3
申请号:SU823420425
申请日:1982-04-02
公开日:1986-05-15
发明作者:Экабер Жак；Эйе Ги
申请人:Сосьете Д,Эксплуатасьон Дез Этаблиссман Реллюмикс (Фирма)；
IPC主号:

专利说明:

12
This invention relates to the filtration of liquids, namely engine oils and fuels.
The purpose of the invention is to increase the service life of the installation by increasing the water hammer.
FIG. 1 shows the proposed installation, section; in fig. 2 — node I in FIG. 1 (in a perspective view); in fig. 3 - filter cartridge with outliers; in fig. 4 - node II in figure 3; in fig. 5 - retaining device, incision; in fig. 6 shows the node III in FIG. 1 in FIG. 7 shows section A-A in FIG. 6
The installation contains a filter 1, including a housing 2, divided by height by a partition 3 on the filtrate chamber 4 and the receiving chamber 5, filter cartridges 6 placed in the filtrate chamber and closed.in one end, and open; The end of the baffles 3 fixed in the holes, the hollow shaft 7 placed in the receiving chamber 5 with the hollow lever 8 having means 9 connecting one of the filter cartridges to the pressure line to create a water hammer. The installation has a suction pump 10 installed on the pressure line, and the means for connecting one of the filter cartridges to the pressure line are made in the form of a plate 11 with an opening 12, which is connected to the cavity of the shaft 7,
at the same time the plate has a site for
overlap the open end of one of
filter cartridges before connecting the latter to the cavity of the shaft, the hole 12 of the plate is closed by a septum 3. The oil flow regulator 13 is installed on the pressure line, made in the form of a cylindrical body 14 with an elastic membrane 15, the cavity of which is connected to the compressed air line 16. The regeneration indicator 17 has a fixedly mounted axis with a pointer 18, a valve 19 placed at the outlet, to which a cleaning centrifuge 20 is connected.
The drive motor 21 serves to drive the rotation of the hollow shaft 7 with the hollow lever 8, the end of which through the opening 12 in the plate 11 is aligned alternately with each open end of the filter cartridge 6.
Each filter cartridge 6 includes a tubular metal perforated frame 22, coated with filter 0
five
one
five
0
five
0
five
0
five
26-2
The guide plate 23 with a sheath 24 wrapped with metal wire 25. The plate 11 moves along the lower part of the partition 3 in a circle and has a length that greatly exceeds the sum of the diameters of the hole 12 and the hole of the partition 3 so that when part of the plate 11 finds and completely closes the entrance to the filter cartridge, the hole 12 is completely closed.
The lower part of the hollow shaft 7 communicating with the lower part of the oil flow regulator 13 is connected to the inlet 26 of the pump 10, the injection port of which is connected to the regeneration indicator 17, the outlet 27 of which is connected to the cleaning centrifuge 20.
The indicator 17 is regenerative and consists of a hollow body 28 having, for example, a cube shape, open on one side and bounding the chamber 29, through which 30 is passing with a spring 31. On the axis 30 there is a back- slash 32 so as to cover the hole 33, made in the housing wall opposite to the open end of the housing. The axis 30 has a protrusion located on the outside of the housing 28, and a pointer 18 is fixed at its end. The filter cartridge 6 has a sleeve 34 at the open end and is installed in its annular groove, while a sealing gasket 35 is provided on the sleeve, the opposite end of the filter cartridge has a cap 36 formed with a central recess 37. Outside of the screw, the compression spring 38 abuts against the bottom 39 of the cap 36.
For better retention of the filtering web 23, which, under pressure, presses against the frame 22, the diameter and the distance between the holes are such that they effectively keep the filter web 23 on the frame 22. The holes on the frame 22 have a diameter of 2 mm and the distance between them is 4 mm. The sheath 24 includes weft yarns, the diameter of which is twice the diameter of the main yarns. Preferably, the diameter of the weft threads is 0.4 mm, and the diameter of the main threads is 0.2 mm. The metal wire 25 is spirally wound, with the turns of the helix relatively close to each other.
The bottom end of the sleeve 34 is sealed with a gasket 35 at the upper end of the retaining device 40. The retaining device 40 includes a hollow body 41, one end of which has an inner diameter corresponding to the outer diameter of the end of the sleeve 34.
The housing 41 has a bore in which a screw spring of compression 42 is installed, one end of which rests against the inner end of the bore 43 and the opposite end of the bristle of the cross-section guide body 44. At the end of the guide body 44, a plug 45 is fixed, fastened with a bolt 46 and intended for a hermetic abutment through the gland 47 into the annular seat 48 formed inside the housing 41.
The end of the housing 41 behind the plug 45 is intended for hermetic fastening in the opening of the partition 3.
This entire assembly is a valve designed so that the end of the guide organ 44 is lowered, overcoming the force of the spring 42, when the end 49 of the filter cartridge 6 is inserted and fixed in the housing 41, with the result that the plug 45 leaves the socket 48, opening a message between the internal cavity of the filter cartridge 6 and the opening of the partition 3.
The bottom surface of the partition 3 is polished to interact tightly with the upper surface of the plate 11.
The installation works in the following way.
Fluid, such as waste oil from a diesel engine, is pumped under pressure to the receiving chamber 5. Since the rotating hollow lever 8 through the means 9 is in contact with the inner surface of the partition 3 directly under one of its openings, communicating with one the filter cartridge 6, the internal cavity of the other 1x filter cartridges 6 freely communicates with the receiving chamber 5 and the oil under pressure passes through the holes in the pere- 55 town 3.
The contaminated oil passes through the openings of the frame 22 and is filtered.
j 0
50
five
about
five
0
5 0 5
a passage through the filter sheet 23 and the casing 24. The oil passing through the filter cartridges 6 fills the filtrate chamber 4, from where it is fed back to the engine.
The hollow shaft 7 with the flow regulator 13, the lever 8 and the means 9 is driven in rotation by the engine 21 so that the opening 12 of the plate 11 is alternately aligned with each opening of the partition 3.
The pump 10 operates continuously and creates a vacuum in the flow controller 13 and the lever 8. This vacuum exists for exactly as long as the hole 12 of the plate 11 is closed as a result of the contact of the plate 11 with the partition 3 between adjacent holes of the latter.
Immediately before aligning the opening 12 with the opening of the partition 3, the adjacent opening of the partition 3 is closed with a solid part of the plate 11. At this point, the corresponding filter cartridge 6 becomes isolated from the receiving chamber 5, into which contaminated oil under pressure is fed, and the pressure drops through the 5 wall This cartridge instantly disappears. Since at this moment there is no pressure directed from the inside to the outside of the filter cartridge, the contaminants are no longer pressed against the filter cartridge.
As the lever 8 continues its rotation, the opening 12 in the plate 11 is aligned with the hole in the partition 3. Then, in the internal cavity of the filter cartridge 6, a negative pressure is created, which takes place in the lever 8 as a result of the suction action of the pump 10.
As a result of a sharp water hammer, the contaminants retained inside the filter cartridge 6 are detached and removed through the regulator 13 and the regeneration indicator 17, entering the centrifuge 20 together with the flow of oil under the action.
The filter cartridges 6 are cyclically and alternately subjected to the action of a water hammer, which occurs each time the hole 12 is aligned with one of the openings of the partition 3. This water hammer is directed from the inside of the filtrate chamber 4 through
51232
filter cartridge 6 and removes contaminants through hollow lever 8.
The oil stream that carries the contaminants is thrown out in successive portions. The oil containing the 5 g of knowledge and injected by the pump moves the plug 45, turning the axis 30 and, consequently, the pointer 18, which makes swinging movements,
In the cleaning centrifuge 20 masgg.Yu should flow in a continuous stream. For this purpose, the flow controller 13 is pre-charged with compressed air that is fed through line 16 of compressed air, inflates the membrane 15, thus constricting the flow area. When the flow of oil from the contaminants coming from the filter cartridges 6 enters the regulator, the pressure of this stream rejects the membrane 15, the membrane flexibly departs under the pressure of oil, and the internal one increases the volume of the regulator, as a result of which the pressure waves of the oil flow coming from the filter cartridge,
Thus, when the plant is operating satisfactorily, the pointer 18 does not swing under the action (successive portions of oil under JQ pressure coming from the filter cartridges, but occupies some average approximately stable position, which indicates good continuous filtration and a steady flow of oil into the cleaning centrifuge The purification centrifuge can therefore work normally and the purified oil is sent back to the engine.
From the operation of the device, it follows that in the initial phase all filter cartridges, except for one, are used to filter the oil,
An important advantage of the proposed
35
40
45
installation is the presence of valves installed between the partition and the filter cartridges, with devices for automatic opening at the time of installation of the filter cartridge in place and automatic closing when removing the filter
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five
0
five
0
26-6
go patron. Thus, if necessary, for example, if one filter cartridge is damaged, you can dismantle it for repair and immediately restart the installation, since the corresponding holes in the partition 3 are automatically closed with a valve. During operation, when the tool 9 is aligned with the hole closed from - due to the absence of a filter cartridge, a single phase of the working cycle takes place. Since the pressure in the receiving chamber 5 is higher than the pressure in the filtrate chamber 4, the plug 45 automatically presses against the seat, closing the opening.
The spring force is large enough to hold the valve in the closed position when the orifice is aligned with the orifice 12 and communicates with the pump 10,
The result of this direction of cleaning from the outside to the inside is that forces acting on the filter sheet 23, the direction of application of which alternate: during filtering, they remove the filter sheet 23 from the frame 22, and at the time of cleaning they press
When the filter sheet departs from the frame 22, it is held by the sheath 24 when the pressure drops to 3-5 bar and the temperature of the filtered liquid reaches 50 C. Above this temperature, the plastic warp and weft threads do not have sufficient resistance, therefore metal wire 25 is provided,
Due to the presence of the upper valve 36 with the spring 38, each of the filter cartridges can be easily installed and held in the installation, resting against the upper part of the valve body. In this case, the spring 38 abuts the installation cover and holds the filter cartridge in place.
It should be noted that the vacuum created between the pump and the filter cartridge increases the pressure difference acting on the filter sheet from the inside and outside.
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Editor I.Rybchenko Tehred V.Kadar
Order 2664/60 Circulation 663 Subscription
.VNIIPI USSR State Committee
for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5
Production and printing company, Uzhgorod, Projecto st., 4
fi9-7
Proofreader M.Maksimishinets

权利要求:
Claims (5)
[1]
1. INSTALLATION FOR FILTRATION OF LIQUID, containing a filter, including a housing, divided by height by a baffle into a filtrate chamber and a receiving chamber, filter cartridges placed in a circle in the filtrate chamber and closed at one end, and with an open end fixed in the bore holes, a hollow shaft, placed in the receiving chamber with a hollow lever having means for connecting one of the filter cartridges to the pressure line to create a water hammer, characterized in that, in order to increase the service life of the installation, it is reinforced Water hammer, the installation is equipped with a suction pump mounted on the pressure line, and the means for connecting one of the filter cartridges to the pressure line are made in the form of a plate with an opening that is connected to the shaft cavity, and the plate has a section for overlapping the open end of one of the filter cartridges before connecting the latter to the shaft cavity.
[2]
2. Installation pop. ^ characterized in that it is equipped with an oil flow regulator mounted on the pressure line, made in the form of a cylindrical body with an elastic membrane, the cavity between which is connected to the compressed air line.
[3]
3. Installation according to π. 1, characterized in that it is equipped with a regeneration indicator, including a valve fixedly mounted on the axis with a pointer, located at the output of the regulator.
[4]
4. Installation according to paragraphs. 1-3, characterized in that the filter cartridge is made in the form of a tubular metal perforated frame, covered with a filter cloth with a sheath wrapped in a metal wire.
[5]
5. The device according to p. 4, characterized in that the shell contains an annular weft thread, the diameter of which is two times the diameter of the warp.
SUm, 1232126> sy
1 12321

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法律状态:

优先权:

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申请号 | 申请日 | 专利标题

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FR8106722A|FR2502970B1|1981-04-03|1981-04-03|FLUID FILTERING PROCESS AND APPARATUS FOR CARRYING OUT SAID METHOD|

---