CN214019538U - Liquid filtering device - Google Patents

Abstract

The utility model discloses a liquid filtering device, comprising a main body, the main part outside-in includes casing, first cartridge filter, second cartridge filter and inner tube in proper order, is equipped with first water conservancy diversion leaf on the first cartridge filter, still is equipped with the filtration mesh hole on the first cartridge filter, forms first liquid cyclone separation chamber between casing and the first cartridge filter, forms passageway with higher speed between first cartridge filter and the second cartridge filter, forms second liquid cyclone separation chamber between second cartridge filter and the inner tube, is equipped with delivery port and water inlet on the casing, and liquid carries out a lot of under the centrifugal force effect in the device and filters. The utility model discloses a liquid filter equipment who obtains has following advantage: good filtering effect, difficult blockage and self-cleaning.

Description

Liquid filtering device

Technical Field

The utility model relates to a liquid filtering device.

Background

In the prior art, a pre-filter is generally arranged on a water inlet pipeline in a water purification treatment technology to filter solid particle impurities in water. This kind of prefilter has the direct filtration of filter screen formula, with the direct interception of solid particle in the filter screen front side, this filter equipment simple structure, it is convenient to set up, and characteristics are that filter screen front end particle impurity piles up the back increase resistance to water, block up the water intake pipe easily, if the grit that will clear away the filter screen need unpack apart the water intake pipe, take off the filter screen and clear away, and the simple filtration large granule impurity of this kind of filter equipment knowledge, the filter effect is general.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the technical deficiencies and providing a liquid filtering device that the filter effect is good, difficult jam and ability automatically cleaning.

In order to achieve the purpose, the utility model provides a liquid filtering device, comprising a main body, main part outside-in includes casing, first cartridge filter, second cartridge filter and inner tube in proper order, is equipped with first water conservancy diversion leaf on the first cartridge filter, still is equipped with the filter mesh hole on the first cartridge filter, forms first liquid cyclone separation chamber between casing and the first cartridge filter, forms passageway with higher speed between first cartridge filter and the second cartridge filter, forms second liquid cyclone separation chamber between second cartridge filter and the inner tube, is equipped with delivery port and water inlet on the casing.

In order to improve the rotating speed of the liquid, the inner cylinder is provided with a second guide vane.

In order to improve the impurity collecting effect, a dust collecting barrel is arranged at the bottom of the first filtering barrel.

In order to improve the fixing effect, a raised first fixing ring is arranged at the bottom of the shell and is matched and fixed with the lower end of the dust collecting cylinder.

In order to improve the liquid rotation speed and the impurity collecting effect, a third guide vane is arranged on the second filter cartridge, the shell comprises a top cover and a shell, a water isolating ring is further arranged in the top cover, and a partition plate is arranged on the outer side of the dust collecting cylinder.

In order to improve the fixing effect, the bottom of the shell is provided with a second fixing ring, and the bottom of the partition plate is provided with a clamping groove matched with the second fixing ring.

In order to improve the filtering effect, the sectional area of the upper end of the second filter cylinder is gradually reduced towards the lower end.

In order to improve the rotating speed, the rotating directions of the first guide vane and the second guide vane are the same, and the rotating directions of the third guide vane and the first guide vane are opposite.

In order to improve the filtering efficiency, the number of the second filter cartridges comprises one or more than one, and the inner cylinder is provided with cylindrical lower ends with the same number as the second filter cartridges.

In order to separate each filter unit into independent filter systems and improve the filtering effect, the number of the second filter cartridges is more than one, the center of the first filter cartridge is upwards convex, and the second filter cartridges are distributed around the center.

In order to improve the filtering effect, the number of the reinforced filtering components which are arranged between the second filtering cylinder and the inner cylinder from outside to inside is one or more than one.

In order to improve the filter effect, strengthen the filter component including strengthening cartridge filter and draft tube, strengthen the cartridge filter setting in the draft tube, the draft tube top is connected with the inner tube, forms the inner channel between draft tube and the enhancement cartridge filter, strengthens the filter bottom and seals formation impurity holding department, strengthens the interior formation of cartridge filter and strengthens the liquid cyclone separation chamber.

In order to improve the liquid rotation speed, the guide cylinder is provided with reinforced guide vanes, and the reinforced filter cylinder is provided with additional rotation guide vanes.

The utility model also provides a pair of liquid filtration method, including adopting the two-stage filtration, carry out the first order with liquid through adding the back of spiraling and filter, the impurity in the high-speed rotatory liquid outwards removes under the centrifugal force effect in the first order is filtered, and liquid after the first order is filtered flows to the center along one-way channel after passing through the filter screen, and liquid adds the back of spiraling in one-way channel and gets into the second level and filter, and liquid after the filtration flows along one-way channel.

The utility model also provides a liquid filtering method, its step is as follows:

the first step is as follows: liquid flows in from the water inlet, first filtration is carried out in the first liquid cyclone separation cavity, impurities in the high-speed rotating liquid are separated out under centrifugal force, and the filtered liquid enters the acceleration channel through the filter meshes;

the second step is that: liquid enters the second liquid cyclone separation cavity for secondary filtration after accelerated rotation through the acceleration channel, the liquid is in a high-speed rotation state through the rotation, the residual impurities are separated out under centrifugal force, and the filtered liquid is discharged through the water outlet.

In order to improve the filtering efficiency, the second filtering in the second step is simultaneously performed in the same number of regions as the second filter cartridges.

In order to improve the filtering effect, after the second filtering in the second step, the filter is further filtered through the reinforced filtering component.

The utility model provides a liquid filtering device and method has following advantage: good filtering effect, high efficiency, difficult blockage and self-cleaning.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is a schematic structural diagram of embodiment 2 of the present invention;

fig. 3 is a schematic structural diagram of embodiment 3 of the present invention;

fig. 4 is a sectional view of an inner tube according to embodiment 3 of the present invention;

fig. 5 is a schematic structural diagram of embodiment 4 of the present invention.

In the figure: the filter comprises a main body 1, a shell 2, a first filter cartridge 3, a second filter cartridge 4, an inner cartridge 5, a first guide vane 6, a filter mesh 7, a first liquid cyclone separation chamber 8, an accelerating passage 9, a second liquid cyclone separation chamber 10, a water outlet 11, a water inlet 12, a second guide vane 13, a dust collection cartridge 14, a first fixing ring 15, a third guide vane 16, a top cover 17, a shell 18, a water-proof ring 19, a partition plate 20, a second fixing ring 21, a clamping groove 23, a lower end 24, a bulge 25, a reinforced filter assembly 26, a reinforced filter cartridge 27, a guide drum 28, an inner passage 29, a containing part 30, a reinforced liquid cyclone separation chamber 31, a reinforced guide vane 32 and a rotary guide vane 33.

Detailed Description

In order to clearly understand the technical solution of the present invention, the present invention is further illustrated by the following embodiments in combination with the accompanying drawings.

Example 1:

the liquid filtering device provided by the embodiment, as shown in fig. 1, includes a main body 1, the main body 1 includes a housing 2, a first filter cartridge 3, a second filter cartridge 4 and an inner cartridge 5 in sequence from outside to inside, a first guide vane 6 is disposed on the first filter cartridge 3, a filter mesh 7 is further disposed on the first filter cartridge 3, a first liquid cyclone separation chamber 8 is formed between the housing 2 and the first filter cartridge 3, an acceleration passage 9 is formed between the first filter cartridge 3 and the second filter cartridge 4, a second liquid cyclone separation chamber 10 is formed between the second filter cartridge 4 and the inner cartridge 5, and a water outlet 11 and a water inlet 12 are disposed on the housing 2.

Through the design, when in use, liquid enters from the water inlet 12, the translational kinetic energy is converted into rotational kinetic energy through the first flow guide vane 6 and then enters the first liquid-cyclone separation chamber 8, silt or impurities with larger mass in the liquid are separated under the action of centrifugal force, the separated impurities sink to the bottom of the shell 2, the liquid after filtering the impurities enters the first filter cylinder 3 through the filter mesh 7, the liquid flow rotating at high speed can carry away the impurities on the filter mesh 7 to prevent the impurities from being blocked, because only the acceleration channel 9 is arranged between the first filter cylinder 3 and the second filter cylinder 4, the liquid can only flow upwards through the acceleration channel 9 under the action of inflow pressure and flows into the second liquid-cyclone separation chamber 10 from the upper end, micro impurities or sand dust in the second liquid-cyclone separation chamber 10 are separated under the action of centrifugal force, the separated impurities sink to the bottom of the shell 2, and the impurities at the bottom of the shell 2 are trapped by high pressure generated by the high-speed rotating liquid, the liquid which is not mixed into the liquid at the upper end again passes through the inner cylinder 5 after impurities are filtered, and finally flows out through the water outlet 11.

The device can effectively self-clean through the high-speed flowing and rotation of liquid, does not need frequent cleaning, and a flow channel cannot be blocked by impurities, so that the flow speed and the pressure of the liquid flowing through the device cannot be reduced sharply.

Example 2:

in order to increase the rotation speed, as shown in fig. 2, in the liquid filtering apparatus provided in this embodiment, in addition to the features described in embodiment 1, a second guide vane 13 is disposed on the inner cylinder 5.

In order to improve the impurity collecting effect, a dust collecting cylinder 14 is arranged at the bottom of the first filter cylinder 3.

In order to improve the fixing effect, a raised first fixing ring 15 is arranged at the bottom of the shell 2, and the first fixing ring 15 is matched and fixed with the lower end of the dust collecting cylinder 14.

In order to improve the liquid rotation speed and the impurity collecting effect, the second filter cartridge 4 is provided with a third guide vane 16, the housing 2 comprises a top cover 17 and a shell 18, the top cover 17 is further provided with a water isolating ring 19, and the outer side of the dust collecting cartridge 14 is provided with a partition plate 20.

In order to improve the fixing effect, the bottom of the housing 18 is provided with a second fixing ring 21, and the bottom of the partition plate 20 is provided with a clamping groove 23 matched with the second fixing ring 21.

In order to improve the filtering effect, the sectional area of the upper end of the second filter cartridge 4 is gradually reduced towards the lower end.

In order to increase the rotation speed, the rotation directions of the first guide vane 6 and the second guide vane 13 are the same, and the rotation direction of the third guide vane 16 is opposite to that of the first guide vane 6.

Through the design, the second guide vane 13 on the inner cylinder 5 can further accelerate the rotation of the liquid to obtain better filtering effect, the dust collecting cylinder 14 at the bottom of the first filter cylinder 3 can collect tiny impurities in a centralized manner, the first fixing ring 15 is matched and fixed with the lower end of the dust collecting cylinder 14, so that the dust collecting cylinder 14 and the shell 2 are more accurately and conveniently fixed and more firmly fixed, the third guide vane 16 can further accelerate the rotation of the liquid to ensure that the liquid entering the second liquid cyclone separation chamber 10 has higher rotation speed, the water stop ring 19 of the top cover 17 can ensure that the entering liquid can only flow downwards to enter the first liquid cyclone separation chamber 8, the partition plate 20 at the outer side of the dust collecting cylinder 14 can prevent the impurities from rotating along the water flow to generate collision noise and wear the shell 18, the strength of the first filter cylinder 3 is also enhanced, the second fixing ring 21 is matched with the clamping groove 23 to ensure that the fixation is more firm, the sectional area of the upper end of the second filter cylinder 4 is gradually reduced towards the lower end to be more favorable for the rotation of the liquid, further from separating impurity in the liquid, the lower extreme sectional area is favorable to the concentrated collection of impurity, and first water conservancy diversion leaf 6 is the same with second water conservancy diversion leaf 13 gyre, and third water conservancy diversion leaf 16 is opposite with first water conservancy diversion leaf 6 gyre for the liquid adds in main part 1 to revolve the direction for the same gyre, further improves the rotational speed, can not cause mutual offset because of adding to revolve the opposite direction.

Example 3:

in order to improve the filtering efficiency, as shown in fig. 3 and 4, in addition to the features of embodiment 2, the number of the second filter cartridges 4 includes one or more, and the inner cylinder 5 is provided with the same number of cylindrical lower ends 24 as the second filter cartridges 4. The number of the second filter cartridges 4 is 6 in this embodiment.

In order to separate each filter unit into separate filter systems and improve the filtering effect, the first filter cartridge 3 is centrally upwardly protruded 25 and the second filter cartridge 4 is centrally distributed.

Through the design, the liquid can flow into each second filter cylinder 4 through the upper end of the first filter cylinder 3 and flow out upwards from the cylindrical lower end 24 in each second filter cylinder 4, so that the filtering efficiency is improved; the bulge 25 at the center of the first filter cartridge 3 isolates each filter unit into an independent filter system, so that mutual interference can be effectively reduced, mutual offset of rotation kinetic energy is inhibited, and the second filter cartridge 4 is distributed around the center, so that mutual interference can be reduced, and the filter effect is improved.

Example 4:

in order to improve the filtering effect, as shown in fig. 5, in addition to the features of embodiment 2, a number of one or more reinforced filtering components 26 are sequentially disposed between the second filter cartridge 4 and the inner cylinder 5 from outside to inside. In this embodiment, there are 1 reinforced filter assembly 26.

In order to improve the filtering effect, strengthen filter assembly 26 including strengthening cartridge filter 27 and draft tube 28, strengthen the cartridge filter 27 and set up in draft tube 28, the draft tube 28 top is connected with inner tube 5, forms interior passageway 29 between draft tube 28 and the enhancement cartridge filter 27, strengthens cartridge filter 27 bottom and seals and form impurity holding department 30, forms reinforcing liquid cyclone separation chamber 31 in the strengthening cartridge filter 27.

In order to increase the liquid rotation speed, the guide cylinder 28 is provided with a reinforced guide vane 32, and the reinforced filter cylinder 27 is provided with a rotation guide vane 33.

Through the above design, liquid is after the separation through second liquid cyclone separation chamber 10, can also get into and carry out further filtration in strengthening filter assembly 26, only inner channel 29 between draft tube 28 and the enhancement cartridge filter 27, liquid after second liquid cyclone separation chamber 10 filters can only upwards flow from draft tube 28 bottom, through inner channel 29, carry out further impurity separation in getting into the enhancement liquid cyclone separation chamber 31 from strengthening cartridge filter 27 upper end, strengthen the holding department 30 of cartridge filter 27 bottom and can concentrate and collect impurity, be convenient for follow-up clearance, strengthen the rotational speed that water conservancy diversion leaf 32 and add rotation water conservancy diversion leaf 33 can further improve liquid, more do benefit to liquid and rotate separation chamber 31 separation impurity at enhancement liquid.

Example 5:

the liquid filtering method provided by the embodiment comprises the steps of adopting two-stage filtering, performing first-stage filtering on liquid after adding rotation, enabling impurities in the liquid which rotates at a high speed in the first-stage filtering to move outwards under the action of centrifugal force, enabling the liquid after the first-stage filtering to flow to the center along a one-way channel after passing through a filter screen, enabling the liquid after the first-stage filtering to enter the second-stage filtering after adding rotation in the one-way channel, and enabling the filtered liquid to flow out along the one-way channel.

Through the method, two-stage filtration is adopted, the filtering effect is better, liquid is firstly added with the cyclone before filtration, the filtering effect of each stage of filtration is ensured, impurities in the liquid can be conveniently removed through multi-stage filtration, the filter screen can filter large-particle impurities, and the one-way channel can be prevented from being blocked by the large-particle impurities.

Example 6:

the liquid filtering method provided by this embodiment adopts the liquid filtering apparatus in embodiment 1, and includes the following steps:

the first step is as follows: the liquid flows in from the water inlet 12 and is filtered for the first time in the first liquid cyclone separation cavity 8, impurities in the high-speed rotating liquid are separated out under the centrifugal force, and the filtered liquid enters the acceleration channel 9 through the filter mesh 7;

the second step is that: liquid enters the second liquid cyclone separation cavity 10 for secondary filtration after accelerated rotation through the acceleration channel 9, the liquid is in a high-speed rotation state through additional rotation, residual impurities are separated out under centrifugal force, and the filtered liquid is discharged through the water outlet 11.

By the above method, the liquid rotating at high speed in the first step is subjected to a first filtration in the first liquid cyclone 8. The impurities are close to the outer wall under the driving of centrifugal force and sink to the bottom under the driving of downward rotating liquid and self gravity, under the general filtering condition, the filtering mesh 7 can intercept larger impurities, the larger impurities can block the filtering mesh 7 under the pushing of the liquid, and the liquid rotating at high speed around the filtering mesh 7 can enable the impurities blocking the filtering mesh 7 to be far away from the filtering mesh 7 under the centrifugal force and finally sink to the bottom, so that a certain self-cleaning effect is achieved; the liquid velocity of the first time of filtration in the second step can descend, influences the filter effect, through accelerating channel 9 with higher speed, still keeps high-speed rotation state when can making liquid get into in the second hydrocyclone separation chamber 10 and carries out the second time and filter, improves the filter effect.

Example 7:

in the liquid filtering method provided by this embodiment, in order to improve the filtering efficiency, in addition to the features described in embodiment 6, the second filtering in the second step is divided into the same number of regions as the second filter cartridges 4, and the filtering is performed simultaneously.

By the above method, the liquid can be simultaneously subjected to the second filtration in the plurality of second filter cartridges 4.

Example 8:

in this embodiment, the liquid filtering apparatus in embodiment 4 is adopted, and in order to improve the filtering effect, the method steps in embodiment 6 are combined, and after the second filtering in the second step, further filtering is performed through the reinforced filtering component 26.

By the method, the liquid can be further filtered by the reinforced filter assembly 26 after being filtered for the second time according to the actual filtering requirement, so as to obtain the liquid with less impurities.

Claims (13)

1. The utility model provides a liquid filtering device, including main part (1), its characterized in that main part (1) outside-in includes casing (2), first cartridge filter (3), second cartridge filter (4) and inner tube (5) in proper order, be equipped with first water conservancy diversion leaf (6) on first cartridge filter (3), still be equipped with on first cartridge filter (3) and filter mesh hole (7), form first liquid cyclone separation chamber (8) between casing (2) and first cartridge filter (3), form between first cartridge filter (3) and second cartridge filter (4) and accelerate passageway (9), form second liquid cyclone separation chamber (10) between second cartridge filter (4) and inner tube (5), be equipped with delivery port (11) and water inlet (12) on casing (2).

2. A liquid filtration device as claimed in claim 1 wherein: and a second guide vane (13) is arranged on the inner cylinder (5).

3. A liquid filtration device as claimed in claim 2 wherein: the bottom of the first filter cylinder (3) is provided with a dust collecting cylinder (14).

4. A liquid filtration device as claimed in claim 3 wherein: a first raised fixing ring (15) is arranged at the bottom of the shell (2), and the first fixing ring (15) is matched and fixed with the lower end of the dust collection barrel (14).

5. A liquid filtration device as claimed in claim 4 wherein: the second filter cartridge (4) is provided with a third guide vane (16), the shell (2) comprises a top cover (17) and a shell (18), a water-isolating ring (19) is further arranged in the top cover (17), and a partition plate (20) is arranged on the outer side of the dust collecting cartridge (14).

6. A liquid filtration device as claimed in claim 5 wherein: the bottom of the shell (18) is provided with a second fixing ring (21), and the bottom of the partition plate (20) is provided with a clamping groove (23) matched with the second fixing ring (21).

7. A liquid filtration device as claimed in claim 6 wherein: the sectional area of the upper end of the second filter cylinder (4) is gradually reduced towards the lower end.

8. A liquid filtration device as claimed in claim 7 wherein: the first guide vane (6) and the second guide vane (13) have the same rotating direction, and the third guide vane (16) and the first guide vane (6) have opposite rotating directions.

9. A liquid filtration device as claimed in any one of claims 1 to 8 wherein: the number of the second filter cartridges (4) comprises one or more than one, and the inner cylinder (5) is provided with cylindrical lower ends (24) which have the same number as the second filter cartridges (4).

10. A liquid filtration device as claimed in claim 9 wherein: the number of the second filter cartridges (4) is more than one, the center of the first filter cartridge (3) is protruded upwards (25), and the second filter cartridges (4) are distributed around the center.

11. A liquid filtration device as claimed in any one of claims 1 to 8 wherein: and the number of the reinforced filter components (26) is one or more than one from outside to inside between the second filter cartridge (4) and the inner cylinder (5).

12. A liquid filtration device as claimed in claim 11 wherein: strengthen filtering component (26) including strengthening cartridge filter (27) and draft tube (28), strengthen cartridge filter (27) and set up in draft tube (28), draft tube (28) top is connected with inner tube (5), forms interior passageway (29) between draft tube (28) and the enhancement cartridge filter (27), strengthens cartridge filter (27) bottom and seals and form impurity holding department (30), strengthens and forms in the cartridge filter (27) and strengthen liquid cyclone separation chamber (31).

13. A liquid filtration device as claimed in claim 12 wherein: the guide shell (28) is provided with reinforced guide vanes (32), and the reinforced filter shell (27) is provided with additional rotary guide vanes (33).

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