CN111408183A

CN111408183A - Liquid purifying device

Info

Publication number: CN111408183A
Application number: CN202010367325.9A
Authority: CN
Inventors: 马志浩
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-07-14
Also published as: WO2021219021A1; CN112774291A

Abstract

The invention provides a liquid purification device, which comprises a shell and a filter unit, wherein the shell is surrounded to form a containing cavity, and a liquid inlet and a liquid outlet for liquid to enter and exit the containing cavity are arranged at two ends of the shell; the filter unit is at least one filter unit which is rotationally arranged in the containing cavity in a driving mode so as to divide the containing cavity into at least two filter cavities, solid impurities in liquid can be blocked in the corresponding filter cavities due to interception of the filter units, and a sewage discharge port communicated with the bottoms of the filter cavities is formed in the shell corresponding to the upstream of each filter unit. According to the liquid purification device, when liquid flows through the filtering units, solid impurities with large specifications can be remained in the corresponding filtering cavities due to interception of the filtering units, the solid impurities with small specifications flow into the next filtering cavity, and the solid impurities can be discharged through the sewage outlet; and by arranging the filtering unit to be rotatable, the intercepted solid substances can be washed into liquid to leave the filtering unit, so that the filtering efficiency of the filtering unit is improved.

Description

Liquid purifying device

Technical Field

The invention relates to the technical field of wastewater treatment equipment, in particular to a liquid purification device.

Background

In the prior art, the waste liquid contains solid impurities, such as: branches, leaves, floats or particles with different particle sizes, etc. In order to recover the waste liquid, the impurities in the waste liquid need to be filtered and removed by using a filtering device.

At present, most of filtering technologies adopted for liquid purification are still more traditional, such as sand layer filtering, filter cotton and the like, and the following technical problems exist in the traditional liquid purification mode: firstly, the filtering speed is low, the occupied area is large, and the back washing is very complicated; secondly, the purification efficiency of the liquid is low, and the filter structure needs to be frequently replaced, so that the cost investment of liquid purification is increased, and the popularization is limited to a certain extent.

Disclosure of Invention

In view of the above, the present invention is directed to a liquid purifying apparatus to improve the filtering efficiency of solid impurities in liquid.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

a liquid purification apparatus comprising:

the liquid-cooling device comprises a shell, a liquid-cooling device and a cooling device, wherein the shell is surrounded to form a containing cavity, a liquid inlet for liquid to flow into the containing cavity is formed in one end of the shell, and a liquid outlet for the liquid to flow out of the containing cavity is formed in the other end of the shell;

the filtering unit is rotationally arranged in at least one of the containing cavities in a driving mode so as to divide the containing cavity into at least two filtering cavities along the flowing direction of the liquid, solid impurities in the liquid can be blocked in the corresponding filtering cavities due to interception of the filtering unit, and a sewage draining outlet communicated with the bottoms of the filtering cavities is formed in the shell corresponding to the upstream of each filtering unit.

Furthermore, the filter unit is a revolving body, and the cavity where the filter unit is located has a space for the filter unit to rotate in the cavity in a sealed manner.

Furthermore, annular bulges which are respectively arranged on two sides of the filtering unit are arranged on the inner wall surface of the containing cavity, and a plurality of rolling pieces are arranged between the annular bulges and the filtering unit.

Furthermore, the filtering unit comprises an outer frame matched with the accommodating cavity, an inner frame arranged in the outer frame, and a filtering body arranged between the outer frame and the inner frame.

Furthermore, a sealing element is arranged on the outer wall surface of the outer frame to limit the solid impurities from flowing backwards between the outer wall surface of the outer frame and the inner wall surface of the accommodating cavity.

Furthermore, the filter body is in a plane shape or a curved surface shape which is convex facing the flow direction of the liquid and is convex facing the flow direction of the liquid.

Further, the filter body is a porous filter structure body or an adsorbent.

Furthermore, the filtering units are arranged in the containing cavity at intervals, and the mesh number of the filter screen on each filtering unit is sequentially increased along the flow direction of the liquid.

Furthermore, a fishing opening is arranged at the top of the shell and communicated with the filter cavity which is close to the liquid inlet.

Furthermore, a third water inlet is arranged at the top of the shell and communicated with the filter cavity close to the liquid outlet.

Compared with the prior art, the invention has the following advantages:

(1) according to the liquid purification device, the filtering units are arranged in the shell, when liquid flows through the filtering units, solid impurities with larger specifications in the liquid can be remained in the corresponding filtering cavities due to interception of the filtering units, the solid impurities with smaller specifications flow into the next filtering cavity after passing through the filtering units, and the filtered solid impurities can be discharged out of the shell through the corresponding sewage discharge outlets, so that the solid impurities in the liquid are removed. In addition, the filtering unit is rotatable, the solid impurities intercepted on the filtering unit can move towards the periphery under the action of rotating force, so that the intercepted solid impurities continuously move on the filtering unit in the whole process, and then can be flushed into liquid to leave the filtering unit, so that the blockage of the filtering unit is reduced, the filtering effect of the filtering unit can be improved, and the dynamic filtering of the liquid is realized. The liquid treatment device has good filtering effect and good popularization significance.

(2) The filter unit is in a shape of a rotary body, so that the filter unit is favorable for rotary arrangement of the filter unit, and the filter unit can well separate the containing cavity, thereby creating good conditions for removing solid impurities in liquid.

(3) Through setting up annular protrusion and rolling member, can increase the bearing capacity of casing to the filter unit, simultaneously, adopt rolling friction to increase the steadiness to effectively reduce the frictional force of filter unit in rotatory process.

(4) The filter body is adopted for filtering, so that the preset filtering effect can be achieved, and the rotation of the filter body is facilitated.

(5) The planar filter body has the advantages of simple structure and easy forming. The filter body with the curved surface structure can filter solid impurities in liquid by means of centrifugal force, and enables the isolated solid impurities to flow to the periphery, so that the solid impurities are discharged from the filter cavity.

(6) The porous filtering structure body is convenient to prepare, and has the characteristics of suitability for filtering, high durability and the like. The adoption of the adsorbent can obviously improve the adsorption effect on impurities in the liquid, thereby improving the purification degree of the liquid.

(7) The arrangement of the first sealing body is beneficial to improving the sealing performance between the outer frame and the inside of the containing cavity in the rotating process, and further the filtering effect on solid impurities in liquid is improved.

(8) Set up a plurality of filter unit in order, can carry out the filtration in grades to solid-state impurity according to the size of solid-state impurity specification to promote filter effect and the suitability to liquid.

(9) Through setting up the mouth of salvaging, can be convenient for clear up the impurity that floats in the filter chamber.

(10) The third water inlet is arranged to introduce clean liquid into the filter cavity, so that the filter cavity is washed, and the treatment efficiency of the whole liquid split purification device is improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of a liquid purification apparatus according to an embodiment of the present invention at a viewing angle;

FIG. 2 is a schematic structural diagram of a liquid purification apparatus according to an embodiment of the present invention from another view angle;

FIG. 3 is a schematic diagram of an internal structure of a liquid purification apparatus according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 5 is a schematic structural diagram of a filter unit according to an embodiment of the present invention;

FIG. 6 is an enlarged view of portion B of FIG. 5;

description of reference numerals:

100-shell, 1001-flanging;

1-upper shell, 101-fishing mouth, 110-water inlet, 111-first water inlet, 112-second water inlet, 113-third water inlet and 114-annular bulge;

2-lower shell, 201-sewage draining exit, 211-first sewage draining exit, 212-second sewage draining exit, 213-third sewage draining exit;

3-first end cap, 301-liquid inlet;

4-a second end cover, 5-a liquid outlet, 6-a cleaning pipe, 7-a fastener and 8-a rotating shaft;

9-filter unit, 91-first filter body, 92-second filter body, 93-third filter body, 901-filter body, 902-support rod, 903-inner frame, 904-connecting plate, 905-outer frame and 906-sealing body;

10-motor, 11-shaft seal.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third," as well as "fourth," are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

The embodiment relates to a liquid purification device for purifying liquid. The liquid purifying device comprises a shell, wherein the shell is surrounded to form a containing cavity, one end of the shell is provided with a liquid inlet through which liquid flows into the containing cavity, and the other end of the shell is provided with a liquid outlet through which the liquid flows out of the containing cavity. The liquid purification device also comprises at least one filter unit which can rotate in the cavity under the drive of external force, and the cavity is divided into at least two filter cavities by the filter unit. The solid impurities in the liquid can be blocked in the corresponding filter cavity due to the interception of the filter units, and a sewage discharge outlet communicated with the bottom of the filter cavity is arranged on the shell corresponding to the upstream of each filter unit.

The liquid to be purified flows into the containing cavity, solid impurities are isolated through filtering of the filtering unit, the isolated solid impurities are discharged from the sewage draining outlet, and clean liquid flows out of the containing cavity. And the rotary filtering unit is separated from impurities isolated by the rotary filtering unit, so that the filtering effect of the filtering unit is improved.

Based on the general structural principles described above, the present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. An exemplary structure of the liquid purification apparatus of the present embodiment is shown in fig. 1 and fig. 2, the housing 100 includes an upper housing 1 and a lower housing 2 which are connected by being buckled up and down, wherein flanges 1001 which are arranged to be turned outwards are formed at edges of two sides of the upper housing 1 and the lower housing 2, the upper housing 1 and the lower housing 2 are fastened and installed by a fastening member 7 which passes through between the two flanges 1001, and the fastening member 7 here can be a fastening bolt in the prior art. The two ends of the casing 100 are respectively provided with an end cap for plugging the openings at the two ends of the casing 100, and the liquid inlet 301 and the liquid outlet are respectively located on the two end caps. For the sake of distinction, the end cap having the inlet port 301 is referred to as a first end cap 3 and the other end cap is referred to as a second end cap 4 in this embodiment. In this embodiment, to improve the purifying effect of the liquid, the liquid inlet 301 is located at the top of the first end cap 3, and the liquid outlet 5 is located at the bottom of the second end cap 4. Of course, the liquid inlet 301 and the liquid outlet 5 may be disposed above the two ends of the housing 100 instead of being disposed on the end caps. The housing 100 of this embodiment may be provided with a viewing window to facilitate viewing of the liquid in the housing 100 for easy access and maintenance.

The filter units 9 are three filter chambers arranged at intervals along the flowing direction of the liquid, and for convenience of description, the filter chambers are sequentially called as a first filter chamber, a second filter chamber, a third filter chamber and a fourth filter chamber along the flowing direction of the liquid; the three filter bodies 901 are referred to as a first filter unit 91, a second filter unit 92, and a third filter unit 93, respectively. In this embodiment, the filter unit 9 is a rotary body, and the cavity where the filter unit 9 is located has a space for the filter unit 9 to rotate in the cavity in a sealed manner. That is, the cross section of the part of the filter unit 9 rotating in the sealed manner in the cavity is circular, and the cross section of the other position of the cavity is not limited herein.

This facilitates the rotational arrangement of the filter unit 9, which makes the filter unit 9 well separate the chambers, thereby creating good conditions for the purification of the liquid. Of course, the number of filter units 9 in the liquid purification apparatus can also be adapted according to the specific filtration requirements.

The specific structure of the filtering unit 9 is shown in fig. 5, and it includes an outer frame 905 adapted to the cavity, an inner frame 903 installed inside the outer frame 905, and a filtering body 901 disposed between the outer frame 905 and the inner frame 903. Wherein, a plurality of connecting plates 904 that are arranged through the interval are linked firmly between interior border 903 and outline 905. Here, the filtering body 901 is used for filtering, so that a predetermined filtering effect can be achieved, and the rotation of the filtering body 901 is facilitated. The filter 901 in this embodiment is used to filter solid impurities, so that the solid impurities with a larger particle size are blocked in the corresponding filter cavity, and the solid impurities with a smaller particle size drop downward for filtering again.

In this embodiment, the filter 901 on the filter unit 9 may be provided with one layer, and the filter 901 in this embodiment is a porous filter structure or an adsorbent. The filter can be a filter screen, an activated carbon filter disc, an activated carbon filter block, a ceramic filter sheet and the like, and the filter 901 on the first filter unit 91 and the second filter unit 92 can be the filter screen, i.e. a common filter screen in the prior art, adopts the filter screen, is convenient to prepare, and has the characteristics of suitability for filtering, high durability and the like. And the filter 901 on the third filter unit 93 can adopt an activated carbon filter screen or an activated carbon filter disc or a ceramic filter sheet to finally adsorb and remove impurities in the liquid, thereby significantly improving the cleanliness of the liquid. Here, the active carbon filter screen and the active carbon filter disc can make the impurity enter into liquid because of rotating except the adsorbed impurity, further make the impurity flow into the treatment fluid to be convenient for handle impurity. Of course, the filter 901 of the first filter unit 91 and the second filter unit 92 may also be an activated carbon filter screen or an activated carbon filter disc, so as to achieve the best use effect.

In this embodiment, the filter 901 is planar or curved and protrudes toward the inflow direction of the solid impurities. However, when the curved surface is adopted, the solid impurities in the corresponding filter cavity can be filtered on the filter 901 by centrifugal force, and the solid impurities flow to the periphery, so that the solid impurities are discharged from the discharge hole. In order to secure a curved shape of the filter, a support rod 902 as shown in fig. 5 is installed between the outer frame 905 and the inner frame 903, and the curved shape of the filter can be secured by adjusting the shape of the support rod 902. In addition, when the filter 901 is curved, the filter 901 can be rotated in a state that the rotation axis is controlled reasonably, so that the liquid is centrifugally thrown out to generate water mist, which is favorable for the treatment of the isolated solid impurities on the filter 901, and the liquid purifying device can obtain a better purifying effect.

For the realization to the multistage filtration of liquid, the mesh number of filter screen is less than the mesh number of filter screen on the second filter unit 92 on first filter unit 91, and the mesh number of filter screen is less than the mesh number of filter screen on the third filter unit 93 on the second filter unit 92, so set up, can carry out stage filtration to solid-state impurity according to the size of solid-state impurity specification to promote the filter effect to solid-state impurity, effectively improve the cleanliness of liquid. The filter bodies 901 in each filter unit in this embodiment may also be arranged in two layers, and when the two layers are formed, filter materials, such as activated carbon, may be filled between the filter bodies 901 on both sides, so as to achieve a better filtering effect. Has better use effect.

In this embodiment, the power for driving the filter unit 9 to rotate comes from the motor 10 installed on the second end cap 4, the power output end of the motor 10 is connected with the rotating shaft 8, the three filter units 9 are installed on the rotating shaft 8 through the inner frames 903 thereon, under the driving of the motor 10, the rotating shaft 8 is driven to rotate around the axis thereof, and the filtering and removing effects of the solid impurities on the filter unit 9 are improved through the rotation, wherein, in order to ensure the sealing performance between the rotating shaft 8 and the second end cap 4 during the rotation, the rotating shaft 8 is further installed with the shaft seal 11.

In addition, in order to improve the use effect of the filter unit 9 during the rotation, in this embodiment, as shown in fig. 5 and 6, a sealing body 906 is provided on the outer circumferential wall of the outer annular advance to restrict the solid impurities from flowing backward from between the outer frame 905 and the inner wall surface of the chamber. In a specific structure, as shown in fig. 6, the sealing body 906 in this embodiment specifically includes an adhesive layer adhered and fixed on the outer peripheral wall surface of the outer frame 905, and a plurality of bristles disposed on the adhesive layer and extending outward in the radial direction of the filter 901, and the bristles are a plurality of groups disposed in the height direction of the adhesive layer. Here, a good restraining effect can also be achieved by the bristles not affecting the rotation of the filter unit 9. Of course, the sealing body 906 in this embodiment may be a sponge instead of bristles, and when a sponge is used, the sponge may be adhered to the outer frame 905.

As shown in fig. 3, annular protrusions 114 are provided on the inner wall surface of the housing, the annular protrusions being disposed on both sides of each filter unit 9, and a plurality of rolling members are provided between the annular protrusions 114 and the filter units 9. In a specific structure, a bracket is arranged on the side surface of the annular protrusion 114 facing the corresponding filter unit, and the rolling member is a ball positioned and mounted on the bracket. The outer frame 905 is provided with a slide way for the balls to slide. Here, by providing the annular protrusion 114 and the rolling members, the bearing capacity of the housing 100 on the filter unit 9 can be increased, and at the same time, the stability is increased by using rolling friction, and the friction force of the filter unit 9 during the rotation process is effectively reduced, thereby reducing the wear during the use process.

As shown in fig. 4, the drain outlet specifically includes a first drain outlet 211 located at the bottom of the first filter chamber, a second drain outlet 212 located at the bottom of the second filter chamber, and a third drain outlet 213 located at the bottom of the third filter chamber, which are both disposed close to the filtering surface of the downstream filtering unit 9 facing the flowing direction of the water flow, so that the solid impurities precipitated at the bottom are discharged out of the corresponding filter chamber. In order to facilitate the static precipitation of the impurities in the sewage draining outlets 201, in this embodiment, each sewage draining outlet 201 is detachably provided with a blocking cover. When sewage is required to be checked, only the corresponding sewage discharge outlet 201 needs to be opened.

In addition, in order to facilitate the removal of solid impurities floating in the first filtering cavity or having a large specification, in this embodiment, a fishing opening 101 is provided at the top of the upper housing 1 corresponding to the first filtering cavity, and a protrusion extends upward from an edge of the upper housing 1 corresponding to the fishing opening 101.

As shown in fig. 1, 2 and 4, a third water inlet 113 is provided at the top of the upper housing 1, and the third water inlet 113 is communicated with a fourth filter chamber adjacent to the liquid outlet. When the cleaning pipe 6 is communicated with the third water inlet 113, the flow direction of the water flow is opposite to that of the liquid to be purified, so that each filtering unit 9 and each filtering cavity are reversely flushed and discharged through the corresponding sewage discharge outlet. A first water inlet 111 communicated with the top of the second filtering cavity and a second water inlet 112 communicated with the top of the third filtering cavity are also arranged on the upper shell 1. The three water inlets 110 can be fed with water separately for cleaning the corresponding filter chambers and filter units 9. Of course, the three water inlets 110 can also share one cleaning pipe 6 for flowing clean water into the filter chamber for back flushing. The communication state between the cleaning pipe 6 and each filter cavity is regulated and controlled by a control valve arranged on the cleaning pipe. In addition, the liquid inlet end of the cleaning pipe 6 can be connected with a liquid outlet 5 communicated with the liquid outlet, so that the purified liquid can be recycled. In addition, impurities which are easily adsorbed in the liquid can be removed by the filter 901 having the activated carbon component provided in the filter unit 2, thereby improving the purification effect of the entire liquid.

When the liquid purification device described in this embodiment is used, the liquid to be purified flows into the first filter chamber through the liquid inlet 301, the solid impurities with large part specifications are isolated in the first filter chamber by the first filter unit 91 in the backward flowing process of the liquid, the backward flowing liquid is subjected to classified filtration by the second filter unit 92 and the third filter unit 93, the solid impurities are intercepted in the second filter chamber and the second filter chamber, and the cleanliness of the liquid flowing out of the housing 100 is remarkably improved. After the device is used for a period of time, the corresponding sewage draining outlet 201 can be opened, the precipitated solid impurities are discharged, and the large-size floating objects are treated through the fishing outlet 101.

The liquid purification device of this embodiment, through installing filter unit 2 in casing 100, when liquid flows through filter unit 2, the great solid-state impurity of specification can be stayed corresponding filter chamber because of filter unit 2's interception in the liquid, the less solid-state impurity of specification then passes filter unit 2 and flows into next filter chamber, solid-state impurity after the filtration can be outside corresponding drain 201 discharge casing 100 to solid-state impurity gets rid of in the liquid. In addition, through setting up that filter unit 2 is rotatable, the solid-state impurity of being intercepted on filter unit 2 can move to the periphery under the effect of the rotating force for the whole solid-state impurity of being intercepted constantly moves on filter unit 2, and then can be washed into liquid and leave filter unit 2, thereby reduces the jam to filter unit 2, and can improve filter unit 2's filter effect, realize the dynamic filtration to liquid. The liquid treatment device has good filtering effect and good popularization significance.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. Liquid purification apparatus, characterized by comprising:

the liquid cooling device comprises a shell (100), wherein a cavity is formed around the shell (100), a liquid inlet (301) for liquid to flow into the cavity is formed in one end of the shell (100), and a liquid outlet for the liquid to flow out of the cavity is formed in the other end of the shell (100);

the filtering unit (9) is arranged in at least one of the containing cavities in a driving and rotating mode so as to divide the containing cavity into at least two filtering cavities along the flowing direction of the liquid, solid impurities in the liquid can be blocked in the corresponding filtering cavities due to interception of the filtering unit (9), and a sewage discharge port communicated with the bottoms of the filtering cavities is formed in the shell (100) corresponding to the upstream of each filtering unit (9).

2. The liquid purification apparatus of claim 1, wherein: the filter unit (9) is a revolving body, and the containing cavity where the filter unit (9) is located is provided with a space for the filter unit (9) to rotate in the cavity in a sealed mode.

3. The liquid purification apparatus according to claim 2, wherein: annular bulges (114) which are respectively arranged at two sides of the filter unit (9) are arranged on the inner wall surface of the cavity, and a plurality of rolling pieces are arranged between the annular bulges (114) and the filter unit (9).

4. The liquid purification apparatus according to claim 2, wherein: the filtering unit (9) comprises an outer frame (905) matched with the accommodating cavity, an inner frame (903) arranged in the outer frame (905), and a filtering body (901) arranged between the outer frame (905) and the inner frame (903).

5. The liquid purification apparatus according to claim 4, wherein: and a sealing element is arranged on the outer wall surface of the outer frame (905) to limit the solid impurities from flowing backwards between the outer wall surface of the outer frame (905) and the inner wall surface of the accommodating cavity.

6. The liquid purification apparatus according to claim 4, wherein: the filter body (901) is in a plane shape or a curved surface shape which is convex facing the flow direction of the liquid.

7. The liquid purification apparatus according to claim 4, wherein: the filter body (901) is a porous filter structure body or an adsorbent body.

8. The liquid purification apparatus of claim 7, wherein: the filtering units (9) are arranged in the containing cavity at intervals, and the mesh number of the filter screen on each filtering unit (9) is sequentially increased along the flow direction of the liquid.

9. The liquid purification apparatus of claim 1, wherein: a fishing port (101) is arranged at the top of the shell (100), and the fishing port (101) is communicated with the filter cavity close to the liquid inlet (301).

10. The liquid purification apparatus according to any one of claims 1 to 9, wherein: a third water inlet (113) is arranged at the top of the shell (100), and the third water inlet (113) is communicated with the filter cavity close to the liquid outlet.