CN213527740U

CN213527740U - Spiral-flow type backwashing filter

Info

Publication number: CN213527740U
Application number: CN202021677637.1U
Authority: CN
Inventors: 李世勇; 陈加更; 刘建林; 葛凯; 王安伟
Original assignee: Shaanxi Huadian Yuheng Coal And Electricity Co ltd
Current assignee: Shaanxi Huadian Yuheng Coal And Electricity Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-06-25
Anticipated expiration: 2030-08-12

Abstract

The utility model relates to a back flush filter technical field especially relates to a spiral-flow type back flush filter. The novel water purifier comprises a body, the top of body is equipped with the water inlet, this internal coarse strainer and the one-level filter core that is used for purifying the water source of intaking in proper order that is equipped with, the coarse strainer level sets up inside the body, the one-level filter core sets up the below at the coarse strainer, the bottom of body is equipped with the delivery port that is linked together with the play water end of one-level filter core, form the whirl chamber between the outer wall of one-level filter core and the inner wall of body, the inner wall of body is equipped with a plurality of back flush shower nozzles, a plurality of back flush shower nozzles are used for the blowout medium to form the whirl in the whirl intracavity with driving water. This openly through forming the whirl in that the filter is inside to effectively peel off and discharge the impurity in the one-level filter core, reduced the use maintenance cost of low reaches water filtration system, have adaptability strong, convenient to use, respond well, characteristics such as easy maintenance.

Description

Spiral-flow type backwashing filter

Technical Field

The utility model relates to a back flush filter technical field especially relates to a spiral-flow type back flush filter.

Background

Fully-mechanized mining face hydraulic support has higher requirement on the purity of a water supply system, but because of poor water quality of a ground water supply source, fine impurities are easy to mix into the fully-mechanized mining face water supply system to cause the blockage of a filter element of the hydraulic system, so that the fine impurities enter the support hydraulic system, and equipment is damaged.

For this purpose we provide a swirl backwash filter.

Disclosure of Invention

To address the above technical problems or at least partially solve the above technical problems, the present disclosure provides a spiral-flow backwash filter.

The utility model provides a spiral-flow type back flush filter, which comprises a body, the top of body is equipped with the water inlet, this internal coarse strainer and the one-level filter core that is used for purifying the water source of intaking in proper order that is equipped with, the coarse strainer level sets up inside the body, the one-level filter core sets up the below at the coarse strainer, the bottom of body is equipped with the delivery port that is linked together with the play water end of one-level filter core, form the whirl chamber between the outer wall of one-level filter core and the inner wall of body, the inner wall of body is equipped with a plurality of back flush shower nozzles, a plurality of back flush shower nozzles are used for the blowout medium to form the whirl in the whirl intracavity with driving water, the.

Optionally, the body and the first-stage filter element are coaxially arranged in a cylindrical structure, and the jet direction of the back washing nozzle is consistent with the tangential direction of the first-stage filter element.

Optionally, the top and the bottom of one-level filter core all are equipped with the limiting plate, and the limiting plate all is equipped with the draft tube of cover on the outer wall of one-level filter core near the one end of one-level filter core, and the limiting plate passes through the bracing piece to be fixed inside the body, has seted up the water distribution hole on the limiting plate.

Optionally, a water collecting hopper is further arranged at the bottom end of the limiting plate below the primary filter element, and a water outlet end below the water collecting hopper is communicated with the water outlet.

Optionally, a back-washing water pipe communicated with the back-washing nozzle is arranged outside the body.

Optionally, the water inlet is provided with a water inlet electromagnetic valve and a water inlet pressure sensor, the water outlet is provided with a water outlet electromagnetic valve and a water outlet pressure sensor, the water inlet end of the back flush water pipe is provided with a back flush electromagnetic valve, the sewage discharge outlet is provided with a sewage discharge electromagnetic valve, and the body is further provided with a controller which is connected with the water inlet electromagnetic valve, the water inlet pressure sensor, the water outlet electromagnetic valve, the water outlet pressure sensor, the back flush electromagnetic valve and the sewage discharge electromagnetic valve.

Optionally, the water inlet end of the back flush water pipe is communicated with the water inlet, and the water inlet end of the back flush water pipe is arranged at the upstream of the water inlet electromagnetic valve.

Optionally, the outer wall of the body is further provided with a water inlet pressure gauge and a water outlet pressure gauge, the water inlet pressure gauge is connected with the water inlet pressure sensor, and the water outlet pressure gauge is connected with the water outlet pressure sensor.

Optionally, a sewage discharge cavity is formed between the upper part of the coarse filter screen and the body, and a secondary filter element is detachably connected to the part, corresponding to the sewage discharge cavity, of the outer wall of the body.

Optionally, the outer wall of the body is further provided with an observation port.

Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:

this is disclosed through forming the whirl in that the filter is inside to effectively peel off and discharge the impurity in the one-level filter core, this filter equipment mountable is on fully mechanized coal mining face total inlet channel, provides more pure water source for working face water equipment, and the water purification after this system filters meets from delivery port and working face next stage filtration equipment piping, has reduced the use maintenance cost of low reaches water filtration system, has adaptability is strong, convenient to use, respond well, characteristics such as easy maintenance.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic view of the internal structure of the present disclosure;

FIG. 2 is a front view of the present disclosure;

fig. 3 is a functional schematic diagram of a controller according to the present disclosure.

Wherein, 1, a body; 2. a water inlet; 3. coarse filtration; 4. a first-stage filter element; 5. a water outlet; 6. a vortex chamber; 7. backwashing the spray head; 8. a sewage draining outlet; 9. a blowdown chamber; 10. a secondary filter element; 11. a water inlet electromagnetic valve; 12. a water outlet electromagnetic valve; 13. backwashing the electromagnetic valve; 14. a blowdown electromagnetic valve; 15. a water inlet pressure gauge; 16. a water outlet pressure gauge; 17. a viewing port.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.

Please refer to fig. 1, the present disclosure provides a spiral-flow type backwashing filter, which includes a body 1, a water inlet 2 is arranged at the top end of the body 1, a coarse strainer 3 and a first-stage filter element 4 for sequentially purifying a water inlet source are arranged in the body 1, the coarse strainer 3 is horizontally arranged in the body 1, the first-stage filter element 4 is arranged below the coarse strainer 3, a water outlet 5 communicated with a water outlet end of the first-stage filter element 4 is arranged at the bottom end of the body 1, a spiral flow cavity 6 is formed between the outer wall of the first-stage filter element 4 and the inner wall of the body 1, a plurality of backwashing nozzles 7 are arranged on the inner wall of the body 1, the plurality of backwashing nozzles 7 are used for ejecting media to drive water to form a spiral flow in the spiral flow cavity 6, and a drain outlet 8 communicated.

In the above-mentioned embodiment, the water source of intaking gets into inside body 1 by water inlet 2, can filter the great impurity of granularity at first through coarse strainer 3, and the granularity of this impurity is generally greater than 0.3mm, and in reentrant one-level filter core 4, one-level filter core 4 adopts the filter pulp usually, utilizes the adsorption of filter pulp can adsorb the tiny impurity of aquatic, flows out by delivery port 5 again, supplies with next level of filtration equipment.

When the condition that the one-level filter core 4 is blocked by the filter cotton, the energy can be supplied to the back washing nozzle 7 through external power equipment, so that the back washing nozzle 7 sprays a medium which is generally water, a rotational flow can be formed in the rotational flow cavity 6 through the back washing nozzle 7, and the inertial centrifugal force generated in the rotational flow peels off impurities in the one-level filter core 4 and enables the impurities to be suspended in the rotational flow cavity 6, a high axial flow velocity exists in the rotational flow, so that the impurities are subjected to an axial downward force, and an overlarge part of the impurities are deposited at the bottom of the filter and can be discharged through the drain outlet 8 finally.

This is disclosed through forming the whirl in that the filter is inside to effectively peel off and discharge the impurity in the one-level filter core 4, this filter equipment mountable is on fully mechanized coal mining face total inlet channel, provides more pure water source for working face water equipment, and the water purification after this system filters meets from delivery port 5 and the working face next stage filtration equipment piping, has reduced the use maintenance cost of low reaches water filtration system, and it is strong to have adaptability, convenient to use, and is respond well, characteristics such as easy maintenance.

Referring to fig. 1, in some embodiments, the main body 1 and the primary filter element 4 are both coaxially arranged and cylindrical, and the injection direction of the back-washing nozzle 7 is the same as the tangential direction of the primary filter element 4.

In the above embodiment, the arrangement direction of the back-washing nozzle 7 is optimized, and through the arrangement, the formation condition of the rotational flow in the rotational flow cavity 6 is good, and the surface of the first-stage filter element 4 is washed, so that the working efficiency is improved.

Preferably, the back washing nozzles 7 can be uniformly distributed inside the body 1 so as to realize sufficient contact between the rotational flow and the primary filter element 4.

Referring to fig. 1, in some embodiments, the top end and the bottom end of the primary filter element 4 are provided with limiting plates, one end of each limiting plate close to the primary filter element 4 is provided with a guide cylinder sleeved on the outer wall of the primary filter element 4, the limiting plates are fixed inside the body 1 through support rods, and the limiting plates are provided with water distribution holes.

In the above embodiment, the specific arrangement of the first-stage filter element 4 is disclosed, the first-stage filter element 4 is firstly helped to be fixed to form the vortex cavity 6 by the limiting part and the guide cylinder, then the guide cylinder can effectively guide water to ensure the water outlet efficiency of the water outlet 5, and the water distribution holes can enable water to circulate.

Referring to fig. 1, in some embodiments, a water collecting hopper is further disposed at the bottom end of the limiting plate below the primary filter element 4, and a water outlet end below the water collecting hopper is communicated with the water outlet 5.

In the above embodiment, the water outlet mode of the first-stage filter element 4 is optimized, the water in the first-stage filter element 4 flows out from the water distribution holes, but is dispersed, and the water collecting hopper is arranged to effectively collect the water, so that the filtered water is discharged from the water outlet 5.

Referring to fig. 1, in some embodiments, a backwash water pipe communicated with the backwash nozzle 7 is provided outside the body 1.

In the above embodiment, the structure of the back washing nozzle 7 is specifically disclosed, and the back washing water pipe is provided to effectively supply water to the back washing nozzle 7, thereby achieving the back washing effect.

Referring to fig. 1 and 3, in some embodiments, the water inlet 2 is provided with a water inlet electromagnetic valve 11 and a water inlet pressure sensor, the water outlet 5 is provided with a water outlet electromagnetic valve 12 and a water outlet pressure sensor, the water inlet end of the backwashing water pipe is provided with a backwashing electromagnetic valve 13, the sewage discharge outlet 8 is provided with a sewage discharge electromagnetic valve 14, and the body 1 is further provided with a controller, and the controller is connected with the water inlet electromagnetic valve 11, the water inlet pressure sensor, the water outlet electromagnetic valve 12, the water outlet pressure sensor, the backwashing electromagnetic valve 13 and the sewage discharge electromagnetic valve 14.

In the above embodiment, the entire system is disclosed and optimized, and the water pressure difference between the water inlet 2 and the water outlet 5 can be detected by the water inlet pressure sensor and the water outlet pressure sensor, so as to determine the blockage condition of the filter element, in general, when the water pressure difference is greater than 0.1MPa, the blockage inside the primary filter element 4 is relatively serious, and the controller can determine whether to perform the backwashing operation according to the water pressure difference condition.

When the water pressure difference is larger than 0.1MPa, the backwashing operation is required, at the moment, the controller controls the water inlet electromagnetic valve 11, the water outlet electromagnetic valve 12 and the sewage discharge electromagnetic valve 14 to be closed, then controls the backwashing electromagnetic valve 13 to be opened, and at the moment, water enters the backwashing water pipe and acts in the rotational flow cavity 6 through the backwashing nozzle 7 to perform the backwashing operation. The opening duration of the backwashing electromagnetic valve 13 can be set according to preset values, for example: which may be 120 seconds, after 120 seconds, the controller controls the back flush solenoid valve 13 to be closed and controls the soil exhaust solenoid valve 14 to be opened, thereby discharging water and impurities in the cyclone chamber 6.

When the water pressure difference is less than 0.1MPa, the controller controls the water inlet electromagnetic valve 11 and the water outlet electromagnetic valve 12 to be opened, and the sewage discharge electromagnetic valve 14 to be closed, so that the normal filtering state is recovered. If the water pressure difference is still larger than 0.1MPa, the steps can be repeated to continue the backwashing until the water pressure difference is smaller than 0.1 MPa.

Referring to fig. 1, in some embodiments, the water inlet end of the backwash water pipe is connected to the water inlet 2, and the water inlet end of the backwash water pipe is disposed upstream of the water inlet solenoid valve 11.

In the embodiment, the arrangement of the backwashing water pipes is further optimized, and through the arrangement, the filtration and the backwashing operation can be supplied with water as required through one water supply source, so that the overall structure is effectively optimized. That is, in the filtering state, the backwash solenoid valve 13 is closed and the water inlet solenoid valve 11 is opened, and in the backwash state, the backwash solenoid valve 13 is opened and the water inlet solenoid valve 11 is closed.

Referring to fig. 1, in some embodiments, the outer wall of the body 1 is further provided with a water inlet pressure gauge 15 and a water outlet pressure gauge 16, the water inlet pressure gauge 15 is connected to the water inlet pressure sensor, and the water outlet pressure gauge 16 is connected to the water outlet pressure sensor.

In the above embodiment, the water pressure can be directly observed manually by providing the water inlet pressure gauge 15 and the water outlet pressure gauge 16.

Referring to fig. 1, in some embodiments, a drainage cavity 9 is formed between the upper portion of the coarse strainer 3 and the main body 1, and a secondary filter element 10 is detachably connected to the outer wall of the main body 1 corresponding to the drainage cavity 9.

In the above-mentioned embodiment, then optimize the blowdown of coarse strainer 3, when forming the whirl in whirl chamber 6, also can make coarse particle impurity on the coarse strainer 3 peel off and along with the whirl moves in blowdown chamber 9, then can adsorb coarse particle impurity through setting up second grade filter core 10, later stage accessible manual dismantlement second grade filter core 10 realizes the clearance to coarse particle impurity.

Preferably, the outer wall of body 1 is equipped with the opening, and the waterproof apron of connection then can be dismantled to the opening part, and second grade filter core 10 sets up the inboard at waterproof apron, and the outside of waterproof apron still can set up the handle of being convenient for operate. The secondary filter element 10 may also be filter cotton, and it should be noted that the filter cotton used in the primary filter element 4 and the secondary filter element 10 should be selected according to the actual water quality, which is not described herein.

Referring to fig. 2, in some embodiments, the outer wall of the body 1 is further provided with a viewing port 17.

In the above embodiment, the observation port 17 is provided to facilitate observation and inspection of the inside of the body 1.

It should be noted that, when the water consumption of the working surface is large, a plurality of filters can be connected in parallel for use according to the actual water consumption, so as to meet the water demand of the working surface.

When the water supply source has high turbidity, a plurality of filters can be connected in series to ensure the purity of the water quality of the water supply so as to meet the requirements of water-using equipment

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The spiral-flow type backwashing filter is characterized by comprising a body (1), wherein a water inlet (2) is formed in the top end of the body (1), a coarse strainer (3) and a primary filter element (4) which are used for purifying a water inlet source are arranged in the body (1), the coarse strainer (3) is horizontally arranged inside the body (1), the primary filter element (4) is arranged below the coarse strainer (3), a water outlet (5) communicated with the water outlet end of the primary filter element (4) is formed in the bottom end of the body (1), a spiral-flow cavity (6) is formed between the outer wall of the primary filter element (4) and the inner wall of the body (1), a plurality of backwashing spray heads (7) are arranged on the inner wall of the body (1), and the plurality of backwashing spray heads (7) are used for spraying media to drive water to be formed in the spiral-flow cavity (6), the bottom end of the body (1) is also provided with a sewage draining outlet (8) communicated with the vortex cavity (6).

2. The spiral-flow type backwashing filter of claim 1, wherein the body (1) and the primary filter element (4) are coaxially arranged in a cylindrical structure, and the injection direction of the backwashing nozzle (7) is consistent with the tangential direction of the primary filter element (4).

3. The spiral-flow type backwashing filter of claim 2, wherein limiting plates are arranged at the top end and the bottom end of the primary filter element (4), a guide cylinder sleeved on the outer wall of the primary filter element (4) is arranged at one end of each limiting plate close to the primary filter element (4), the limiting plates are fixed inside the body (1) through supporting rods, and water distribution holes are formed in the limiting plates.

4. The spiral-flow type backwashing filter of claim 3, wherein a water collecting hopper is further arranged at the bottom end of the limiting plate below the primary filter element (4), and the lower water outlet end of the water collecting hopper is communicated with the water outlet (5).

5. The spiral-flow type backwashing filter of claim 1, wherein a backwashing water pipe communicated with the backwashing nozzle (7) is provided outside the body (1).

6. The spiral-flow type backwashing filter of claim 5, wherein the water inlet (2) is provided with a water inlet electromagnetic valve (11) and a water inlet pressure sensor, the water outlet (5) is provided with a water outlet electromagnetic valve (12) and a water outlet pressure sensor, the water inlet end of the backwashing water pipe is provided with a backwashing electromagnetic valve (13), the sewage outlet (8) is provided with a sewage discharge electromagnetic valve (14), the body (1) is further provided with a controller, and the controller is connected with the water inlet electromagnetic valve (11), the water inlet pressure sensor, the water outlet electromagnetic valve (12), the water outlet pressure sensor, the backwashing electromagnetic valve (13) and the sewage discharge electromagnetic valve (14).

7. The spiral-flow backwash filter according to claim 6, wherein a water inlet end of the backwash water pipe is communicated with the water inlet (2), and the water inlet end of the backwash water pipe is disposed upstream of the water inlet solenoid valve (11).

8. The spiral-flow type backwashing filter of claim 7, wherein the outer wall of the body (1) is further provided with a water inlet pressure gauge (15) and a water outlet pressure gauge (16), the water inlet pressure gauge (15) is connected with the water inlet pressure sensor, and the water outlet pressure gauge (16) is connected with the water outlet pressure sensor.

9. The spiral-flow type backwashing filter of claim 1, wherein a sewage draining cavity (9) is formed between the upper part of the coarse filter screen (3) and the body (1), and a secondary filter element (10) is detachably connected to the outer wall of the body (1) corresponding to the sewage draining cavity (9).

10. The spiral-flow type backwashing filter of claim 1, wherein a viewing port (17) is further formed in an outer wall of the body (1).