阅读说明：本技术 一种高压水抗压过滤方法 (High-pressure water compression-resistant filtering method ) 是由 任波 袁亮 余国锋 江丙友 *** 罗勇 韩云春 李志兵 邱进伟 唐明云 苏明清 于 2020-08-06 设计创作，主要内容包括：本发明公开了一种高压水抗压过滤方法,使用抗压过滤装置,抗压过滤装置包括过滤装置主体,以及从内到外依次设置在过滤装置主体内部的精细过滤组件和高压保护套管；本发明增设I级过滤筛管,I级过滤筛管实现大颗粒杂质I级过滤,增设圆柱体骨架层,实现小颗粒杂质II级精细过滤,同时圆柱体骨架层对精细滤网起到支撑保护的作用,增强了精细滤网的抗冲击性,增加了流体过滤的稳定性和高效性；增加了高压保护套管,使得精细滤网不会因高压流体作用而变形损坏,同时降低高压流体的冲击力,增加了流体过滤的稳定性；同时增加了多个出水口,实现过滤装置一进多出的功能,从而实现了管道内高压流体高效稳定过滤。(The invention discloses a high-pressure water compression-resistant filtering method, which uses a compression-resistant filtering device, wherein the compression-resistant filtering device comprises a filtering device main body, a fine filtering component and a high-pressure protective sleeve which are sequentially arranged in the filtering device main body from inside to outside; according to the invention, the I-grade filtering sieve tube is additionally arranged, the I-grade filtering sieve tube realizes I-grade filtering of large granular impurities, the cylindrical framework layer is additionally arranged, II-grade fine filtering of small granular impurities is realized, and meanwhile, the cylindrical framework layer plays a role in supporting and protecting the fine filter screen, so that the impact resistance of the fine filter screen is enhanced, and the stability and the high efficiency of fluid filtering are increased; the high-pressure protective sleeve is added, so that the fine filter screen cannot be deformed and damaged due to the action of high-pressure fluid, the impact force of the high-pressure fluid is reduced, and the stability of fluid filtration is improved; meanwhile, a plurality of water outlets are added, so that the function of one inlet and multiple outlets of the filtering device is realized, and high-pressure fluid in the pipeline is efficiently and stably filtered.)

1. A high-pressure water compression-resistant filtering method is characterized by comprising the following steps: the method comprises the following steps of using a compression-resistant filtering device, wherein the compression-resistant filtering device comprises a filtering device main body, and further comprises a fine filtering assembly and a high-pressure protective sleeve which are sequentially arranged in the filtering device main body from inside to outside; the top of the filtering device main body is provided with a water inlet, and the front side and the rear side of the outer wall of the filtering device main body are provided with a plurality of water outlets; the bottom of the filtering device main body is provided with a discharge hole; the fine filtering component comprises a grade I filtering sieve tube, a grade II fine filtering filter element and a flow diverter; the I-grade filtering sieve tube is a cylindrical porous sieve tube structure with openings at two ends; the II-grade fine filtering filter element comprises a cylindrical framework layer and a fine filtering screen; the fine filter screen is of a hollow cylinder structure, and is wound around the cylinder framework layer; the drainage device is arranged between the I-grade filtering sieve tube and the cylindrical framework layer, the lower opening of the drainage device is communicated with the upper opening of the I-grade filtering sieve tube, and the upper opening of the drainage device is communicated with the water inlet through the fine filter screen; the high-pressure protective sleeve is of a hollow cylindrical structure with openings at two ends, the high-pressure protective sleeve is sleeved outside the fine filter screen, and the pipe wall of the high-pressure protective sleeve is provided with a plurality of through holes which are communicated with the water outlets;

high-pressure fluid enters into the flow diverter through the water inlet through the outside inlet channel, high-pressure fluid smoothly leads to in the I level filters the sieve pipe, I level filters impurity to be stayed in I level filters the sieve pipe, II level fine filtration impurity flows out to between I level filters sieve pipe and II level fine filtration filter core with the liquid after filtering from the hole of I level filtration sieve pipe earlier, II level fine filtration impurity stays between I level filters sieve pipe and II level fine filtration filter core, the liquid through secondary filter flows out to between II level fine filtration filter core and the high pressure protective case from the hole of fine filter screen again, flow out to between high pressure protective case and the filter equipment main part inside from a plurality of through-holes of high pressure protective case again, fluid after filtering is again discharged from a plurality of delivery ports, close the delivery port at last again, open the discharge gate and discharge impurity.

2. The high pressure water pressure-resistant filtering method according to claim 1, wherein: the cylindrical framework layer comprises an upper circular ring, a lower circular ring and a connecting rod connected between the upper circular ring and the lower circular ring; the connecting rod is provided with a plurality ofly, and is a plurality of the connecting rod is the annular equidistant connection between last ring and lower ring.

3. The high pressure water pressure-resistant filtering method according to claim 2, characterized in that: and two ends of the high-pressure protective sleeve are flush with two ends of the I-grade filtering sieve tube.

4. A high pressure water pressure resistant filtering method according to claim 3, characterized in that: the high-pressure protective sleeve is made of a steel pipe.

5. The high pressure water pressure-resistant filtering method according to claim 4, wherein: the bottom wall of the lower opening of the flow diverter is fixedly connected with the top wall of the upper opening of the I-grade filtering sieve tube, and the outer side wall of the upper opening of the flow diverter is fixedly connected with the inner annular wall of the upper circular ring.

6. The high pressure water pressure resistant filtering method according to claim 5, characterized in that: the drainage device is of a funnel-shaped structure with a large upper opening and a small lower opening.

7. The high pressure water pressure resistant filtering method according to claim 5, characterized in that: the compression-resistant filtering device also comprises a sealing ring arranged between the I-grade filtering sieve tube and the high-pressure protective sleeve;

the sealing ring is sleeved at the lower end of the I-grade filtering sieve tube, and the inner hole wall of the sealing ring is in interference fit with the outer ring wall of the lower end of the I-grade filtering sieve tube;

the lower end of the high-pressure protective sleeve is sleeved on the sealing ring, and the inner wall of the lower port of the high-pressure protective sleeve is in interference fit with the outer annular wall of the sealing ring.

8. The high pressure water pressure resistant filtering method according to claim 7, characterized in that: the inner hole diameter of the sealing ring is smaller than that of the lower circular ring, and the outer diameter of the sealing ring is larger than that of the lower circular ring; the top of the sealing ring is contacted with the bottom of the lower circular ring.

9. The high pressure water pressure resistant filtering method according to claim 8, characterized in that: the pressure-resistant filtering device also comprises a first joint, a second joint and a cleaning switch;

the water inlet of the filter device main body is communicated with the water inlet pipe through the first joint; the inner wall of the water inlet is provided with internal threads, the lower port of the first joint is sleeved in the water inlet and is in threaded fit with the inner wall of the water inlet, the lower port of the first joint is in contact with the top of the upper circular ring, and the first joint moves towards the inside of the water inlet and causes the bottom of the lower circular ring to abut against the top of the sealing ring;

the discharge hole of the filter device main body is connected with the cleaning switch through the second connector; an internal thread is arranged on the inner wall of the discharge port, and a port of the second joint is sleeved in the discharge port and is in threaded fit with the inner wall of the discharge port.

10. The high pressure water pressure resistant filtering method according to claim 9, characterized in that: the first joint and the second joint are of reducing joint structures.

Technical Field

The invention relates to the technical field of fluid purification, in particular to a high-pressure water compression-resistant filtering method.

Background

At present, fluid pipeline transportation is widely applied, pipeline fluid impurity filtering becomes an important subject in pipeline fluid transportation, particularly when fluid media are transported in high-pressure and high-purity industrial application scenes, a filtering device needs to be additionally arranged to filter impurities in the fluid, for example, the water pressure of high-pressure spray dust fall in a coal mine can reach more than 10MPa, and solid particles in water often block a touch nozzle to influence the atomization effect. Therefore, the stability of the filtering device, the cleaning of the filtering impurities and the like have great influence on the filtering effect.

Disclosure of Invention

The invention aims to solve the technical problems of unstable high-pressure fluid filtration and poor fluid filtration efficiency under the high-pressure impact action of high-pressure fluid.

The invention solves the technical problems through the following technical means:

a high-pressure water compression-resistant filtering method uses a compression-resistant filtering device, wherein the compression-resistant filtering device comprises a filtering device main body, and also comprises a fine filtering component and a high-pressure protective sleeve which are sequentially arranged in the filtering device main body from inside to outside;

the top of the filtering device main body is provided with a water inlet, and the front side and the rear side of the outer wall of the filtering device main body are provided with a plurality of water outlets; the bottom of the filtering device main body is provided with a discharge hole;

the fine filtering component comprises a grade I filtering sieve tube, a grade II fine filtering filter element and a flow diverter;

the I-grade filtering sieve tube is a cylindrical porous sieve tube structure with openings at two ends;

the II-grade fine filtering filter element comprises a cylindrical framework layer and a fine filtering screen; the fine filter screen is of a hollow cylinder structure, and is wound around the cylinder framework layer;

the drainage device is arranged between the I-grade filtering sieve tube and the cylindrical framework layer, the lower opening of the drainage device is communicated with the upper opening of the I-grade filtering sieve tube, and the upper opening of the drainage device is communicated with the water inlet through the fine filter screen;

the high-pressure protective sleeve is of a hollow cylindrical structure with openings at two ends, the high-pressure protective sleeve is sleeved outside the fine filter screen, and the pipe wall of the high-pressure protective sleeve is provided with a plurality of through holes which are communicated with the water outlets;

high-pressure fluid enters into the flow diverter through the water inlet through the outside inlet channel, high-pressure fluid smoothly leads to in the I level filters the sieve pipe, I level filters impurity to be stayed in I level filters the sieve pipe, II level fine filtration impurity flows out to between I level filters sieve pipe and II level fine filtration filter core with the liquid after filtering from the hole of I level filtration sieve pipe earlier, II level fine filtration impurity stays between I level filters sieve pipe and II level fine filtration filter core, the liquid through secondary filter flows out to between II level fine filtration filter core and the high pressure protective case from the hole of fine filter screen again, flow out to between high pressure protective case and the filter equipment main part inside from a plurality of through-holes of high pressure protective case again, fluid after filtering is again discharged from a plurality of delivery ports, close the delivery port at last again, open the discharge gate and discharge impurity.

According to the invention, on the basis of a filtering mode of a traditional filtering device, the I-grade filtering sieve tube is additionally arranged, the I-grade filtering sieve tube can realize I-grade filtering of large granular impurities, the traditional filtering screen is additionally provided with the cylindrical framework layer, the fine filtering screen is uniformly wound on the cylindrical framework layer, II-grade fine filtering of small granular impurities is realized, and meanwhile, the cylindrical framework layer plays a role in supporting and protecting the fine filtering screen, so that the impact resistance of the fine filtering screen is enhanced, and the stability and the high efficiency of fluid filtering are increased; the high-pressure protective sleeve is added, so that the fine filter screen cannot be deformed and damaged due to the action of high-pressure fluid, the impact force of the high-pressure fluid is reduced, and the stability of fluid filtration is improved; meanwhile, a plurality of water outlets are added, so that the function of one inlet and multiple outlets of the filtering device is realized, and high-pressure fluid in the pipeline is efficiently and stably filtered.

Preferably, the cylinder skeleton layer comprises an upper ring, a lower ring and a connecting rod connected between the upper ring and the lower ring; the connecting rod is provided with a plurality ofly, and is a plurality of the connecting rod is the annular equidistant connection between last ring and lower ring.

Preferably, both ends of the high pressure protective sleeve are flush with both ends of the class I filter screen.

Preferably, the high-pressure protective sleeve is made of a steel pipe.

Preferably, the bottom wall of the lower opening of the flow diverter is fixedly connected with the top wall of the upper opening of the I-grade filtering sieve tube, and the outer side wall of the upper opening of the flow diverter is fixedly connected with the inner annular wall of the upper circular ring.

Preferably, the flow diverter is of a funnel-shaped structure with a large upper opening and a small lower opening.

Preferably, the pressure-resistant filter device further comprises a sealing ring arranged between the class I filter screen and the high-pressure protective sleeve;

the sealing ring is sleeved at the lower end of the I-grade filtering sieve tube, and the inner hole wall of the sealing ring is in interference fit with the outer ring wall of the lower end of the I-grade filtering sieve tube;

the lower end of the high-pressure protective sleeve is sleeved on the sealing ring, and the inner wall of the lower port of the high-pressure protective sleeve is in interference fit with the outer annular wall of the sealing ring.

Preferably, the inner hole diameter of the sealing ring is smaller than that of the lower ring, and the outer diameter of the sealing ring is larger than that of the lower ring; the top of the sealing ring is contacted with the bottom of the lower circular ring.

Preferably, the pressure-resistant filtering device further comprises a first joint, a second joint and a cleaning switch;

the water inlet of the filter device main body is communicated with the water inlet pipe through the first joint; the inner wall of the water inlet is provided with internal threads, the lower port of the first joint is sleeved in the water inlet and is in threaded fit with the inner wall of the water inlet, the lower port of the first joint is in contact with the top of the upper circular ring, and the first joint moves towards the inside of the water inlet and causes the bottom of the lower circular ring to abut against the top of the sealing ring;

the discharge hole of the filter device main body is connected with the cleaning switch through the second connector; an internal thread is arranged on the inner wall of the discharge port, and a port of the second joint is sleeved in the discharge port and is in threaded fit with the inner wall of the discharge port.

Preferably, the first joint and the second joint are reducing joint structures.

The invention has the advantages that:

(1) according to the invention, on the basis of a filtering mode of a traditional filtering device, the I-grade filtering sieve tube is additionally arranged, the I-grade filtering sieve tube can realize I-grade filtering of large granular impurities, the traditional filtering screen is additionally provided with the cylindrical framework layer, the fine filtering screen is uniformly wound on the cylindrical framework layer, II-grade fine filtering of small granular impurities is realized, and meanwhile, the cylindrical framework layer plays a role in supporting and protecting the fine filtering screen, so that the impact resistance of the fine filtering screen is enhanced, and the stability and the high efficiency of fluid filtering are increased; the high-pressure protective sleeve is added, so that the fine filter screen cannot be deformed and damaged due to the action of high-pressure fluid, the impact force of the high-pressure fluid is reduced, and the stability of fluid filtration is improved; meanwhile, a plurality of water outlets are added, so that the function of one inlet and multiple outlets of the filtering device is realized, and high-pressure fluid in the pipeline is efficiently and stably filtered.

(2) The drainage device is designed into a funnel-shaped structure with a large upper opening and a small lower opening, so that the impurity-containing high-pressure fluid is smoothly guided into the I-grade filter sieve tube.

(3) According to the invention, the sealing ring with a certain thickness is arranged between the lower end of the I-grade filtering sieve tube and the lower end of the high-pressure protective sleeve, and the fixing nut of the first connector is screwed, so that the bottom of the first connector extrudes the upper ring of the cylindrical framework layer, and further the bottom of the lower ring of the cylindrical framework layer is tightly contacted with the top of the sealing ring, and impurities can not pass through the gap between the lower ring and the sealing ring.

Drawings

FIG. 1 is a schematic structural diagram of a pressure-resistant filtering apparatus of a high-pressure water pressure-resistant filtering method according to the present invention;

FIG. 2 is a schematic structural view of a filter device body according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a class II fine filtration cartridge according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a cylinder skeleton layer according to an embodiment of the invention;

fig. 5 is a schematic structural view of a high-voltage protection sleeve according to an embodiment of the present invention;

FIG. 6 is a schematic view of a connection configuration of a class I screen, flow diverter and gasket according to an embodiment of the present invention;

FIG. 7 is a schematic view of the connection structure of the fine filter assembly and the gasket according to the embodiment of the present invention.

The reference numbers illustrate:

1. a filter device body; 11. a water inlet; 12. a water outlet; 13. a discharge port; 2. a fine filter assembly; 21. a grade I filter screen pipe; 22. a II-grade fine filtering filter element; 221. a cylindrical framework layer; 2211. an upper circular ring; 2212. a lower circular ring; 2213. a connecting rod; 222. fine filtering; 23. a drainage device; 3. a high-pressure protective sleeve; 31. a through hole; 4. a seal ring; 5. a first joint; 6. a second joint; 7. and cleaning the switch.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.