阅读说明：本技术 一种高压水抗压过滤装置 (High-pressure water compression-resistant filtering device ) 是由 任波 袁亮 江丙友 余国锋 唐明云 罗勇 段昌瑞 *** 苏明清 邱进伟 余安徽 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装置,包括过滤装置主体,包括过滤装置主体,还包括由内而外依次设置在滤装置主体内部的过滤组件和高压保护套管；过滤装置主体顶部开设有进水口,滤装置主体的外壁上开设有出水口；过滤组件包括精细滤网,精细滤网为内部中空的圆柱体结构；高压保护套管为两端开口内部中空的筒状结构,高压保护套管套设在精细滤网外部,且高压保护套管的管壁上开设有多个通孔,通孔与出水口连通。本发明在传统过滤装置的基础上,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。(The invention discloses a high-pressure water compression-resistant filtering device which comprises a filtering device main body, a filtering component and a high-pressure protective sleeve, wherein the filtering component and the high-pressure protective sleeve 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 outer wall of the filtering device main body is provided with a water outlet; the filtering component comprises a fine filter screen which is of a hollow cylinder structure; 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, a plurality of through holes are formed in the wall of the high-pressure protective sleeve, and the through holes are communicated with the water outlet. On the basis of the traditional filtering device, 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.)

1. The utility model provides a high pressure water resistance to compression filter equipment, includes the filter equipment main part, its characterized in that: the filter device also comprises a filter assembly and a high-pressure protective sleeve which are sequentially arranged in the filter device main body from inside to outside;

the top of the filtering device main body is provided with a water inlet, and the outer wall of the filtering device main body is provided with a water outlet;

the filter assembly comprises a fine filter screen which is of a hollow cylindrical structure;

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, a plurality of through holes are formed in the wall of the high-pressure protective sleeve, and the through holes are communicated with the water outlet.

2. The high pressure water pressure resistant filter device according to claim 1, wherein: the water outlet is provided with a plurality of, and a plurality of the water outlet sets up both sides around the filter equipment main part.

3. The high pressure water pressure resistant filter device according to claim 2, wherein: the bottom of the filtering device main body is provided with a discharge hole.

4. A high pressure water pressure resistant filter device according to claim 3, wherein: the filtering component also comprises a cylindrical framework layer and an I-grade filtering sieve tube which are sequentially arranged inside the fine filter screen from outside to inside;

the fine filter screen is wound around the cylindrical framework layer;

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

5. The high pressure water pressure resistant filter device according to claim 4, 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.

6. The high pressure water pressure resistant filter device according to claim 5, wherein: two ends of the high-pressure protective sleeve are respectively flush with two ends of the I-grade filtering sieve tube;

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

7. The high pressure water pressure resistant filter device according to claim 6, wherein: the drainage device is arranged between the I-grade filtering sieve tube and the fine filtering net;

the lower opening of the drainage device is communicated with the upper opening of the I-grade filtering sieve tube, and the bottom wall of the lower opening of the drainage device is fixedly connected with the top wall of the upper opening of the I-grade filtering sieve tube;

the upper opening of the drainage device is communicated with the water inlet of the filtering device main body through the fine filter screen, and the outer side wall of the upper opening of the drainage device is fixedly connected with the inner annular wall of the upper circular ring.

8. The high pressure water pressure resistant filter device according to claim 7, wherein: the drainage device is of a funnel-shaped structure with a large upper opening and a small lower opening.

9. The high pressure water pressure resistant filter device according to claim 8, wherein: 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;

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.

10. The high pressure water pressure resistant filter device according to claim 9, wherein: the cleaning device also comprises a first reducing joint, a second reducing joint and a cleaning switch;

the water inlet of the filter device main body is communicated with the water inlet pipe through the first reducing joint; the inner wall of the water inlet is provided with internal threads, the lower port of the first reducing 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 reducing joint is in contact with the top of the upper circular ring, and the first reducing 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 reducing joint; an internal thread is arranged on the inner wall of the discharge port, and a port of the second reducing joint is sleeved in the discharge port and is in threaded fit with the inner wall of the discharge port.

Technical Field

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

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 problem of how to prevent the filter screen or the filter element of the filter device from deforming and damaging under the action of high-pressure fluid.

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

a high-pressure water compression-resistant filtering device comprises a filtering device main body, and further comprises a 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 outer wall of the filtering device main body is provided with a water outlet;

the filter assembly comprises a fine filter screen which is of a hollow cylindrical structure;

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, a plurality of through holes are formed in the wall of the high-pressure protective sleeve, and the through holes are communicated with the water outlet.

On the basis of the traditional filtering device, 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.

Preferably, the water outlet is provided in plurality, and the water outlets are provided in front of and behind the filter device body.

Preferably, the bottom of the filter device main body is provided with a discharge hole.

Preferably, the filtering assembly further comprises a cylindrical framework layer and an I-grade filtering screen pipe which are sequentially arranged inside the fine filtering screen from outside to inside;

the fine filter screen is wound around the cylindrical framework layer;

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

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, two ends of the high-pressure protective sleeve are respectively flush with two ends of the I-grade filtering sieve tube;

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

Preferably, the system further comprises a flow guide device arranged between the I-grade filtering screen and the fine filtering screen;

the lower opening of the drainage device is communicated with the upper opening of the I-grade filtering sieve tube, and the bottom wall of the lower opening of the drainage device is fixedly connected with the top wall of the upper opening of the I-grade filtering sieve tube;

the upper opening of the drainage device is communicated with the water inlet of the filtering device main body through the fine filter screen, and the outer side wall of the upper opening of the drainage device is fixedly connected with the inner annular wall of the upper circular ring.

Preferably, the drainage device is a funnel-shaped structure with a large upper opening and a small lower opening.

Preferably, the filter screen pipe further comprises a sealing ring arranged between the I-grade filter screen pipe and the high-pressure protective sleeve, the lower end of the I-grade filter screen pipe is sleeved with the sealing ring, 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 filter screen pipe; 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;

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.

Preferably, the cleaning device further comprises a first reducing joint, a second reducing joint and a cleaning switch;

the water inlet of the filter device main body is communicated with the water inlet pipe through the first reducing joint; the inner wall of the water inlet is provided with internal threads, the lower port of the first reducing 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 reducing joint is in contact with the top of the upper circular ring, and the first reducing 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 reducing joint; an internal thread is arranged on the inner wall of the discharge port, and a port of the second reducing joint is sleeved in the discharge port and is in threaded fit with the inner wall of the discharge port.

The invention has the advantages that:

(1) on the basis of the traditional filtering device, 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.

(2) 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.

(3) According to the invention, through the arrangement of the I-grade filtering sieve tube and the fine filter screen, the I-grade filtering sieve tube is of a porous sieve tube structure, when in filtering, I-grade filtering impurities are retained in the I-grade filtering sieve tube, so that large-particle impurities can be filtered, fine filtering impurities enter between the I-grade filtering sieve tube and the fine filter screen along with fluid passing through holes in the tube wall of the I-grade filtering sieve tube, and fine impurities can be filtered because the fine filter screen has small pore diameter and are retained in the fine filter screen.

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

(5) 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 reducing joint is screwed, so that the bottom of the first reducing joint extrudes the upper ring of the frame, the bottom of the lower ring of the frame is further in close contact with the top of the sealing ring, and impurities can not pass through the gap between the lower ring and the sealing ring.

(6) According to the invention, the cleaning switch is assembled at the discharge port, when impurities are cleaned, the water outlet of the filtering device is closed, the cleaning switch of the filtering device is opened, and the impurities are directly discharged from the cleaning switch by high-pressure fluid, so that the cleaning is convenient.

Drawings

FIG. 1 is a schematic structural view of a high pressure water pressure-resistant filtering apparatus 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 view of a filter assembly 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 the connection of a class I screen, a flow directing device and a 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 filter assembly; 21. a grade I filter screen pipe; 22. a cylindrical framework layer; 221. an upper circular ring; 222. a lower circular ring; 223. A connecting rod; 23. fine filtering; 3. a high-pressure protective sleeve; 31. a through hole; 4. a drainage device; 5. A seal ring; 6. a first reducing joint; 7. a second reducing joint; 8. 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.