CN209752276U - Automatic dirt absorbing device of back flush filter - Google Patents
Automatic dirt absorbing device of back flush filter Download PDFInfo
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- CN209752276U CN209752276U CN201920255436.3U CN201920255436U CN209752276U CN 209752276 U CN209752276 U CN 209752276U CN 201920255436 U CN201920255436 U CN 201920255436U CN 209752276 U CN209752276 U CN 209752276U
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- suction nozzle
- connecting pipe
- nozzle connecting
- suction
- pipe
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Abstract
The utility model provides an automatic dirt absorbing device of back flush filter, including the dirt absorbing main pipe, be provided with the dirt absorbing branch pipe perpendicularly on the dirt absorbing main pipe, dirt absorbing branch pipe upper end fixedly connected with suction nozzle connecting pipe, the part that lies in dirt absorbing branch pipe top on the suction nozzle connecting pipe is provided with the step, the tip slidable seal cover that lies in the step top on the suction nozzle connecting pipe is equipped with the suction nozzle, the cover is equipped with the protective sheath on the step surface of suction nozzle connecting pipe, the hole of protective sheath upper end and the surface slidable joint of suction nozzle lower extreme, the suction nozzle bottom surface, form the protection chamber between the partial surface that lies in above the step on the suction nozzle connecting pipe and the protective sheath hole surface, be provided with the elastic support part that is used for flexible regulation. The utility model discloses simple structure, the installation and the maintenance of being convenient for, the inside and outside atress of suction nozzle is balanced, and the suction nozzle can be inseparable with the filter screen laminating, and is high-efficient clean to the filter screen, and the dirt absorbing effect increases.
Description
Technical Field
the utility model relates to a water treatment field, concretely relates to automatic back flush filter's soil pick-up device.
Background
With the coming effect of ballast water convention, ballast water treatment systems are more severe in treating ballast seawater to prevent biological invasion. The automatic backwashing filter is used as important filtering equipment of a ballast water system, plays an important role in preventing larger microorganisms from entering a ballast tank, has an important influence on the efficient utilization of a filter screen in the ballast water system and the service life of the equipment due to the self-cleaning function, and is a sewage suction device as a core component of the self-cleaning function of the automatic backwashing filter, so that the development of an efficient sewage suction device is important for the sewage suction performance and the reliable operation of the automatic backwashing filter.
SUMMERY OF THE UTILITY MODEL
The utility model provides a problem to above-mentioned prior art exists provides an automatic back flush filter's dirt absorbing device, can prevent to break away from the filter screen because of external pressure makes the suction nozzle and cause the dirt absorbing function to reduce, and the reliability is high, and the dirt absorbing is effectual.
The technical scheme of the utility model is that: a dirt suction device of an automatic back-flushing filter comprises a dirt suction main pipe, a dirt suction branch pipe is vertically arranged on the dirt suction main pipe, a suction nozzle connecting pipe is fixedly connected in an inner hole at one end of the dirt suction branch pipe far away from the dirt suction main pipe, a step convenient for positioning and mounting the suction nozzle connecting pipe is arranged on the suction nozzle connecting pipe and positioned above the dirt suction branch pipe, a suction nozzle is arranged on the end part of the suction nozzle connecting pipe above the step in a sliding sealing manner, a protective sleeve is sleeved on the outer surface of the step of the suction nozzle connecting pipe, the inner hole at the upper end of the protective sleeve is in sliding clamping, a protection cavity is formed between the outer surface of the part, located above the step, of the suction nozzle connecting pipe and the inner hole surface of the protective sleeve, an elastic supporting part used for adjusting the position of the suction nozzle in a telescopic mode is arranged in the protection cavity, and a pressure balance hole used for balancing the pressure in the protection cavity so as to adjust the position of the suction nozzle is formed in the protective sleeve.
Furthermore, the part of the upper end of the sewage suction branch pipe sleeved with the suction nozzle connecting pipe is provided with a step hole which is convenient for matching and installing the suction nozzle connecting pipe.
Furthermore, the upper end of the inner hole of the suction nozzle connecting pipe is provided with a funnel-shaped taper, and the lower end of the inner hole of the suction nozzle connecting pipe is provided with a skirt-shaped taper.
Furthermore, an outer flange is arranged on the outer surface of the lower end of the suction nozzle, an inner flange is arranged on the part, clamped with the outer flange on the suction nozzle, in the inner hole of the protective sleeve, and the suction nozzle is limited through the outer flange and the inner flange.
Further, the lower extreme of protective sheath is provided with the screw, and the protective sheath passes through screw and suction nozzle connecting pipe fixed connection.
Furthermore, the elastic support part is a spring sleeved on the suction nozzle connecting pipe, the upper end of the spring is in contact with the end face of the bottom of the suction nozzle, and the lower end of the spring is supported on the step end face of the suction nozzle connecting pipe.
Furthermore, the elastic support part comprises a first magnet ring and a second magnet ring which is matched with the first magnet ring to telescopically adjust the position of the suction nozzle, the first magnet ring is arranged on the end surface of the bottom of the suction nozzle, and the second magnet ring is arranged on the step end surface of the suction nozzle connecting pipe.
After the technical scheme is adopted, the utility model discloses following beneficial effect has:
1) Protection chamber, pressure balance hole and elastic support part structure between the cooperation setting, and the suction nozzle is linked together through suction nozzle connecting pipe and soil pick-up branch pipe, in guaranteeing that elastic support suction nozzle closely laminates with high-efficient soil pick-up with the filter screen in the equilibrium pressure, avoids appearing sewage and leaks or debris jam pressure balance hole from soil pick-up device.
2) The arrangement of the protective sleeve increases the rigid support of the suction nozzle connecting pipe to the suction nozzle, reduces the bending of the suction nozzle connecting pipe in work so as to enable the inner hole of the suction nozzle and the outer surface of the suction nozzle connecting pipe to slide in a sealing manner, and has a limiting effect on the sliding of the suction nozzle along the suction nozzle connecting pipe.
3) The upper end and the lower end of the inner hole of the suction nozzle connecting pipe are provided with the taper, so that the water inlet of sewage is facilitated, and the sewage suction efficiency is increased.
4) The utility model discloses simple structure, the installation and the maintenance of being convenient for, the inside and outside atress of suction nozzle is balanced, has guaranteed that the suction nozzle is inseparable with the filter screen laminating, has strengthened the dirt absorbing effect of suction nozzle, plays the effect of high-efficient clean filter screen.
Drawings
FIG. 1 is a schematic structural view of the elastic support member of the present invention being a spring;
FIG. 2 is a schematic structural view of the elastic support member of the present invention being a set of magnet rings;
The labels in the figure are: 1. the device comprises a filter screen, 2, a suction nozzle, 3, a protective sleeve, 301, a pressure balance hole, 4, a screw, 5, a suction nozzle connecting pipe, 6, a sewage suction branch pipe, 7, a sewage suction main pipe, 8, a sealing ring, 9, a protective cavity, 10, a spring, 11, a first magnet ring, 12 and a second magnet ring.
Detailed Description
In the description of the present invention, it should be understood that the orientations and positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like are based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation; therefore, should not be construed as limiting the scope of the invention. In addition, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed, and the specific meaning of the terms in the present invention can be understood by those skilled in the art according to specific situations.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
As shown in figure 1, the dirt suction device of an automatic back flush filter comprises a main dirt suction pipe 7, a main dirt suction pipe 6 is vertically arranged on the main dirt suction pipe 7, the vertical angle between the central lines of the main dirt suction pipe 7 and the main dirt suction pipe 6 is 90 degrees plus or minus 5 degrees, a step hole is arranged in an inner hole of one end of the main dirt suction pipe 6 far away from the main dirt suction pipe 7, a suction nozzle connecting pipe 5 is fixedly connected with the step hole of the dirt suction pipe 6, the suction nozzle connecting pipe 5 is in small clearance fit with the dirt suction pipe 6 and adopts a sealing ring 8 to seal the connecting position, the upper end of the inner hole of the suction nozzle connecting pipe 5 is provided with a funnel-shaped taper, the lower end of the inner hole is provided with a skirt-shaped taper, the part of the suction nozzle connecting pipe 5 above the dirt suction pipe 6 is provided with a step 501 convenient for positioning and installation of the suction, the outer surface of the step 501 of the suction nozzle connecting pipe 5 is sleeved with a protective sleeve 3, the lower end of the protective sleeve 3 is provided with a screw 4, the protective sleeve 3 is fixedly connected with the suction nozzle connecting pipe 5 through the screw 4, an inner flange is arranged in an inner hole of the protective sleeve 3, an outer flange is arranged on the outer surface of the lower end of the suction nozzle 2, the suction nozzle 2 is slidably clamped with the upper end of the protective sleeve 3 through the outer flange and the inner flange, the bottom surface of, a protection cavity 9 is formed between the outer surface of the part, located above the step, of the suction nozzle connecting pipe 5 and the inner hole surface of the protective sleeve 3, an elastic supporting part used for adjusting the position of the suction nozzle 2 in a telescopic mode is arranged in the protection cavity 9, the elastic supporting part is a spring 10 sleeved on the suction nozzle connecting pipe 5, the upper end of the spring 10 is in contact with the end face of the bottom of the suction nozzle 2, the lower end of the spring 10 is supported on the end face of the step 501 of the suction nozzle connecting pipe 5, and a pressure balance hole 301 used for balancing the pressure in the protection cavity 9 so.
Example 2
In this embodiment, the other structure is the same as that in embodiment 1, except that the elastic support member is provided, as shown in fig. 2, the elastic support member includes a first magnet ring 11 and a second magnet ring 12 used in cooperation with the first magnet ring 11 to telescopically adjust the position of the suction nozzle 2, the first magnet ring 11 is disposed on the bottom end surface of the suction nozzle 2, the second magnet ring 12 is disposed on the step 501 end surface of the suction nozzle connecting pipe 5, the corresponding surfaces of the first magnet ring 11 and the second magnet ring 12 are homopolar, and the size of the mutual repulsion force can be adjusted according to the distance between the two magnet rings and the size of the two magnet rings, so as to ensure that the suction nozzle 2 is attached to the filter screen 1 and a small amount of displacement is possible.
The working principle is as follows: during normal work, sewage filters the entering A district through filter screen 1 from the B district, increase along with the filth gathers on filter screen 1, cause the pressure differential increase between A district and the B district, reach a definite value when pressure differential, start the soil pick-up device through electric automatic control mode or manual mode, utilize the pressure differential between the A district and the soil pick-up person in charge 7 district, clear water backwash filter screen 1 after the filtration, the filth on attached to filter screen 1 passes through backwash water entering suction nozzle 2, then be responsible for 7 discharge filter screens 1 along soil pick-up branch pipe 6 and soil pick-up. Meanwhile, the transmission device drives the main sewage suction pipe 7 to rotate around the central line of the filter screen or rotate in the opposite direction, meanwhile, the main sewage suction pipe 7 reciprocates axially, the main sewage suction pipe 7 drives the branch sewage suction pipes 6 and the suction nozzles 2 to rotate and move axially along the filter screen 1 during rotation and axial movement, the suction nozzles 2 perform spiral reciprocating movement to clean and suck sewage in all areas of the filter screen 1, and the suction nozzles 2 can move axially along the suction nozzle connecting pipes 5 during cleaning so that the suction nozzles 2 are tightly attached to the filter screen 1. The suction nozzle 2 and the suction nozzle support 5 are both made of a low friction material, such as PTFE, but not limited thereto.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (7)
1. The utility model provides an automatic dirt absorbing device of back flush filter which characterized in that: comprises a sewage suction main pipe (7), a sewage suction branch pipe (6) is vertically arranged on the sewage suction main pipe (7), a suction nozzle connecting pipe (5) is fixedly connected in an inner hole at one end of the sewage suction branch pipe (6) far away from the sewage suction main pipe (7), a step (501) convenient for positioning and installing the suction nozzle connecting pipe (5) is arranged on the part of the suction nozzle connecting pipe (5) above the sewage suction branch pipe (6), a suction nozzle (2) is arranged on the end part of the suction nozzle connecting pipe (5) above the step (501) in a sliding sealing manner, a protective sleeve (3) is sleeved on the outer surface of the step (501) of the suction nozzle connecting pipe (5), an inner hole at the upper end of the protective sleeve (3) is clamped with the outer surface of the lower end of the suction nozzle (2) in a sliding manner, a protective cavity (9) is formed between the outer, an elastic supporting part used for adjusting the position of the suction nozzle (2) in a telescopic mode is arranged in the protection cavity (9), and a pressure balance hole (301) used for balancing the pressure in the protection cavity (9) so as to adjust the position of the suction nozzle (2) is formed in the protection sleeve (3).
2. The soil pick-up device of an automatic back-flushing filter as claimed in claim 1, wherein: the upper end of the sewage suction branch pipe (6) is sleeved with the suction nozzle connecting pipe (5), and a step hole convenient for matching with the suction nozzle connecting pipe (5) is formed in the part.
3. The soil pick-up device of an automatic back-flushing filter as claimed in claim 1, wherein: the upper end of the inner hole of the suction nozzle connecting pipe (5) is provided with funnel-shaped taper, and the lower end of the inner hole of the suction nozzle connecting pipe is provided with skirt-shaped taper.
4. The soil pick-up device of an automatic back-flushing filter as claimed in claim 1, wherein: an outer flange is arranged on the outer surface of the lower end of the suction nozzle (2), an inner flange is arranged in the inner hole of the protective sleeve (3) and is connected with the upper outer flange of the suction nozzle (2) in a clamped mode, and the suction nozzle (2) is limited through the outer flange and the inner flange.
5. The soil pick-up device of an automatic back-flushing filter as claimed in claim 1, wherein: the lower end of the protective sleeve (3) is provided with a screw (4), and the protective sleeve (3) is fixedly connected with the suction nozzle connecting pipe (5) through the screw (4).
6. The soil pick-up device of an automatic back-flushing filter as claimed in claim 1, wherein: the elastic supporting part is a spring (10) sleeved on the suction nozzle connecting pipe (5), the upper end of the spring (10) is in contact with the end face of the bottom of the suction nozzle (2), and the lower end of the spring (10) is supported on the end face of a step (501) of the suction nozzle connecting pipe (5).
7. the soil pick-up device of an automatic back-flushing filter as claimed in claim 1, wherein: the elastic support component comprises a first magnet ring (11) and a second magnet ring (12) which is matched with the first magnet ring (11) to be used for telescopically adjusting the position of the suction nozzle (2), the first magnet ring (11) is arranged on the end face of the bottom of the suction nozzle (2), and the second magnet ring (12) is arranged on the end face of a step (501) of the suction nozzle connecting pipe (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920255436.3U CN209752276U (en) | 2019-02-28 | 2019-02-28 | Automatic dirt absorbing device of back flush filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920255436.3U CN209752276U (en) | 2019-02-28 | 2019-02-28 | Automatic dirt absorbing device of back flush filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209752276U true CN209752276U (en) | 2019-12-10 |
Family
ID=68752955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920255436.3U Active CN209752276U (en) | 2019-02-28 | 2019-02-28 | Automatic dirt absorbing device of back flush filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209752276U (en) |
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2019
- 2019-02-28 CN CN201920255436.3U patent/CN209752276U/en active Active
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Effective date of registration: 20210120 Address after: No. 169, Binhe South Road, Luolong District, Luoyang City, Henan Province Patentee after: NO.725 RESEARCH INSTITUTE OF CHINA SHIPBUILDING INDUSTRY Corp. Address before: 471000 shuangxiang Road, Luoxin Industrial Park, Xin'an County, Luoyang City, Henan Province Patentee before: LUOYANG SHUANGRUI METAL COMPOSITE MATERIALS Co.,Ltd. |