CN212854915U - Maintenance-free automatic pollution discharge straight-through type micro-resistance filter - Google Patents
Maintenance-free automatic pollution discharge straight-through type micro-resistance filter Download PDFInfo
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- CN212854915U CN212854915U CN202022191557.1U CN202022191557U CN212854915U CN 212854915 U CN212854915 U CN 212854915U CN 202022191557 U CN202022191557 U CN 202022191557U CN 212854915 U CN212854915 U CN 212854915U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000001914 filtration Methods 0.000 claims abstract description 19
- 238000012544 monitoring process Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 description 15
- 238000013461 design Methods 0.000 description 11
- 238000012423 maintenance Methods 0.000 description 10
- 238000009434 installation Methods 0.000 description 8
- 239000010865 sewage Substances 0.000 description 8
- 238000003466 welding Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 239000004429 Calibre Substances 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a through hinders filter a little about automatic blowdown of non-maintaining relates to the micro-resistance filter field, the casing includes and is "T" type cavity structure, the one end of casing is equipped with the water inlet that is linked together with "T" type cavity structure is inside, the other end of casing is equipped with the delivery port that is linked together with "T" type cavity structure is inside, water inlet and delivery port are located same water flat line, be equipped with the pilot hole on the casing, this a through hinders filter a little of automatic blowdown of non-maintaining still includes: the filtering component is arranged in the T-shaped cavity structure; and the blind plate is arranged at the assembling hole of the shell. The technical scheme of the disclosure has higher filtering efficiency, and does not change a fluid flow channel in the filtering process and bring extra turbulence; the low-resistance environment in the filter is guaranteed, and the efficient work of the water pump is guaranteed.
Description
Technical Field
The utility model discloses a hinder the filter field a little, especially relate to a maintenance-free automatic blowdown through type hinders filter a little.
Background
In a pipe transportation system, a filter is provided in a pipe to filter impurities in a fluid, thereby preventing a pipe from being clogged or equipment at an end of the pipe from being damaged due to the impurities. At present, the most common type of filter in engineering is the Y-type filter, but the following disadvantages exist:
1. because the structural property of Y type filter itself makes high-speed fluid take place the turbulent flow when passing through Y type filter, if the filter mounted position is close to water pump (power supply) then the turbulent flow that Y type filter brought can directly influence the water pump, thereby easily causes the uneven cavitation phenomenon that aggravates of water pump suction end pressure, the greatly reduced water pump life-span to reduce water pump work efficiency.
2. The Y-shaped filter blind plate (maintenance port) is connected in a flange manner, the blind plate needs to be removed during maintenance, the filter needs to be taken out for cleaning, professional workers are needed during removal and installation, the operation is complex, the time consumption is long, the rubber gasket needs to be replaced again after removal, and the Y-shaped filter has certain height requirement during installation due to the special structural design, so that hoisting equipment needs to be used during maintenance of the large-caliber Y-shaped filter;
in summary, it is an urgent need to solve the problem of designing a maintenance-free automatic blowdown straight-through type micro-resistance filter.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems in the related art, the embodiment of the utility model provides a maintenance-free automatic blowdown through-type hinders filter a little. The technical scheme is as follows:
according to the utility model discloses a first aspect of the embodiment provides a maintenance-free automatic blowdown through-type hinders filter a little, which comprises a housin, the casing includes and is "T" type cavity structure, the one end of casing is equipped with the water inlet that is linked together with "T" type cavity structure is inside, the other end of casing is equipped with the delivery port that is linked together with "T" type cavity structure is inside, water inlet and delivery port are located same water flat line, be equipped with the pilot hole on the casing, this kind of maintenance-free automatic blowdown through-type hinders filter a little still includes:
the filtering component is arranged in the T-shaped cavity structure;
and the blind plate is arranged at the assembling hole of the shell.
In one embodiment, the filter assembly comprises:
a filter screen frame;
at least one filter screen, at least one slice the filter screen is fixed in on the filter screen frame.
In one embodiment, a guide groove is formed in the middle of the T-shaped cavity structure, the filter screen frame is embedded in the guide groove, and the opening direction of the guide groove is perpendicular to the water drainage direction of the T-shaped cavity structure.
In one embodiment, a drain outlet communicated with the outside is formed in the guide groove, and a drain hole is formed on a part of the surface of the filter screen frame, to which the drain outlet is projected.
In one embodiment, the surface of the blind plate forms a pressure relief hole penetrating through the upper surface and the lower surface.
In one embodiment, a raised ring for insertion into the assembly hole is formed at the edge of the lower surface of the blind plate.
In one embodiment, the clamping device further comprises a clamping band, wherein the clamping band is fixed on the surface of the shell and used for fixing the relative position of the blind plate and the assembling hole in the shell.
In one embodiment, the surface of the housing forms more than one flow monitoring aperture.
The utility model discloses a technical scheme that embodiment provided can include following beneficial effect:
firstly, a straight-through type filtering design is formed by utilizing a T-shaped cavity structure, a fluid channel is not changed, turbulence is not easy to generate, no special position and space requirements are required for the installation position (height), and the straight-through type filtering design can be directly installed at the suction end of a water pump;
the second filter screen is more than one filter screen, and the design of forming the W-shaped filter screen increases the effective filtering area of the filter screen, so that the resistance of the filter is reduced;
thirdly, the blind plates connected in the groove type are easy and convenient to disassemble and assemble, can be disassembled and assembled without professional workers, are easy and convenient to maintain, do not need to replace a new gasket, and do not have extra material consumption cost;
fourthly, the design of a guide groove and a sewage draining outlet on the shell and a sewage draining hole on the filter screen frame filters impurities to be accumulated at the sewage draining outlet under the combined action of gravity and water flow impact, and the impurities (the diameter is less than 25mm) can be removed by opening a sewage draining valve, so that the disassembly-free self-sewage draining function can be realized, and the maintenance frequency of the disassembly-assembly blind plate is reduced;
and fifthly, more than one measurement preformed hole can be designed to be shared with a pressure gauge, a thermometer, a dosing tube and the like, and extra welding on a pipeline is avoided when in need.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
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.
FIG. 1 is a perspective view of a maintenance-free automatic blowdown straight-through type micro-resistance filter of the present invention;
FIG. 2 is a front view of a maintenance-free automatic blowdown straight-through type micro-resistance filter of the present invention;
FIG. 3 is a partial cross-sectional view of a maintenance-free automatic blowdown straight-through micro-resistance filter of the present invention;
fig. 4 is a schematic view of a first structure of the blind plate of the present invention;
fig. 5 is a second structural schematic diagram of the blind plate of the present invention;
fig. 6 is a schematic structural diagram of the filter screen frame of the present invention;
fig. 7 is a schematic structural view of the filter assembly of the present invention;
reference numerals:
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The utility model discloses a technical scheme that the embodiment provided relates to a maintenance-free automatic blowdown through type hinders filter a little, especially relates to the filter field that hinders a little. In the related technology, 1, because of the structural property of the Y-shaped filter, turbulent flow is generated when high-speed fluid passes through the Y-shaped filter, if the installation position of the filter is close to a water pump (power source), the turbulent flow brought by the Y-shaped filter can directly influence the water pump, so that the phenomenon of cavitation erosion is aggravated due to uneven pressure at the suction end of the water pump, the service life of the water pump is greatly reduced, and the working efficiency of the water pump is reduced; the flange type connection that Y type filter blind plate (maintenance mouth) adopted, need demolish the blind plate during maintenance to take out the filter and wash, need professional staff when demolising and installing, complex operation, it is long consuming time, need change the rubber packing ring again after demolising, and Y type filter has certain altitude requirement when the installation owing to its special structural design, so need use hoisting equipment when maintaining to heavy-calibre Y type filter. Based on the technical scheme, the maintenance-free automatic pollution discharge straight-through type micro-resistance filter provided by the technical scheme adopts a straight-through type filtering design, does not change a fluid channel, is not easy to generate turbulent flow, has no special position and space requirements on the installation position (height), and can be directly installed at the suction end of a water pump; the effective filtering area of the filter screen is increased by the design of the W-shaped filter screen, so that the resistance of the filter is reduced; the U-shaped filter screen frame brings higher strength; the groove type connected blind plates are easy and convenient to disassemble and assemble, can be disassembled and assembled without professional workers, are easy and convenient to maintain, do not need to replace a new gasket, and do not have extra material consumption cost; the design of the guide groove and the drain outlet on the shell and the drain hole on the filter screen frame filters impurities accumulated at the drain outlet under the combined action of gravity and water flow impact, and the impurities (the diameter is less than 25mm) can be removed by opening the drain valve, so that the disassembly-free self-draining function can be realized, and the maintenance frequency of the disassembly-assembly blind plate is reduced; the four measurement preformed holes can be designed to be shared with a pressure gauge, a thermometer, a dosing tube and the like, and extra welding on the pipeline when in need is avoided.
Fig. 1 is a schematic structural diagram schematically illustrating a maintenance-free automatic blowdown straight-through type micro-resistance filter provided by the technical scheme of the present invention. According to fig. 1 to 7, the casing 1 includes a "T" type cavity structure, one end of the casing 1 is provided with a water inlet communicated with the inside of the "T" type cavity structure, the other end of the casing 1 is provided with a water outlet communicated with the inside of the "T" type cavity structure, the water inlet and the water outlet are located on the same horizontal line, the casing 1 is provided with an assembly hole, and the maintenance-free automatic pollution discharge straight-through type micro-resistance filter further comprises: the filtering component is arranged in the T-shaped cavity structure; the blind plate 5 and the blind plate 5 are arranged at the assembling hole of the shell, and it is further pointed out that the T-shaped cavity structure in the shell 1 adopts a straight-through structure, so that the filter has smaller installation space and higher filtering efficiency compared with the traditional Y-shaped filter, and a fluid flow passage is not changed in the filtering process, and no additional turbulence is brought.
Further, the filter assembly includes: a filter screen frame 7; a pair of filter screen 9, a pair of filter screen 9 is fixed in on filter screen frame 7, it needs further to point out, filter screen frame 7 is stainless steel frame, filter screen frame 7 includes main frame 701 and backup pad 702, main frame 701 is confined U-shaped structure, backup pad 702 sets up on the axis of confined U-shaped structure, divide into left part and right part with confined U-shaped structure, left part and right part do not assemble fixed filter screen 9, because the edge of filter screen 9 is fixed with filter screen frame 7's edge, in the blowdown process, receive the impact force of sewage, two parts filter screen 9 all form W type structure to the arch of one side, the effective filter area of filter screen has been increased in W type filter screen design, make the filter resistance reduce.
Preferably, the filter screen 9 is a 304 stainless steel filter screen, and a filter basket type design is adopted, so that the filter screen has a larger effective filtering area than a traditional Y-shaped filter.
In one embodiment, a guide groove 2 is formed in the middle of the T-shaped cavity structure, the filter screen frame 7 is embedded in the guide groove 2, the opening direction of the guide groove 2 is perpendicular to the drainage direction of the T-shaped cavity structure, and it should be further noted that a U-shaped guide groove 2 is formed on the side wall of the T-shaped cavity structure, a filter component is embedded in the guide groove 2, and the filter component is arranged perpendicular to the flow direction of liquid; the bottom of the guide groove 2 forms a sewage outlet 3. The guide groove 2 is used for helping to fix the filtering component, helping to deposit and guide impurities when fluid passes through the filtering screen 9 and the impurities are retained, and discharging the impurities out of the filter through the sewage outlet 3. The drain 3 can discharge filtering impurities with the diameter smaller than 25mm, so that maintenance is avoided, the low-resistance environment in the filter is guaranteed at any time, and the efficient work of the water pump is guaranteed.
Further, a drain valve is arranged at the drain outlet 3 of the shell 1. The blowoff valve is used for discharging the filtering impurity that piles up in the filter, cooperates BA control (the BA System is the Building equipment automatic control System-RTU entirely, can carry out centralized monitoring and automatic management to filter waste fitting discharging through the BA System, realizes automatic blowdown function), can realize regularly automatic blowdown function to guarantee that the System is in minimum resistance at any time.
In the example, the drain 3 formed in the guide groove 2 and communicated with the outside is a pipe thread with a size of 1 ″, the outer diameter of the internal thread is 33mm, and the part of the surface of the filter screen frame 7, on which the drain 3 is projected, forms a drain hole 88.
Further, the surface of the blind plate 5 is formed with a pressure relief hole 6 penetrating the upper and lower surfaces, and it should be further noted that the center of the blind plate 5 is formed with the pressure relief hole 6. The blind plate 5 is only used for dismantling and repairing when the system has large impurities (more than 25mm in diameter). The pressure relief hole 6 is a pipe thread, the size of a thread opening is 1', and the outer diameter of an internal thread is 33 mm.
Preferably, the lower surface edge of blind plate 5 forms the bulge loop 12 that is used for the cartridge to get into the pilot hole, and clamp 10 is fixed in the surface of casing 1 for the relative position of pilot hole on fixed blind plate 5 and the casing 1, it needs further to point out that blind plate 5 is connected for the slot type with casing 1, and fastens through clamp 10 that imbeds clamp 10 slot 11, only needs to dismantle two screws, and single can accomplish the maintenance.
In the example, 4 flow monitoring holes are formed in the surface of the shell, the flow monitoring holes 4 are pipe threads, the size is 1/4", and the external diameter of the internal thread is 14 mm; the flow can be monitored by measuring differential pressure through 4 flow monitoring holes 4 (threaded holes) arranged on the shell 1, the calculation formula is Q √ Δ P × Kv, wherein Q represents the flow, Δ P represents the pressure difference before and after the filter, the Kv value is the flow coefficient of the filter, the flow monitoring device can share joints with a pressure gauge, a thermometer, a dosing pipe and the like, an additional welding interface on a pipeline is omitted, and the threaded connection is quick and clean.
The maintenance-free automatic pollution discharge straight-through type micro-resistance filter in the scheme is connected with the liquid inlet and outlet pipeline and the filter and the blind plate 5 in a groove type manner, so that zero-welding pure mechanical type quick connection can be realized, fluid filtration under any installation condition can be realized, and the maintenance is very convenient.
The maintenance-free automatic pollution discharge straight-through type micro-resistance filter adopting the scheme has the advantages that the straight-through type structure can effectively avoid turbulence caused by the structure of the filter, the U-shaped filter screen frame and the W-shaped filter screen are designed to effectively reduce the resistance of the filter, when the system breaks down and the filter blind plate 5 needs to be detached, the system can be completed by at most two adults without additional training guidance.
In daily operation among the above-mentioned scheme, impurity majority is the welding slag in the conveying line, and impurity is blockked by the filter when passing through the filter, gathers on filter screen 9, and when opening the blowoff valve switch, impurity flows through drain 3 discharge filter along guide groove 2 along with water under the effect of gravity and rivers impact force, thereby need not to dismantle filter screen 9 and realize non-maintaining.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure should be limited only by the attached claims.
Claims (8)
1. The utility model provides a non-maintaining automatic blowdown through-type hinders filter a little, includes the casing, its characterized in that, the casing is including being "T" type cavity structure, the one end of casing is equipped with the water inlet that is linked together with "T" type cavity structure is inside, the other end of casing is equipped with the delivery port that is linked together with "T" type cavity structure is inside, water inlet and delivery port are located same water flat line, be equipped with the pilot hole on the casing, this non-maintaining automatic blowdown through-type hinders filter a little still includes:
the filtering component is arranged in the T-shaped cavity structure;
and the blind plate is arranged at the assembling hole of the shell.
2. A maintenance-free automatic blowdown straight through type micro resistance filter according to claim 1, wherein said filter assembly comprises:
a filter screen frame;
more than one filter screen is fixed on the filter screen frame.
3. The maintenance-free automatic blowdown straight-through type micro-resistance filter of claim 2, wherein a guide groove is formed in the middle of the T-shaped cavity structure, the filter screen frame is embedded in the guide groove, and the opening direction of the guide groove is perpendicular to the drainage direction of the T-shaped cavity structure.
4. A maintenance-free automatic blowdown straight-through type micro resistance filter according to claim 3, wherein a blowdown port communicated with the outside is formed in the guide groove, and a blowdown hole is formed on a part of the surface of the filter screen frame to which the blowdown port is projected.
5. A maintenance-free automatic blowdown straight-through type micro resistance filter according to claim 1, wherein the surface of said blind plate forms a pressure relief hole through the upper and lower surfaces.
6. A maintenance-free automatic blowdown straight-through type micro resistance filter according to claim 1, wherein a convex ring for inserting into the fitting hole is formed at the lower surface edge of the blind plate.
7. A maintenance-free automatic blowdown straight through type micro resistance filter according to claim 6, further comprising a clip fixed to the surface of the housing for fixing the relative position of the blind plate and the assembly hole in the housing.
8. A maintenance-free automatic blowdown straight-through type micro resistance filter according to claim 1, wherein the surface of said housing forms more than one flow monitoring hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022191557.1U CN212854915U (en) | 2020-09-29 | 2020-09-29 | Maintenance-free automatic pollution discharge straight-through type micro-resistance filter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022191557.1U CN212854915U (en) | 2020-09-29 | 2020-09-29 | Maintenance-free automatic pollution discharge straight-through type micro-resistance filter |
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| CN212854915U true CN212854915U (en) | 2021-04-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112044161A (en) * | 2020-09-29 | 2020-12-08 | 中国铁路设计集团有限公司 | Maintenance-free automatic pollution discharge straight-through type micro-resistance filter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112044161A (en) * | 2020-09-29 | 2020-12-08 | 中国铁路设计集团有限公司 | Maintenance-free automatic pollution discharge straight-through type micro-resistance filter |
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