CN212700767U - Straight-through filter device - Google Patents

Straight-through filter device Download PDF

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Publication number
CN212700767U
CN212700767U CN202020571889.XU CN202020571889U CN212700767U CN 212700767 U CN212700767 U CN 212700767U CN 202020571889 U CN202020571889 U CN 202020571889U CN 212700767 U CN212700767 U CN 212700767U
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filter
straight
flow
filter element
awl
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陈逢胜
刘鹏
王岗
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China ENFI Engineering Corp
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China ENFI Engineering Corp
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Abstract

The utility model discloses a straight-through filter device, which is used for being vertically arranged in front of a feed pump for replenishing water to a boiler and comprises a straight cylinder body and a filter element, wherein the upper end of the straight cylinder body is an inlet end, and the lower end of the straight cylinder body is an outlet end; the filter core is the toper and has awl top and awl bottom in the axial, is equipped with the several filtration pore on the toper lateral wall of filter core, and the filter core configuration is in straight barrel, and the awl top is towards entry end and awl bottom and exit end adaptation cooperation. The utility model discloses a through filter device fluid resistance is low, and filter fineness is high, the filter effect is good.

Description

Straight-through filter device
Technical Field
The utility model belongs to the technical field of the pipeline technique and specifically relates to a through filter device is related to.
Background
The water replenishing of the boiler needs a water feeding pump to feed demineralized water into the boiler, a water feeding filter needs to be configured in front of the water feeding pump, the forced circulation boiler is also provided with a hot water circulating pump, a circulating water filter is configured at the inlet of the circulating pump, and the filter is configured in front of the pump to prevent particle impurities from entering the pump, so that the pump is damaged.
The filter is also called dirt remover and filter valve, and is an indispensable device for the pipeline system for conveying the medium.
The filter suitable for the above situation is, as shown in fig. 2, most of the filters currently available on the market are Y-type filters 100. The Y-filter 100 has low filtration accuracy and high resistance. The Y-strainer 100 used in the inlet of the existing pump is a small device for removing small amounts of solid particles from the liquid to protect fittings on the equipment tubing from wear and clogging and to protect the equipment from normal operation. When fluid enters the filter cartridge with a certain size of filter screen, impurities are blocked, and clean filtrate is discharged from the filter outlet. When the filter cartridge needs to be cleaned, the filter cartridge can be taken out and then reloaded after treatment, so that the use and maintenance are very convenient.
The Y-type filter 100 is Y-shaped, and the fluid inlet 1 is one, and the fluid outlet 2 is two, wherein the straight outlet 201 is the fluid outlet, and the inclined outlet 202 is used for settling waste and impurities. The inside stainless steel filter screen that has set up of filter. Water to be treated enters the filter through the inlet, water passing through the filter screen flows out through the through outlet 201, impurities in the water blocked by the filter screen are deposited on the stainless steel filter screen inside the filter, and the filter screen is cleaned regularly through the inclined outlet 202.
The filter element of the current Y-strainer 100 is loaded from the angled outlet 202 and the flow area of the fluid through the filter element is only a portion of the filter element, thus presenting a problem of small actual cross-sectional flow area, resulting in high resistance to fluid flow through the strainer. Meanwhile, in order to prevent the resistance from being too large, the filtering holes in the filter element are large, and the filtering precision of the filter is low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the present invention is to provide a straight-through filter device, which has low fluid resistance, high filtering precision and good filtering effect.
According to the utility model discloses through filter equipment for be vertical configuration before the feed pump to boiler moisturizing, include:
the upper end of the straight cylinder body is an inlet end, and the lower end of the straight cylinder body is an outlet end;
the filter core, the filter core is the toper and has awl top and awl bottom in the axial, be equipped with the several filtration pore on the toper lateral wall of filter core, the filter core configuration is in the straight cylinder, the awl top orientation the entry end just the awl bottom with the cooperation of exit end adaptation.
According to the embodiment of the utility model, the straight-through filter device is determined according to the flow rate and the application occasion, the flow area of the filter element and the size of the filter hole, the straight-through filter device is vertically arranged in front of the water supply pump, the fluid flows into the straight cylinder from the inlet end at the upper end of the straight cylinder, and is filtered by the filter element in the straight cylinder, and the filter element is conical, therefore, the area of the conical side wall of the filter element is relatively large, the conical side wall of the filter element is fully distributed with a large number of filter holes, the flow cross-section area of the filter element can be effectively increased, the resistance of the fluid is reduced, and the filtering precision is effectively improved, meanwhile, the aperture of the filter hole can be smaller than that of the conventional filter hole, so that the filtering precision can be further improved, the conical bottom end is matched with the outlet end, therefore, the filtered fluid flows into, the impurity particles are blocked by the filter holes on the conical side wall of the filter element and are gathered outside the conical side wall of the filter element. To sum up, the utility model discloses through-type filter device fluid resistance is low, and filter fineness is high, the filter effect is good.
According to an embodiment of the invention, the flow cross-sectional area of the filter element is larger than the flow cross-sectional area of the inlet end.
According to the utility model discloses further embodiment, the flow cross sectional area of filter core does 3 ~ 5 times of the flow cross sectional area of entry end.
According to the utility model discloses further embodiment, the aperture of the filtration pore on the filter core is less than the aperture of the filtration pore on the conventional filter core.
According to an embodiment of the present invention, the cone top end of the filter element is close to the inlet end of the straight cylinder.
According to the utility model discloses an embodiment, the filter core that the filter core formed for adopting the steel sheet processing.
According to the utility model discloses an embodiment, the awl bottom limit portion of filter core and the inner circle limit portion welded fastening of packing ring.
According to the utility model discloses further embodiment, the packing ring does the straight barrel the exit end with the preceding pipeline of pump of feed pump between the joint position be used for sealed seal ring.
According to the utility model discloses an embodiment, be provided with the drain on the straight barrel.
According to a further embodiment of the present invention, the drain is close to the outlet end.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of a straight-through filter device according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a Y-filter of the prior art.
Reference numerals:
straight through filter arrangement 1000
Inlet end 11 and outlet end 12 of straight barrel 1
Conical side wall 23 of conical top 21 and conical bottom 22 of filter element 2
Gasket 3
Drain outlet 4
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
A straight-through filter arrangement 1000 according to an embodiment of the invention is described below with reference to fig. 1.
As shown in fig. 1, a straight-through filter device 1000 according to an embodiment of the present invention, which is configured in front of a feed pump for supplying water to a boiler in a vertical manner, includes a straight cylinder 1 and a filter element 2, wherein the upper end of the straight cylinder 1 is an inlet end 11, and the lower end of the straight cylinder 1 is an outlet end 12; the filter element 2 is conical and is provided with a conical top end 21 and a conical bottom end 22 in the axial direction, a plurality of filter holes are arranged on the conical side wall 23 of the filter element 2, the filter element 2 is arranged in the straight cylinder body 1, and the conical top end 21 faces the inlet end 11 and the conical bottom end 22 is matched with the outlet end 12 in a matching manner.
According to the embodiment of the present invention, the straight-through filter device 1000, according to the flow rate, the size of the straight-through filter device 1000, the flow area of the filter element 2 and the size of the filter holes are determined according to the application, the straight-through filter device 1000 is vertically arranged in front of the water supply pump, the fluid flows into the straight cylinder 1 from the inlet end 11 at the upper end of the straight cylinder 1, and is filtered by the filter element 2 inside the straight cylinder 1, the filter element 2 is conical, therefore, the area of the conical sidewall 23 of the filter element 2 is relatively large, the conical sidewall 23 of the filter element 2 is fully distributed with a large number of filter holes, the flow cross-sectional area of the filter element 2 can be effectively increased, the resistance of the fluid is reduced, thereby effectively improving the filtering precision, meanwhile, the aperture of the filter holes can be smaller than that of the conventional filter holes, thereby further improving the filtering precision, the conical bottom end 22 is adapted to the outlet end 12, therefore, the filtered fluid flows, the foreign particles are blocked by the filtering holes on the conical side wall 23 of the filter element and are gathered outside the filter element 2. To sum up, the utility model discloses through-type filter device 1000 fluid resistance is low, and filter fineness is high, the filter effect is good.
According to an embodiment of the invention, the flow cross-sectional area of the filter element 2 is larger than the flow cross-sectional area of the inlet end 11. Therefore, the resistance of the fluid can be greatly reduced, so that the flow rate of the fluid is reduced, and the filtering precision is effectively improved.
According to the utility model discloses further embodiment, the flow cross sectional area of filter core 2 is 3 ~ 5 times of the flow cross sectional area of entry end 11. For example, the flow cross-sectional area of the filter element 2 may be 3 times, 4 times or 5 times the flow cross-sectional area of the inlet end 11, which effectively reduces the resistance of the fluid and thus effectively improves the filtering accuracy.
According to the utility model discloses further embodiment, the aperture of the filtration pore on the filter core 2 is less than the aperture of the filtration pore on the conventional filter core 2. In this way, the filtration accuracy of the filter element 2 can be improved.
According to one embodiment of the present invention, the conical top end 21 of the filter cartridge 2 is close to the inlet end 11 of the straight cylinder 1. Thus, the flow cross-sectional area of the filter element 2 can be further increased, the resistance of the fluid can be reduced, and the filtering accuracy can be improved.
According to the utility model discloses an embodiment, filter core 2 is the filter core 2 that adopts the steel sheet processing to form. For example, the filter element 2 can be manufactured by processing a steel plate into a fan shape, punching a plurality of filter holes on the fan-shaped steel plate, and rolling the fan-shaped plate punched with the filter holes into a cone shape, so that the filter element 2 is simple to process, not easy to damage and long in service life.
According to an embodiment of the present invention, the cone bottom end 22 of the filter element 2 is welded to the inner ring edge of the washer 3. Therefore, the filter element 2 can be conveniently taken out from the outlet end 12, and the filter element 2 can also be conveniently positioned and installed, so that the disassembly is convenient.
According to a further embodiment of the present invention, the gasket 3 is a sealing gasket 3 for sealing at a connection portion between the outlet end 12 of the straight cylinder 1 and the pump front pipe of the feed pump. That is to say, the filter element 2 is welded and fixed with the sealing washer 3 for sealing at the connecting part between the outlet end 12 of the straight cylinder 1 and the pump front pipeline of the water feeding pump, so that the filter element 2 can be conveniently mounted and dismounted, and meanwhile, the fluid leakage at the outlet end 12 of the straight cylinder 1 can be avoided by arranging the sealing washer 3.
According to an embodiment of the utility model, be provided with drain 4 on the straight barrel 1. It can be understood that, during the operation of the straight-through filter device 1000, the foreign particles will be accumulated on the periphery of the filter element 2, and the foreign particles in the straight-through filter device 1000 can be discharged by periodically opening the sewage discharge outlet 4, so that the operation is simple and the working hours are saved.
According to a further embodiment of the invention, the discharge opening 4 is close to the outlet end 12. Thus, impurity particles in the straight-through filter device 1000 can be discharged as much as possible, and the sewage discharge effect is good.
The following describes a validation experiment of a flow-through filter apparatus 1000 according to an embodiment of the present invention, with the following steps:
prepare 4 sets the utility model discloses through type filter device 1000 according to the size of flow, use occasion, through accurate calculation, confirms through type filter device 1000's size, the flow area of filter core 2 and the size of filtration pore.
Wherein 2 sets of the water feeding filter are used as a water feeding pump, the flow of a single set of the water feeding filter is 46m3/h, the medium is the water for feeding and removing oxygen, the water temperature is 104 ℃, and the pressure is 0.1 MPa.
The other 2 sets of the circulating water filters are used as circulating water pumps, the flow rate of each set of the circulating water filters is 850m3/h, the medium is boiler water for a boiler, the water temperature is 257 ℃, and the pressure is 5.0 MPa.
In the operation process of the verification experiment, the operation condition is good, the fluid resistance is low, the filtering effect is good, and the normal operation of a subsequent pump can be effectively ensured.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (9)

1. A straight through filter device for vertical disposition in front of a feed pump for feeding water to a boiler, comprising:
the upper end of the straight cylinder body is an inlet end, and the lower end of the straight cylinder body is an outlet end;
the filter core, the filter core is the toper and has awl top and awl bottom in the axial, be equipped with the several filtration pore on the toper lateral wall of filter core, the filter core configuration is in the straight cylinder, the awl top orientation the entry end just the awl bottom with the cooperation of exit end adaptation.
2. A flow-through filter arrangement according to claim 1 wherein the flow cross-sectional area of the filter element is greater than the flow cross-sectional area of the inlet end.
3. A flow-through filter apparatus as set forth in claim 2 wherein said filter element has a cross-sectional flow area of from 3 to 5 times the cross-sectional flow area of said inlet end.
4. A flow-through filter apparatus as set forth in claim 1 wherein said conical tip of said filter cartridge is proximate said inlet end of said straight barrel.
5. A flow-through filter arrangement according to claim 1 wherein the filter element is a steel sheet machined filter element.
6. A flow-through filter arrangement as claimed in claim 1, wherein the edge of the conical end of the filter insert is welded to the edge of the inner collar of the gasket.
7. A flow-through filter arrangement according to claim 6 wherein said gasket is a sealing gasket for sealing at the junction between said outlet end of said straight body and the pre-pump line of said feed pump.
8. A straight through filter device according to claim 1 wherein a drain outlet is provided in the straight barrel.
9. A straight through filter arrangement according to claim 8 wherein the drain outlet is adjacent the outlet end.
CN202020571889.XU 2020-04-16 2020-04-16 Straight-through filter device Active CN212700767U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020571889.XU CN212700767U (en) 2020-04-16 2020-04-16 Straight-through filter device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020571889.XU CN212700767U (en) 2020-04-16 2020-04-16 Straight-through filter device

Publications (1)

Publication Number Publication Date
CN212700767U true CN212700767U (en) 2021-03-16

Family

ID=74944300

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020571889.XU Active CN212700767U (en) 2020-04-16 2020-04-16 Straight-through filter device

Country Status (1)

Country Link
CN (1) CN212700767U (en)

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