CN214209632U

CN214209632U - Spiral dirt collecting device with coarse filter

Info

Publication number: CN214209632U
Application number: CN202022457041.7U
Authority: CN
Inventors: 肖松; 李涛; 苏苗; 杨勇
Original assignee: Reflex Hvac Equipment Shanghai Co ltd
Current assignee: Reflex Hvac Equipment Shanghai Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-09-17
Anticipated expiration: 2030-10-30

Abstract

The utility model provides a take dirty device of spiral collection of coarse filter, which comprises a valve body, the valve body is imported through first pipeline intercommunication, the valve body passes through the export of second pipeline intercommunication, be equipped with blowdown portion on the valve body, the inside filter element group that is equipped with of valve body, its characterized in that: a pre-coarse filter is arranged in the first pipeline. The utility model provides a how that prior art exists simpler, conveniently carry out leading filterable problem to pipeline water in the dirty device of spiral collection.

Description

Spiral dirt collecting device with coarse filter

Technical Field

The utility model relates to a warm logical air conditioner, water supply equipment technical field especially relate to a take dirty device of spiral collection of coarse filter.

Background

When the existing spiral sewage collecting device is applied to a system (the whole sewage collecting system including the spiral sewage collecting device), a client additionally arranges a pipeline water filter at the front end of the spiral sewage collecting device according to requirements. Because the dirty device filter core of spiral collection is extremely meticulous, if do not install "protection device", some unknown debris in the system can cause the phenomenon such as the jam of the dirty device inner filter core of spiral collection to take place, damage, cause the reduction of product function and influence the stability of system. But the pipeline water filter is additionally arranged at the front end of the spiral sewage collecting device, so that the operation is complex and the cost is higher.

Therefore, how to simply and conveniently carry out pre-filtration on the pipeline water in the spiral sewage collecting device becomes a problem to be solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take dirty device of spiral collection of coarse filter, how to solve above-mentioned prior art existence simpler, conveniently carry out leading filterable problem to pipeline water in the dirty device of spiral collection inside, and the dirty device of spiral collection of a take coarse filter who provides.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is: the utility model provides a take dirty device of spiral collection of coarse filter, includes the valve body, the valve body is imported through first pipeline intercommunication, the valve body passes through the export of second pipeline intercommunication, be equipped with blowdown portion on the valve body, the inside filter element group that is equipped with of valve body, its characterized in that: a pre-coarse filter is arranged in the first pipeline.

Furthermore, the pre-coarse filter comprises a pre-coarse filter screen, and the pre-coarse filter screen is arranged in the first pipeline.

Furthermore, leading coarse filter screen is connected with first pipeline inside wall.

Furthermore, the preposed coarse filter also comprises an access hand hole and an access blind plate, the access hand hole is arranged on the first pipeline between the inlet and the preposed coarse filter screen, and the access hand hole is communicated with the inside and the outside of the first pipeline; the overhauling hand hole is provided with an overhauling blind plate; and a second pollution discharge ball valve is also arranged at the bottom of the overhauling blind plate.

Furthermore, the angle range of the included angle between the front coarse filter screen and the vertical direction is 0-45 degrees.

Furthermore, the range of the aperture and the mesh number of the front coarse filter screen is 10-120 meshes.

Further, the hand hole is located under the first pipeline, and the hand hole is T-shaped with the first pipeline.

Further, the sewage discharge part is a first sewage discharge ball valve which is positioned at the bottom end of the valve body; the filter element group in the valve body is a precise spiral filter element group.

Further, the service hand hole size specification is not less than DN 50.

The utility model provides a take dirty device of spiral collection of coarse filter, includes the valve body, is equipped with blowdown portion on the valve body, the inside filter element group, its characterized in that of being equipped with of valve body: the inlet end of the valve body is provided with a front coarse filtering device.

In view of the above technical features, the utility model discloses following beneficial effect has:

1. the utility model provides a take dirty device of spiral collection of coarse filter, simple structure, it is with low costs, it is convenient to use, can collect dirty device at the spiral and inside carry out leading filtration to pipeline water, effectively prevent in the system that some unknown debris can cause phenomenons such as the jam of the dirty device inside filter core of spiral collection to take place, cause the reduction of product function and influence system's stability.

Drawings

Fig. 1 is a front view of a spiral sewage collecting device with a coarse filter in embodiment 1.

Fig. 2 is a cross-sectional view a-a of fig. 1.

In the figure: 100 is a front coarse filter screen; 200 is a hand hole for maintenance; 300 is an overhaul blind plate; 400 is a second blowdown ball valve; 500 is a precise spiral filter element group; 600 is a first blowdown ball valve; 700 is a valve body; 701 is a first pipeline; 702 is a second conduit; 703 is an inlet; 704 is the outlet.

Detailed Description

The present invention will be further described with reference to the following detailed description. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

Referring to fig. 1 and fig. 2, in specific embodiment 1, in this embodiment 1, a spiral sewage collecting device with a coarse filter is provided, including a valve body 700, where the valve body 700 is communicated with an inlet 703 through a first pipeline 701, the valve body 700 is communicated with an outlet 704 through a second pipeline 702, a sewage discharging part is provided on the valve body 700, a filter element group is provided inside the valve body 700, and the spiral sewage collecting device is characterized in that: a pre-coarse filter is arranged in the first pipeline 701.

The function purpose is to perform pre-filtration (or referred to as "pre-coarse filtration") on the liquid (such as water) or gas entering the inlet 703, and the filtered water or gas enters the spiral sewage collecting device to perform filtration and sewage discharge, so as to protect the filter element group in the spiral sewage collecting device and prevent the filter element group from being blocked and/or damaged. The valve body 700 is a spiral sewage collecting device valve body 700.

The pre-coarse filter comprises a pre-coarse filter screen 100, and the pre-coarse filter screen 100 is arranged in the first pipeline 701. The pre-coarse filter screen 100 is a specific component for pre-coarse filtering the liquid or gas flowing through the first pipe 701.

The pre-coarse filter screen 100 is connected with the inner side wall of the first pipeline 701. That is, the pre-coarse filter screen 100 is connected to the inner side wall of the first pipe 701, so as to implement the function of pre-coarse filtering the liquid or gas flowing through the first pipe 701 by the pre-coarse filter screen 100, and preferably, the peripheral edge of the pre-coarse filter screen 100 is connected to the inner side wall of the first pipe 701. The connection here may be welding, or a groove or a concave-convex portion may be used to fix the pre-coarse filter screen 100, so that the pre-coarse filter screen is placed in the first pipe 701 and performs pre-coarse filtering on the liquid or gas flowing through the first pipe 701; in order to realize the function of the pre-coarse filter screen 100 for pre-coarse filtering the liquid or gas flowing through the first pipeline 701, preferably, the pre-coarse filter screen 100 covers the whole cross section or the whole inclined cross section of the first pipeline 701, so as to ensure that the liquid or gas flowing through the first pipeline 701 is completely coarse filtered by the pre-coarse filter screen 100, improve the filtering effect of the coarse filtering, and improve the protection effect of the pre-coarse filter on the filter element group in the spiral sewage collecting device; the pre-coarse filter screen 100 can be a mesh layer or a multi-layer mesh layer, the more the mesh layers, the better the pre-coarse filter effect, but the liquid or gas flow speed is relatively reduced, in this embodiment 1, the pre-coarse filter screen 100 adopts 1 layer or 2 layers, which not only ensures the pre-coarse filter effect, but also ensures the liquid or gas flow speed.

The front coarse filter also comprises an inspection hand hole 200 and an inspection blind plate 300, wherein the inspection hand hole 200 is arranged on a first pipeline 701 between an inlet 703 and the front coarse filter screen 100, and the inspection hand hole 200 is communicated with the inside and the outside of the first pipeline 701; the maintenance hand hole 200 is provided with a maintenance blind plate 300; the bottom of the overhaul blind plate 300 is also provided with a second blowdown ball valve 400.

The access hand hole 200 is used for installing, repairing and/or replacing the pre-coarse filter screen 100, and the access blind plate 300 is used for controlling the access hand hole 200 to be opened and closed, and is preferably arranged at an opening part at one end of the access hand hole 200 communicated with the external space of the first pipeline 701. The second blowdown ball valve 400 is designed, so that under the condition that the overhaul blind plate 300 is not opened, sewage in the overhaul hand hole 200 or other pollutants filtered by the front coarse filter screen 100 can be discharged out of the valve body 700 by opening the second blowdown ball valve 400, and the overhaul blind plate 300 does not need to be frequently opened to help the front coarse filter screen 100 to carry out blowdown. Or the water and dirt in the front coarse filter part can be drained through the second drain ball valve 400 and then the maintenance operation is carried out. That is to say, overhaul hand hole 200 and overhaul blind plate 300 and can realize detachably overhauing leading coarse filter screen 100, conveniently dismantle leading coarse filter screen 100. Meanwhile, impurities filtered by the pre-coarse filter are discharged and cleaned through the maintenance hand hole 200 and the second blowdown ball valve 400 arranged below the first pipeline 701.

The angle range of the included angle between the front coarse filter screen 100 and the vertical direction is 0-45 degrees. That is, the filter screen can be vertical or inclined, the pre-filtering function of the pre-coarse filter screen 100 can be realized, preferably, the included angle between the pre-coarse filter screen 100 and the vertical direction is 45 degrees, and the filtering area of the pre-coarse filter screen 100 contacted with liquid or gas is enlarged.

The pre-coarse filter screen 100 is used for primary coarse filtration, the pre-coarse filter screen 100 is designed according to a standard filter screen GB/T5330, and the aperture mesh range of the pre-coarse filter screen 100 is 10-120 meshes. The method can be selected according to different system characteristics. The front coarse filter screen 100 is made of a Q235B carbon steel plate or a 304 stainless steel plate, round holes with the aperture within the range of 10-120 are densely distributed on the cross section of fluid, and impurities with the particle diameter larger than the aperture range in the fluid are blocked.

The hand hole 200 is located under the first pipeline 701, and the hand hole 200 and the first pipeline 701 are in a T shape. In the design structure, a similar T-shaped pipeline filter part is additionally arranged at the inlet of a water inlet pipeline (namely a first pipeline 701) of the original spiral sewage collecting device, the part comprises a front coarse filter screen 100, and the bottom of the part is additionally provided with a second blow-off valve and a hand hole 200.

The sewage discharging part is a first sewage discharging ball valve 600, and the first sewage discharging ball valve 600 is positioned at the bottom end of the valve body 700; the filter element group in the valve body 700 is a precise spiral filter element group 500. The pre-coarse filter screen 100 is installed on the inlet side (i.e. the inlet side of the valve body 700, actually located in the first pipe 701) and located in front of the fine spiral filter element group 500, so as to effectively protect the filter element group and prevent blockage and damage.

The size specification of the maintenance hand hole 200 is not less than DN50, namely the maintenance hand hole 200 is in a round hole shape and the diameter specification is not less than DN 50. The specification design makes things convenient for the maintainer to carry out detachable washing and/or maintenance to leading coarse filter screen 100 through overhauing hand hole 200 like this.

The utility model discloses newly increased preliminary coarse filtration function under the dirty function of original spiral collection, collect "the dirty device of spiral collection" and "leading coarse filter" as an organic whole to can effectively provide a system solution that integrates, effectively protect the accurate spiral filter element group 500 in the dirty device of spiral collection, effectively prolong the life of accurate spiral filter element group 500.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.

Claims

1. The utility model provides a take dirty device of spiral collection of coarse filter, includes valve body (700), valve body (700) are imported (703) through first pipeline (701) intercommunication, valve body (700) are through second pipeline (702) intercommunication export (704), be equipped with blowdown portion on valve body (700), the inside filter element group, its characterized in that of being equipped with of valve body (700): a pre-coarse filter is arranged in the first pipeline.

2. The spiral dirt collecting device with the coarse filter as claimed in claim 1, wherein: the pre-coarse filter comprises a pre-coarse filter screen (100), and the pre-coarse filter screen (100) is arranged in the first pipeline (701).

3. The spiral dirt collecting device with the coarse filter as claimed in claim 2, wherein: the front coarse filter screen (100) is connected with the inner side wall of the first pipeline (701).

4. The spiral dirt collecting device with the coarse filter as claimed in claim 3, wherein: the front coarse filter also comprises an access hand hole (200) and an access blind plate (300), the access hand hole (200) is arranged on a first pipeline (701) between an inlet (703) and the front coarse filter screen (100), and the access hand hole (200) is communicated with the inside and the outside of the first pipeline (701); the overhauling hand hole (200) is provided with an overhauling blind plate (300); and a second pollution discharge ball valve (400) is also arranged at the bottom of the overhauling blind plate (300).

5. The spiral dirt collecting device with the coarse filter as claimed in claim 4, wherein: the angle range of the included angle between the front coarse filter screen (100) and the vertical direction is 0-45 degrees.

6. The spiral dirt collecting device with the coarse filter as claimed in claim 5, wherein: the pore size range of the front coarse filter screen (100) is 10-120 meshes.

7. The spiral dirt collecting device with the coarse filter as claimed in claim 6, wherein: the maintenance hand hole (200) is located under the first pipeline (701), and the maintenance hand hole (200) is T-shaped with the first pipeline (701).

8. The spiral dirt collecting device with the coarse filter as claimed in claim 7, wherein: the sewage discharge part is a first sewage discharge ball valve (600), and the first sewage discharge ball valve (600) is positioned at the bottom end of the valve body (700); the filter element group in the valve body (700) is a precise spiral filter element group (500).

9. The spiral dirt collecting device with the coarse filter as claimed in claim 8, wherein: the size specification of the service hand hole (200) is not less than DN 50.

10. The utility model provides a take dirty device of spiral collection of coarse filter, includes the valve body, is equipped with blowdown portion on the valve body, valve body (700) inside is equipped with filter element group, its characterized in that: the inlet end of the valve body is provided with a front coarse filtering device.