CN215693190U

CN215693190U - Inclined hole plate filter for inlet of desulfurization circulating pump

Info

Publication number: CN215693190U
Application number: CN202120639944.9U
Authority: CN
Inventors: 黄建起; 梁汝俏
Original assignee: Foshan Sinid Environmental Protection Technology Co ltd
Current assignee: Foshan Sinid Environmental Protection Technology Co ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2022-02-01
Anticipated expiration: 2031-03-29

Abstract

The utility model discloses a desulfurization circulating pump inlet inclined orifice plate filter which comprises a filter shell, wherein a slurry outlet and a slurry inlet are respectively arranged at the left end and the right end of the filter shell, an inclined orifice plate which is obliquely arranged from right to left is arranged in the filter shell, a plurality of filter holes are formed in the inclined orifice plate, a sewage discharge outlet is formed in the bottom of an inlet cavity, and the sewage discharge outlet is arranged below the inclined orifice plate. When the slurry passes through the inclined hole plate, the inclined hole plate can filter impurity garbage and the like in the slurry, the impurity garbage can be accumulated in the inlet cavity, people can open the drain outlet periodically to discharge the impurities, and the inclined hole plate which is inclined downwards can enable more filter holes to be formed in the inclined hole plate, so that the flow area of the inclined hole plate is increased, the flow resistance is reduced, the inclined hole plate can also have a buffering effect on the slurry, the impact force of the slurry on the inclined hole plate is reduced, and the service life of the inclined hole plate is prolonged; meanwhile, the structure is simple.

Description

Inclined hole plate filter for inlet of desulfurization circulating pump

Technical Field

The utility model relates to the field of shedding equipment, in particular to an inlet inclined orifice filter of a desulfurization circulating pump.

Background

In the prior art, the absorption tower is generally made of carbon steel lined with glass flakes, namely, a layer of glass flake coating is lined inside a steel tower body made of carbon steel. In actual operation, the glass flake coating can fall off and then be sucked into the pump and conveyed to the spraying pipe network. Can plug up when the glass scale volume that drops is great and spray pipe network or nozzle, lead to the unable normal work of partial or whole nozzle, influence the discharge to reach standard of flue gas, simultaneously, the material of defroster is plastics, and the ageing bits of plastics can fall after the live time has been long, and this plastics piece falls after can be equally by the pump suction carry spray pipe network and nozzle again, and the nozzle can be plugged up equally to bulky piece. The prior art generally sets up filter equipment in the front of desulfurization circulating pump import, and in the in-service use, current filter equipment has following problem: the structure is complicated, the pollution discharge effect is not good, the flow area of the fluid is small, the flow resistance is large, the communication quantity of the fluid is reduced, and the load of the circulating pump is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a filter with an inclined hole plate at an inlet of a desulfurization circulating pump, which aims to solve one or more technical problems in the prior art and at least provides a beneficial selection or creation condition.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a desulfurization circulating pump import inclined hole board filter, its is including being the filter housing who extends the setting about filter housing is provided with thick liquid export, thick liquid import respectively at both ends about filter housing be provided with in the filter housing communicate in filter chamber between thick liquid export and the thick liquid import be provided with the inclined hole board in the filter chamber, the inclined hole board is the downward sloping setting from the right side to left, the inclined hole board handle the filter chamber is separated for being close to the export chamber of thick liquid outlet side, be close to the import chamber of thick liquid import side set up a plurality of filtration pores that communicate in export chamber and import chamber on the inclined hole board the bottom in import chamber is provided with the drain, the drain sets up in inclined hole board below.

The utility model has the beneficial effects that: when the filter is used, slurry to be filtered enters the filter shell from the slurry inlet and sequentially passes through the inlet cavity, the inclined hole plate and the outlet cavity and then is discharged from the slurry outlet, when the slurry passes through the inclined hole plate, the inclined hole plate can filter impurity garbage and the like in the slurry, the impurity garbage can be accumulated in the inlet cavity, the inclined hole plate is arranged in a downward inclined mode from right to left, so that the impurity garbage is accumulated below the inclined hole plate, the sewage discharge port is arranged at the bottom of the inlet cavity, the impurities can be discharged by opening the sewage discharge port periodically, and the inclined hole plate which is inclined downwards can enable more filter holes to be opened in the inclined hole plate, so that the flow area of the inclined hole plate is increased, the flow resistance is reduced, the inclined hole plate can have a buffering effect on the slurry, the impact force of the slurry on the inclined hole plate is reduced, and the service life of the inclined hole plate is prolonged; meanwhile, the structure is simple.

As a further improvement of the technical scheme, the opening area of the inclined hole plate is more than or equal to the flow inner diameter of the slurry outlet and the flow inner diameter of the slurry inlet. The flow area of the inclined hole plate is larger than or equal to that of the slurry outlet and the slurry inlet, so that the resistance is reduced, and the blockage phenomenon is reduced.

As a further improvement of the technical proposal, the size of the slurry outlet is consistent with that of the slurry inlet. The design of the inclined hole plate is facilitated, and the size and the number of the filter holes in the inclined hole plate can be set according to the flow rate of the inlet and the outlet.

As a further improvement of the technical scheme, the diameter of the filtering holes is set to be mm, and the center distance between two adjacent filtering holes is set to be mm. This can make the inclined hole board have stronger structural strength on the premise of better filtering function.

As a further improvement of the technical scheme, the slurry outlet is coaxially connected with an outlet connecting flange, and the slurry inlet is coaxially connected with an inlet connecting flange.

When the device is installed, the slurry outlet is connected with a connected pipeline through the outlet connecting flange, and the slurry inlet is connected with the connected pipeline through the inlet connecting flange, so that the device is convenient to install and overhaul.

As a further improvement of the technical scheme, the sewage draining outlet is coaxially connected with a sewage draining connecting flange. The drain outlet can be connected with a drain pipeline through a drain connecting flange, and is convenient to install and overhaul.

As a further improvement of the technical scheme, the sewage draining port is provided with a sewage draining valve, and the sewage draining valve is configured to control the on-off of the sewage draining port. The scheme directly sets the blowoff valve at the position of the sewage draining port, controls the on-off of the sewage draining port through the blowoff valve, realizes flexible sewage draining and is simple to operate.

As a further improvement of the above technical solution, the filter housing includes a square-cavity tube body that is left-right communicated, an outlet celestial-terrestrial-circular tube body and an inlet celestial-terrestrial-circular tube body that are respectively connected to the left and right ends of the square-cavity tube body, the outlet celestial-terrestrial-circular tube body has an outlet large-mouth end and an outlet small-mouth end, the outlet large-mouth end is connected to the left end of the square-cavity tube body, the outlet small-mouth end is the slurry outlet, the inlet celestial-terrestrial-circular tube body has an inlet large-mouth end and an inlet small-mouth end, the inlet large-mouth end is connected to the right end of the square-cavity tube body, the inlet small-mouth end is the slurry inlet, the cross section of the square-cavity tube body is rectangular, and the inclined orifice plate is fixed in the square-cavity tube body.

The outlet square and ground round pipe body and the inlet square and ground round pipe body are provided with a cavity which can enlarge the internal filtering of the filter shell, and also play a role in guiding and collecting the slurry, thereby being convenient for production and manufacturing. The thick liquid gets into the back from the thick liquid import, can realize the extension through import sky square ground pipe body, and the thick liquid dispersedly passes through the inclined hole board, and the liquid after the filtration is realized compiling through export sky square ground pipe body to discharge from the thick liquid export.

Drawings

The utility model is further described with reference to the accompanying drawings and examples;

FIG. 1 is a front sectional view of an embodiment of a diagonal orifice filter at an inlet of a desulfurization circulating pump, wherein two arrows respectively indicate a left direction and a right direction;

fig. 2 is a schematic structural diagram of an embodiment of the inclined-orifice filter at the inlet of the desulfurization circulating pump provided by the utility model, wherein two arrows indicate the flowing direction of the slurry.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if words such as "a plurality" are described, it means one or more, a plurality is two or more, more than, less than, more than, etc. are understood as not including the present number, and more than, less than, more than, etc. are understood as including the present number.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 and 2, the inlet inclined orifice filter of the desulfurization circulating pump of the present invention is made in the following way:

the inclined orifice plate filter for the inlet of the desulfurization circulating pump of the embodiment includes a filter housing 100 extending left and right, wherein the filter housing 100 includes a square-cavity tube 130 penetrating left and right, an outlet square ground round tube 140 and an inlet square ground round tube 150 connected to the left and right ends of the square-cavity tube 130, respectively, the outlet square ground round tube 140 has an outlet large-mouth end and an outlet small-mouth end, the outlet large-mouth end is connected to the left end of the square-cavity tube 130, the outlet small-mouth end is a slurry outlet 200, the inlet square ground round tube 150 has an inlet large-mouth end and an inlet small-mouth end, the inlet large-mouth end is connected to the right end of the square-cavity tube 130, the inlet small-mouth end is a slurry inlet 300, a filter cavity communicated between the slurry outlet 200 and the slurry inlet 300 is formed in the filter housing 100, and an inclined orifice plate 400 is disposed in the filter cavity, specifically, the method comprises the following steps: the inclined hole plate 400 is fixed in the square cavity pipe body 130, the inclined hole plate 400 is arranged in a downward inclined mode from the right side to the left side, the filter cavity is divided into an outlet cavity 110 close to the side of the slurry outlet 200 and an inlet cavity 120 close to the side of the slurry inlet 300, a plurality of filter holes 410 communicated with the outlet cavity 110 and the inlet cavity 120 are formed in the inclined hole plate 400, a sewage discharge port 500 is formed in the bottom of the inlet cavity 120, and the sewage discharge port 500 is arranged below the inclined hole plate 400.

The outlet square and round tube 140 and the inlet square and round tube 150 can expand the filtering chamber inside the filter housing 100, and can also guide and collect the slurry, thereby facilitating the production and manufacture. After entering from the slurry inlet 300, the slurry is expanded through the inlet square tube 150, the slurry can dispersedly pass through the inclined hole plate 400, and the filtered liquid is collected through the outlet square tube 140 and discharged from the slurry outlet 200.

Further, thick liquid export 200 coaxial coupling has exit flange 210, thick liquid import 300 coaxial coupling has inlet flange 310 drain 500 coaxial coupling has blowdown flange 510, and when the installation, thick liquid export 200 is connected with circulating pump inlet pipe through exit flange 210, and thick liquid import 300 is connected with the outlet pipe in circulation thick liquid pond through inlet flange 310, and drain 500 accessible blowdown flange 510 is connected with the blowdown pipe, and the installation is overhauld conveniently. And the drain 500 is provided with a drain valve (not shown) configured to control the opening and closing of the drain 500.

When the filter is used, slurry to be filtered enters the filter shell 100 from the slurry inlet 300 and sequentially passes through the inlet cavity 120, the inclined hole plate 400 and the outlet cavity 110, and then is discharged from the slurry outlet 200, when the slurry passes through the inclined hole plate 400, the inclined hole plate 400 can filter impurity garbage and the like in the slurry, the impurity garbage can be accumulated in the inlet cavity 120, as the inclined hole plate 400 is arranged in a downward inclination manner from right to left, the impurity garbage is accumulated below the inclined hole plate 400, the sewage discharge port 500 is arranged at the bottom of the inlet cavity 120, the impurity can be discharged by opening the sewage discharge port 500 periodically under the inclined hole plate 400, and the inclined hole plate 400 which is inclined downwards can lead more filter holes 410 to be opened on the inclined hole plate 400, thus increasing the flow area of the inclined hole plate 400, reducing the flow resistance, and the inclined hole plate 400 can also have a buffer effect on the slurry, thereby reducing the impact force of the slurry on the inclined hole plate 400, the service life of the inclined hole plate 400 is prolonged; meanwhile, the structure is simple.

Furthermore, the size of the slurry outlet 200 is consistent with that of the slurry inlet 300, which is beneficial to the design of the inclined orifice plate 400, and the size and the number of the filter holes 410 on the inclined orifice plate 400 can be set according to the flow rate of the inlet and the outlet. The aperture area of the inclined aperture plate 400 of this embodiment is greater than or equal to the flow inner diameter of the slurry outlet 200 and the flow inner diameter of the slurry inlet 300. This allows the flow area of the inclined plate 400 to be greater than or equal to the flow area of the slurry outlet 200 and the slurry inlet 300, reducing resistance and also reducing clogging, specifically: the diameter of the filter holes 410 is set to be 20mm, and the center-to-center distance between two adjacent filter holes 410 is set to be 25 mm. This may allow the inclined hole plate 400 to have a strong structural strength on the premise of having a good filtering function.

And the filter is arranged outside the desulfurizing tower, can be replaced and maintained at any time, and does not need to stop the whole set of environment-friendly equipment.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the utility model as set forth in the claims appended hereto.

Claims

1. The utility model provides a desulfurization circulating pump import inclined hole board filter which characterized in that: which comprises a filter shell (100) extending left and right, a slurry outlet (200) and a slurry inlet (300) are respectively arranged at the left end and the right end of the filter shell (100), a filter cavity communicated between the slurry outlet (200) and the slurry inlet (300) is arranged in the filter shell (100), an inclined hole plate (400) is arranged in the filter cavity, the inclined hole plate (400) is arranged in a downward inclination manner from right to left, the inclined orifice plate (400) divides the filter chamber into an outlet chamber (110) near the slurry outlet (200) side and an inlet chamber (120) near the slurry inlet (300) side, a plurality of filtering holes (410) communicated with the outlet cavity (110) and the inlet cavity (120) are arranged on the inclined hole plate (400), a sewage draining outlet (500) is arranged at the bottom of the inlet cavity (120), and the sewage draining outlet (500) is arranged below the inclined hole plate (400).

2. The inclined orifice filter for the inlet of a desulfurization circulating pump of claim 1, wherein: the opening area of the inclined hole plate (400) is larger than or equal to the flow inner diameter of the slurry outlet (200) and the flow inner diameter of the slurry inlet (300).

3. The inclined orifice filter for the inlet of a desulfurization circulating pump of claim 2, wherein: the size of the slurry outlet (200) is consistent with the size of the slurry inlet (300).

4. The inclined orifice filter for the inlet of a desulfurization circulating pump of claim 2, wherein: the diameter of the filter holes (410) is set to be 20mm, and the center distance between two adjacent filter holes (410) is set to be 25 mm.

5. The inclined orifice filter for the inlet of a desulfurization circulating pump of claim 1, wherein: the slurry outlet (200) is coaxially connected with an outlet connecting flange (210), and the slurry inlet (300) is coaxially connected with an inlet connecting flange (310).

6. The inclined orifice filter for the inlet of a desulfurization circulating pump of claim 1, wherein: and a sewage discharge connecting flange (510) is coaxially connected with the sewage discharge outlet (500).

7. The inclined orifice filter for the inlet of a desulfurization circulating pump of claim 1, wherein: and a drain valve is arranged on the drain outlet (500), and is configured to control the on-off of the drain outlet (500).

8. The inclined orifice filter for the inlet of a desulfurization circulating pump of claim 1, wherein: filter casing (100) including be about being the square cavity body (130) that link up, connect respectively in the export sky ground round pipe body (140) and import sky ground round pipe body (150) of both ends about square cavity body (130), export sky ground round pipe body (140) have export macrostoma end and export osculum end, the left end of export macrostoma end and square cavity body (130) is connected, the export osculum end does thick liquid export (200), import sky ground round pipe body (150) have import macrostoma end and inlet osculum end, the import macrostoma end is connected with the right-hand member of square cavity body (130), the inlet osculum end does thick liquid import (300), the cross section of square cavity body (130) is the rectangle form, inclined hole board (400) are fixed in square cavity body (130).