CN215170717U - Circulating pump inlet filter screen structure and desulphurization unit - Google Patents
Circulating pump inlet filter screen structure and desulphurization unit Download PDFInfo
- Publication number
- CN215170717U CN215170717U CN202120940471.6U CN202120940471U CN215170717U CN 215170717 U CN215170717 U CN 215170717U CN 202120940471 U CN202120940471 U CN 202120940471U CN 215170717 U CN215170717 U CN 215170717U
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- China
- Prior art keywords
- filter screen
- screen body
- pump inlet
- filter
- circulating pump
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000003014 reinforcing effect Effects 0.000 claims description 20
- 230000002787 reinforcement Effects 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 6
- 238000006477 desulfuration reaction Methods 0.000 claims description 4
- 230000023556 desulfurization Effects 0.000 claims description 4
- 239000002002 slurry Substances 0.000 abstract description 10
- 238000001914 filtration Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Images
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a circulating pump inlet filter screen structure and a desulphurization device, wherein the filter screen structure comprises a filter screen body, two sides of the filter screen body are bent to be cambered surfaces, and one side of the concave surface of the filter screen body is suitable for facing towards the circulating pump inlet; the filter screen body is provided with filter holes. According to the filter screen structure with the structure, the filter screen body is arc-shaped, the surface of the filter screen body facing the slurry is an arc surface, and the arc surface is well stressed, not easy to deform and damage and long in service time when being impacted by the slurry; and the total area of the filter screen body is large, the number of holes is large, the flow area is large, and the filter screen is not easy to block.
Description
Technical Field
The utility model relates to a desulphurization unit auxiliary assembly technical field, concretely relates to circulating pump entry filter screen structure and desulphurization unit.
Background
The filter screen is arranged at the inlet of the slurry circulating pump of the wet desulphurization device, so that sundries in the slurry can be prevented from entering the slurry circulating pump to cause the blockage of the spray nozzle. The circulating pump entry filter screen is the assembled outside the tower mostly among the prior art at present to the filter screen is planar structure, sets up a plurality of square holes on it, and the thick liquid passes through the square hole flow direction circulating pump. When the plane filter screen is impacted by slurry flow for a long time, the filter screen is easy to deform and damage; and the square holes that can set up on the plane filter screen are limited in quantity, and the flow area of filter screen is little, and the filter screen blocks up easily when thick liquid flow is big.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the filter screen among the prior art and receiving the impact force for a long time easy deformation damage and flow area are little to the defect that child's filter screen blockked up easily.
Therefore, the utility model provides a circulating pump entry filter screen structure, include
The two sides of the filter screen body are bent to form cambered surfaces, and the concave side of the filter screen body is suitable for facing the inlet of the circulating pump; the filter screen body is provided with filter holes.
Optionally, in the above-mentioned circulating pump inlet filter screen structure, the filter screen body is circular arc.
Optionally, in the above-mentioned structure of the filter screen at the inlet of the circulation pump, the filter holes are circular holes.
Optionally, in the above-mentioned structure of the filter screen at the inlet of the circulation pump, the diameter of the filter hole is 25-30 mm.
Optionally, the filter screen structure at the inlet of the circulation pump further includes at least one first reinforcing member, and the first reinforcing member is arranged along the length direction or the height direction of the filter screen body.
Optionally, in the above-mentioned circulation pump inlet screen structure, the first reinforcing member comprises
A plurality of transverse first reinforcement members, each of the transverse first reinforcement members extending along a length of the screen body, the plurality of transverse first reinforcement members being spaced apart along a height of the screen body;
a plurality of vertical first reinforcement members extending in a height direction of the screen body.
Optionally, in the above circulating pump inlet filter screen structure, the top and the bottom of the filter screen body are both provided with a second reinforcing member, and the second reinforcing member extends towards one side of the groove of the filter screen.
Optionally, the above-mentioned circulating pump inlet screen structure further comprises
The first connecting piece is arranged on the filter screen body;
and the second connecting piece is suitable for being fixed on the tower wall and connected with the first connecting piece.
Optionally, in the above-mentioned circulating pump inlet screen structure, the second connecting piece is an angle steel.
The utility model provides a desulphurization unit, including any one of the aforesaid circulating pump entry filter screen structure and absorption tower, circulating pump entry filter screen structure is fixed in on the absorption tower wall.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a filter screen structure at the inlet of a circulating pump, which comprises a filter screen body, wherein two sides of the filter screen body are bent to be cambered surfaces, and one side of the concave part of the filter screen body is suitable for facing the inlet of the circulating pump; the filter screen body is provided with filter holes. According to the filter screen structure with the structure, the filter screen body is arc-shaped, the surface of the filter screen body facing the slurry is an arc surface, and the arc surface is well stressed, not easy to deform and damage and long in service time when being impacted by the slurry; and the total area of the filter screen body is large, the number of holes is large, the flow area is large, and the filter screen is not easy to block.
2. The utility model provides a circulating pump entry filter screen structure, it is the round hole to filter the hole, and the round hole is compared the square hole circulation and is good, difficult jam. The diameter of the filtering hole is 25-30mm, the aperture is larger than the conventional aperture of 20mm, and the circulation effect is better.
3. The utility model provides a desulfurizing device, the inner filter screen body of which is arc-shaped, has good stress and is not easy to deform and damage; the effective flow area of the filter screen body is large, the filter holes are round holes, the aperture of the filter holes is large, and the filter screen body is not easy to block.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of a screen structure provided in embodiment 1 of the present invention;
FIG. 2 is a side view of a screen construction;
FIG. 3 is a top view of a screen structure engaged with a tower wall of an absorber tower;
FIG. 4 is a schematic view of a filter aperture;
fig. 5 is a schematic view of the desulfurization apparatus provided in example 2.
Description of reference numerals:
1-a filter screen body; 11-filtration pores; 12-a transverse first reinforcement member; 13-a vertical first stiffening member; 14-a second reinforcing component; 15-a first connector; 16-a second connector; 2-an absorption column; 3-circulating pump.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or 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, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
The present embodiment provides a filter screen structure at an inlet of a circulation pump, as shown in fig. 1 to 4, the filter screen structure includes a filter screen body 1, two sides of the filter screen body 1 are curved to form a cambered surface, and a concave side of the filter screen body 1 is adapted to face an inlet of a circulation pump 3; the filter screen body 1 is provided with filter holes 11.
According to the filter screen structure with the structure, the filter screen body 1 is arc-shaped, the surface of the filter screen body facing slurry is an arc surface, and the arc surface is well stressed, not easy to deform and damage and long in service time when being impacted by the slurry; and the total area of the filter screen body 1 is large, the number of holes is large, the flow area is large, and the filter screen is not easy to block.
Preferably, referring to fig. 3, the filter screen body 1 is circular arc-shaped, and the stress performance is optimal. Referring to fig. 4, the filtering holes 11 are round holes, which have better circulation and are not easy to block than square holes. The diameter of the filtering holes 11 is 25-30mm, the aperture is larger than the conventional aperture of 20mm, and the circulation effect is better.
Referring to fig. 1 and 2, the screen structure further includes at least one first reinforcing member arranged along a length direction or a height direction of the screen body 1. For example, the first reinforcing member includes a plurality of transverse first reinforcing members 12 and a plurality of vertical first reinforcing members 13, each transverse first reinforcing member 12 extends along the length direction of the screen body 1, and the plurality of transverse first reinforcing members 12 are spaced apart along the height direction of the screen body 1. Two vertical first reinforcing members 13 are provided at the top and bottom of the strainer body 1, respectively, and extend in the height direction of the strainer body 1. For example, first reinforcing member is the band steel, and the band steel welds on filter screen body 1 in order to further increase filter screen body 1's intensity, prevents that filter screen body 1 from warping and damaging.
Referring to fig. 3, the top and the bottom of the filter screen body 1 are provided with a second reinforcing member 14 and a baffle plate, and the second reinforcing member 14 is arranged in the middle of the baffle plate and extends outwards towards one side of the groove of the filter screen to support the filter screen at the side of the groove of the filter screen body 1.
Referring to fig. 1 to 3, the screen structure further includes a first connector 15 and a second connector 16. Four corners of the outermost end of the filter screen body 1 and the outer ends of the second reinforcing parts 14 at the top and the bottom are provided with first connecting pieces 15. For example, first connecting piece 15 is the steel sheet, and the steel sheet welding is on filter screen body 1 and second reinforcement component 14, and second connecting piece 16 welding is on the tower wall of circulating pump 3 entrance when the installation, and rethread nut and bolted connection steel sheet and angle steel to fix the filter screen structure on the tower wall, it is fixed convenient.
Example 2
This embodiment provides a desulfurization apparatus, as shown in fig. 5, comprising the circulating pump inlet screen structure of embodiment 1 and an absorption tower 2, the screen structure being fixed to the tower wall of the absorption tower 2 by a first connecting member 15 and a second connecting member 16.
In the desulfurization device with the structure, the inner filter screen body 1 is in the shape of an arc, is well stressed and is not easy to deform and damage; the effective flow area of the filter screen body 1 is large, the filter holes 11 are round holes, and the aperture of the filter holes 11 is large and is not easy to block.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. A circulating pump inlet filter screen structure is characterized by comprising
The two sides of the filter screen body (1) are bent to form cambered surfaces, and the concave side of the filter screen body (1) is suitable for facing the inlet of the circulating pump (3); the filter screen body (1) is provided with filter holes (11).
2. Circulation pump inlet screen construction according to claim 1, characterized in that the screen body (1) is circular arc shaped.
3. Circulation pump inlet screen construction according to claim 1 or 2, characterized in that the filter apertures (11) are round apertures.
4. Circulation pump inlet screen construction according to claim 3, characterized in that the diameter of the filter holes (11) is 25-30 mm.
5. Circulation pump inlet screen construction according to claim 1 or 2, characterized in that it further comprises at least one first reinforcement element, which is arranged in the length direction or height direction of the screen body (1).
6. The circulation pump inlet screen structure of claim 5, wherein the first reinforcement member comprises
A plurality of transverse first reinforcing members (12), wherein any transverse first reinforcing member (12) extends along the length direction of the filter screen body (1), and the plurality of transverse first reinforcing members (12) are distributed at intervals along the height direction of the filter screen body (1);
a plurality of vertical first reinforcement members (13) extending in a height direction of the screen body (1).
7. Circulation pump inlet screen structure according to claim 1 or 2, characterized in that the screen body (1) is provided with second stiffening elements (14) at both the top and the bottom, which second stiffening elements (14) extend towards the groove side of the screen body.
8. The circulating pump inlet screen structure of claim 1 or 2, further comprising
The first connecting piece (15) is arranged on the filter screen body (1);
a second connecting member (16) adapted to be fixed to the tower wall and connected to said first connecting member (15).
9. Circulation pump inlet screen construction, according to claim 8, characterized in that the second connection (16) is an angle steel.
10. A desulfurization unit, characterized by comprising a circulation pump inlet screen structure according to any one of claims 1 to 9, which is fixed to the wall of the absorption tower (2), and an absorption tower (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120940471.6U CN215170717U (en) | 2021-04-30 | 2021-04-30 | Circulating pump inlet filter screen structure and desulphurization unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120940471.6U CN215170717U (en) | 2021-04-30 | 2021-04-30 | Circulating pump inlet filter screen structure and desulphurization unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215170717U true CN215170717U (en) | 2021-12-14 |
Family
ID=79366294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120940471.6U Expired - Fee Related CN215170717U (en) | 2021-04-30 | 2021-04-30 | Circulating pump inlet filter screen structure and desulphurization unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215170717U (en) |
-
2021
- 2021-04-30 CN CN202120940471.6U patent/CN215170717U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211214 |