CN212523593U - Built-in flow equalizing and disturbing structure of spray tower and spray tower - Google Patents
Built-in flow equalizing and disturbing structure of spray tower and spray tower Download PDFInfo
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- CN212523593U CN212523593U CN202021182204.9U CN202021182204U CN212523593U CN 212523593 U CN212523593 U CN 212523593U CN 202021182204 U CN202021182204 U CN 202021182204U CN 212523593 U CN212523593 U CN 212523593U
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Abstract
The utility model discloses a spray tower and a built-in flow equalization and turbulence structure thereof, the spray tower comprises a tower body, a spray area is arranged in the tower body, a flue gas inlet is arranged on the bottom side of the tower body, the built-in flow equalization and turbulence structure of the spray tower comprises a lower flow equalization component which is intercepted in the upper area of the inlet section of the spray tower, and the lower flow equalization component is arranged below the spray area; the lower floor flow equalizing assembly comprises a straight pipe bundle, a throttling flow equalizing piece and a perforated cover plate, wherein the straight pipe bundle is arranged from bottom to top in sequence, the throttling flow equalizing piece is provided with a conical cavity with a large upper part and a small lower part, the bottom of the conical cavity is blocked, the top of the conical cavity is opened and faces the perforated cover plate, the straight pipe bundle comprises a plurality of straight pipes, each straight pipe is communicated with the inlet section of the spray tower and the conical cavity, a flow disturbing device is arranged in the spray tower and located below each layer of spray guns, and. The utility model discloses a built-in vortex structure and the spray column of flow equalizing of spray column can reduce the interior flue gas bias flow's of tower body the condition, promotes the homogeneity in flow field in the tower body by a wide margin, has improved spray column deacidification efficiency.
Description
Technical Field
The utility model relates to an environmental protection deacidification technique in steel smelting field, concretely relates to built-in vortex structure and spray column of flow equalizing of spray column.
Background
In the steel industry, acid gas in waste gas becomes an important factor for pipeline corrosion; at present, the spray tower is an important means for removing acid in the steel industry. In actual production process, because flue gas flow is big, the spray column diameter is often great, and spray column bottom side is provided with the flue gas entry, and the flue gas is through this flue gas entry entering tower internal entry section back, by lower supreme flow, sprays the atomizing liquid drop in the tower, and through atomizing liquid drop and flue gas contact realization deacidification, nevertheless flue gas is serious through the flue gas bias current after the entry enters the tower in the current spray column, and deacidification effect is relatively poor.
SUMMERY OF THE UTILITY MODEL
In view of the above the not enough of prior art, an object of the utility model is to provide a built-in vortex structure and spray column of flow equalizing of spray column to improve deacidification effect.
In order to achieve the above objects and other related objects, the technical solution of the present invention is as follows:
a built-in flow equalizing and disturbing structure of a spray tower comprises a tower body, wherein a spray area is arranged in the tower body, a flue gas inlet is formed in the side face of the bottom of the tower body, the built-in flow equalizing and disturbing structure of the spray tower comprises a lower flow equalizing assembly intercepted in the upper area of the inlet section of the spray tower, and the lower flow equalizing assembly is positioned below the spray area; wherein, the subassembly that flow equalizes of lower floor includes by lower supreme straight tube bank, the throttle piece and the porous apron that flow equalizes that sets gradually, the throttle piece that flow equalizes has big-end-up's toper chamber, the bottom shutoff in toper chamber, the top in toper chamber is opened and is faced porous apron, straight tube bank includes a plurality of straight tubes, each straight tube intercommunication spray column entry with the toper chamber.
Optionally, the bottom of the conical cavity is sealed by a sealing plate, the sealing plate is provided with a through hole, the diameter of the through hole is equal to or matched with the inner diameter of a corresponding straight pipe, and the upper end of the straight pipe is concentrically fixed at the lower edge of the through hole or in the through hole.
Optionally, the cone angle of the conical cavity is greater than the ash accumulation angle.
Optionally, the porous cover plate is within 2m from the top opening of the conical cavity.
Optionally, the diameters of the straight pipes in the straight pipe bundle are the same;
or
The diameter of each straight pipe in the straight pipe bundle is gradually reduced from the center to the edge.
Optionally, the length of each straight pipe in the straight pipe bundle is greater than 500 mm.
Optionally, a first bracket for supporting the flow equalizing member and a second bracket for supporting the perforated cover plate are further disposed in the tower body.
Optionally, the built-in vortex structure that flow equalizes of spray column still includes upper spoiler, upper spoiler is in the top of spraying the region, upper spoiler is the perforated plate, be provided with a plurality of holes on the perforated plate.
Optionally, a water removal packing layer is arranged in the spray tower, and the porous plate is arranged at the top of the water removal packing layer.
Optionally, the perforated plate has a diameter greater than 40 mm.
Optionally, a spoiler is arranged in the spraying area, spray guns are arranged in the spraying area in a layered mode, and the spoiler is located at the junction of the maximum spray angle of each layer of spray guns and the tower body.
Optionally, the spoiler is a horizontal annular plate; or the spoiler is a ring plate with the inner side inclined upwards; or the spoiler is a ring plate with the inner side inclined downwards.
Correspondingly, the utility model also provides a spray column, including the tower body, the spray zone has in the tower body, and this spray column still includes any one of the aforesaid spray column built-in vortex structure that flow equalizes.
The utility model discloses a built-in vortex structure and the spray column of flow equalizing of spray column can reduce the interior flue gas bias flow's of tower body the condition, promotes the homogeneity in flow field in the tower body by a wide margin, has improved spray column deacidification efficiency.
Drawings
FIG. 1 is a layout diagram of a flow equalizing and disturbing structure built in a spray tower of the present invention;
FIG. 2 is a schematic structural diagram of a lower spoiler assembly;
FIG. 3 is a schematic view of the lower spoiler assembly with the perforated cover plate removed;
FIG. 4 is a schematic view of a porous cover plate;
fig. 5 shows an internal flow field diagram of the spray tower of the present invention;
fig. 6 shows a flow field diagram in a conventional spray tower.
The device comprises a perforated plate 1, a spoiler 2, a perforated cover plate 3, a throttling flow equalizing piece 4, a conical cavity 41, a sealing plate 42, a through hole 421, a straight pipe bundle 5, a water removal packing layer 7, a first bracket 8 and a second bracket 9;
the tower body A, a spray tower inlet section A1, a spray area A2, a flue gas inlet A3 and a spray dead zone A4.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
The spray tower built-in flow equalizing and disturbing structures of the following embodiments are all applied to a spray tower, and referring to fig. 1, the spray tower comprises a tower body a, a spraying area a2 is arranged in the tower body a, a flue gas inlet A3 is arranged on the bottom side surface of the tower body a, and the built-in flow equalizing and disturbing structures of the following embodiments are all arranged in the tower body a.
With reference to fig. 1 to 5, the flow equalizing and disturbing structure built in the spray tower of the present invention includes a lower flow equalizing assembly intercepted in an upper region of the inlet section a1 of the spray tower, the lower flow equalizing assembly being located below the spray region a 2; wherein, the subassembly that flow equalizes of lower floor includes by lower supreme straight tube bank 5, the throttle 4 and the porous apron 3 that flow equalize that set gradually, the throttle 4 that flow equalize has big-end-up's toper chamber 41, the bottom shutoff in toper chamber 41, the top in toper chamber 41 is opened and is faced porous apron 3, straight tube bank 5 include each straight tube intercommunication spray column entry A1 of a plurality of straight tubes with toper chamber 41.
The utility model discloses a built-in vortex structure that flow equalizes of spray column through set up the lower floor in tower body A subassembly that flow equalizes, utilizes straight tube bank 5 to once flow equalize, utilizes porous apron 3 to carry out the secondary and flow equalizes, can reduce the emergence of flue gas backward flow phenomenon in the tower, improves the flue gas bias flow condition among the spray region A2, promotes the homogeneity in tower body A interior flow field by a wide margin, has improved spray column deacidification efficiency.
Figure 5, figure 6 are compared, and figure 6 shows the flow field picture in the current spray column, and figure 5 shows for having the utility model discloses a built-in flow field picture of flow equalizing and disturbing structure's spray column can obviously be seen, adopts the utility model discloses a built-in flow equalizing and disturbing structure can improve the homogeneity in tower body A interior flow field by a wide margin, and especially the flow field that sprays regional A2 is the most even.
In some embodiments, the bottom of the conical cavity 41 is sealed by a sealing plate 42, a through hole 421 is opened on the sealing plate 42, the diameter of the through hole 421 matches with the outer diameter of a corresponding straight pipe, the upper end of the straight pipe is concentrically fixed in the through hole 421, and the upper end surface of the straight pipe is flush with the upper end surface of the sealing plate 42. In other embodiments, the bottom of the conical cavity 41 is sealed by a sealing plate 42, a through hole 421 is opened on the sealing plate 42, the diameter of the through hole 421 is equal to the inner diameter of a corresponding straight pipe, the upper end of the straight pipe is concentrically fixed at the lower edge of the through hole 421, and the upper end surface of the straight pipe is flush with the lower end surface of the sealing plate 42. In practice, the straight tube may be secured to the seal plate 42 by welding.
In some embodiments, the cone angle of the body of the tapered chamber 41 is greater than the ash accumulation angle, which prevents ash accumulation.
In some embodiments, the porous cover plate 3 is located within 2m from the top opening of the conical cavity 41, so that the resistance of the flue gas passing through the porous cover plate 3 can be effectively improved, the flow equalizing effect is better, the phenomenon of flue gas backflow can be limited in the region between the conical cavity 41 and the porous cover plate 3, and the flow equalizing effect can be improved.
In some embodiments, the tube diameters of each of the straight tubes in the straight tube bundle 5 are the same; in other embodiments, the diameter of each of the straight tubes in the bundle 5 gradually decreases from the center to the edge; in the actual spraying process, the spraying intensity of the atomized liquid drops in the spraying area A2 is limited by the spraying angle, and the spraying intensity of the atomized liquid drops in the central area is higher, and the spraying intensity of the atomized liquid drops in the edge area is lower; the diameters of the straight pipes in the straight pipe bundle 5 are gradually reduced from the center to the edge, so that the flue gas flow in the central area is larger than that in the edge area, and the acid removal efficiency is improved.
In some embodiments, the length of each of the straight tubes in the bundle 5 is greater than 500 mm. In actual implementation, the lengths of the straight tube bundles 5 may be equal or different.
In some embodiments, a first bracket 8 for supporting the flow equalizing members 4 and a second bracket 9 for supporting the perforated cover plate 3 are further arranged in the tower body a.
In some embodiments, the flow equalizing and disturbing structure in the spray tower further comprises an upper layer of disturbing member, the upper layer of disturbing member is located above the spray area a2, the upper layer of disturbing member is a porous plate 1, and the porous plate 1 is provided with a plurality of holes, so that the uniformity of the flow field in the tower body is further improved.
In some embodiments, a water removal packing layer 7 is arranged in the spray tower, and the porous plate 1 is arranged on the top of the water removal packing layer 7.
In some embodiments, the perforated plate 1 has a diameter greater than 40 mm.
In some embodiments, the spoiler 2 is arranged in the spraying area a2, the spray guns are arranged in the spraying area a2 in a layered manner, the spoiler 2 is positioned at the intersection of the maximum spray angle of each layer of spray guns and the tower body a, and the spoiler 2 is arranged to eliminate the spraying dead zone a4 in the spraying area a2 and improve the acid removal efficiency.
In some embodiments, the spoiler 2 is a horizontal annular plate; in practical implementation, the spoiler 2 may also be a ring plate with an inner side inclined upwards or an inner side inclined downwards, that is, a ring plate with a certain taper.
In the practical implementation process, the sectional area of the straight pipe 5 and the sectional area of the porous cover plate 3 can be adjusted according to the resistance loss requirement of a spraying system and by combining the flow equalizing effect.
In practical implementation, the holes on the porous plate 1 and the porous cover plate 3 may be circular, directional, triangular or other shapes.
In the practical implementation process, the porous plate 1 and the porous cover plate 3 can be made of carbon steel, stainless steel, plastics and the like; the sealing plate 42 may be made of stainless steel; the spoiler 2 can be made of stainless steel, plastic and the like, a conical cavity of the throttling flow equalizing piece 4 is enclosed by a conical ring plate and a sealing plate 42, the conical ring plate can also be made of carbon steel, stainless steel and the like, and the straight pipe bundle 5 can be made of carbon steel, stainless steel, plastic and the like.
Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (13)
1. The utility model provides a built-in vortex structure that flow equalizes of spray column, spray column includes the tower body, it sprays the region to have in the tower body, the bottom side of tower body is provided with flue gas entry, its characterized in that: the lower flow equalizing assembly is intercepted in the upper area of the inlet section of the spray tower and is positioned below the spray area; wherein, the subassembly that flow equalizes of lower floor includes by lower supreme straight tube bank, the throttle piece and the porous apron that flow equalizes that sets gradually, the throttle piece that flow equalizes has big-end-up's toper chamber, the bottom shutoff in toper chamber, the top in toper chamber is opened and is faced porous apron, straight tube bank includes a plurality of straight tubes, each straight tube intercommunication spray column entry with the toper chamber.
2. The built-in flow equalizing and disturbing structure of the spray tower as claimed in claim 1, wherein: the bottom of the conical cavity is plugged through a sealing plate, a through hole is formed in the sealing plate, the diameter of the through hole is equal to the inner diameter of a corresponding straight pipe or matched with the outer diameter of the corresponding straight pipe, and the upper end of the straight pipe is concentrically fixed at the lower edge of the through hole or in the through hole.
3. The built-in flow equalizing and disturbing structure of the spray tower as claimed in claim 2, wherein: the cone angle of the conical cavity is greater than the deposition angle of ash.
4. The built-in flow equalizing and disturbing structure of the spray tower as claimed in claim 1, wherein: the porous cover plate is located within 2m from the top opening of the conical cavity.
5. The built-in flow equalizing and disturbing structure of the spray tower as claimed in claim 1, wherein: the pipe diameters of all the straight pipes in the straight pipe bundle are the same;
or
The diameter of each straight pipe in the straight pipe bundle is gradually reduced from the center to the edge;
or
The diameter of each straight pipe in the straight pipe bundle is gradually increased from the center to the edge.
6. The built-in flow equalizing and disturbing structure of the spray tower as claimed in claim 1, wherein: the length of each straight pipe in the straight pipe bundle is more than 500 mm.
7. The built-in flow equalizing and disturbing structure of the spray tower as claimed in claim 1, wherein: and a first bracket for supporting the throttling and flow equalizing piece and a second bracket for supporting the porous cover plate are also arranged in the tower body.
8. The built-in flow equalizing and disturbing structure of the spray tower as claimed in claim 1, wherein: still include upper spoiler, upper spoiler is in the top that sprays the region, upper spoiler is the perforated plate, be provided with a plurality of holes on the perforated plate.
9. The built-in flow equalizing and disturbing structure of claim 8, wherein: a water removal packing layer is arranged in the spray tower, and the perforated plate is arranged at the top of the water removal packing layer.
10. The built-in flow equalizing and disturbing structure of claim 8, wherein: the perforated plate has a diameter greater than 40 mm.
11. The built-in flow equalizing and disturbing structure of the spray tower as claimed in claim 1, wherein: the spraying area is internally provided with a spoiler, the spraying guns are arranged in the spraying area in a layered mode, and the spoiler is located at the junction of the maximum spraying angle of each layer of the spraying guns and the tower body.
12. The built-in flow equalizing and disturbing structure of claim 11, wherein:
the spoiler is a horizontal annular plate;
or
The spoiler is a ring plate with the inner side inclined upwards;
or
The spoiler is a ring plate with the inner side inclined downwards.
13. A spray tower, includes the tower body, has the spray region in the tower body, its characterized in that: the spray tower internal flow equalizing and disturbing structure as recited in any one of claims 1 to 12 is further included.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021182204.9U CN212523593U (en) | 2020-06-23 | 2020-06-23 | Built-in flow equalizing and disturbing structure of spray tower and spray tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021182204.9U CN212523593U (en) | 2020-06-23 | 2020-06-23 | Built-in flow equalizing and disturbing structure of spray tower and spray tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212523593U true CN212523593U (en) | 2021-02-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021182204.9U Active CN212523593U (en) | 2020-06-23 | 2020-06-23 | Built-in flow equalizing and disturbing structure of spray tower and spray tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212523593U (en) |
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2020
- 2020-06-23 CN CN202021182204.9U patent/CN212523593U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 401329 No. 5-6, building 2, No. 66, Nongke Avenue, Baishiyi Town, Jiulongpo District, Chongqing Patentee after: MCC CCID information technology (Chongqing) Co.,Ltd. Address before: 20-24 / F, No.7 Longjing Road, North New District, Yubei District, Chongqing Patentee before: CISDI CHONGQING INFORMATION TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |