CN218394200U

CN218394200U - Wear-resisting formula atomizing wheel structure

Info

Publication number: CN218394200U
Application number: CN202222813102.8U
Authority: CN
Inventors: 孙升科
Original assignee: Wuxi Zhuoneng Environmental Technology Co ltd
Current assignee: Wuxi Zhuoneng Environmental Technology Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-01-31
Anticipated expiration: 2032-10-25

Abstract

The utility model belongs to the technical field of atomizing wheel technique and specifically relates to a wear-resisting formula atomizing wheel structure. The guide device comprises an upper disc and a lower disc which are arranged in an upper-lower-opposite mode, wherein a plurality of guide blocks are arranged between the upper disc and the lower disc and distributed along the circumferential direction; the lower end face of the upper disc is provided with an upper wear-resistant sheet, the upper end face of the lower disc is provided with a lower wear-resistant sheet, a plurality of flow guide blocks of sector structures are positioned and clamped between the upper wear-resistant sheet and the lower wear-resistant sheet, and the flow guide blocks are detachably connected with the upper wear-resistant sheet and the lower wear-resistant sheet at the upper end and the lower end through connecting pieces. The utility model discloses set up the wear pad between the easy wearing and tearing terminal surface of last lower wall and water conservancy diversion piece contact, can effectively alleviate the liquid to the erosion and wear of atomizing wheel, it is convenient to change after the wear pad wearing and tearing, has effectively improved the life of atomizing wheel, has reduced use cost.

Description

Wear-resisting formula atomizing wheel structure

Technical Field

The utility model belongs to the technical field of atomizing wheel technique and specifically relates to a wear-resisting formula atomizing wheel structure.

Background

At present, domestic waste incineration power plants mostly adopt a semi-dry desulfurization and dust removal system, an atomizing wheel is a core component in the system, the quality of the atomizing performance of the atomizing wheel directly influences the quality of waste incineration tail gas emission, and the system is also a key point for judging whether the gas emission index of the waste incineration power plants reaches the national standard and the international standard.

In the prior art, the atomizing wheel comprises a closed structure design and an open structure design, the atomizing wheel with the closed structure is easy to agglomerate and block, a nozzle is easy to wear, the atomizing efficiency is low, and the like, so that the atomizing wheel is gradually eliminated. The assembly positions of the guide block and the upper and lower discs of the atomizing wheel with an open structure are most easily damaged under the impact friction of lime slurry, so that the service life of the atomizing wheel is reduced; meanwhile, the atomizing channel is fan-shaped, and the outer side of the atomizing channel is easy to scale, so that the overall dynamic balance is influenced.

SUMMERY OF THE UTILITY MODEL

This application is directed against the shortcoming among the above-mentioned prior art, provides an abrasion-resistant formula atomizer wheel structure of open structure, can effectively alleviate the material liquid through water conservancy diversion piece and the wear pad in the atomizing export and to the erosive wear of atomizer wheel, improves the life of atomizer wheel.

The utility model discloses the technical scheme who adopts as follows:

a wear-resistant atomizing wheel structure comprises an upper disc and a lower disc which are arranged oppositely from the upper surface and the lower surface, wherein a plurality of guide blocks are arranged between the upper disc and the lower disc and are distributed along the circumferential direction; the lower end face of the upper disc is provided with an upper wear-resistant sheet, the upper end face of the lower disc is provided with a lower wear-resistant sheet, a plurality of flow guide blocks of sector structures are positioned and clamped between the upper wear-resistant sheet and the lower wear-resistant sheet, and the flow guide blocks are detachably connected with the upper wear-resistant sheet and the lower wear-resistant sheet at the upper end and the lower end through connecting pieces.

Furthermore, a lime slurry atomization channel with a rectangular cross section is formed between every two adjacent guide blocks and the upper wear-resisting plate and the lower wear-resisting plate, a feeding hole is formed in the center of the upper disc, and lime slurry enters the lime slurry atomization channel through the feeding hole.

Furthermore, the connecting pieces arranged on the two adjacent guide blocks are respectively a bolt and a positioning pin, the guide blocks connected by the bolt are fixed in position, and the guide blocks connected by the positioning pins can freely rotate around the positioning pins.

Further, go up wear-resisting piece and wear-resisting piece down and set up the water conservancy diversion mounting groove towards water conservancy diversion piece position, the terminal surface inlays respectively about the water conservancy diversion piece and inlays the dress in the water conservancy diversion mounting groove, realizes the centre gripping to the water conservancy diversion piece.

Furthermore, a flow guide positioning groove is formed in the flow guide mounting groove, a flow guide positioning block matched with the flow guide positioning groove in shape is arranged on the upper end face and the lower end face of the flow guide block, the flow guide positioning block is located in the flow guide positioning groove, positioning and mounting of the flow guide block between the upper wear-resistant sheet and the lower wear-resistant sheet are achieved, the cross section of one end, close to the circle center, of the flow guide positioning groove is rectangular, and the cross section of one end, far away from the circle center, of the flow guide positioning groove is arc-shaped.

Furthermore, the cross section of the upper wear-resistant plate is reduced from top to bottom, the cross section of the lower wear-resistant plate is reduced from top to bottom, and the cross section area of an atomizing channel formed between the upper wear-resistant plate and the lower wear-resistant plate is reduced from inside to outside.

Furthermore, the lower end surface of the upper disc is provided with an upper annular groove matched with the upper wear-resistant sheet in shape, the upper wear-resistant sheet is positioned and arranged in the upper annular groove, the upper end surface of the lower disc is provided with a lower annular groove matched with the lower wear-resistant sheet in shape, and the lower wear-resistant sheet is positioned and arranged in the lower annular groove.

Furthermore, an upper gasket is arranged between the upper disc and the upper wear-resistant plate, the upper gasket is positioned in the upper annular groove, a lower gasket is arranged between the lower disc and the lower wear-resistant plate, and the lower gasket is positioned in the lower annular groove.

Further, the center position of the lower plate is provided with a shaft sleeve part, the shaft sleeve part upwards extends out of the center of the upper plate, the center position of the shaft sleeve part is provided with a through hole which is through from top to bottom, a motor shaft is arranged in the through hole, a guide key is arranged on the motor shaft, the inner side surface of the shaft sleeve part is provided with a guide key groove, the guide key is positioned in the guide key groove and can slide up and down along the guide key groove, and the guide key groove can prevent the lower plate from radially rotating on the motor shaft.

Furthermore, the lower opening end of the through hole of the lower disc is provided with a cover plate, the cover plate is detachably connected to the lower end face of the lower disc through a cover plate bolt, the cover plate can seal the lower opening end of the through hole of the lower disc, a first sealing ring is arranged between the cover plate and the lower disc, and a second sealing ring is arranged between the cover plate bolt and the cover plate.

The beneficial effects of the utility model are as follows:

the wear-resistant sheet is arranged between the easily-worn end surfaces of the upper disc and the lower disc, which are contacted with the flow guide block, so that the scouring wear of the feed liquid to the atomizing wheel can be effectively reduced, the wear-resistant sheet is convenient to replace after being worn, the service life of the atomizing wheel is effectively prolonged, and the use cost is reduced; the guide block is of a fan-shaped structure, the cross section of an atomization channel formed by the guide block is rectangular, scaling on the outer side of the guide block can be avoided, and dynamic balance stability is realized; the upper wear-resistant sheet and the lower wear-resistant sheet are provided with the expansion angles of the atomizing channels, so that the fog layer is thicker, the contact area with the flue gas is increased, the reaction is more sufficient, and the desulfurization efficiency is higher; sealing rings are additionally arranged between the cover plate and the lower disc and between the cover plate and the cover plate screw, so that the phenomenon that the cleaning agent corrodes parts such as a motor shaft and the like when the atomizing wheel is soaked and cleaned is effectively avoided.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a semi-sectional view of the present invention.

Fig. 3 is a schematic diagram of the atomizing channel of the present invention.

Fig. 4 is a plane cross-section structure diagram of the guide block.

Fig. 5 is a perspective view of the upper wearpad.

Fig. 6 is a perspective view of the lower wearpad.

Fig. 7 is a perspective view of the guide block.

Wherein: 1. a bottom wall; 2. a lower wear pad; 3. a flow guide block; 4. an upper wear-resistant sheet; 5. hanging the plate; 6. a bolt; 7. positioning pins; 8. a lower gasket; 9. an upper gasket; 10. a cover plate; 11. a motor shaft; 12. a first seal ring; 13. a cover plate bolt; 14. a second seal ring; 15. a guide key; 16. a boss portion; 17. a guide key groove; 18. an upper annular groove; 19. a lower annular groove; 20. a flow guide mounting groove; 21. a flow guide positioning groove; 22. a flow guide positioning block; 23. a feed port; A. the height of the atomization channel; B. expanding the angle of the atomizing channel; C. the width of the nebulization channel.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1, a wear-resistant atomizing wheel structure comprises an upper disc 5 and a lower disc 1 which are arranged oppositely from top to bottom, wherein a plurality of flow guide blocks 3 are arranged between the upper disc 5 and the lower disc 1, and the flow guide blocks 3 are uniformly distributed along the circumferential direction.

As shown in fig. 2 and 3, an upper wear plate 4 is arranged on the lower end surface of an upper disc 5, a lower wear plate 2 is arranged on the upper end surface of a lower disc 1, a plurality of flow guide blocks 3 of sector structures are positioned and clamped between the upper wear plate 4 and the lower wear plate 2, the flow guide blocks 3 are detachably connected with the upper wear plate 4 and the lower wear plate 2 at the upper end and the lower end through connecting pieces, the connecting pieces arranged on two adjacent flow guide blocks 3 are respectively a bolt 6 and a positioning pin 7, the flow guide blocks 3 connected by the bolt 6 are fixed in position, and the flow guide blocks 3 connected by the positioning pin 7 can freely rotate around the positioning pin 7. A lime slurry atomization channel with a rectangular cross section is formed between every two adjacent flow guide blocks 3, the upper wear-resisting piece 4 and the lower wear-resisting piece 2, the lime slurry is kept stable under the pressure of the atomization channel, scaling on the outer side of each flow guide block 3 is avoided, and dynamic balance stability is guaranteed. The assembly clearance of the positioning pin 7 is smaller, and the smaller the assembly clearance is, the less the impact wear of the lime slurry is.

Calculating the area of an atomizing channel according to the actual lime slurry flow, reasonably distributing the height A of the atomizing channel and the expansion angle B of the atomizing channel, and finally determining the width and the height of the flow guide block 3, wherein the larger the lime slurry flow is, the higher the height of the flow guide block 3 is in a reasonable range, and the narrower the width is.

As shown in fig. 5 and 6, the upper wear-resistant sheet 4 and the lower wear-resistant sheet 2 are provided with a guide mounting groove 20 facing the guide block 3, and the upper end surface and the lower end surface of the guide block 3 are respectively embedded in the guide mounting groove 20, so that the guide block 3 is clamped.

As shown in fig. 5 and 6, a diversion positioning groove 21 is arranged in the diversion installation groove 20, a diversion positioning block 22 having a shape matched with that of the diversion positioning groove 21 is arranged on the upper and lower end faces of the diversion block 3, and the diversion positioning block 22 is positioned in the diversion positioning groove 21, so that the diversion block 3 is positioned and installed between the upper wear-resistant piece 4 and the lower wear-resistant piece 2.

As shown in fig. 5 and 6, the cross section of the end of the guiding positioning groove 21 close to the center of the circle is rectangular, and the rectangular shape can accurately position the installation direction of the guiding block 3, so that the sizes of all the atomizing channels are consistent. The cross section of one end of the diversion positioning groove 21 far away from the circle center is arc-shaped, and the arc-shaped can effectively disperse the centrifugal force of the diversion block 3.

As shown in fig. 2 and 3, the cross section of the upper wear-resistant plate 4 is reduced from top to bottom, the cross section of the lower wear-resistant plate 2 is reduced from top to bottom, the cross section area of the atomizing channel formed between the upper wear-resistant plate 4 and the lower wear-resistant plate 2 is reduced from inside to outside, the expansion angle B of the atomizing channel can be increased, the mist field angle is increased, the spraying thickness is increased, the contact area is increased, the reaction with flue gas is more sufficient, and the desulfurization effect is better.

As shown in fig. 2 and 3, the lower end surface of the upper disc 5 is provided with an upper annular groove 18 matching the shape of the upper wear pad 4, and the upper wear pad 4 is positioned in the upper annular groove 18. The upper end surface of the lower disc 1 is provided with a lower annular groove 19 matched with the lower wear-resistant sheet 2 in shape, and the lower wear-resistant sheet 2 is positioned in the lower annular groove 19.

As shown in fig. 2 and 3, an upper gasket 9 is provided between the upper disc 5 and the upper wear plate 4, and the upper gasket 9 is located in the upper annular groove 18. A lower gasket 8 is arranged between the lower disc 1 and the lower wear-resisting plate 2, and the lower gasket 8 is positioned in the lower annular groove 19.

As shown in fig. 2 and 3, a feed hole 23 is provided in the center of the upper disc 5, and the lime mud enters the lime mud atomization channel through the feed hole 23. The center of the lower disc 1 is provided with a shaft sleeve part 16, and the shaft sleeve part 16 extends upwards out of the center of the upper disc 5. 16 central point of axle sleeve portion puts and sets up the through-hole that link up from top to bottom, sets up motor shaft 11 in the through-hole, sets up guide key 15 on the

motor shaft

11, and 16 medial surfaces of axle sleeve portion set up direction keyway 17, and guide key 15 is located guide keyway 17 to can slide from top to bottom along guide keyway 17, guide keyway 17 can prevent lower wall 1 and radially rotate on motor shaft 11.

As shown in fig. 2 and fig. 3, the cover plate 10 is arranged at the lower opening end of the through hole of the lower disc 1, the cover plate 10 is detachably connected to the lower end surface of the lower disc 1 through a cover plate bolt 13, and the cover plate 10 can seal the lower opening end of the through hole of the lower disc 1.

As shown in fig. 2 and 3, a first sealing ring 12 is arranged between the cover plate 10 and the lower disc 1, a second sealing ring 14 is arranged between the cover plate bolt 13 and the cover plate 10, the sealing effect is enhanced through the first sealing ring 12 and the second sealing ring 14, when the atomizing wheel is prevented from being soaked and cleaned, cleaning agents corrode parts such as a motor shaft and the like, threads are added to a mounting hole of the cover plate, the cover plate can be ejected when the atomizing wheel is detached, and the operation is convenient.

The utility model discloses a theory of operation is: lime slurry enters from a feeding hole in the middle of the upper plate and the lower plate, the atomizing wheel rotates clockwise at high speed of 10000-20000 r/min, and when the lime slurry enters and spreads to the surface of the lower plate, the lime slurry is discharged outwards through the atomizing opening of the flow guide block. The liquid is subjected to two forces: one is to be accelerated under the action of centrifugal force and gravity to split and atomize; another is that there is friction to promote atomization when the slurry and ambient air are simultaneously in contact. The former is centrifugal atomization and the latter is velocity atomization.

The above description is for the purpose of explanation and not limitation of the invention, and reference is made to the claims for what are intended to be covered by the present invention.

Claims

1. A wear-resisting formula atomizing wheel structure, includes upper plate (5) and lower wall (1) that go up the following face-to-face setting, its characterized in that: a plurality of flow guide blocks (3) are arranged between the upper disc (5) and the lower disc (1), and the flow guide blocks (3) are distributed along the circumferential direction; the lower end face of the upper disc (5) is provided with an upper wear-resistant sheet (4), the upper end face of the lower disc (1) is provided with a lower wear-resistant sheet (2), a plurality of flow guide blocks (3) of sector structures are positioned and clamped between the upper wear-resistant sheet (4) and the lower wear-resistant sheet (2), and the flow guide blocks (3) are detachably connected with the upper wear-resistant sheet (4) and the lower wear-resistant sheet (2) at the lower end through connecting pieces.

2. A wear resistant atomizer wheel construction as claimed in claim 1, wherein: a lime slurry atomizing channel with a rectangular cross section is formed between every two adjacent flow guide blocks (3) and the upper wear-resisting plate (4) and the lower wear-resisting plate (2), a feed hole (23) is formed in the center of the upper disc (5), and lime slurry enters the lime slurry atomizing channel through the feed hole (23).

3. A wear resistant atomizer wheel construction according to claim 2, wherein: the connecting pieces arranged on the two adjacent guide blocks (3) are respectively a bolt (6) and a positioning pin (7), the guide blocks (3) connected by the bolts (6) are fixed in position, and the guide blocks (3) connected by the positioning pins (7) can freely rotate around the positioning pins (7).

4. A wear resistant atomizer wheel construction in accordance with claim 1, wherein: go up wear-resisting piece (4) and wear-resisting piece (2) down and set up water conservancy diversion mounting groove (20) towards water conservancy diversion piece (3) position, the terminal surface inlays respectively in water conservancy diversion mounting groove (20) about water conservancy diversion piece (3), realizes the centre gripping to water conservancy diversion piece (3).

5. A wear resistant atomizer wheel construction according to claim 4, wherein: the guide positioning groove (21) is formed in the guide mounting groove (20), the upper end face and the lower end face of the guide block (3) are provided with guide positioning blocks (22) matched with the guide positioning grooves (21) in shape, the guide positioning blocks (22) are located in the guide positioning grooves (21), positioning and mounting of the guide block (3) between the upper wear-resistant piece (4) and the lower wear-resistant piece (2) are achieved, the cross section of one end, close to the circle center, of the guide positioning groove (21) is rectangular, and the cross section of one end, far away from the circle center, of the guide positioning groove (21) is arc-shaped.

6. A wear resistant atomizer wheel construction as claimed in claim 1, wherein: the cross section of the upper wear-resistant plate (4) is changed from large to small from top to bottom, the cross section of the lower wear-resistant plate (2) is changed from small to large from top to bottom, and the area of the cross section of an atomizing channel formed between the upper wear-resistant plate (4) and the lower wear-resistant plate (2) is changed from small to large from inside to outside.

7. A wear resistant atomizer wheel construction in accordance with claim 1, wherein: the lower end face of the upper disc (5) is provided with an upper annular groove (18) matched with the upper wear-resistant sheet (4) in shape, the upper wear-resistant sheet (4) is positioned in the upper annular groove (18), the upper end face of the lower disc (1) is provided with a lower annular groove (19) matched with the lower wear-resistant sheet (2) in shape, and the lower wear-resistant sheet (2) is positioned in the lower annular groove (19).

8. A wear resistant atomizer wheel construction in accordance with claim 7, wherein: an upper gasket (9) is arranged between the upper disc (5) and the upper wear-resistant plate (4), the upper gasket (9) is positioned in the upper annular groove (18), a lower gasket (8) is arranged between the lower disc (1) and the lower wear-resistant plate (2), and the lower gasket (8) is positioned in the lower annular groove (19).

9. A wear resistant atomizer wheel construction as claimed in claim 1, wherein: lower wall (1) central point puts and sets up axle sleeve portion (16), axle sleeve portion (16) upwards stretch out upper wall (5) center, axle sleeve portion (16) central point puts the through-hole that link up from top to bottom that sets up, set up motor shaft (11) in the through-hole, set up guide key (15) on motor shaft (11), axle sleeve portion (16) medial surface sets up guide key groove (17), guide key (15) are located guide key groove (17), and can slide from top to bottom along guide key groove (17), guide key groove (17) can prevent that lower wall (1) from radially rotating on motor shaft (11).

10. A wear resistant atomizer wheel construction in accordance with claim 9, wherein: the through-hole under shed end position of lower wall (1) sets up apron (10), and apron (10) are terminal surface under lower wall (1) through apron bolt (13) detachable connection, and the through-hole under shed end of lower wall (1) can be sealed in apron (10), sets up first sealing washer (12) between apron (10) and lower wall (1), sets up second sealing washer (14) between apron bolt (13) and apron (10).