CN221120491U

CN221120491U - Slurry circulating pump applied to flue gas desulfurization

Info

Publication number: CN221120491U
Application number: CN202323153949.9U
Authority: CN
Inventors: 黄晓克
Original assignee: Zhejiang Jiangnan Petrochemical Machinery Co ltd
Current assignee: Zhejiang Jiangnan Petrochemical Machinery Co ltd
Priority date: 2023-11-22
Filing date: 2023-11-22
Publication date: 2024-06-11
Anticipated expiration: 2033-11-22

Abstract

The utility model discloses a slurry circulating pump applied to flue gas desulfurization, which comprises a main body, wherein one end of the main body is provided with a water inlet, the top of the main body is provided with a water outlet, one end of the main body far away from the water inlet is provided with a pressurizing device, the pressurizing device extends into the main body and moves at the junction of the water inlet and the water outlet, the top of the outer wall of the main body is provided with a movable opening at the water inlet, the inner wall of the water inlet is provided with a mounting groove right below the movable opening, the mounting groove is internally provided with a filtering device, and the movable opening is provided with a fixed plate. Through setting up filter equipment in water inlet department to the realization is filtered the liquid that carries enters into next device through the transport of desulfurization circulating pump, thereby effectively reduces impurity and piles up the phenomenon at the desulfurization circulating pump, makes the life who improves the desulfurization and trades the pump.

Description

Slurry circulating pump applied to flue gas desulfurization

Technical Field

The utility model relates to the technical field of slurry circulating pumps, in particular to a slurry circulating pump applied to flue gas decatizing.

Background

The common slurry circulating pump for desulfurization is a horizontal cantilever type single-stage single-suction centrifugal pump, which is specially designed and developed for conveying corrosive media containing fine particles, the common materials of the desulfurization pump are a plastic pump and a metal pump, and the requirements of the overcurrent materials are wear resistance, corrosion resistance and impact resistance; because the desulfurization slurry circulating pump outlet has no valve, in order to prevent the huge water hammer effect of liquid, the pump body is required to be resistant to impact and has certain temperature resistance, generally at minus 20 ℃ to 90 ℃, and the machine seal is required to be free of an external cooling water system in the north, so that self-cooling is provided inside the pump body.

When the prior desulfurization circulating pump is used, the conveyed liquid enters the next device through the conveying of the desulfurization circulating pump, but a large amount of impurities exist in the liquid in the conveying process, and part of impurities are easily accumulated in the desulfurization circulating pump, so that the damage of the desulfurization circulating pump is caused, and the service life of the desulfurization circulating pump is reduced.

Disclosure of Invention

The utility model aims to provide a slurry circulating pump applied to flue gas desulfurization, which is used for solving the problems that the liquid conveyed by the background technology enters the next device through the conveying of the desulfurization circulating pump, but a large amount of impurities exist in the liquid in the conveying process, and part of impurities are easily accumulated in the desulfurization circulating pump, so that the desulfurization circulating pump is damaged, and the service life of the desulfurization circulating pump is reduced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a be applied to flue gas desulfurization's thick liquid circulating pump, includes the main part, the water inlet has been joined in marriage to main part one end, the delivery port has been joined in marriage at main part top, the main part is kept away from water inlet one end and has been joined in marriage supercharging device, supercharging device extends to inside the main part, just supercharging device moves in water inlet and delivery port junction, main part outer wall top is located water inlet department and has seted up movable mouth, the mounting groove has been seted up under the water inlet inner wall is located movable mouth, filter equipment has been joined in marriage in the mounting groove, movable mouth department has been joined in marriage the fixed plate.

Preferably, the filter device comprises a metal filter screen, a mounting frame and a guide rail, wherein the guide rail is fixedly connected to the outer wall of the mounting frame, the guide rail is matched with the mounting groove, and the metal filter screen is fixedly connected in the mounting frame.

Preferably, the outer wall structure shape of the mounting frame is designed along the inner wall structure shape of the water inlet.

Preferably, the movable opening inner wall fixedly connected with mounting platform, mounting platform top fixedly connected with sealing washer, a plurality of screw hole has been seted up between sealing washer and the movable opening inner wall to mounting platform top surface.

Preferably, the surface of the fixing plate is provided with a connecting hole at the position opposite to the threaded hole, and the threaded hole is internally connected with a screw through threads.

Preferably, a sealing ring is arranged at the bottom of the fixing plate at the connecting hole.

Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

1. Through setting up filter equipment in water inlet department to the realization is filtered the liquid that carries enters into next device through the transport of desulfurization circulating pump, thereby effectively reduces impurity and piles up the phenomenon at the desulfurization circulating pump, makes the life who improves the desulfurization and trades the pump.

2. The movable opening is formed in the position, right above the filtering device, of the outer wall of the main body, so that the condition that a filter screen in the filtering device is blocked after being used for a long time is avoided, and the purpose of conveniently replacing the filtering device is achieved.

Drawings

FIG. 1 is a schematic view of the overall internal cross-sectional structure of the present utility model;

FIG. 2 is a schematic view of a part of the structure of the movable opening of the utility model;

FIG. 3 is a schematic view of the split structure at the movable opening of the present utility model.

1. A main body; 2. a water inlet; 3. a water outlet; 4. a pressurizing device; 5. a filtering device; 6. a fixing plate;

11. A movable opening; 12. a mounting platform; 13. a seal ring; 14. a mounting groove; 15. a threaded hole; 51. a mounting frame;

52. a guide rail; 53. a metal filter screen; 61. a connection hole; 62. and (5) a screw.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer", "vertical", "horizontal", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific direction, construct and operate in the specific direction, and thus are not to be construed as limiting the present utility model. 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.

Fig. 1-3 are schematic structural diagrams of a slurry circulating pump for flue gas desulfurization according to a preferred embodiment of the present utility model, in which the slurry circulating pump for flue gas desulfurization includes a main body 1, a water inlet 2 is disposed at one end of the main body 1, and a water outlet 3 is disposed at the top of the main body 1, meanwhile, a pressurizing device 4 is disposed at one end of the main body 1 far away from the water inlet 2, the pressurizing device 4 extends into the main body 1, and the pressurizing device 4 moves at the junction of the water inlet 2 and the water outlet 3, so that the pressurizing device 4 rotates to drive liquid to flow from the water inlet 2 to the water outlet 3, a movable opening 11 is disposed at the water inlet 2 at the top of the outer wall of the main body 1 due to a large amount of impurities in the liquid, so that the subsequent maintenance work can be facilitated, and a mounting groove 14 is disposed under the movable opening 11 at the inner wall of the water inlet 2, so as to limit the filtering device 5, so as to prevent the filtering device 5 from deviating due to the liquid flow, a filtering device 5 is disposed in the mounting groove 14, a fixed plate 6 is disposed at the junction of the water inlet 2, so that the movable plate 6 is sealed to prevent the liquid leakage.

In this embodiment, the filtering device 5 includes a metal filter screen 53, a mounting frame 51 and a guide rail 52, the guide rail 52 is fixedly connected to the outer wall of the mounting frame 51, and the guide rail 52 is adapted to the mounting groove 14, so that the mounting frame 51 can be better inserted into the water inlet 2, and the metal filter screen 53 is fixedly connected to the mounting frame 51, thereby achieving the filtering effect on the liquid.

In this embodiment, the outer wall structure of the mounting frame 51 is designed along the inner wall structure of the water inlet 2, and the design of the mounting frame can better enable the mounting frame 51 to be mounted on the inner wall of the water inlet 2, and ensure the liquid filtering effect.

In this embodiment, the inner wall of the movable opening 11 is fixedly connected with the mounting platform 12, the sealing ring 13 is fixedly connected with the top of the mounting platform 12, the sealing ring 13 is prevented from being extruded after being connected between the mounting platform 12 and the fixed plate 6, the sealing ring 13 is tightly attached between the mounting platform 12 and the fixed plate 6, thereby preventing liquid from seeping out from a gap, improving the tightness of connection, simultaneously, a plurality of threaded holes 15 are formed between the sealing ring 12 and the inner wall of the movable opening 11 on the top surface of the mounting platform 12, the surface of the fixed plate 6 is provided with the connecting holes 61 at the positions opposite to the threaded holes 15, the threaded holes 15 and the connecting holes 61 are internally threaded with screws 62, the design of the structure is such that the fixed plate 6 has the disassembling and assembling functions, the metal filter screen 53 is convenient to separate from the movable opening 11 due to excessive impurities in the subsequent use process, the screw 62 is loosened, the filter device 5 is taken out, the new filter device 5 is put in place, and after the filter device 5 is put in place, the new filter device is fixed by screwing the screw 62.

In this embodiment, a sealing ring 13 is disposed at the bottom of the fixing plate 6 at the connecting hole 61, and in order to prevent the possibility of exudation of the liquid from the threaded hole 15 and the connecting hole 61, the sealing ring 13 is disposed around the connecting hole 61, and the fixing plate is compressed downward by screwing the screw 62, so as to press the sealing ring 13 tightly against the screw 62, thereby ensuring that the liquid does not exude from the threaded hole 15 and the connecting hole 61.

The foregoing is a further elaboration of the present utility model in connection with the detailed description, and it is not intended that the utility model be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the utility model, should be considered as falling within the scope of the utility model as defined in the appended claims.

Claims

1. The utility model provides a be applied to thick liquid circulating pump of flue gas desulfurization, includes main part (1), its characterized in that: the utility model discloses a water inlet, including main part (1), main part (1) top has been provided with delivery port (3), main part (1) is kept away from water inlet (2) one end and has been provided with supercharging device (4), supercharging device (4) extend to main part (1) inside, just supercharging device (4) activity in water inlet (2) and delivery port (3) intersection, movable mouth (11) have been seted up in water inlet (2) department in main part (1) outer wall top, water inlet (2) inner wall has been located under movable mouth (11) and has been offered mounting groove (14), filter equipment (5) have been provided in mounting groove (14), fixed plate (6) have been provided in movable mouth (11) department.

2. A slurry circulation pump for use in flue gas desulfurization according to claim 1, wherein: the filtering device (5) comprises a metal filter screen (53), a mounting frame (51) and a guide rail (52), wherein the guide rail (52) is fixedly connected to the outer wall of the mounting frame (51), the guide rail (52) is matched with the mounting groove (14), and the metal filter screen (53) is fixedly connected in the mounting frame (51).

3. A slurry circulation pump for use in flue gas desulfurization according to claim 2, wherein: the outer wall structure shape of the mounting frame (51) is designed along the inner wall structure shape of the water inlet (2).

4. A slurry circulation pump for use in flue gas desulfurization according to claim 1, wherein: the movable opening (11) inner wall fixedly connected with mounting platform (12), mounting platform (12) top fixedly connected with sealing washer (13), a plurality of screw holes (15) have been seted up between sealing washer (13) and movable opening (11) inner wall to mounting platform (12) top surface.

5. A slurry circulation pump for use in flue gas desulfurization according to claim 1, wherein: the surface of the fixing plate (6) is provided with a connecting hole (61) at the position opposite to the threaded hole (15), and the threaded hole (15) is internally connected with a screw (62) through threads with the connecting hole (61).

6. A slurry circulation pump for use in flue gas desulfurization according to claim 5, wherein: a sealing ring (13) is arranged at the bottom of the fixing plate (6) and positioned at the connecting hole (61).