CN215086154U

CN215086154U - Novel stirring mechanism of desulfurizing tower

Info

Publication number: CN215086154U
Application number: CN202121316743.1U
Authority: CN
Inventors: 杜冰莹; 李兵凡; 张甜; 谢晨浩; 唐梦楠
Original assignee: Zhejiang Shanying Paper Industry Co Ltd
Current assignee: Aituo Environmental Energy Zhejiang Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2021-12-10
Anticipated expiration: 2031-06-11

Abstract

The utility model provides a novel desulfurizing tower rabbling mechanism, it has solved the poor scheduling problem of agitating unit leakproofness, it includes the desulfurizing tower main part, the inside stirring cavity that is provided with of desulfurizing tower main part, it has a thick liquid mouth to open in the desulfurizing tower main part, the inside top of stirring cavity is provided with the water conservancy diversion subassembly with a thick liquid mouth intercommunication, desulfurizing tower main part below one side is provided with the thick liquid mouth that advances that communicates with the stirring cavity, stirring cavity bottom is provided with and advances the fluidization plate subassembly of thick liquid mouth intercommunication, go out the thick liquid mouth outside through fluidization pump and fluidization pipeline with advance thick liquid mouth intercommunication. The utility model has the advantages of good sealing performance, good stirring effect and the like.

Description

Novel stirring mechanism of desulfurizing tower

Technical Field

The utility model belongs to the technical field of the stirring, concretely relates to novel desulfurizing tower rabbling mechanism.

Background

The desulfurizing tower is used as main equipment for removing sulfur dioxide from boiler waste gas, and is widely applied to thermal power plants. Because the desulfurizer adopts limestone, continuous stirring is needed when the desulfurizing tower operates, and the slurry in the desulfurizing tower is prevented from precipitating. The height of 1.5 meters is about in the desulfurizing tower bottom to conventional stirring mode, and every 120 stir-ers of ring tower week, agitator pass the desulfurizing tower, and motor reducer and strutting arrangement arrange in the desulfurizing tower outside, and the transmission shaft passes through mechanical seal, passes the tower body, connects stirring vane in the tower. Because the slurry in the desulfurizing tower is recycled, the slurry is continuously pumped to the spraying layer by the circulating pump and then is sprayed continuously. The slurry at the bottom of the desulfurization tower always flows to the inlet of the circulating pump, and the slurry continuously flows and is washed, so that the blades of the stirrer are abraded and even fall off. Meanwhile, the stirrer penetrates out of the tower body, so that slurry leakage can occur when the mechanical seal fails.

In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, the chinese patent document discloses a fluidized catalytic cracking regeneration flue gas dust removal and desulfurization device [201420669405.X ], which comprises a desulfurization tower, a venturi reaction zone in the desulfurization tower, a wet electrostatic dust removal demister; the desulfurizing tower is an air-jet tower and consists of a flue gas inlet at the middle lower part of the tower, a Venturi reaction zone at the middle part in the tower, a spraying layer positioned above the Venturi reaction zone, a stirrer arranged at the bottom of the tower, a shell and a flue gas outlet at the top of the tower, wherein the stirrer is a mechanical stirrer or a pulse stirrer; the wet electrostatic dust removal demister and the desulfurizing tower are integrated together through the communicating vessel and are placed at the top or adjacent sides of the desulfurizing tower.

The scheme solves the problem of serious abrasion of the blades of the conventional stirring device to a certain extent, but the scheme still has a plurality of defects, such as insufficient sealing property, easy slurry leakage and the like.

Disclosure of Invention

The utility model aims at the above problem, provide a reasonable in design, novel desulfurizing tower rabbling mechanism that sealing performance is good.

In order to achieve the above purpose, the utility model adopts the following technical proposal: this novel desulfurizing tower rabbling mechanism, including the desulfurizing tower main part, the inside stirring cavity that is provided with of desulfurizing tower main part, it has the grout outlet to open in the desulfurizing tower main part, and the inside top of stirring cavity is provided with the water conservancy diversion subassembly with grout outlet intercommunication, and desulfurizing tower main part below one side is provided with the grout inlet that feeds through with the stirring cavity, and stirring cavity bottom is provided with the fluidization plate subassembly with grout inlet intercommunication, and grout outlet is outside to be passed through fluidization pump and fluidization pipeline and grout inlet intercommunication. The fluidization plate component and the flow guide component realize fluidization stirring of the slurry under the driving of the fluidization pump, and the stirring cavity in the fluidization plate component is integrally sealed, so that the fluidization plate component has a good sealing effect and effectively prevents the slurry from flowing outwards.

In foretell novel desulfurizing tower rabbling mechanism, the desulfurizing tower main part includes the desulfurizing tank body and sets up the support body in the desulfurizing tank body below, and the desulfurizing tank body bottom is flat and the upper end is the button head, is provided with damping mechanism between the desulfurizing tank body and the support body, and the desulfurizing tank body outside is provided with strengthening mechanism. The support frame body lifts the desulfurization tank body relative to the ground, and plays a certain protection role on the desulfurization tank body.

In foretell novel desulfurizing tower rabbling mechanism, the support body includes the support post of a plurality of vertical settings, is provided with the backup pad relative with the digester body bottom between the support post inboard, is provided with the support ring that relative digester body outside encircleed between the support post, and the support post lower extreme is provided with the support of back taper enough. The support frame body structure is comparatively stable, can bear the thick liquid of big quality.

In foretell novel desulfurizing tower rabbling mechanism, damping mechanism is provided with the damping piece that a plurality of relative desulfurizing tank body central axis encircle including setting up the damping pad between backup pad and the desulfurizing tank body bottom between support ring and the desulfurizing tank body outer wall. The vibration reduction mechanism plays a role in buffering when internal slurry circularly flows, and reduces vibration to the support frame body.

In foretell novel desulfurizing tower rabbling mechanism, strengthen the mechanism and include the strengthening rib that encircles along the outer wall of the desulfurizing tank body, both sides are provided with a plurality of enhancement archs even as an organic whole with the outer wall of the desulfurizing tank body respectively about the strengthening rib, and the thickness of the top of the desulfurizing tank body is greater than side wall thickness. The strengthening mechanism of the desulfurizing tank body improves the strength of the whole structure, so that the desulfurizing tank body can bear certain negative pressure.

In foretell novel desulfurizing tower rabbling mechanism, the desulfurizing tank body side is provided with the thick liquid of communicateing with inside stirring cavity and imports and exports, and thick liquid business turn over mouth department is provided with the stop valve. The stop valve of the grout inlet and outlet is convenient for blocking the grout inlet and outlet at any time.

In foretell novel desulfurizing tower rabbling mechanism, the water conservancy diversion subassembly includes the water conservancy diversion support body of level setting, and the water conservancy diversion support body has the water conservancy diversion strip of a plurality of relative desulfurizing tank body centrosymmetry, and it has the guiding gutter to open along the axial above the water conservancy diversion strip, and water conservancy diversion strip top both sides are arranged along the axial has the overflow launder with the guiding gutter intercommunication, and the guiding gutter on one of them water conservancy diversion strip communicates with the grout outlet and all the other water conservancy diversion strip ends are fixed with the inner wall of the desulfurizing tank body.

In foretell novel desulfurizing tower rabbling mechanism, fluidization plate subassembly is including setting up the fixed plate in the desulfurizing tank body bottom, and the fixed plate top is arranged and is had a plurality of parallel fluidization pipes, and fluidization hole has evenly been arranged above the fluidization pipe, and through advancing the thick liquid pipe intercommunication each other and advance the thick liquid pipe and advance the thick liquid mouth switch-on between the fluidization pipe. The fluidization plate assembly helps to uniformly guide the slurry.

In the novel stirring mechanism of the desulfurization tower, the fluidization pump is positioned between the slurry outlet and the slurry inlet. The fluidization pump is higher relative to the slurry inlet, so that slurry can be conveniently guided into the slurry inlet.

In the novel stirring mechanism of the desulfurization tower, on-off valves are respectively arranged on the fluidization pipeline between the fluidization pump and the slurry outlet and between the fluidization pump and the slurry inlet. The on-off valve cuts off the fluidization pipeline according to actual needs, and the fluidization pump is convenient to drain residual slurry.

Compared with the prior art, the utility model has the advantages of: the desulfurizing tower main body realizes the circular flow of slurry through the fluidization pump and the fluidization plate component, is wholly sealed in the stirring cavity and has better sealing property; the flow guide assembly guides the slurry to flow uniformly, so that a better stirring effect is achieved; the strengthening mechanism outside the desulfurizing tank body and the supporting frame body below improve the overall structural stability of the desulfurizing tower main body.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a sectional view of the desulfurization tank of the present invention;

fig. 3 is a schematic structural view of the flow guide assembly of the present invention;

FIG. 4 is a schematic structural view of a fluidization plate assembly of the present invention;

in the figure, a desulfurizing tower main body 1, a slurry outlet 11, a slurry inlet 12, a fluidizing pump 13, a fluidizing pipeline 14, an on-off valve 15, a stirring cavity 2, a flow guide assembly 3, a flow guide frame body 31, a flow guide strip 32, a flow guide groove 33, an overflow groove 34, a fluidizing plate assembly 4, a fixing plate 41, a fluidizing pipe 42, a fluidizing hole 43, a slurry inlet pipe 44, a desulfurizing tank body 5, a slurry inlet and outlet 51, a stop valve 52, a support frame body 6, a support upright post 61, a support plate 62, a support ring 63, a support foot 64, a vibration damping mechanism 7, a vibration damping pad 71, a damping block 72, a reinforcing mechanism 8, a reinforcing rib 81 and a reinforcing protrusion 82 are arranged.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-4, this novel stirring mechanism for desulfurizing tower, including desulfurizing tower main part 1, desulfurizing tower main part 1 is inside to be provided with stirring cavity 2, it has play thick liquid mouth 11 to open on desulfurizing tower main part 1, the inside top of stirring cavity 2 is provided with the water conservancy diversion subassembly 3 with play thick liquid mouth 11 intercommunication, desulfurizing tower main part 1 below one side is provided with the thick liquid mouth 12 that advances with stirring cavity 2 intercommunication, stirring cavity 2 bottom is provided with the fluidization plate subassembly 4 with advance thick liquid mouth 12 intercommunication, play thick liquid mouth 11 outside is through fluidization pump 13 and fluidization pipeline 14 and advance thick liquid mouth 12 intercommunication. The slurry inlet 12 and the slurry outlet 11 of the stirring cavity 2 are communicated with a fluidization pump 13 and are matched with the flow guide assembly 3 and the fluidization plate assembly 4 to realize the circular flow stirring of the internal slurry or particles.

Specifically, desulfurizing tower main part 1 includes the desulfurizing tank body 5 and sets up support frame body 6 in the desulfurizing tank body 5 below, and the desulfurizing tank body 5 bottom is for flat and the upper end is the button head, is provided with damping mechanism 7 between the desulfurizing tank body 5 and the support frame body 6, and the desulfurizing tank body 5 outside is provided with strengthening mechanism 8. The desulfurization tank body 5 and the support frame body 6 are relatively independent, and are kept relatively fixed through the vibration reduction mechanism 7, so that the vibration of the desulfurization tank body 5 in the stirring process is buffered.

Deeply, the supporting frame body 6 comprises a plurality of vertically arranged supporting columns 61, a supporting plate 62 opposite to the bottom of the desulfurization tank 5 is arranged between the inner sides of the supporting columns 61, a supporting ring 63 surrounding the outer side of the desulfurization tank 5 is arranged between the supporting columns 61, and inverted-cone-shaped supporting feet 64 are arranged at the lower ends of the supporting columns 61. The supporting column 61 cooperates with the supporting plate 62 and the supporting ring 63 to limit the position of the desulfurization tank 5, and the supporting foot 64 at the lower end is stably supported and fixed with the ground.

Further, the vibration damping mechanism 7 comprises a vibration damping pad 71 arranged between the supporting plate 62 and the bottom of the desulfurization tank 5, and a plurality of damping blocks 72 surrounding the central axis of the desulfurization tank 5 are arranged between the supporting ring 63 and the outer wall of the desulfurization tank 5. The vibration damping pad 71 and the damping block 72 have certain elasticity, and are used for vibration damping and automatic resetting of the desulfurization tank body 5, and the joint of the desulfurization tank body 5 and the support frame body 6 is protected.

Furthermore, the reinforcing mechanism 8 comprises a reinforcing rib 81 surrounding along the outer wall of the desulfurization tank body 5, a plurality of reinforcing protrusions 82 integrated with the outer wall of the desulfurization tank body 5 are respectively arranged on the upper side and the lower side of the reinforcing rib 81, and the thickness of the top of the desulfurization tank body 5 is larger than that of the side wall. Strengthening ribs 81 and strengthening bulges 82 in the strengthening mechanism 8 and the desulfurization tank body 5 are integrally formed, and meanwhile, the spherical top thickness of the desulfurization tank body 5 is increased, so that the overall pressure resistance of the desulfurization tank body 5 is improved.

In addition, a slurry inlet and outlet 51 communicated with the internal stirring cavity 2 is arranged on the side surface of the desulfurization tank body 5, and a stop valve 52 is arranged at the slurry inlet and outlet 51. The stop valve 52 controls the opening and closing of the slurry inlet and outlet 51 for the filling and discharging inside the desulfurization tank 5, and the slurry inlet and outlet 51 can be arranged at the bottom of the desulfurization tank 5 to help the desulfurization tank 5 to discharge slurry quickly.

Meanwhile, the guide assembly 3 comprises a horizontally arranged guide frame body 31, the guide frame body 31 is provided with a plurality of guide strips 32 which are symmetrical relative to the center of the desulfurization tank body 5, guide grooves 33 are formed above the guide strips 32 along the axial direction, overflow grooves 34 communicated with the guide grooves 33 are axially arranged on two sides above the guide strips 32, the guide groove 33 on one guide strip 32 is communicated with the slurry outlet 11, and the ends of the rest guide strips 32 are fixed with the inner wall of the desulfurization tank body 5. The guide frame body 31 guides the slurry to flow into the stirring cavity 2 from the slurry outlet 11, so that the slurry is uniformly distributed.

As can be seen, the fluidization plate assembly 4 includes a fixed plate 41 disposed at the bottom of the desulfurization tank 5, a plurality of parallel fluidization tubes 42 are arranged above the fixed plate 41, fluidization holes 43 are uniformly arranged above the fluidization tubes 42, the fluidization tubes 42 are communicated with each other through a slurry inlet tube 44, and the slurry inlet tube 44 is communicated with the slurry inlet 12. The fluidizing holes 43 of the fluidizing plate assembly 4 draw the slurry into the fluidizing pipe 42 and out through the slurry inlet pipe 44.

It is clear that the fluidization pump 13 is located between the slurry outlet 11 and the slurry inlet 12. The fluidization pump 13 provides a driving force for the slurry flow so that the slurry circulates between the slurry outlet 11 and the slurry inlet 12.

Preferably, on-off valves 15 are respectively arranged on the fluidization lines 14 between the fluidization pump 13 and the slurry outlet 11 and the slurry inlet 12. The on-off valve 15 blocks the fluidizing line 14, and the fluidizing pump 13 continues to operate to introduce residual slurry in another fluidizing line 14.

In summary, the principle of the present embodiment is: the stirring cavity 2 in the desulfurizing tower main body 1 is filled with sulfur-containing slurry, lime is added at the same time, and the fluidizing pump 13 provides driving force, so that the slurry circularly flows between the slurry outlet 11 and the slurry inlet 12, and the uniform flow of the slurry is realized by matching the flow guide assembly 3 and the fluidizing plate assembly 4.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the desulfurization tower main body 1, the slurry outlet 11, the slurry inlet 12, the fluidization pump 13, the fluidization pipeline 14, the on-off valve 15, the stirring chamber 2, the diversion assembly 3, the diversion frame body 31, the diversion strip 32, the diversion trench 33, the overflow tank 34, the fluidization plate assembly 4, the fixing plate 41, the fluidization pipe 42, the fluidization hole 43, the slurry inlet pipe 44, the desulfurization tank body 5, the slurry inlet and outlet 51, the stop valve 52, the support frame body 6, the support column 61, the support plate 62, the support ring 63, the support foot 64, the vibration damping mechanism 7, the vibration damping pad 71, the damping block 72, the reinforcing mechanism 8, the reinforcing rib 81, the reinforcing protrusion 82, and the like are used more frequently herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a novel stirring mechanism of desulfurizing tower, includes desulfurizing tower main part (1), its characterized in that, desulfurizing tower main part (1) inside be provided with stirring cavity (2), desulfurizing tower main part (1) on open and to have a thick liquid mouth (11), the inside top of stirring cavity (2) be provided with water conservancy diversion subassembly (3) of thick liquid mouth (11) intercommunication, desulfurizing tower main part (1) below one side be provided with the thick liquid mouth (12) of advancing of stirring cavity (2) intercommunication, stirring cavity (2) bottom be provided with the fluidization plate subassembly (4) that advance thick liquid mouth (12) intercommunication, thick liquid mouth (11) outside through fluidization pump (13) and fluidization pipeline (14) with advance thick liquid mouth (12) intercommunication.

2. The novel stirring mechanism of the desulfurizing tower as claimed in claim 1, wherein the desulfurizing tower main body (1) comprises a desulfurizing tank body (5) and a supporting frame body (6) arranged below the desulfurizing tank body (5), the bottom of the desulfurizing tank body (5) is flat, the upper end of the desulfurizing tank body is round, a damping mechanism (7) is arranged between the desulfurizing tank body (5) and the supporting frame body (6), and a reinforcing mechanism (8) is arranged on the outer side of the desulfurizing tank body (5).

3. The novel stirring mechanism of the desulfurizing tower as claimed in claim 2, wherein the supporting frame body (6) comprises a plurality of vertically arranged supporting columns (61), a supporting plate (62) opposite to the bottom of the desulfurizing tank body (5) is arranged between the inner sides of the supporting columns (61), a supporting ring (63) surrounding the outer side of the desulfurizing tank body (5) is arranged between the supporting columns (61), and the lower ends of the supporting columns (61) are provided with inverted-cone-shaped supporting feet (64).

4. The stirring mechanism of the novel desulfurizing tower according to claim 3, characterized in that the vibration damping mechanism (7) comprises a vibration damping pad (71) arranged between the supporting plate (62) and the bottom of the desulfurizing tank body (5), and a plurality of damping blocks (72) surrounding the central axis of the desulfurizing tank body (5) are arranged between the supporting ring (63) and the outer wall of the desulfurizing tank body (5).

5. The novel stirring mechanism of the desulfurizing tower as claimed in claim 3, wherein the reinforcing mechanism (8) comprises a reinforcing rib (81) surrounding along the outer wall of the desulfurizing tank body (5), the upper side and the lower side of the reinforcing rib (81) are respectively provided with a plurality of reinforcing protrusions (82) connected with the outer wall of the desulfurizing tank body (5) into a whole, and the thickness of the top of the desulfurizing tank body (5) is greater than that of the side wall.

6. The novel stirring mechanism of the desulfurizing tower according to claim 2, characterized in that a slurry inlet and outlet (51) communicated with the internal stirring cavity (2) is arranged on the side surface of the desulfurizing tank body (5), and a stop valve (52) is arranged at the slurry inlet and outlet (51).

7. The novel stirring mechanism of the desulfurizing tower as claimed in claim 2, wherein the flow guide assembly (3) comprises a flow guide frame body (31) which is horizontally arranged, the flow guide frame body (31) is provided with a plurality of flow guide strips (32) which are centrosymmetric relative to the desulfurizing tank body (5), flow guide grooves (33) are axially formed above the flow guide strips (32), overflow grooves (34) communicated with the flow guide grooves (33) are axially arranged on two sides above the flow guide strips (32), the flow guide groove (33) on one flow guide strip (32) is communicated with the slurry outlet (11), and the ends of the other flow guide strips (32) are fixed with the inner wall of the desulfurizing tank body (5).

8. The novel stirring mechanism of the desulfurization tower as recited in claim 2, wherein the fluidization plate assembly (4) comprises a fixing plate (41) arranged at the bottom of the desulfurization tank body (5), a plurality of parallel fluidization pipes (42) are arranged above the fixing plate (41), fluidization holes (43) are uniformly distributed above the fluidization pipes (42), the fluidization pipes (42) are communicated with each other through slurry inlet pipes (44), and the slurry inlet pipes (44) are communicated with the slurry inlet (12).

9. The stirring mechanism of the desulfurizing tower is characterized in that the fluidization pump (13) is positioned between the slurry outlet (11) and the slurry inlet (12).

10. The stirring mechanism of the desulfurizing tower according to claim 1, characterized in that the fluidizing pump (13) and the fluidizing pipe (14) between the slurry outlet (11) and the slurry inlet (12) are respectively provided with an on-off valve (15).