CN219632141U

CN219632141U - Dry-wet interface flushing mechanism for flue of desulfurizing absorption tower

Info

Publication number: CN219632141U
Application number: CN202321250611.2U
Authority: CN
Inventors: 张振华; 张海波; 甘鹏; 翟方霖
Original assignee: Binzhou Green Energy Thermal Power Co ltd; Shandong Hongqiao New Material Co Ltd
Current assignee: Binzhou Green Energy Thermal Power Co ltd; Shandong Hongqiao New Material Co Ltd
Priority date: 2023-05-23
Filing date: 2023-05-23
Publication date: 2023-09-05
Anticipated expiration: 2033-05-23

Abstract

The utility model discloses a flue dry-wet interface flushing mechanism of a desulfurization absorption tower, which comprises a flue, an absorption tower and a flushing mechanism assembled at the joint of the flue and the absorption tower, wherein the flue is provided with a ninety-degree folding angle which is communicated with the side wall of the lower end of the absorption tower, the flushing mechanism comprises a hollow circular ring vertically arranged in the flue, and two pairs of high-pressure spray heads are equidistantly arranged at the front end of the hollow circular ring; the other end of the hollow circular ring is connected with a supporting frame, the tail end of the supporting frame is integrally connected with a hydraulic rod, a hydraulic cylinder is sleeved outside the hydraulic rod, and the high-pressure spray head comprises a through pipe communicated with the hollow circular ring. According to the utility model, the flushing mechanism is added to the dry-wet interface area of the desulfurizing tower, so that the flue in the dry-wet interface area is prevented from being blocked, the current of the induced draft fan is reduced, the production cost is reduced, the inner diameter of the flue is covered by using four spray heads, the hollow circular ring is connected with the fire tube of the flue of the desulfurizing absorption tower through the branch tube, and the fire tube is used for supplying water for the flushing mechanism.

Description

Dry-wet interface flushing mechanism for flue of desulfurizing absorption tower

Technical Field

The utility model relates to the technical field of flue flushing, in particular to a flue dry-wet interface flushing mechanism of a desulfurization absorption tower.

Background

In order to protect the environment and reduce air pollution, most of thermoelectric enterprises adopt wet flue gas desulfurization equipment to treat flue gas and then discharge the flue gas into the atmosphere, and a desulfurization absorption tower which is commonly adopted at present is generally that an absorption tower body and a chimney are separately discharged, and the absorption tower and the chimney are connected through a flue and other accessories.

The inlet flue area of the desulfurization absorption tower is affected by the dry and wet special environment of the absorption tower, so that smoke dust is gradually accumulated to form firm hardening, ventilation of the flue is hindered, the rising of the smoke pressure is caused, the power consumption of a draught fan is affected, the loading capacity of a unit is affected, the rising of the pressure is caused, and part of overhaul cost is increased during overhaul.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

The present utility model has been made in view of the above or the above-mentioned reasons, and has been made in view of the above-mentioned reasons, and the present utility model is based on the above-mentioned that the flue area of the inlet flue of the desulfurization absorber is affected by the dry and wet special environment of the absorber, so that the smoke is gradually accumulated to form a firm hardening, and the ventilation of the flue is hindered.

In order to solve the technical problems, the utility model provides the following technical scheme: the flue dry-wet interface flushing mechanism of the desulfurization absorption tower comprises a flue, an absorption tower and a flushing mechanism assembled at the joint of the flue and the absorption tower, wherein the flue is provided with a ninety-degree folding angle which is communicated with the side wall at the lower end of the absorption tower,

the flushing mechanism comprises a hollow circular ring vertically arranged in the flue, and two pairs of high-pressure spray heads are equidistantly arranged at the front end of the hollow circular ring;

the other end of the hollow circular ring is connected with a support, the tail end of the support is integrally connected with a hydraulic rod, and a hydraulic cylinder is sleeved outside the hydraulic rod.

As a preferable scheme of the flue dry-wet interface flushing mechanism of the desulfurization absorption tower, the utility model comprises the following steps: the high-pressure spray head comprises a through pipe communicated with the hollow circular ring, a spray nozzle is arranged on the upper surface of the middle part of the through pipe and communicated with the through pipe, and a plug is connected with the end part of the through pipe in a threaded manner.

As a preferable scheme of the flue dry-wet interface flushing mechanism of the desulfurization absorption tower, the utility model comprises the following steps: the spray hole of the nozzle is provided with a spray plate, and the spray plate is hollow and communicated with the inside of the nozzle.

As a preferable scheme of the flue dry-wet interface flushing mechanism of the desulfurization absorption tower, the utility model comprises the following steps: the spray plate is of an arc plate structure as a whole, the spray plates connected to the two pairs of nozzles form a circular ring structure together, and a plurality of water outlets are formed in the outer surface of the spray plate at equal intervals.

As a preferable scheme of the flue dry-wet interface flushing mechanism of the desulfurization absorption tower, the utility model comprises the following steps: the hydraulic cylinder penetrates into the flue from the upper surface of the flue and is bent at ninety degrees, the hydraulic cylinder forms a vertical section and a horizontal section through bending, and the hydraulic rod is sleeved with the horizontal section of the hydraulic cylinder.

As a preferable scheme of the flue dry-wet interface flushing mechanism of the desulfurization absorption tower, the utility model comprises the following steps: the flue of the desulfurization absorption tower is provided with a fire tube, a branch tube is led out of the fire tube, and the branch tube penetrates through the lower end of the flue and is communicated with the side face of the hollow circular ring.

As a preferable scheme of the flue dry-wet interface flushing mechanism of the desulfurization absorption tower, the utility model comprises the following steps: the inner wall of the flue is symmetrically provided with rails, and the upper end and the lower end of the hollow circular ring of the flushing mechanism are provided with sliding blocks which are in sliding connection with the rails.

The flue dry-wet interface flushing mechanism of the desulfurization absorption tower has the beneficial effects that:

(1) According to the utility model, the flushing mechanism is added to the dry-wet interface area of the desulfurizing tower to regularly flush, so that the flue blockage in the dry-wet interface area is avoided, the current of the induced draft fan is reduced, and the production cost is reduced.

(2) The flushing mechanism consists of a hollow circular ring and four spray heads, the four spray heads are distributed on the hollow circular ring at equal intervals, the flushing area covered by each spray head is well one fourth of the inner diameter of the flue, the inner diameter of the flue is covered by the four spray heads, the hollow circular ring is connected with a fire tube of the flue of the desulfurization absorption tower through a branch tube, and water is supplied to the flushing mechanism through the fire tube.

(3) In order to better enable flushing water to flush the flue, the utility model is provided with the hollow arc-shaped spray plates on the spray head, and the four spray plates just form a circular ring shape to cover the inner diameter of the flue, so that flushing is more uniform, and flushing dead angles caused by water column aggregation during flushing by using the spray head only are prevented.

(4) Further, in order to enable the flushing mechanism to flush more areas of the flue, the utility model is provided with the hydraulic cylinder and the hydraulic rod which are driven by liquid, wherein the hydraulic rod is connected with the hollow circular ring on the flushing mechanism, the high-pressure liquid is injected into the hydraulic cylinder, and the hydraulic rod is pushed to extend out of the hydraulic cylinder by the liquid, so that the flushing mechanism is pushed to move on the track arranged on the inner wall of the flue, the flushing mechanism always performs flushing in the process, and the flushing mechanism is driven to move forwards by the hydraulic mechanism, so that the flushing area is enlarged, and the cleaning is more comprehensive and thorough.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

fig. 1 is an assembly view of an absorption tower and a flushing mechanism.

Fig. 2 is a view showing the whole structure of the flushing mechanism.

FIG. 3 is a block diagram of a spray head.

The correspondence between the reference numerals and the component names in the drawings is as follows: 100. a flue; 101. a flushing mechanism; 101a, a hollow circular ring; 101a-1, high pressure nozzle; 101a-1a, a through pipe; 101a-1a-1, a nozzle; 101a-1a-2, plugs; 101a-2, a shower plate; 101a-2a, water outlet holes; 102. a track; 103. a branch pipe; 104. a hydraulic cylinder; 104a, hydraulic rods; 104a-1, a bracket; 200. an absorption tower; 300. fire tube.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Referring to fig. 1 to 3, in the embodiment 1 of the present utility model, a dry-wet interface flushing mechanism for a flue of a desulfurization absorption tower is provided, which can periodically perform flushing, prevent clogging, prevent current rise of a draught fan, save electricity consumption, and increase stable operation of a system, and specifically, includes a flue 100 for communicating an absorption tower with a chimney, an absorption tower 200 for purification, and a flushing mechanism 101 for flushing the flue 100, which is installed at the junction of the flue 100 and the absorption tower 200, wherein the flue 100 is provided with a ninety degree angle and is communicated with a side wall at the lower end of the absorption tower 200,

the flushing mechanism 101 comprises a hollow circular ring 101a vertically arranged in the flue 100 and used for filling flushing water into the flue 100, two pairs of high-pressure nozzles 101a-1 for releasing the flushing water are equidistantly arranged at the front end of the hollow circular ring 101a, the hollow circular ring 101a is arranged in the flue 100 and used for injecting water, the water is uniformly dispersed into the high-pressure nozzles 101a-1 through the hollow circular ring 101a, and then the high-pressure nozzles 101a-1 are used for releasing the water to flush the interior of the flue 100;

the high-pressure spray head 101a-1 comprises a through pipe 101a-1a communicated with the hollow circular ring 101a, wherein a nozzle 101a-1a-1 is arranged on the upper surface of the middle part of the through pipe 101a-1a and communicated with the through pipe 101a-1a, and a plug 101a-1a-2 is connected with the end part of the through pipe 101a-1a in a threaded manner; a shower plate 101a-2 for uniformly dispersing water flow so that a flushing area is enlarged is provided at the spray hole of the nozzle 101a-1a-1, and the inside of the shower plate 101a-2 is hollow and communicates with the inside of the nozzle 101a-1 a-1.

The whole spray plate 101a-2 is of an arc plate structure and is more suitable for a cylindrical structure of the flue 100, blocking is avoided, the spray plates 101a-2 connected to the two pairs of nozzles 101a-1a-1 form a circular ring structure together, a plurality of water outlet holes 101a-2a for spraying flushing water are formed in the outer surface of the spray plate 101a-2 at equal intervals, the four spray plates 101a-2 just form a circular ring shape, the inner diameter of the flue 100 is covered, flushing is more uniform, and flushing dead angles caused by water column aggregation during flushing by only using the high-pressure spray heads 101a-1 are prevented; the flue of the desulfurization absorption tower is provided with a fire tube 300, a branch pipe 103 is led out from the fire tube 300, the branch pipe 103 penetrates through the lower end of the flue 100 and is communicated with the side face of the hollow circular ring 101a, the fire tube 300 is a fire-fighting structure which is necessary to be equipped for the flue of the desulfurization absorption tower, and water is guided from the fire tube 300 through the branch pipe 103 and enters the flushing mechanism 101 to become flushing water.

Referring to fig. 1-3, an embodiment 2 of the present utility model is provided that enables the flushing mechanism 101 to move within the stack 100, thereby expanding the flushing area.

The other end of the hollow circular ring 101a is connected with a support frame 104a-1, the tail end of the support frame 104a-1 is integrally connected with a hydraulic rod 104a, a hydraulic cylinder 104 is sleeved outside the hydraulic rod 104a, a hydraulic mechanism is formed by the hydraulic cylinder 104 and the hydraulic rod 104a, and when the hydraulic mechanism moves, force is transmitted to the support frame 104a-1 so as to push the hollow circular ring 101a to move in the flue 100; the hydraulic cylinder 104 penetrates into the flue 100 from the upper surface of the flue 100 and bends ninety degrees, and the design has the functions of: when the hydraulic rod 104a performs telescopic movement in the hydraulic cylinder 104, the hydraulic cylinder 104 is kept motionless, so that the flue 100 is sealed, the hydraulic cylinder 104 is bent to form a vertical section and a horizontal section, the hydraulic rod 104a is sleeved with the horizontal section of the hydraulic cylinder 104, and the hydraulic mechanism can be conveniently connected with the flushing mechanism 101; the inner wall of the flue 100 is symmetrically provided with rails 102, and the upper end and the lower end of a hollow circular ring 101a of the flushing mechanism 101 are provided with sliding blocks which are in sliding connection with the rails 102, so that the flushing mechanism 101 can move in the flue 100, a hydraulic rod 104a is pushed to extend out of the hydraulic cylinder 104 by injecting high-pressure liquid into the hydraulic cylinder 104, so that the flushing mechanism 101 is pushed to move on the rails 102 arranged on the inner wall of the flue 100, the flushing mechanism 101 is always flushed in the process, and the flushing mechanism 101 is driven to move forwards through the hydraulic mechanism, so that the flushing area is enlarged, and the cleaning is more comprehensive and thorough.

It is important to note that the construction and arrangement of the utility model as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present utility model. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present utility models. Therefore, the utility model is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Furthermore, in order to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the utility model, or those not associated with practicing the utility model).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims

1. The utility model provides a wet interface washing mechanism futilely of desulfurization absorption tower flue, includes flue (100), absorption tower (200) and assembles washing mechanism (101) in flue (100) and absorption tower (200) handing-over department, be equipped with ninety degrees dog-ear and absorption tower (200) lower extreme lateral wall intercommunication, its characterized in that on flue (100):

the flushing mechanism (101) comprises a hollow circular ring (101 a) vertically arranged in the flue (100), and two pairs of high-pressure spray heads (101 a-1) are equidistantly arranged at the front end of the hollow circular ring (101 a);

the other end of the hollow circular ring (101 a) is connected with a support frame (104 a-1), the tail end of the support frame (104 a-1) is integrally connected with a hydraulic rod (104 a), and the hydraulic rod (104 a) is sleeved with a hydraulic cylinder (104).

2. The dry-wet interface flushing mechanism of a flue of a desulfurization absorption tower according to claim 1, wherein: the high-pressure spray head (101 a-1) comprises a through pipe (101 a-1 a) communicated with the hollow circular ring (101 a), a nozzle (101 a-1 a-1) is arranged on the upper surface of the middle part of the through pipe (101 a-1 a) and is communicated with the through pipe (101 a-1 a), and a plug (101 a-1 a-2) is connected to the end part of the through pipe (101 a-1 a) in a threaded manner.

3. The wet and dry interface flushing mechanism for flue of desulfurization absorption tower according to claim 2, wherein: a spray plate (101 a-2) is arranged at the spray hole of the nozzle (101 a-1 a-1), and the spray plate (101 a-2) is hollow and communicated with the interior of the nozzle (101 a-1 a-1).

4. The wet and dry interface flushing mechanism for flue of desulfurizing absorption tower according to claim 3, wherein: the spray plate (101 a-2) is of an arc plate structure as a whole, the spray plates (101 a-2) connected to the two pairs of nozzles (101 a-1 a-1) form a circular ring structure together, and a plurality of water outlets (101 a-2 a) are formed in the outer surface of the spray plates (101 a-2) at equal intervals.

5. The dry-wet interface flushing mechanism of a flue of a desulfurization absorption tower according to claim 1, wherein: the hydraulic cylinder (104) penetrates into the flue (100) from the upper surface of the flue (100) and bends at ninety degrees, the hydraulic cylinder (104) forms a vertical section and a horizontal section through bending, and the hydraulic rod (104 a) is sleeved with the horizontal section of the hydraulic cylinder (104).

6. The dry-wet interface flushing mechanism of a flue of a desulfurization absorption tower according to claim 1, wherein: the flue of the desulfurization absorption tower is provided with a fire tube (300), a branch tube (103) is led out from the fire tube (300), and the branch tube (103) penetrates through the lower end of the flue (100) and is communicated with the side face of the hollow circular ring (101 a).

7. The dry-wet interface flushing mechanism for flue of desulfurization absorption tower according to claim 4, wherein: rails (102) are symmetrically arranged on the inner wall of the flue (100), and sliding blocks are arranged at the upper end and the lower end of a hollow circular ring (101 a) of the flushing mechanism (101) and are in sliding connection with the rails (102).