CN213643695U - Flue crystallization cleaning device and have its desulfurizing tower water supply installation - Google Patents
Flue crystallization cleaning device and have its desulfurizing tower water supply installation Download PDFInfo
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- CN213643695U CN213643695U CN202022262719.6U CN202022262719U CN213643695U CN 213643695 U CN213643695 U CN 213643695U CN 202022262719 U CN202022262719 U CN 202022262719U CN 213643695 U CN213643695 U CN 213643695U
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Abstract
The utility model provides a flue crystallization cleaning device and have its desulfurizing tower water supply installation, wherein, flue crystallization cleaning device, include: a desulfurizing tower; the smoke exhaust pipeline is communicated with the desulfurizing tower; washing unit, washing unit include a plurality of shower nozzles, and a plurality of shower nozzles set up in the smoke exhaust pipe along smoke exhaust pipe's circumference interval, and every shower nozzle is towards smoke exhaust pipe and desulfurizing tower intercommunication department. The technical scheme of this application has solved the exhaust flue among the correlation technique effectively and has gone out the wind-force not enough, and then influences the problem of workshop normal production.
Description
Technical Field
The utility model relates to a desulfurizing tower water supply technical field particularly, relates to a flue crystallization cleaning device and have its desulfurizing tower water supply installation.
Background
In the related art, gypsum accumulation and crystallization are generated at the contact position of a boiler exhaust pipeline in a desulfurization system and an inlet of a desulfurization tower, so that the cross section of the communication position of the desulfurization tower and the exhaust pipeline is reduced, the wind outlet force of the exhaust pipeline is reduced, and the load carrying capacity of the boiler is reduced.
In response to the above, every few months, the gypsum crystals are cleaned off-line. Due to the fact that the machine is required to be stopped for cleaning, normal production of a workshop is affected.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a flue crystallization cleaning device and have its desulfurizing tower water supply installation to it is not enough to solve the discharge flue play wind-force among the correlation technique, and then influences the problem of the normal production in workshop.
In order to achieve the above object, according to an aspect of the present invention, there is provided a flue crystal cleaning apparatus, comprising: a desulfurizing tower; the smoke exhaust pipeline is communicated with the desulfurizing tower; washing unit, washing unit include a plurality of shower nozzles, and a plurality of shower nozzles set up in the smoke exhaust pipe along smoke exhaust pipe's circumference interval, and every shower nozzle is towards smoke exhaust pipe and desulfurizing tower intercommunication department.
Further, the washing device further comprises a first washing structure and a second washing structure, at least part of the first washing structure and at least part of the second washing structure are located in the smoke exhaust pipeline, the first washing structure and the second washing structure are connected with a plurality of spray heads, each spray head can form a spray area in the smoke exhaust pipeline, and the sum of the spray areas of the spray heads is larger than or equal to the cross-sectional area of the smoke exhaust pipeline.
Further, the first flushing structure comprises a first connecting pipe and the second flushing structure comprises a second connecting pipe.
Furthermore, the flushing device further comprises a first water pipe and a second water pipe, the first water pipe and the second water pipe are both located outside the smoke exhaust pipeline, the first water pipe is communicated with the first connecting pipe, and the second water pipe is communicated with the second connecting pipe.
Furthermore, the flue crystallization cleaning device also comprises a first valve and a second valve, wherein the first valve is arranged at the communication position of the first water pipe and the first connecting pipe, and the second valve is arranged at the communication position of the second water pipe and the second connecting pipe.
Furthermore, a first through hole and a second through hole are formed in the side wall of the smoke exhaust pipeline, one end of the first connecting pipe penetrates out of the smoke exhaust pipeline through the first through hole, and one end of the second connecting pipe penetrates out of the smoke exhaust pipeline through the second through hole.
Further, the first connecting pipe and/or the second connecting pipe are/is a bent pipe.
Furthermore, the bending pipe is L-shaped and made of carbon steel.
Furthermore, a support is arranged inside the smoke exhaust pipeline, and the flushing device is connected with the support.
According to the utility model discloses an on the other hand provides a desulfurizing tower water supply installation, include: a water supply line of the desulfurizing tower; flue crystallization cleaning device, flue crystallization cleaning device and desulfurizing tower water supply pipe intercommunication, flue crystallization cleaning device are foretell flue crystallization cleaning device.
Use the technical scheme of the utility model, exhaust pipe and desulfurizing tower intercommunication, inside flue gas flowed into the desulfurizing tower from bottom to top from exhaust pipe and desulfurizing tower kneck. The top of the desulfurizing tower is sprayed with slurry downwards, and gypsum crystals are formed at the mouth of the smoke exhaust pipeline due to the calcium sulfate dihydrate (gypsum) contained in the slurry. The long-time gypsum crystallization of operation can slowly accumulate, causes the cross section of exhaust pipe to reduce, in order to avoid the formation of gypsum crystallization, the technical scheme of this application is provided with washing unit in exhaust pipe and desulfurizing tower's intercommunication department, is provided with a plurality of shower nozzles on the washing unit, and a plurality of shower nozzles set up along exhaust pipe's circumference interval. Make the shower nozzle can wash the area of exhaust pipe great like this, can clear up the gypsum crystallization effectively like this, avoid the gypsum crystallization to pile up in the intercommunication department of exhaust pipe and desulfurizing tower. Therefore, the technical scheme of the application effectively solves the problem that the wind outlet force of the smoke exhaust pipeline in the related technology is insufficient, and the normal production of a workshop is influenced.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 shows a schematic structural diagram of an embodiment of a flue crystal cleaning apparatus according to the present invention;
FIG. 2 shows a schematic cross-sectional view of the flue gas duct and the desulfurization tower of the flue crystallization cleaning apparatus of FIG. 1; and
FIG. 3 shows a schematic cross-sectional view of the flue gas duct of the flue crystallization cleaning apparatus of FIG. 1.
Wherein the figures include the following reference numerals:
10. a desulfurizing tower; 20. a smoke exhaust duct; 30. a flushing device; 31. a spray head; 32. a first flushing structure; 321. a first connecting pipe; 33. a second flushing structure; 331. a second connecting pipe; 34. a first water pipe; 35. a second water pipe; 40. a first valve; 50. a second valve; 60. a water supply pipeline of the desulfurizing tower.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the related technology, the inlet temperature of the smoke exhaust pipeline is between 120 ℃ and 150 ℃, the smoke flows into the inside of the desulfurizing tower from bottom to top from the communication part of the smoke exhaust pipeline and the desulfurizing tower, and the desulfurizing tower is sprayed in the process of spraying slurry downwards because the slurry containsThere is calcium sulfate dihydrate, i.e., gypsum, forming gypsum crystals at the flue opening. The gypsum crystals can be slowly accumulated after long-time operation, the cross section of the outlet of the smoke exhaust pipeline is reduced, the width of the outlet of the normal smoke exhaust pipeline is 2m, the height of the outlet of the normal smoke exhaust pipeline is 1.8m, the contact surface of the crystallized gypsum is reduced to be only 0.5m multiplied by 0.5m, the air outlet capacity of the smoke exhaust pipeline is seriously hindered, the load capacity of a boiler is reduced, and the normal production of a workshop is influenced. And the crystals in the smoke exhaust pipeline are cleaned, and the operation can be carried out only under the condition of furnace shutdown (the furnace shutdown for more than 4 hours is needed for cleaning the crystals of the desulfurized gypsum every time). And has potential safety hazard when clearance, and exhaust pipe and desulfurizing tower intercommunication department have 7.3m to the desulfurizing tower bottom, and when blowing out, the operation personnel will tie the safety belt at every turn and clear up the gypsum crystallization to exhaust pipe mouth, contain SO in the exhaust pipe2When the odor is pungent and the oxygen concentration is about 12%, the qualified oxygen concentration is more than 20% and the operation can be carried out. And gypsum accumulation crystallization is arranged at the communication position of the smoke exhaust channel and the desulfurizing tower, so that the cross section of the smoke exhaust channel is reduced, the air outlet capacity of the smoke exhaust channel is insufficient, the load capacity of a boiler is reduced, and the normal production of a workshop is influenced. In order to avoid affecting the normal production of the plant, the gypsum crystal is cleaned off the machine at least every three months. The above operation affects the production efficiency. In order to solve the problems, after research, the inventor manufactures a flushing device, and flushes gypsum crystals at the communication part of the smoke exhaust channel and the desulfurizing tower every day, so that the problem of gypsum accumulation and crystallization at the communication part of the smoke exhaust channel and the desulfurizing tower is thoroughly solved.
As shown in fig. 1 and 2, in the present embodiment, the flue crystallization cleaning apparatus includes: desulfurizing tower 10, exhaust pipe 20, washing unit 30. The smoke exhaust duct 20 communicates with the desulfurization tower 10. The washing device 30 comprises a plurality of spray nozzles 31, the plurality of spray nozzles 31 are arranged in the smoke exhaust duct 20 at intervals along the circumferential direction of the smoke exhaust duct 20, and each spray nozzle 31 is communicated with the desulfurization tower 10 towards the smoke exhaust duct 20.
By applying the technical scheme of the embodiment, the smoke exhaust pipeline 20 is communicated with the desulfurization tower 10, and the flue gas flows into the desulfurization tower 10 from bottom to top from the interface of the smoke exhaust pipeline 20 and the desulfurization tower 10. The slurry is sprayed downwards from the top of the desulfurization tower 10, and gypsum crystals are formed at the mouth of the flue gas duct 20 due to the calcium sulfate dihydrate (gypsum) contained in the slurry. The long-time gypsum crystallization of operation can slowly accumulate, causes the cross section of exhaust pipe 20 to reduce, in order to avoid the formation of gypsum crystallization, the technical scheme of this embodiment is provided with washing unit 30 in exhaust pipe 20 and desulfurizing tower 10's intercommunication department, is provided with a plurality of shower nozzles 31 on washing unit 30, and a plurality of shower nozzles 31 set up along exhaust pipe 20's circumference interval. Make shower nozzle 31 can wash the area of exhaust pipe 20 great like this, can clear up the gypsum crystallization effectively like this, avoid the gypsum crystallization to pile up in exhaust pipe 20 and desulfurizing tower 10's intercommunication department. Therefore, the technical scheme of the embodiment effectively solves the problem that the normal production of a workshop is influenced due to insufficient wind outlet force of the smoke exhaust pipeline in the related technology.
In particular, in this embodiment the smoke exhaust duct 20 has a rectangular cross-section, but of course in an embodiment not shown in the figures the smoke exhaust duct has a circular cross-section, so that the flushing device fits into a circular smoke exhaust duct. The first and second connection pipes of the flushing device are likewise circular, which likewise enables the spray area of the spray head to completely cover the cross section of the smoke exhaust pipe.
It should be noted that the direction of the arrow in fig. 1 is the moving direction of the smoke.
In this example, the slurry of dissolved gypsum was pumped through a gypsum dewatering system; the water spraying time of the spray head 31 is adjusted according to the daily process water feeding condition of the desulfurizing tower. Specifically, the water spraying time was adjusted to 1.5 hours, and water was sprayed 1 time per day. Of course, the water spraying time is 1 hour to 1.5 hours, and the water spraying times is 1 time to 3 times.
As shown in fig. 1 to 3, in this embodiment, the flushing device 30 further includes a first flushing structure 32 and a second flushing structure 33, at least a portion of the first flushing structure 32 and at least a portion of the second flushing structure 33 are located in the smoke exhaust duct 20, a plurality of nozzles 31 are connected to each of the first flushing structure 32 and the second flushing structure 33, each of the nozzles 31 can form a spray area in the smoke exhaust duct 20, and a sum of the plurality of spray areas of the plurality of nozzles 31 is greater than or equal to a cross-sectional area of the smoke exhaust duct 20. The sum of the plurality of injection areas is larger than the area of the section of the smoke exhaust pipeline 20, so that the flushing effect of flushing gypsum crystals can be effectively ensured, and the gypsum crystals are prevented from being gathered at the communication part of the smoke exhaust pipeline 20 and the desulfurizing tower 10.
As shown in fig. 1 and 3, in the present embodiment, the first flushing structure 32 includes a first connecting pipe 321, and the second flushing structure 33 includes a second connecting pipe 331. The first connecting pipe 321 and the second connecting pipe 331 are water pipes, and the first connecting pipe 321 and the second connecting pipe 331 are simple in structure, so that water can be effectively moved to the spray head 31, and further the crystals in the smoke exhaust pipeline 20 can be cleaned.
As shown in fig. 1, in the present embodiment, the flushing device 30 further includes a first water pipe 34 and a second water pipe 35, the first water pipe 34 and the second water pipe 35 are both located outside the smoke exhaust duct 20, the first water pipe 34 is communicated with the first connecting pipe 321, and the second water pipe 35 is communicated with the second connecting pipe 331. The first water pipe 34 and the second water pipe 35 are connected to an external water tower, so that water in the water tower can flow to the spray head 31 through the first water pipe 34, the second water pipe 35, the first connection pipe 321 and the second connection pipe 331.
As shown in fig. 1, in the present embodiment, the flue crystallization cleaning apparatus further includes a first valve 40 and a second valve 50, the first valve 40 is disposed at a communication position of the first water pipe 34 and the first connection pipe 321, and the second valve 50 is disposed at a communication position of the second water pipe 35 and the second connection pipe 331. The first valve 40 and the second valve 50 can control the opening and closing of the shower head 31.
As shown in fig. 1, in the present embodiment, a first through hole and a second through hole are formed in a side wall of the smoke exhaust duct 20, one end of the first connecting pipe 321 passes through the smoke exhaust duct 20 through the first through hole, and one end of the second connecting pipe 331 passes through the smoke exhaust duct 20 through the second through hole. The simple structure of first through-hole and second through-hole is convenient for set up, and first through-hole and second through-hole are located exhaust pipe 20's lateral wall to first through-hole and second through-hole correspond the setting, can guarantee exhaust pipe 20's structural strength like this, avoid exhaust pipe 20 to set up two through-holes in a certain region and lead to this regional structural strength variation, make it easily bent.
As shown in fig. 1 and 3, in the present embodiment, the first and second connection pipes 321 and 331 are bent pipes. The bent pipe is arranged to be matched with the section shape of the smoke exhaust pipeline. Specifically, in the present embodiment, the cross-sectional shape of the smoke exhaust duct 20 is rectangular, and in order to enable the spray area of the spray heads 31 to cover the cross-sectional area of the entire smoke exhaust duct 20, the first and second connection pipes 321 and 331 are provided as bent pipes, enabling the spray heads 31 to be arranged along the circumferential direction of the smoke exhaust duct 20. This can increase the ejection area.
In an embodiment not shown in the figures, the first connecting tube is a bent tube or the second connecting tube is a bent tube.
As shown in fig. 1 and 3, in the present embodiment, the bent pipe is L-shaped, and the bent pipe is made of carbon steel. The material structure of the carbon steel has good strength. Is not easy to be broken and damaged.
In the embodiment not shown in the figures, the shape of the bending tube may also be W-shaped or V-shaped.
As shown in fig. 1 and 2, in the present embodiment, a support is provided inside the smoke exhaust duct 20, and the washing device 30 is connected to the support. The arrangement of the bracket is effective to provide a fixed position for the flushing device 30. Thereby stabilizing the structure of the flushing device 30. The washing device 30 is welded to the bracket. Of course, the flushing device can also be connected to the holder by means of fasteners. The support is welded and fixed inside the smoke exhaust pipeline. The arrangement of the support can also provide safety guarantee for maintenance workers.
As shown in fig. 1, in the present embodiment, the desulfurization tower water supply device includes: a water supply pipeline 60 of the desulfurizing tower and a flue crystallization cleaning device. The flue crystallization cleaning device is communicated with a water supply pipeline 60 of the desulfurizing tower, and the flue crystallization cleaning device is the flue crystallization cleaning device. The flue crystallization cleaning device can effectively clean gypsum crystals at the communicated part of the smoke exhaust pipeline and the desulfurizing tower. Therefore, the water supply device of the desulfurizing tower with the flue crystallization cleaning device also has the advantages. The desulfurizing tower water supply line 60 can supply water to the desulfurizing tower.
The technical scheme of the utility model pile up the department at the gypsum and install washing unit 30 additional, through survey and drawing many times, draw the drawing and process washing unit. The spray head 31 is welded on the first connecting pipe 321 and the second connecting pipe 331 by welding, and the first water pipe 34 and the second water pipe 35 are connected to a water replenishing pipeline before the desulfurization tower process water system enters the desulfurization tower. When water is supplemented to the desulfurizing tower every time, the spray head 31 washes the crystallized part of the gypsum. The problem of gypsum crystallization at the communicated part of the smoke exhaust pipeline 20 and the desulfurizing tower 10 is thoroughly solved, and the problem of shutdown of the boiler due to insufficient output of a draught fan is reduced. The utility model discloses fundamentally has solved boiler induced air and has exerted force not enough, the more difficult problem of clearance, has reduced boiler and has pressed the problem that the shut down time, artifical clearance intensity of labour are big, has reduced manufacturing cost, has improved economic benefits, has alleviateed intensity of labour, has realized the continuous and stable operation of desulfurizing tower system.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A flue crystallization cleaning device, comprising:
a desulfurizing tower (10);
the smoke exhaust pipeline (20), the smoke exhaust pipeline (20) is communicated with the desulfurizing tower (10);
washing unit (30), washing unit (30) include a plurality of shower nozzles (31), and is a plurality of shower nozzle (31) are followed the circumference interval ground of exhaust pipe (20) sets up in exhaust pipe (20), every shower nozzle (31) orientation exhaust pipe (20) with desulfurizing tower (10) intercommunication department.
2. The flue crystallization cleaning device according to claim 1, wherein the flushing device (30) further comprises a first flushing structure (32) and a second flushing structure (33), at least a part of the first flushing structure (32) and at least a part of the second flushing structure (33) are located in the smoke exhaust duct (20), the first flushing structure (32) and the second flushing structure (33) are connected with a plurality of the nozzles (31), each of the nozzles (31) can form a spray area in the smoke exhaust duct (20), and the sum of the spray areas of the plurality of the nozzles (31) is greater than or equal to the cross-sectional area of the smoke exhaust duct (20).
3. The flue crystallization cleaning apparatus according to claim 2, wherein the first flushing structure (32) comprises a first connecting pipe (321) and the second flushing structure (33) comprises a second connecting pipe (331).
4. The flue crystallization cleaning device according to claim 3, wherein the flushing device (30) further comprises a first water pipe (34) and a second water pipe (35), the first water pipe (34) and the second water pipe (35) are both located outside the smoke exhaust duct (20), the first water pipe (34) is communicated with the first connecting pipe (321), and the second water pipe (35) is communicated with the second connecting pipe (331).
5. The flue crystal cleaning apparatus of claim 4, further comprising a first valve (40) and a second valve (50), wherein the first valve (40) is disposed at a communication position of the first water pipe (34) and the first connection pipe (321), and the second valve (50) is disposed at a communication position of the second water pipe (35) and the second connection pipe (331).
6. The flue crystallization cleaning device according to claim 5, wherein a first through hole and a second through hole are arranged on the side wall of the smoke exhaust duct (20), one end of the first connecting pipe (321) penetrates out of the smoke exhaust duct (20) through the first through hole, and one end of the second connecting pipe (331) penetrates out of the smoke exhaust duct (20) through the second through hole.
7. The flue crystallization cleaning apparatus according to claim 3, wherein the first connecting pipe (321) and/or the second connecting pipe (331) is a bent pipe.
8. The flue crystallization cleaning device as claimed in claim 7, wherein the bent pipe is L-shaped, and the bent pipe is made of carbon steel.
9. The flue crystallization cleaning device according to claim 1, characterized in that a support is arranged inside the smoke exhaust duct (20), and the washing device (30) is connected with the support.
10. A desulfurizing tower water supply apparatus comprising:
a water supply line (60) of the desulfurizing tower;
a flue crystal cleaning apparatus, the flue crystal cleaning apparatus being in communication with the water supply line (60) of the desulfurization tower, characterized in that the flue crystal cleaning apparatus is the flue crystal cleaning apparatus of any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022262719.6U CN213643695U (en) | 2020-10-12 | 2020-10-12 | Flue crystallization cleaning device and have its desulfurizing tower water supply installation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022262719.6U CN213643695U (en) | 2020-10-12 | 2020-10-12 | Flue crystallization cleaning device and have its desulfurizing tower water supply installation |
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| CN213643695U true CN213643695U (en) | 2021-07-09 |
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Effective date of registration: 20230419 Address after: No. 4199, Chongqing Road, economic cooperation zone, Yining City, Yili Kazak Autonomous Prefecture, Xinjiang Uygur Autonomous Region 835000 Patentee after: ANGEL YEAST YILI Co.,Ltd. Patentee after: Keke Dala Angel Yeast Co.,Ltd. Address before: No. 4199, Chongqing Road, economic cooperation zone, Yining City, Yili Kazak Autonomous Prefecture, Xinjiang Uygur Autonomous Region 835000 Patentee before: ANGEL YEAST YILI Co.,Ltd. |