CN212440738U - High-strength air flow uniform distribution plate and desulfurizing tower - Google Patents
High-strength air flow uniform distribution plate and desulfurizing tower Download PDFInfo
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- CN212440738U CN212440738U CN202021526887.5U CN202021526887U CN212440738U CN 212440738 U CN212440738 U CN 212440738U CN 202021526887 U CN202021526887 U CN 202021526887U CN 212440738 U CN212440738 U CN 212440738U
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Abstract
The utility model provides a high strength air current equipartition board and desulfurizing tower, include: the air-permeable glass comprises a substrate, wherein a plurality of air holes are formed in the substrate; and the reinforcing structure is arranged on the substrate and protrudes outwards relative to the substrate. Outside bellied additional strengthening can improve air current equipartition board self intensity on the one hand, can also increase air current equipartition board surface area, increases the trompil area, improves the efficiency that the flue gas passes through. The gas flow uniform distribution plate is generally arranged below the wet dust removal mechanism, and the flow equalization treatment is carried out on the flue gas before the wet dust removal is carried out on the flue gas. The air flow uniform distribution plate with the reinforcing structure is relatively outwards convex, so that the spraying area is increased, more spraying liquid is attached to the air flow uniform distribution plate, the contact area and the contact efficiency of the spraying liquid and the flue gas are improved, and the wet dust removal effect is enhanced.
Description
Technical Field
The utility model relates to a flue gas desulfurization denitration equipment technical field, concretely relates to high strength air current equipartition board and desulfurizing tower.
Background
The thermal power plant can produce more flue gas in the operation process, and the flue gas contains pollutants such as sulphur, so has strict emission standard to the fume emission of thermal power plant. Along with environmental protection consciousness is strengthened gradually, the emission requirement of thermal power plant is also higher and higher, and the desulfurizing tower is one of thermal power plant's flue gas treatment equipment, and along with the innovation of technique needs constantly to reform transform the desulfurizing tower, make the flue gas through the desulfurizing tower can be carried out innocent treatment by more efficient.
The gas flow uniform distribution board is the important structure in the desulfurizing tower, has the bleeder vent on the gas flow uniform distribution board, and the flue gas is in the desulfurizing tower from the in-process of supreme motion down, through the even share of several strands of bleeder vent on the gas flow uniform distribution board to make the flue gas distribution in the desulfurizing tower more even, the reaction degree is more even, change in improvement desulfurization efficiency when carrying out desulfurization reaction.
The desulfurization tower adopting wet desulfurization is usually internally provided with a spray structure, and an air flow uniform distribution plate is usually arranged below the spray structure. In the spraying process, the spray falls on the airflow distribution plate, and the airflow distribution plate needs to have certain strength. The existing gas flow distribution plate is usually welded on a base steel plate. And because the internal diameter of desulfurizing tower is great, need first splice basic steel sheet in the desulfurizing tower inside, then carry out welding operation to the air current equipartition board in the desulfurizing tower.
However, smoke is generally adhered to the inner wall of the desulfurization tower, and high-temperature spatters generated in the welding process are likely to cause fire.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming among the prior art tray structure and need cause the defect of conflagration easily in desulfurizing tower internal weld installation to a novel tray of high strength and desulfurizing tower are provided.
A high intensity gas flow distribution plate comprising:
the air-permeable glass comprises a substrate, wherein a plurality of air holes are formed in the substrate;
and the reinforcing structure is arranged on the substrate and protrudes outwards relative to the substrate.
The reinforcing structure includes:
the first bending part is connected with the substrate, and an included angle alpha between the first bending part and the substrate is an acute angle;
the second bending part is arranged at one end, far away from the substrate, of the first bending part.
The first bending part is provided with two parts, and the two parts are symmetrically arranged at two sides of the second bending part.
The second bending part is arranged in parallel to the substrate.
The reinforcing structure and the substrate are integrally formed.
A desulfurization tower comprising:
the wet dust removal mechanism is correspondingly arranged in a channel for flue gas to flow in the desulfurizing tower;
the high-strength air flow uniform distribution plate is arranged below the wet dust removal mechanism.
The desulfurizing tower still includes:
and the variable-diameter section is positioned below the wet dust removal mechanism, and the cross-sectional area of the flue gas flowing channel is gradually increased in the range of the variable-diameter section along the direction close to the wet dust removal mechanism.
The size of the air holes is gradually increased from the central part of the channel where the flue gas flows to the inner wall direction of the desulfurizing tower.
The high-strength air flow uniform distribution plates are at least two and are distributed in the diameter-variable section along the vertical direction.
The adjacent air flow uniform distribution plates are parallel to each other.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a high strength air current equipartition board, include: the air-permeable glass comprises a substrate, wherein a plurality of air holes are formed in the substrate; and the reinforcing structure is arranged on the substrate and protrudes outwards relative to the substrate.
Outside bellied additional strengthening can improve air current equipartition board self intensity on the one hand, can also increase air current equipartition board surface area, increases the trompil area, improves the efficiency that the flue gas passes through. The gas flow uniform distribution plate is generally arranged below the wet dust removal mechanism, and the flow equalization treatment is carried out on the flue gas before the wet dust removal is carried out on the flue gas. The air flow uniform distribution plate with the reinforcing structure is relatively outwards convex, so that the spraying area is increased, more spraying liquid is attached to the air flow uniform distribution plate, the contact area and the contact efficiency of the spraying liquid and the flue gas are improved, and the wet dust removal effect is enhanced.
2. The utility model provides a high strength air current equipartition board, additional strengthening includes: the first bending part is connected with the substrate, and an included angle alpha between the first bending part and the substrate is an acute angle; the second bending part is arranged at one end, far away from the substrate, of the first bending part.
The first bending part is arranged at an acute angle with the substrate, so that the surface of the first bending part is inclined towards the wet dedusting mechanism. The spraying liquid falls on the surface of the inclined first bending part, plays a role in guiding, and guides the spraying liquid to be uniformly diffused on the surface of the uniform air distribution plate. The spraying liquid passes through the air holes in the diffusion process, so that the film is easier to form, and the spraying liquid for forming the film continuously flows along the surface of the air flow uniform distribution plate due to continuous spraying of the spraying liquid, so that the air holes are prevented from being directly sprayed to damage the film. When the film is broken, violent air flow is formed locally, so that on one hand, the contact and mixing of the flue gas and the spraying liquid can be improved, and on the other hand, the broken film enables the spraying liquid originally forming the film to be broken into small liquid drops, so that the flue gas can be fully diffused. On the other hand, the inclined first bending part continuously introduces the spraying liquid to the air holes, so that the contact sufficiency degree of the flue gas and the spraying liquid can be further improved when the film is continuously formed and crushed.
3. The utility model provides a high strength air current equipartition board, first kink has two, and two first kink symmetry is located the both sides of second kink.
The intensity of the even distribution of air flow board itself can be improved to the first kink of slope on the one hand, can also further provide guiding power for spraying liquid along the flow of the even distribution of air flow board surface, improve the effect of flow equalizing of even distribution of air flow board and promote the effect that flue gas and spraying liquid mix.
4. The utility model also provides a desulfurizing tower, include: the wet dust removal mechanism is correspondingly arranged in a channel for flue gas to flow in the desulfurizing tower; the high-strength air flow uniform distribution plate is arranged below the wet dust removal mechanism.
The air flow uniform distribution plate with the reinforcing structure is relatively outwards convex, so that the spraying area is increased, more spraying liquid is attached to the air flow uniform distribution plate, the contact area and the contact efficiency of the spraying liquid and the flue gas are improved, and the wet dust removal effect is enhanced.
5. The utility model discloses the desulfurizing tower that still provides, the desulfurizing tower still includes: and the variable-diameter section is positioned below the wet dust removal mechanism, and the cross-sectional area of the flue gas flowing channel is gradually increased in the range of the variable-diameter section along the direction close to the wet dust removal mechanism.
The reducing section can gradually increase the cross-sectional area of the flue gas in the process that the flue gas flows to the wet dedusting mechanism, so that the treatment efficiency of the wet dedusting mechanism is improved.
6. The utility model discloses the desulfurizing tower that still provides, the size of bleeder vent is by being close to the passageway central point that the flue gas flows is to desulfurizing tower inner wall direction grow gradually.
Because the cross section of the corresponding flow channel between the smoke and the reducing section is relatively small, the diffusion degree of the smoke to the inner wall of the channel is not uniform after the smoke enters the reducing section. Therefore, the air holes passing through the middle part are smaller, so that the smoke is forced to diffuse and flow towards two sides, and the smoke is uniformly diffused.
7. The utility model discloses the desulfurizing tower that still provides, high strength air current equipartition board has two at least, and distributes along vertical direction in the reducing section.
The two layers of high-strength air flow uniform distribution plates respectively flow equalize the flue gas, so that the treatment efficiency of flue gas flow equalization is improved. Because the flue gas passes through two air current equipartition boards respectively, consequently the bleeder vent of two air current equipartition boards both can the one-to-one, also can stagger each other. The two air flow uniform distribution plates can be different from each other in the size of the air holes. Wherein, in the in-service use in-process, can splice a plurality of air current equipartition boards and form a set of to form the interception section of intercepting flue gas in the flue gas passageway in the desulfurizing tower. Adjacent air flow uniform distribution plates can be connected through fixing parts, wherein bolts are selected for the fixing parts.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view showing a relatively protruding reinforcing structure on an airflow uniform distribution plate according to the present invention;
FIG. 2 is a top view showing the structure of the flow distributor plate;
FIG. 3 is a schematic diagram illustrating an angle α between the first bending portion and the substrate;
fig. 4 is a schematic view showing a mounting structure of the gas flow distribution plate in the desulfurization tower.
Description of reference numerals:
1. a substrate; 11. a reinforcing structure; 111. a first bent portion; 112. a second bent portion; 12. air holes are formed; 2. a fixed part; 3. a boom; 4. a diameter-changing section; 5. wet dedusting mechanism.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. 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.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
The utility model provides a high strength air current equipartition board, as shown in figure 1, figure 2, include: the air-permeable substrate comprises a substrate 1, wherein a plurality of air holes 12 are formed in the substrate 1; and the reinforcing structure 11 is arranged on the substrate 1 and protrudes outwards relative to the substrate 1. Outside bellied additional strengthening 11 can improve air current equipartition board self intensity on the one hand, can also increase air current equipartition board surface area, increase the trompil area, improve the efficiency that the flue gas passes through. The gas flow uniform distribution plate is generally arranged below the wet dust removal mechanism 5, and the flow equalization treatment is carried out on the flue gas before the wet dust removal is carried out on the flue gas. The air distribution plate with the reinforcing structure 11 is relatively outwards convex due to the reinforcing structure 11, the spraying area is increased, more spraying liquid is attached to the air distribution plate, the contact area and the contact efficiency of the spraying liquid and the flue gas are improved, and the wet dust removal effect is enhanced.
On the basis of the above embodiment, as a further limited embodiment, as shown in fig. 1, the reinforcing structure 11 includes: a first bending part 111 connected to the substrate 1, wherein an included angle α between the first bending part 111 and the substrate 1 is an acute angle; the second bending portion 112 is disposed at an end of the first bending portion 111 away from the substrate 1. The first bent portion 111 is disposed at an acute angle with the substrate 1, so that the surface of the first bent portion 111 is inclined toward the wet dust removing mechanism 5. The spraying liquid falls on the surface of the inclined first bending part 111, plays a role in guiding, and guides the spraying liquid to be uniformly diffused on the surface of the uniform air distribution plate. The spraying liquid passes through the air holes 12 in the diffusion process, so that a film is more easily formed, and the spraying liquid for forming the film continuously flows along the surface of the air flow uniform distribution plate due to continuous spraying of the spraying liquid, so that the film is prevented from being directly damaged by spraying of the air holes 12. When the film is broken, violent air flow is formed locally, so that on one hand, the contact and mixing of the flue gas and the spraying liquid can be improved, and on the other hand, the broken film enables the spraying liquid originally forming the film to be broken into small liquid drops, so that the flue gas can be fully diffused. On the other hand, as the inclined first bending part 111 continuously introduces the spraying liquid to the air holes 12, the film can further improve the contact sufficiency of the flue gas and the spraying liquid during the continuous formation and breaking of the film. As an alternative, α can also be a right angle, an obtuse angle.
In addition to the above embodiments, as a further limited embodiment, as shown in fig. 1 and 3, there are two first bent portions 111, and the two first bent portions 111 are symmetrically disposed on two sides of the second bent portion 112. The intensity of the even distribution of air flow board itself can be improved on the one hand to the first kink 111 of slope, can also further provide guiding power for spraying liquid along the flow of even distribution of air flow board surface, improves the effect of flow equalizing of even distribution of air flow board and promotes the effect that flue gas and spraying liquid mix. As an alternative embodiment, the inclination angles of the first bent portion 111 at both sides of the second bent portion 112 may be different.
In addition to the above embodiments, as a further limited embodiment, as shown in fig. 1, the second bent portion 112 is disposed parallel to the substrate 1. As an alternative embodiment, the second bending portion 112 may be formed by a plurality of bending units connected in sequence, the bending units may be inclined or parallel to each other, and the bending units may be planes or arc surfaces.
In addition to the above embodiments, as a further limited embodiment, as shown in fig. 1, the reinforcing structure 11 is integrally formed with the substrate 1. The reinforcing structure 11 may be integrally formed by the substrate 1 through stamping. As an alternative, the reinforcing structure 11 can also be formed by bending a single blank several times. As a further alternative, the reinforcing structure 11 may also be cast together with the baseplate 1. As a further alternative, the reinforcing structure 11 and the base plate 1 may be prefabricated by welding in one piece in a safe operating situation.
Example 2:
the utility model also provides a desulfurizing tower, as shown in FIG. 4, include: the wet dust removal mechanism 5 is correspondingly arranged in a channel for flue gas to flow in the desulfurizing tower; the high-strength air flow uniform distribution plate of embodiment 1 is arranged below the wet dust removal mechanism 5. The air distribution plate with the reinforcing structure 11 is relatively outwards convex due to the reinforcing structure 11, the spraying area is increased, more spraying liquid is attached to the air distribution plate, the contact area and the contact efficiency of the spraying liquid and the flue gas are improved, and the wet dust removal effect is enhanced.
In addition to the above-described embodiments, as a further limited embodiment, as shown in fig. 4, the desulfurization tower further includes: and the variable-diameter section 4 is positioned below the wet dust removal mechanism 5, and the cross-sectional area of the flue gas flowing channel is gradually increased in the range of the variable-diameter section 4 along the direction close to the wet dust removal mechanism 5. The reducing section 4 can gradually increase the cross-sectional area of the flue gas in the process that the flue gas flows to the wet dedusting mechanism 5, so that the treatment efficiency of the wet dedusting mechanism 5 is improved.
In addition to the above embodiments, as a further limited embodiment, as shown in fig. 2 and 4, the size of the ventilation holes 12 gradually increases from the central portion of the flue gas flow passage toward the inner wall of the desulfurization tower. Because the cross section of the corresponding flow channel between the smoke and the reducer section 4 is relatively small, the smoke is not uniformly diffused to the inner wall of the channel after entering the reducer section 4. Therefore, the ventilation holes 12 passing through the middle part are smaller, so that the smoke is forced to diffuse and flow towards two sides, and the smoke is uniformly diffused.
On the basis of the above embodiment, as a further limited embodiment, as shown in fig. 4, at least two high-intensity air distribution plates are distributed in the variable diameter section 4 along the vertical direction. The two layers of high-strength air flow uniform distribution plates respectively flow equalize the flue gas, so that the treatment efficiency of flue gas flow equalization is improved. Because the flue gas passes through two air current equipartition boards respectively, consequently the bleeder vent 12 of two air current equipartition boards, both can the one-to-one, also can stagger each other. The two air distribution plates can also be different from each other in the size of the air holes 12. As an alternative embodiment, there is one high intensity gas flow distribution plate. Wherein, in the in-service use in-process, can splice a plurality of air current equipartition boards and form a set of to form the interception section of intercepting flue gas in the flue gas passageway in the desulfurizing tower. As shown in fig. 3, the adjacent air distribution plates may be connected by a fixing portion 2, wherein the fixing portion 2 is a bolt.
Wherein, the air flow uniform distribution plate is hung below the wet dust removal mechanism 5 through the hanger rod 3. As an alternative embodiment, the gas flow distribution plate is fixed on the inner wall of the desulfurization tower. As another alternative, a truss structure is arranged in the desulfurization tower, and the gas flow distribution plate is connected to the truss.
On the basis of the above embodiment, as a further limited embodiment, as shown in fig. 4, the adjacent air distribution plates are parallel to each other. As an alternative embodiment, the adjacent air flow distribution plates are obliquely arranged.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. The utility model provides a high strength air current equipartition board which characterized in that includes:
the air-permeable glass substrate comprises a substrate (1), wherein a plurality of air holes (12) are formed in the substrate (1);
and the reinforcing structure (11) is arranged on the substrate (1) and protrudes outwards relative to the substrate (1).
2. The high intensity gas flow distributor plate according to claim 1, wherein the reinforcing structure (11) comprises:
a first bent portion (111) connected to the substrate (1) and an included angle α between the first bent portion (111) and the substrate (1) is an acute angle;
and the second bending part (112) is arranged at one end of the first bending part (111) far away from the substrate (1).
3. The high strength air flow distribution plate according to claim 2, wherein there are two first bending portions (111), and the two first bending portions (111) are symmetrically disposed on two sides of the second bending portion (112).
4. The high strength gas flow uniform distribution plate according to claim 2 or 3, wherein the second bending portion (112) is disposed parallel to the substrate (1).
5. A high strength gas flow distribution plate according to any one of claims 1-3, wherein the reinforcing structure (11) is integrally formed with the base plate (1).
6. A desulfurization tower, comprising:
the wet dust removal mechanism (5) is correspondingly arranged in a channel for flue gas to flow in the desulfurizing tower;
the high-intensity gas flow uniform distribution plate of any one of claims 1 to 5, which is arranged below the wet dust removal mechanism (5).
7. The desulfurization tower of claim 6, further comprising:
and the reducing section (4) is positioned below the wet dust removal mechanism (5), and the cross section area of the channel where the flue gas flows is gradually increased in the range of the reducing section (4) along the direction close to the wet dust removal mechanism (5).
8. The desulfurization tower of claim 7, wherein the size of the ventilation holes (12) is gradually increased from the central part of the flue gas flowing channel to the inner wall of the desulfurization tower.
9. The desulfurization tower of claim 7 or 8, wherein at least two high-intensity gas flow distribution plates are vertically distributed in the reducer section (4).
10. The desulfurization tower of claim 9, wherein adjacent gas flow distribution plates are parallel to each other.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021526887.5U CN212440738U (en) | 2020-07-28 | 2020-07-28 | High-strength air flow uniform distribution plate and desulfurizing tower |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021526887.5U CN212440738U (en) | 2020-07-28 | 2020-07-28 | High-strength air flow uniform distribution plate and desulfurizing tower |
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| CN212440738U true CN212440738U (en) | 2021-02-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111729499A (en) * | 2020-07-28 | 2020-10-02 | 中国华电科工集团有限公司 | High-strength air flow uniform distribution plate and desulfurizing tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111729499A (en) * | 2020-07-28 | 2020-10-02 | 中国华电科工集团有限公司 | High-strength air flow uniform distribution plate and desulfurizing tower |
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