CN212819048U - Reduce spray line structure of terminal scale deposit risk - Google Patents
Reduce spray line structure of terminal scale deposit risk Download PDFInfo
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- CN212819048U CN212819048U CN202021068479.XU CN202021068479U CN212819048U CN 212819048 U CN212819048 U CN 212819048U CN 202021068479 U CN202021068479 U CN 202021068479U CN 212819048 U CN212819048 U CN 212819048U
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- spray
- blind plate
- spraying
- reducing
- ring
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- 239000007921 spray Substances 0.000 title claims abstract description 98
- 238000005507 spraying Methods 0.000 claims abstract description 46
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 230000002787 reinforcement Effects 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 7
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 239000011152 fibreglass Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000006477 desulfuration reaction Methods 0.000 abstract description 11
- 230000023556 desulfurization Effects 0.000 abstract description 11
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 2
- 230000002745 absorbent Effects 0.000 description 10
- 239000002250 absorbent Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- -1 metallurgy Substances 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
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Abstract
The utility model provides a reduce spray piping structure of terminal scale deposit risk installs on the supporting seat of spray column barrel inner wall, including spraying the person in charge, spray branch pipe, nozzle, blind plate, reinforcement sealing washer and head, the end that sprays the person in charge is fixed on the supporting seat, it is connected with a plurality of spray branch pipe to spray the person in charge, the last nozzle of installing of spray branch pipe, the head is installed in spraying the terminal inner wall of person in charge, the blind plate is fixed in and sprays in the person in charge and is close to between terminal spray branch pipe and the head, the blind plate sprays back to and is equipped with the reinforcement sealing washer in the terminal one side of person in charge, the outer lane of reinforcement sealing washer offsets with the inner wall that sprays the person in charge and. This spray pipe structure can avoid appearing after terminal spray pipe thick liquid deposit scale deposit falls off, sprays spun problem by edge nozzle to reduce and overhaul the maintenance cost, guarantee desulfurization efficiency.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a flue gas desulfurization equipment's technical field, especially a spray piping structure who reduces terminal scale deposit risk.
[ background of the invention ]
At present, the industries of thermoelectricity, steel, metallurgy, cement and the like in China mainly adopt a wet flue gas desulfurization process to remove sulfur dioxide in flue gas, and an absorbent spraying system is one of the most important components in a desulfurization tower.
One of the main reasons that the desulfurization efficiency of the conventional desulfurization tower is not high enough is that the design of an absorbent spraying system is not reasonable enough. The slurry spraying system of the desulfurization spraying empty tower generally comprises spraying layers which are arranged in a layered mode, and each spraying layer comprises a main spraying pipe, a branch spraying pipe, a nozzle and the like. The tail end of the spraying layer close to the tower wall is an area with weak spraying coverage, so that the flue gas is easy to escape, and the desulfurization efficiency is reduced.
The structure of the tail end of a conventional absorbent spraying system is shown in fig. 1. In order to reduce the scouring of the absorbent sprayed by the edge nozzle 6 on the inner wall of the spray tower cylinder 1, the distance between the edge nozzle close to the inner wall of the spray tower cylinder 1 and the spray tower cylinder is generally 0.6-1 m, and the tail end of the main spray pipe is fixed on a supporting seat on the inner wall of the spray tower cylinder, so the length a from the tail end face of the main spray pipe to the nearest branch spray pipe is generally more than 0.5 m. In the prior art, a structure that a pipe cap is directly arranged at the tail end of a spray pipe is adopted, so that deposits and scales of slurry are easily formed at the tail end of the spray pipe, and when an absorbent spray system is started and stopped, the deposits and scales are easily dropped and flow to a spray branch pipe and an edge nozzle along with an absorbent, so that the risk of blocking the spray branch pipe and the edge nozzle exists, the spray coverage rate is influenced, and the desulfurization efficiency is reduced; the sediment and the scaling substances sprayed out from the edge nozzle can flush the inner wall of the spray tower cylinder body, so that the overhaul and maintenance cost is increased; in addition, the pipe cap arranged at the tail end of the spray pipe is easy to damage and fall off in the processes of transportation, installation and operation.
[ Utility model ] content
The utility model discloses an aim at solving the problem among the prior art, provide a reduce spray pipe structure of terminal scale deposit risk, can avoid appearing terminal spray pipe thick liquid deposit scale deposit and fall off after, spray spun problem by edge nozzle to reduce and overhaul the maintenance cost, guarantee desulfurization efficiency.
For realize above-mentioned mesh, the utility model provides a reduce spray piping structure of terminal scale deposit risk installs on the supporting seat of spray column barrel inner wall, including spraying the person in charge, spray branch pipe, nozzle, blind plate, reinforcement sealing washer and head, the end that sprays the person in charge is fixed on the supporting seat, it is connected with a plurality of spray branch pipe to spray on the person in charge, install the nozzle on the spray branch pipe, the head is installed in spraying the terminal inner wall of person in charge, the blind plate is fixed in and sprays in the person in charge and is close to between terminal spray branch pipe and the head, the blind plate sprays the terminal one side of person in charge dorsad and is equipped with the reinforcement sealing washer, the outer lane of reinforcement sealing washer offsets with the inner wall that sprays the person in charge.
Preferably, the axis of the blind plate coincides with the axis of the main spray pipe, and the axial closest distance L between the blind plate and the inner wall of the branch spray pipe closest to the tail end of the main spray pipe is not more than 100 mm.
Preferably, the blind plate is a circular or elliptical plate, the diameter of the blind plate is smaller than or equal to the inner diameter of the spraying main pipe, and the thickness of the blind plate is 10-60 mm.
Preferably, the reinforcing sealing ring is of an annular structure and comprises a blocking ring and a convex edge which is arranged on the outer ring of the blocking ring and is bent towards one side of the blind plate, the blocking ring abuts against the blind plate, and the outer ring of the convex edge abuts against the inner wall of the spraying main pipe.
Preferably, one side of the blind plate, which is close to the reinforcing sealing ring, is provided with an annular limiting step and a sealing bulge ring, a corner at the outer side of the limiting step is provided with a guiding conical surface, the outer ring of the limiting step abuts against the inner ring of the baffle ring, the outer side of the limiting step is provided with the sealing bulge ring, and the sealing bulge ring abuts against the side end surface of the baffle ring.
As preferred, the axis of head coincides with the axis that sprays the person in charge, the head adopts the built-in head of reducing, includes from spraying the terminal installation department and the portion of reducing that set gradually to the other end of being responsible for, the installation department is fixed and is being responsible for the end spraying, the outer wall of installation department offsets with the terminal inner wall that sprays the person in charge, the one end that the portion of reducing is close to the blind plate has the shrouding, the shrouding is not less than 50mm with the distance b that sprays between the terminal surface of being responsible for.
Preferably, the mounting portion and the reduced diameter portion are connected by a transition tapered surface with gradually reduced inner diameter of the cross section.
Preferably, the main spraying pipe, the branch spraying pipes, the blind plate, the reinforcing sealing ring and the seal head are all made of glass fiber reinforced plastics with inner and outer surfaces lined with wear-resistant and corrosion-resistant layers.
The utility model has the advantages that: the utility model discloses a setting up the structure of blind plate at the end that sprays the person in charge, blind plate, reinforcement sealing washer can with spray the person in charge inner wall and seal completely to prevent absorbent seepage to the opposite side of blind plate, thereby avoid effectively spraying the person in charge end and form deposit scaling thing, this structure can be used to in various wet flue gas desulfurization systems such as two alkaline methods, carbide slag method and lime-gypsum method.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic structural view of the tail end of a conventional absorbent spray system;
fig. 2 is a schematic view of the internal structure of a spray pipe structure for reducing the risk of end scaling according to the present invention;
FIG. 3 is a schematic view of FIG. 2 taken in the direction A;
fig. 4 is a schematic cross-sectional view of a head of a spray pipe structure of the present invention to reduce the risk of end scaling;
fig. 5 is a schematic cross-sectional view of a reinforced seal ring of a spray pipe structure of the present invention to reduce the risk of end scaling;
fig. 6 is a schematic cross-sectional view of a blind plate according to a first embodiment of the present invention;
fig. 7 is a schematic cross-sectional view of a blind plate according to a second embodiment of the present invention.
[ detailed description ] embodiments
Example 1
Refer to fig. 2 to 6 the utility model relates to a reduce spray pipe structure of terminal scale deposit risk installs on the supporting seat 2 of 1 inner wall of spray column barrel, including spraying and being responsible for 3, spray branch pipe 4, nozzle 5, blind plate 6, reinforcement sealing washer 7 and head 8, the end that sprays and be responsible for 3 is fixed on supporting seat 2, it is connected with a plurality of spray branch pipe 4 on being responsible for 3 to spray, install nozzle 5 on spray branch pipe 4, head 8 is installed in spraying and is responsible for 3 terminal inner walls, blind plate 6 is fixed in and sprays and is responsible for 3 in closest to between terminal spray branch pipe 4 and the head 8, blind plate 6 is equipped with reinforcement sealing washer 7 to spraying 3 terminal one side of being responsible for, reinforcement sealing washer 7's outer lane offsets with the inner wall that sprays and be responsible for 3 and leans on.
Further, referring to fig. 2, the axis of the blind plate 6 coincides with the axis of the main spray pipe 3, and is vertically fixed on the inner wall of the main spray pipe 3 to prevent the absorbent from leaking to the other side of the blind plate 6, and the axial closest distance L between the blind plate 6 and the inner wall of the branch spray pipe 4 closest to the end position of the main spray pipe 3 is not greater than 100mm, as shown in fig. 2, so as to avoid the formation of deposit scale at the end of the main spray pipe 3.
Further, referring to fig. 6, the blind plate 6 is a circular or elliptical plate, the diameter of the blind plate is smaller than or equal to the inner diameter of the main spray pipe 3, and the thickness of the blind plate 6 is 10-60 mm, so that sufficient strength is ensured.
Further, referring to fig. 5, the reinforcing seal ring 7 is of an annular structure, and includes a baffle ring 71 and a convex edge 72 disposed on an outer ring of the baffle ring 71 and bent toward a side opposite to the blind plate 6, the baffle ring 71 abuts against the blind plate 6, an outer ring of the convex edge 72 abuts against an inner wall of the main spray pipe 3, and the reinforcing seal ring 7 plays a role in reinforcing and sealing.
Further, referring to fig. 4, the axis of the seal head 8 coincides with the axis of the main spraying pipe 3, the seal head 8 is a reducing built-in seal head, and includes an installation portion 81 and a reducing portion 82 which are sequentially arranged from the end of the main spraying pipe 3 to the other end, the installation portion 81 is fixed at the end of the main spraying pipe 3, the outer wall of the installation portion 81 abuts against the inner wall of the end of the main spraying pipe 3, a seal plate 820 is arranged at one end of the reducing portion 82 close to the blind plate 6, and the distance b between the seal plate 820 and the end face of the end of the main spraying pipe 3 is not less than 50mm, as shown in fig. 2.
Further, referring to fig. 4, the mounting portion 81 and the reduced diameter portion 82 are connected by a transition tapered surface 800 having a gradually decreasing inner diameter in cross section.
Furthermore, the spraying main pipe 3, the spraying branch pipes 4, the blind plate 6, the reinforcing seal ring 7 and the seal head 8 are all made of glass fiber reinforced plastics with inner and outer surfaces lined with wear-resistant and corrosion-resistant layers.
Example 2
Referring to fig. 7, the difference from embodiment 1 is: one side that the blind plate 6 is close to the reinforcement sealing ring 7 is equipped with annular spacing step 61 and sealed protruding ring 62, the corner in the spacing step 61 outside is equipped with leading-in conical surface 611, the outer lane of spacing step 61 supports with the inner circle of keeping off ring 71 and leans on, the outside of spacing step 61 is equipped with sealed protruding ring 62, sealed protruding ring 62 supports with the side end face of keeping off ring 71 and leans on, and reinforcement sealing ring 7 plays and consolidates and the sealed effect.
The utility model discloses the working process:
the utility model relates to a spray pipe structure for reducing the risk of end scaling, which can avoid the formation of deposit scaling at the end of the main spray pipe by arranging the blind plate at the end of the main spray pipe and enabling the distance between the blind plate and the branch spray pipe to be smaller; the reinforcing sealing ring is arranged on one side of the blind plate and can be completely sealed with the inner wall of the spraying main pipe, so that the absorbent is prevented from leaking to the other side of the blind plate, and the strength can be improved to a certain degree. Wherein, the head sets up in spraying the inside of being responsible for the end, can avoid appearing damaged, the problem that drops easily in transportation, installation, operation process.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (8)
1. The utility model provides a reduce spray pipe structure of terminal scale deposit risk, installs on supporting seat (2) of spray column barrel (1) inner wall, its characterized in that: including spraying person in charge (3), spray branch pipe (4), nozzle (5), blind plate (6), reinforcement sealing washer (7) and head (8), the end that sprays person in charge (3) is fixed on supporting seat (2), it is connected with a plurality of spray branch pipe (4) on being responsible for (3) to spray, spray and install nozzle (5) on branch pipe (4), head (8) are installed in spraying the inner wall of being responsible for (3) end, blind plate (6) are fixed in and are sprayed and are responsible for (3) in closest to between terminal spray branch pipe (4) and head (8), blind plate (6) are equipped with reinforcement sealing washer (7) to spraying the terminal one side of being responsible for (3) dorsad, the outer lane of reinforcement sealing washer (7) offsets with the inner wall that sprays person in charge (3) and leans on.
2. A spray pipe structure for reducing the risk of tip fouling as claimed in claim 1 wherein: the axis of the blind plate (6) coincides with the axis of the spraying main pipe (3), and the axial nearest distance L between the blind plate (6) and the inner wall of the spraying branch pipe (4) closest to the tail end of the spraying main pipe (3) is not more than 100 mm.
3. A spray pipe structure for reducing the risk of tip fouling as claimed in claim 1 wherein: the blind plate (6) is a circular or elliptical plate, the diameter of the blind plate is smaller than or equal to the inner diameter of the spraying main pipe (3), and the thickness of the blind plate (6) is 10-60 mm.
4. A spray pipe structure for reducing the risk of tip fouling as claimed in claim 1 wherein: the reinforcing sealing ring (7) is of an annular structure and comprises a blocking ring (71) and a convex edge (72) which is arranged on the outer ring of the blocking ring (71) and is bent back to one side of the blind plate (6), the blocking ring (71) is abutted against the blind plate (6), and the outer ring of the convex edge (72) is abutted against the inner wall of the spraying main pipe (3).
5. A spray pipe structure for reducing the risk of tip fouling as claimed in claim 4 wherein: one side that blind plate (6) are close to and consolidate sealing washer (7) is equipped with annular spacing step (61) and sealed protruding ring (62), the corner in spacing step (61) outside is equipped with leading-in conical surface (611), the outer lane of spacing step (61) offsets with the inner circle that keeps off ring (71) and leans on, the outside of spacing step (61) is equipped with sealed protruding ring (62), sealed protruding ring (62) offsets with the side end face that keeps off ring (71) and leans on.
6. A spray pipe structure for reducing the risk of tip fouling as claimed in claim 1 wherein: the axis of head (8) and the axis that sprays and be responsible for (3) coincide mutually, head (8) adopt the built-in head of reducing, include from spraying installation department (81) and the portion of reducing (82) that terminal to the other end that is responsible for (3) set gradually, installation department (81) are fixed and are being responsible for the end of (3) spraying, the outer wall of installation department (81) offsets with the inner wall that sprays and be responsible for (3) end, the one end that the portion of reducing (82) is close to blind plate (6) has shrouding (820), shrouding (820) and spray the distance b of being responsible for between the terminal surface of (3) and be not less than 50 mm.
7. A spray pipe structure for reducing the risk of tip fouling as claimed in claim 6 wherein: the mounting part (81) is connected with the reducing part (82) through a transition conical surface (800) with the inner diameter of the section gradually reduced.
8. A spray pipe structure for reducing the risk of tip fouling as claimed in claim 1 wherein: the spraying main pipe (3), the spraying branch pipes (4), the blind plate (6), the reinforcing sealing ring (7) and the seal head (8) are all made of glass fiber reinforced plastics with inner and outer surfaces lined with wear-resistant and corrosion-resistant layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021068479.XU CN212819048U (en) | 2020-06-11 | 2020-06-11 | Reduce spray line structure of terminal scale deposit risk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021068479.XU CN212819048U (en) | 2020-06-11 | 2020-06-11 | Reduce spray line structure of terminal scale deposit risk |
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| Publication Number | Publication Date |
|---|---|
| CN212819048U true CN212819048U (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021068479.XU Active CN212819048U (en) | 2020-06-11 | 2020-06-11 | Reduce spray line structure of terminal scale deposit risk |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111701418A (en) * | 2020-06-11 | 2020-09-25 | 浙江菲达环保科技股份有限公司 | A spray pipe structure that reduces the risk of fouling at the end |
-
2020
- 2020-06-11 CN CN202021068479.XU patent/CN212819048U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111701418A (en) * | 2020-06-11 | 2020-09-25 | 浙江菲达环保科技股份有限公司 | A spray pipe structure that reduces the risk of fouling at the end |
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