CN210229473U - Venturi integrated cooling and dedusting device for ship tail gas cleaning system - Google Patents
Venturi integrated cooling and dedusting device for ship tail gas cleaning system Download PDFInfo
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- CN210229473U CN210229473U CN201920776330.8U CN201920776330U CN210229473U CN 210229473 U CN210229473 U CN 210229473U CN 201920776330 U CN201920776330 U CN 201920776330U CN 210229473 U CN210229473 U CN 210229473U
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Abstract
The utility model discloses an integrated cooling dust collector of venturi for boats and ships tail gas cleaning system, including the vertical pipe of inlet end, integrated form venturi subassembly, spray set, give vent to anger and hold vertical pipe, give vent to anger and hold reducing return bend and give vent to anger and hold horizontal straight tube, spray set installs on the venturi subassembly, and the device reduces single venturi treatment tolerance through increasing venturi quantity, reduces the venturi height to reduce the height of venturi air inlet section, solved the desulfurizing tower inlet end and arranged the difficulty. And the length of the front and rear reducing pipes of a single Venturi can be prolonged, so that the aim of improving the Venturi dedusting effect is fulfilled. Therefore, the flue gas entering the main tower (the packed tower) is cleaner, and the probability of blockage and hardening of the main tower packing is reduced.
Description
Technical Field
The utility model relates to a ship tail gas handles the field, especially relates to an integrated cooling dust collector of venturi for ship tail gas cleaning system.
Background
The ship tail gas cleaning technology is used for cleaning sulfur oxides and particulate matters in waste gas generated by burning heavy oil by equipment such as a main engine, a generator, a boiler and the like in the running process of a ship.
The intake section of the desulfurizing tower in the ship tail gas cleaning technology is generally divided into two modes: one is a straight-tube U-shaped section cooling mode, and the other is a Venturi cooling and dedusting mode. The first is simpler, and relies on a large amount of spray liquid to wash and cool. The second one has increased the venturi in the straight section of thick bamboo section, through contracting the reducing, cooperates the mode that the moderate amount sprayed liquid played the cooling and removed dust.
The traditional spraying liquid sprays water into the Venturi tube by a spraying head, the atomization and heat transfer efficiency is not high, the particle size of water drops is more than 100um, and the length of front and rear necking necks of the Venturi tube is not enough, so that the dust removal effect is not good; the whole length of the cooling and dust removing device adopting a single Venturi tube is too long, so that the device is not beneficial to installation of a limited space of a ship.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a venturi integration cooling and dust removal device for ship tail gas cleaning system.
First, design principle
A plurality of Venturi tubes are integrated in the straight barrel section, and the length of the variable-neck section at the two ends of each Venturi tube is delayed.
Secondly, the purpose of the utility model is realized by adopting the following technical scheme:
the utility model provides an integrated cooling dust collector of venturi for boats and ships tail gas cleaning system, includes the vertical pipe of inlet end, integrated form venturi subassembly, spray assembly, gives vent to anger the vertical pipe of end, gives vent to anger the end reducing return bend and give vent to anger the end and violently the straight tube, spray assembly install in on the venturi subassembly, the vertical pipe of inlet end, integrated form venturi subassembly and the vertical pipe of the end of giving vent to anger from top to bottom vertical connection in proper order, the lower extreme of the vertical pipe of the end of giving vent to anger is connected with the last inlet end of the end reducing return bend of giving vent to anger, give vent to anger the end of the horizontal direction of end reducing return bend with the inlet end of the end violently straight.
Preferably, the above-mentioned connecting means includes, but is not limited to, welding.
Preferably, the integrated venturi assembly comprises an integrated outer tube and a plurality of venturi tubes arranged in parallel in the integrated outer tube, the upper end of the integrated outer tube is connected with the lower end of the vertical tube at the air inlet end, and the lower end of the integrated outer tube is connected with the upper end of the vertical tube at the air outlet end.
Preferably, the number of the venturi tubes is four.
Preferably, the venturi includes venturi air inlet necking pipe, venturi straight tube and venturi expanding tube of giving vent to anger, the upper end and the integrated baffle of admitting air of venturi air inlet necking pipe are connected, and the lower extreme and the integrated baffle of giving vent to anger of venturi expanding tube of giving vent to anger are connected.
Preferably, the lengths of the venturi air inlet necking pipe, the venturi straight pipe and the venturi air outlet expanding pipe in the vertical direction are sequentially increased.
Preferably, the air inlet integrated partition plate is a flat plate and comprises a partition plate body and air inlet holes, and the number of the air inlet holes is equal to that of the Venturi tubes; the shape of the air outlet integrated clapboard is the same as that of the air inlet integrated clapboard.
Preferably, the air inlet integrated partition plate is an arc-shaped concave surface plate and comprises a partition plate body with an arc-shaped surface, air inlet holes with a circular vertical projection surface and an installation flat plate part, and the number of the air inlet holes is the same as that of the venturi tubes; the air outlet integrated clapboard is a flat plate.
Preferably, the spraying assembly comprises a plurality of spraying nozzles, and the spraying direction of each spraying nozzle is obliquely downwards arranged and is arranged in each venturi straight pipe.
Preferably, the design air volume of each venturi tube is 20000Nm3The amount of flue gas corresponding to the integrated Venturi assembly is 60000-80000 Nm3/h。
Preferably, the bottom of the liquid collecting chamber passes through a flow guide pipe, and the collected waste liquid is discharged through the flow guide pipe.
Compared with the prior art, the beneficial effects of the utility model reside in that: this device reduces single venturi and handles tolerance through increasing venturi quantity, reduces the venturi height to reduce the height of venturi air inlet section, solved the desulfurizing tower inlet end and arranged the difficulty. And the length of the front and rear reducing pipes of a single Venturi can be prolonged, so that the aim of improving the Venturi dedusting effect is fulfilled. Therefore, the flue gas entering the main tower (the packed tower) is cleaner, and the probability of blockage and hardening of the main tower packing is reduced.
Drawings
FIG. 1 is a prior art single venturi cooling and dedusting device;
FIG. 2 is a schematic structural view of a Venturi integrated cooling and dust removing device according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of an air inlet integrated partition plate being a flat plate and having four air inlets;
FIG. 4 is a schematic structural view of an air inlet integrated partition plate being a flat plate and having three air inlets;
FIG. 5 is a schematic structural view of a venturi integrated cooling and dust removing device according to a second embodiment of the present invention;
FIG. 6 is a schematic structural diagram of an embodiment in which the air intake integrated partition of the second embodiment is an arc-shaped panel and has four air intake holes.
In the figure: 1. an air inlet end vertical pipe; 2. integrating an outer tube; 3. a venturi tube; 31. a venturi air intake neck; 32. a straight venturi tube; 33. a Venturi air outlet expanding pipe; 4. a spray assembly; 5. an air outlet end vertical pipe; 6. the air outlet end is provided with a reducing elbow; 7. a gas outlet end horizontal straight pipe; 8. a liquid collection chamber; 9. an air intake integrated baffle; 91. a separator body; 92. an air inlet; 93. mounting a flat plate portion; 10. a positioning ring; 11. and an air outlet integrated clapboard.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that 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 efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, a venturi integrated cooling and dust removing device for a ship tail gas cleaning system comprises an air inlet end vertical pipe 1, an integrated venturi assembly, a spray assembly 4, an air outlet end vertical pipe 5, an air outlet end reducing elbow pipe 6, an air outlet end horizontal straight pipe 7, a liquid collecting chamber 8, an air inlet integrated partition plate 9 and an air outlet integrated partition plate 11.
Connection relation: the spray assembly 4 is installed on the venturi assembly, and the vertical pipe 1 of inlet end, integrated form venturi assembly and the vertical pipe 5 of the end of giving vent to anger are from top to bottom vertical connection in proper order, and the lower extreme of the vertical pipe 5 of the end of giving vent to anger is connected with the last inlet end of the end reducing return bend 6 of giving vent to anger, and the end of giving vent to anger of the horizontal direction of the end reducing return bend 6 of giving vent to anger is connected with the inlet end of the end violently straight pipe 7 of giving vent to anger, sets up the collection liquid.
The above-mentioned connection method includes, but is not limited to, welding.
The integrated venturi assembly comprises an integrated outer tube 2 and a plurality of venturi tubes 3 arranged in the integrated outer tube 2 in parallel, the upper end of the integrated outer tube 2 is connected with the lower end of the vertical tube 1 at the air inlet end, and the lower end of the integrated outer tube 2 is connected with the upper end of the vertical tube 5 at the air outlet end.
Wherein the number of the venturi tubes 3 is four (see fig. 3) or three (see fig. 4), preferably four.
The venturi tube 3 comprises a venturi air inlet necking pipe 31, a venturi straight pipe 32 and a venturi air outlet expanding pipe 33, the upper end of the venturi air inlet necking pipe 31 is connected with the air inlet integrated partition plate 9, and the lower end of the venturi air outlet expanding pipe 33 is connected with the air outlet integrated partition plate 11.
Specifically, the lengths of the venturi air inlet necking pipe 31, the venturi straight pipe 32 and the venturi air outlet expanding pipe 33 in the vertical direction are sequentially increased.
In order to improve the dust removal effect, the length of the neck-changed section at the two ends of each Venturi tube is delayed. Specifically, the length of the venturi air inlet necking pipe 31 is 1-2 times, preferably 1.5 times, the length of the venturi straight pipe 32; the length of the Venturi air outlet expanding pipe 33 is 1.5-3.5 times, preferably 3 times that of the Venturi straight pipe 32.
In the embodiment shown in fig. 1-4, the air intake integrated partition 9 is a flat plate and comprises a partition body 91 and air intake holes 92, and the number of the air intake holes 92 is the same as that of the venturi tubes 3; the outlet integrated partition 11 has the same shape as the inlet integrated partition 9.
The air outlet integrated partition plate 11 and the air inlet integrated partition plate 9 are positioned and installed at two ends of the integrated outer pipe 2 through positioning rings 10.
The positioning ring 10 is an annular steel ring, and connecting holes are uniformly distributed along the annular surface of the positioning ring and are used for being connected with the partition plate, or the positioning ring is directly welded with the partition plate without being provided with the connecting holes.
The spray assembly 4 comprises a plurality of spray nozzles, and the spray direction of each spray nozzle is obliquely downwards arranged and is arranged in each venturi straight pipe 32.
The bottom of the liquid collecting chamber 8 passes through the guide pipe, and the collected waste liquid is discharged through the guide pipe.
The reducing elbow (6) at the air outlet end is a 90-degree elbow, the caliber of the upper port of the reducing elbow is the same as that of the vertical pipe (5) at the air outlet end, and the caliber of the air outlet port is smaller than that of the upper port of the reducing elbow.
Referring to the embodiment of fig. 5 and 6, the air intake integrated partition 9 is an arc concave plate, and includes a partition body 91 with an arc surface, air intake holes 92 with a circular vertical projection surface, and a mounting flat plate portion 93, wherein the number of the air intake holes 92 is the same as that of the venturi tubes 3; the air outlet integrated partition plate 11 is a flat plate.
Designing parameters:
the design air volume of each venturi tube 3 is 20000Nm3/h～80000Nm3H; the corresponding smoke gas volume of the integrated Venturi assembly is 60000-80000 Nm3/h。
When the device is installed, the air inlet end of the device is connected with the ship tail gas exhaust pipe, the air outlet end of the device is connected with the air inlet end of a desulfurizing tower (a main tower or a packed tower) of a ship, and the whole device is arranged in the vertical direction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The utility model provides an integrated cooling dust collector of venturi for boats and ships tail gas cleaning system, includes vertical pipe of inlet end (1), integrated form venturi subassembly, spray set (4), give vent to anger and hold vertical pipe (5), give vent to anger and hold reducing return bend (6) and give vent to anger and hold horizontal straight tube (7), spray set (4) install in on the venturi subassembly, its characterized in that: vertical pipe (1) in inlet end, integrated form venturi subassembly and the vertical pipe (5) in end of giving vent to anger are from top to bottom vertical connection in proper order, the lower extreme of the vertical pipe (5) in end of giving vent to anger is connected with the last inlet end of giving vent to anger end reducing return bend (6), give vent to anger the horizontal direction of end reducing return bend (6) give vent to anger the end with the inlet end of giving vent to anger end cross straight tube (7) is connected give vent to anger the bottom of end reducing return bend (6) and sets up album liquid room (8).
2. The apparatus of claim 1, wherein: the integrated venturi assembly comprises an integrated outer tube (2) and a plurality of venturi tubes (3) arranged in the integrated outer tube (2) in parallel, the upper end of the integrated outer tube (2) is connected with the lower end of the vertical tube (1) at the air inlet end, and the lower end of the integrated outer tube (2) is connected with the upper end of the vertical tube (5) at the air outlet end.
3. The apparatus of claim 2, wherein: the number of the Venturi tubes (3) is four.
4. The apparatus of claim 2, wherein: the Venturi tube (3) comprises a Venturi air inlet necking pipe (31), a Venturi straight pipe (32) and a Venturi air outlet expanding pipe (33), the upper end of the Venturi air inlet necking pipe (31) is connected with an air inlet integrated partition plate (9), and the lower end of the Venturi air outlet expanding pipe (33) is connected with an air outlet integrated partition plate (11).
5. The apparatus of claim 4, wherein: the lengths of the Venturi air inlet necking pipe (31), the Venturi straight pipe (32) and the Venturi air outlet expanding pipe (33) in the vertical direction are sequentially increased.
6. The apparatus of claim 4, wherein: the air inlet integrated partition plate (9) is a flat plate and comprises partition plate bodies (91) and air inlet holes (92), and the number of the air inlet holes (92) is the same as that of the Venturi tubes (3); the shape of the air outlet integrated clapboard (11) is the same as that of the air inlet integrated clapboard (9).
7. The apparatus of claim 4, wherein: the air inlet integrated partition plate (9) is an arc-shaped concave surface plate and comprises a partition plate body (91) with an arc-shaped surface, air inlet holes (92) with a circular vertical projection surface and a mounting flat plate part (93), wherein the number of the air inlet holes (92) is the same as that of the Venturi tubes (3); the air outlet integrated clapboard (11) is a flat plate.
8. The apparatus of claim 4, wherein: the spraying component (4) comprises a plurality of spraying nozzles, and the spraying direction of each spraying nozzle is obliquely and downwards arranged and arranged in each venturi straight pipe (32).
9. The apparatus of claim 3, wherein: the design air volume of each venturi tube (3) is 20000Nm3The amount of flue gas corresponding to the integrated Venturi assembly is 60000-80000 Nm3/h。
10. The apparatus of claim 1, wherein: the bottom of the liquid collection chamber (8) passes through a guide pipe, and the collected waste liquid is discharged through the guide pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920776330.8U CN210229473U (en) | 2019-05-27 | 2019-05-27 | Venturi integrated cooling and dedusting device for ship tail gas cleaning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920776330.8U CN210229473U (en) | 2019-05-27 | 2019-05-27 | Venturi integrated cooling and dedusting device for ship tail gas cleaning system |
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| CN210229473U true CN210229473U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920776330.8U Active CN210229473U (en) | 2019-05-27 | 2019-05-27 | Venturi integrated cooling and dedusting device for ship tail gas cleaning system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112267928A (en) * | 2020-09-29 | 2021-01-26 | 泉州信息工程学院 | Motor vehicle tail gas purification device and working method thereof |
| CN113770306A (en) * | 2021-08-10 | 2021-12-10 | 山东泰开环保科技有限公司 | Production method of CFB (circulating fluidized bed) semi-dry desulfurization tower casting type Venturi assembly |
| CN114699906A (en) * | 2022-03-16 | 2022-07-05 | 国能(山东)能源环境有限公司 | Stable venturi device for semidry desulfurization and evaluation model |
| CN115353239A (en) * | 2022-09-14 | 2022-11-18 | 江苏永冠给排水设备有限公司 | Novel suspension light filter material water cellar water purifier |
-
2019
- 2019-05-27 CN CN201920776330.8U patent/CN210229473U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112267928A (en) * | 2020-09-29 | 2021-01-26 | 泉州信息工程学院 | Motor vehicle tail gas purification device and working method thereof |
| CN113770306A (en) * | 2021-08-10 | 2021-12-10 | 山东泰开环保科技有限公司 | Production method of CFB (circulating fluidized bed) semi-dry desulfurization tower casting type Venturi assembly |
| CN114699906A (en) * | 2022-03-16 | 2022-07-05 | 国能(山东)能源环境有限公司 | Stable venturi device for semidry desulfurization and evaluation model |
| CN114699906B (en) * | 2022-03-16 | 2024-06-04 | 国能(山东)能源环境有限公司 | Stable venturi device for semi-dry desulfurization |
| CN115353239A (en) * | 2022-09-14 | 2022-11-18 | 江苏永冠给排水设备有限公司 | Novel suspension light filter material water cellar water purifier |
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