CN202740998U - Bend type spouting pipe - Google Patents
Bend type spouting pipe Download PDFInfo
- Publication number
- CN202740998U CN202740998U CN201220474957.6U CN201220474957U CN202740998U CN 202740998 U CN202740998 U CN 202740998U CN 201220474957 U CN201220474957 U CN 201220474957U CN 202740998 U CN202740998 U CN 202740998U
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- pipe
- main pipe
- nozzle
- tail
- pipe body
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Abstract
The utility model discloses a bend type spouting pipe, which is applied to a liquid-column bidirectional spray tower in a thermal power plant wet desulphurization technology. The bend type spouting pipe comprises a main pipe body and a plurality of nozzles and nozzle pup joint pipes which are arranged on the main pipe body, and is characterized in that the main pipe body is a conical reducing pipe with large head and small tail; the heights of the nozzle pup joint pipes on the main pipe body are kept in the same horizontal line; the tail nozzle pup joint pipe is connected with the main pipe body through a bend; a plurality of supports are arranged on the main pipe body; and the tail of the main pipe body is provided with a tail support. According to the bend type spouting pipe, the problem that solid substance deposition is easily generated at the tail of the spouting pipe so as to block the nozzles due to extremely low flow velocity is solved, so that the utilization rate of a desulphurization device is improved, and the desulphurization efficiency is improved.
Description
Technical field
The utility model relates to a kind of desulfuration absorbing tower shotcrete pipe, particularly discloses a kind of bent tube type shotcrete pipe, is used for the heat-engine plant wet flue gas desulphurization system.
Background technology
The sulfur content that uses coal along with domestic and international thermal power plant is more and more higher, pollutant emission requires more and more tighter, desulfuration efficiency for desulphurization system requires more and more higher, the Wet Flue Gas Desulfurization Technique of fluid column formula Bidirectional spray tower (having another name called liquid column tower) is existing at home and abroad to be used widely, achievement ranks front lance, its high desulfuration efficiency is especially outstanding, U-shaped liquid column tower high desulfurization efficiency when using the high-sulfur coal kind can reach more than 99.5%, the shotcrete pipe that uses at present is isometrical or the reducing pipe, the absorbent slurry that in desulfuration absorbing tower, pumps into, through shotcrete pipe with distribution of slurry to n nozzle, form the continuous strong gas-liquid collision layer of certain altitude, the absorption sulfur dioxide in the flue gas in the tower of flowing through, sulfur trioxide reaches the ability of high-efficiency desulfurization.But, exist slurry flow rate in the shotcrete pipe to reduce gradually with flow and more and more low, make the flow between each nozzle different with jet velocity on the one hand, unfavorable to improving desulfuration efficiency, simultaneously, even adopt the undergauge shotcrete pipe, shotcrete pipe afterbody flow velocity is still excessively low, is in operation to be easier to produce solid matter deposition and the problem of plug nozzle shortens the work period, reduce the availability of desulfurizer, strengthened maintenance workload.
Summary of the invention
The purpose of this utility model is to solve in the prior art because the excessively low problem that causes the deposited material plug nozzle of shotcrete pipe afterbody flow velocity, design a kind of bent tube type shotcrete pipe, before last nozzle endways, still can keep intrinsic flow velocity, guarantee can not produce because of low flow velocity the situation of spray nozzle clogging.
The utility model is achieved in that a kind of bent tube type shotcrete pipe, be applied on the heat-engine plant wet desulfur technology fluid column formula Bidirectional spray tower, comprise several nozzles and nozzle nipple on main pipe and the main pipe, it is characterized in that: described main pipe adopts the little circular cone reducing pipe of a large tail, several nozzle nipple height on the main pipe keep in the same horizontal line, and the nozzle nipple at end adopts bend pipe to be connected with the main pipe.Described main pipe is provided with several supports, and afterbody also is provided with tail support.
The utility model bent tube type shotcrete pipe is the problem that exists for the shotcrete pipe of prior art specially and the novel spraying pipe of researching and developing, and changes equal diameter pipe or the circular cone pipeline of former body into form that afterbody adopts bend pipe to connect.The absorbent slurry that pumps in the desulfuration absorbing tower, through this shotcrete pipe slurries are uniformly distributed to several nozzles, end takes bend pipe directly to link to each other with the afterbody nozzle, bore is taken over internal diameter with nozzle, make the interior slurry flow rate of pipe behind each arm nozzle ejection slurries, before namely being last nozzle endways, can also keep intrinsic flow velocity.The liquid-column height that sprays for each nozzle that guarantees on the shotcrete pipe is vertical and consistent, keeps the Up Highway UHW level of shotcrete pipe, and short tube is installed on the horizontal bus, and nozzle is mixed by apart from one line in position, short tube hole.The utility model remains in the deviation range of permission guaranteeing can the flow of each nozzle and jet velocity to be equated substantially because of when hanging down flow velocity generation obstruction, thereby improves the availability of desulfurizer, has improved desulfuration efficiency.In addition, the utility model bend pipe shotcrete pipe is to high concentration with contain a small amount of oarse-grained slurries and still can play the effect that prevents the nozzle blockage of spray pipe.
The beneficial effects of the utility model are: the utility model bent tube type shotcrete pipe is compared with the shotcrete pipe of prior art, can not only make the interior slurry flow rate of pipe behind each arm nozzle ejection slurries, keep original flow velocity, the nozzle that can also guarantee afterbody keeps certain flow velocity, slurries are uniformly distributed to each nozzle, the flow of each nozzle and jet velocity are equated substantially.The utility model has solved the shotcrete pipe afterbody and has crossed the low problem that easily produces solid matter deposition plug nozzle because of flow velocity, thereby has improved the availability of desulfurizer, has improved desulfuration efficiency.
Description of drawings
Fig. 1 is the utility model structural representation.
Among the figure: 1, main pipe; 2, Taper Pipe; 3, square flange; 4, nozzle nipple; 5, nozzle; 6, afterbody bend pipe; 7, tail support; 8, support.
The specific embodiment
With reference to the accompanying drawings, a kind of bent tube type shotcrete pipe of the utility model is applied to comprise several nozzles 5 and nozzle nipple 4 on main pipe 1 and the main pipe on the heat-engine plant wet desulfur technology fluid column formula Bidirectional spray tower.Main pipe 1 adopts the large little circular cone reducing pipe of tail of head, namely is cone shape canalis spinalis 2, and several nozzle nipples 4 on the main pipe 1 highly keep in the same horizontal line, and the nozzle nipple at end adopts bend pipe 6 to be connected with main pipe 1.Main pipe 1 is provided with several and supports 8, and afterbody also is provided with tail support 7.
The utility model adopts and makes with the glass-reinforced plastic material of wearing layer, anticorrosion antiwear, the shotcrete pipe semi-automatic winding method of wrapping machine, the inner level and smooth welding of afterbody bend pipe.The utility model is all can be suitable between 0.01 ~ 0.6MPa in main pipe's operating pressure.
The utility model bent tube type shotcrete pipe changes equal diameter pipe or the circular cone pipeline of prior art body into form that afterbody adopts bend pipe to connect.The absorbent slurry that pumps in the desulfuration absorbing tower, through this shotcrete pipe slurries are uniformly distributed to several nozzles, the shotcrete pipe end takes bend pipe directly to link to each other with the afterbody nozzle, bore is identical with nozzle nipple internal diameter, make the interior slurry flow rate of pipe behind each arm nozzle ejection slurries, namely before endways last nozzle, can also keep intrinsic flow velocity.The liquid-column height that sprays for each nozzle that guarantees on the shotcrete pipe is vertical and consistent, keeps the Up Highway UHW level of shotcrete pipe, and the nozzle nipple is installed on the horizontal bus, and nozzle is mixed by apart from one line in the position, hole of nozzle nipple.The utility model remains in the deviation range of permission guaranteeing can the flow of each nozzle and jet velocity to be equated substantially because of when hanging down flow velocity generation obstruction, thereby improves the availability of desulfurizer, has improved desulfuration efficiency.In addition, the utility model bend pipe shotcrete pipe is to high concentration with contain a small amount of oarse-grained slurries and still can play the effect that prevents the nozzle blockage of spray pipe.
Claims (2)
1. bent tube type shotcrete pipe, be applied on the heat-engine plant wet desulfur technology fluid column formula Bidirectional spray tower, comprise several nozzles and nozzle nipple on main pipe and the main pipe, it is characterized in that: described main pipe adopts the little circular cone reducing pipe of a large tail, several nozzle nipple height on the main pipe keep in the same horizontal line, and the nozzle nipple at end adopts bend pipe to be connected with the main pipe.
2. described bent tube type shotcrete pipe according to claim 1, it is characterized in that: described main pipe is provided with several supports, and afterbody also is provided with tail support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220474957.6U CN202740998U (en) | 2012-09-18 | 2012-09-18 | Bend type spouting pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220474957.6U CN202740998U (en) | 2012-09-18 | 2012-09-18 | Bend type spouting pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202740998U true CN202740998U (en) | 2013-02-20 |
Family
ID=47700449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220474957.6U Expired - Lifetime CN202740998U (en) | 2012-09-18 | 2012-09-18 | Bend type spouting pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202740998U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107362593A (en) * | 2017-08-02 | 2017-11-21 | 上海中芬新能源投资有限公司 | Slurries weight particulate matter ON-LINE SEPARATION device for wet method fume desulfurizing system |
| CN112495307A (en) * | 2020-10-27 | 2021-03-16 | 中国船舶重工集团公司第七0三研究所 | Feeding distributor for waste alkali oxidation reactor |
-
2012
- 2012-09-18 CN CN201220474957.6U patent/CN202740998U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107362593A (en) * | 2017-08-02 | 2017-11-21 | 上海中芬新能源投资有限公司 | Slurries weight particulate matter ON-LINE SEPARATION device for wet method fume desulfurizing system |
| CN107362593B (en) * | 2017-08-02 | 2019-12-27 | 上海中芬新能源投资有限公司 | Slurry heavy particulate matter online separation device for wet flue gas desulfurization system |
| CN112495307A (en) * | 2020-10-27 | 2021-03-16 | 中国船舶重工集团公司第七0三研究所 | Feeding distributor for waste alkali oxidation reactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130220 |
|
| CX01 | Expiry of patent term |