CN204485599U - A kind of tubular type strengthening gas-liquid mass transfer component of desulfuration spray tower - Google Patents
A kind of tubular type strengthening gas-liquid mass transfer component of desulfuration spray tower Download PDFInfo
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- CN204485599U CN204485599U CN201520172065.4U CN201520172065U CN204485599U CN 204485599 U CN204485599 U CN 204485599U CN 201520172065 U CN201520172065 U CN 201520172065U CN 204485599 U CN204485599 U CN 204485599U
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Abstract
A tubular type strengthening gas-liquid mass transfer component for desulfuration spray tower, relates to a kind of component for improving mass transfer between gas-liquid two-phase in spray column.The utility model is uneven in order to effectively solve smoke distribution in existing desulfurizing tower, and gas-liquid disturbance is little, gas-liquid mass transfer effect deviation, thus causes the problem being difficult to realize high-efficiency desulfurization.Tubular type strengthening gas-liquid mass transfer component of the present utility model is arranged between desulfuration spray tower smoke inlet and bottom spraying layer, it is made up of upper and lower two-layer tube bundle assembly, every layer of tube bundle assembly comprises the tube bank of some horizontal interval arrangements, the projection in the horizontal plane of tube bank axis in lower floor's tube bundle assembly and smoke inlet direction is mutually vertical, and the respective tube bank axis projection angle in the horizontal plane of two-layer tube bundle assembly is 0 degree to 90 degree.The utility model can reduce liquid-gas ratio and power consumption, improves smoke desulfurization efficiency, and have simple, the less scaling blocking of structure, cost low, be easy to safeguard, be convenient to produce, transport and in-site installation advantage.
Description
Technical field
The utility model relates to a kind of component for improving mass transfer between gas-liquid two-phase in spray column, is specifically related to a kind of tubular type strengthening gas-liquid mass transfer component of desulfuration spray tower, belongs to flue gas desulfurization technique field.
Background technology
The primary energy consumption of China is mainly based on coal, at present and long duration internal combustion coal thermal power generation from now on will occupy the leading position in China's power field, owing to containing a large amount of sulfur dioxide in the flue gas that coal-burning power plant discharges, if sulfur dioxide, without strictly removing process just directly discharge, will cause serious harm to environment and person health.Wet desulfurization of flue gas by limestone-gypsum method technology be the most ripe current, application achievement at most, run the most stable and the most reliable sulfur removal technology, become heat-engine plant desulfurized one preferred technique both at home and abroad.And spray column is the main flow tower on current wet desulfurization of flue gas by limestone-gypsum method absorption tower, there is the remarkable advantages such as desulfuration efficiency is high, tower inner member is few, resistance is low.Along with the enforcement of Qi thermal power plant air pollution emission new standard July 1 in 2014, the thermal power plant emission limit of sulfur dioxide being proposed to higher requirement, particularly key area requires that sulfur dioxide (SO2) emissions limit value must reach 50mg/Nm especially
3.But, gas-liquid mass transfer component is strengthened without in any tower in tradition spray column tower, smoke distribution is usual also even not, gas-liquid mass transfer is abundant not, if chimney breast sulfur dioxide (SO2) emissions value is difficult to up to standard during boiler combustion medium-high sulfur coal, therefore, what Development of Novel high-efficiency desulfurization technology just seemed very is urgent.Current, high-efficiency desulfurization technology take one very effective technology means be exactly in spray column increase strengthening gas-liquid mass transfer component, so not only can improve the uniformity of flue gas flow field, and greatly can strengthen the mass transfer between gas-liquid two-phase.
Utility model content
Give hereinafter about brief overview of the present utility model, to provide about the basic comprehension in some of the present utility model.Should be appreciated that this general introduction is not summarize about exhaustive of the present utility model.It is not that intention determines key of the present utility model or pith, neither intended limitation scope of the present utility model.Its object is only provide some concept in simplified form, in this, as the preorder in greater detail discussed after a while.
Given this, the utility model provides a kind of tubular type strengthening gas-liquid mass transfer component of desulfuration spray tower, and uneven at least to solve smoke distribution in existing desulfurizing tower, gas-liquid disturbance is little, gas-liquid mass transfer effect deviation, thus causes the problem being difficult to realize high-efficiency desulfurization.
According to an aspect of the present utility model, provide a kind of tubular type strengthening gas-liquid mass transfer component of desulfuration spray tower, this tubular type strengthening gas-liquid mass transfer component is arranged on the smoke inlet in desulfuration spray tower, and be positioned under bottom spraying layer, below adopts brace summer to support, this tubular type strengthening gas-liquid mass transfer component comprises upper strata tube bundle assembly and lower floor's tube bundle assembly, described upper strata tube bundle assembly and lower floor's tube bundle assembly from top to bottom level are fixedly mounted in desulfurizing tower, upper strata tube bundle assembly comprises some horizontal homogeneous spaced upper strata tube banks, lower floor's tube bundle assembly comprises the tube bank of some horizontal homogeneous spaced lower floors.
Further, the axis of described lower floor tube bank is mutually vertical with the projection in the horizontal plane of smoke inlet direction.
Further, the axis projection angle in the horizontal plane that the axis of described upper strata tube bank and lower floor restrain is 0 degree to 90 degree.Setting like this, can reduce liquid-gas ratio 10% to 30%.
Further, the axis projection angle in the horizontal plane that the axis of described upper strata tube bank and lower floor restrain is 20 degree.Setting like this, can reduce liquid-gas ratio about 20%.
Further, the cross sectional shape of the tube bank of described upper strata and lower floor's tube bank is circle, ellipse or is inverted water-drop-shaped.Setting like this, increases gas-liquid disturbance better, strengthens gas-liquid mass transfer, improves smoke desulfurization efficiency.
Further, the distance between the upper and lower of described upper strata tube bundle assembly and lower floor's tube bundle assembly is between 50mm to 200mm.Setting like this, increases gas-liquid disturbance better, strengthens gas-liquid mass transfer, improves smoke desulfurization efficiency.
Further, the material of described tubular type strengthening gas-liquid mass transfer component is polypropylene or RPP.The effect that the tubular type strengthening gas-liquid mass transfer component of a kind of desulfuration spray tower that the utility model proposes reaches is: adopt tubular type strengthening gas-liquid mass transfer component device not only can realize carrying out effective rectification to air-flow in absorption tower, improve the uniformity of flue gas flow field, improve gas-liquid mass transfer in tower; And arrange up and down due to two layers of tube bundle assembly, between horizontal tube bundle in every layer of tube bundle assembly, flow area is just similar to venturi shape, greatly can increase the disturbance of gas on horizontal two-dimension direction like this, and strong turbosphere can be produced above tube bank layer from the slurries of spraying layer ejection, change conventional " liquid-in-gas " mass transport process, become the mass transport process of " gas-in-liquid ", significantly enhance the mass transfer between gas-liquid, thus can smoke desulfurization efficiency be significantly improved, reduce liquid-gas ratio and power consumption.This tubular type strengthening gas-liquid mass transfer component also has simple, the less scaling blocking of structure, is easy to maintenance, advantage with low cost.Conveniently produce, transport and in-site installation, whole tubular type strengthening gas-liquid mass transfer component can adopt modular mode to produce and assembling.
Accompanying drawing explanation
Fig. 1 is the structural representation of the tubular type strengthening gas-liquid mass transfer component according to the desulfuration spray tower of embodiment of the present utility model;
Fig. 2 is that upper strata tube bank restrains with lower floor the schematic diagram being in plumbness;
Fig. 3 is upper strata tube bundle assembly top view (axis that upper strata is restrained and the axis projection in the horizontal plane that lower floor restrains are that acute angle is arranged);
Tu4Shi lower floor tube bundle assembly top view;
Fig. 5 is the top view (axis that upper strata is restrained and the axis that lower floor restrains projection angle are in the horizontal plane 20 degree) of upper strata tube bundle assembly and lower floor's tube bundle assembly.
In figure: 1-smoke inlet; 2-bottom spraying layer; 3-desulfuration spray tower; 4-upper strata is restrained; 5-lower floor restrains; 6-module frame.
Detailed description of the invention
To be described one exemplary embodiment of the present utility model by reference to the accompanying drawings hereinafter.For clarity and conciseness, all features of actual embodiment are not described in the description.But, should understand, must make a lot specific to the decision of embodiment in the process of any this practical embodiments of exploitation, to realize the objectives of developer, such as, meet those restrictive conditions relevant to system and business, and these restrictive conditions may change to some extent along with the difference of embodiment.In addition, although will also be appreciated that development is likely very complicated and time-consuming, concerning the those skilled in the art having benefited from the utility model disclosure, this development is only routine task.
At this, also it should be noted is that, in order to avoid the utility model fuzzy because of unnecessary details, illustrate only in the accompanying drawings with according to the closely-related apparatus structure of scheme of the present utility model and/or treatment step, and eliminate other details little with the utility model relation.
As depicted in figs. 1 and 2, embodiment of the present utility model provides a kind of tubular type strengthening gas-liquid mass transfer component of desulfuration spray tower, this tubular type strengthening gas-liquid mass transfer component is arranged on the smoke inlet 1 in desulfuration spray tower 3, and be positioned under bottom spraying layer 2, below uses brace summer to support, it comprises upper strata tube bundle assembly and lower floor's tube bundle assembly, described levels tube bundle assembly is all be made up of the some spaced tube banks of horizontal homogeneous, described tubular type strengthening gas-liquid mass transfer forms employing modular mode and produces and assembling, as shown in Figure 5, upper strata tube bank 4 and lower floor restrain 5 two ends and are all fixed on each module frame 6, whole component is exactly be made up of mutually with minority abnormity module (using at wall place, spray column limit) several such standard modules, the axis of described lower floor tube bank 5 is mutually vertical with the projection in the horizontal plane of smoke inlet 1 direction.The axis projection angle in the horizontal plane that the axis of described upper strata tube bank 4 and lower floor restrain 5 is 90 degree.Setting like this, can reduce liquid-gas ratio about 20%.The cross sectional shape of described upper strata tube bank 4 and lower floor's tube bank 5 is circle.Setting like this, increases gas-liquid disturbance better, strengthens gas-liquid mass transfer, improves desulfuration efficiency.The H of distance between the upper and lower of described upper strata tube bundle assembly and lower floor's tube bundle assembly is 90mm.Setting like this, increases gas-liquid disturbance better, strengthens gas-liquid mass transfer, improves desulfuration efficiency.Described tubular type strengthening gas-liquid mass transfer component material is polypropylene.
In addition, according to a kind of implementation, as shown in Figure 4 and Figure 5, the axis projection angle in the horizontal plane that the axis of upper strata tube bank 4 described in the tubular type strengthening gas-liquid mass transfer component of a kind of desulfuration spray tower and lower floor restrain 5 can also be 20 degree.Setting like this, can reduce liquid-gas ratio about 20%.
In addition, according to a kind of implementation, the cross sectional shape of described upper strata tube bank 4 and lower floor's tube bank 5 is ellipse, and the H of distance between the upper and lower of upper strata tube bundle assembly and lower floor's tube bundle assembly is 100mm, and whole tubular type strengthening gas-liquid mass transfer component material is RPP.
Moreover according to a kind of implementation, the cross sectional shape of described upper strata tube bank 4 and lower floor's tube bank 5 is inversion water-drop-shaped, the H of distance between the upper and lower of upper strata tube bundle assembly and lower floor's tube bundle assembly is 95mm, and whole tubular type strengthening gas-liquid mass transfer component material is RPP.
Known by describing above, the tubular type strengthening gas-liquid mass transfer component of above-mentioned a kind of desulfuration spray tower according to embodiment of the present utility model, adopt tubular type strengthening gas-liquid mass transfer component device not only can realize carrying out effective rectification to air-flow in absorption tower, improve the uniformity of flue gas flow field, improve gas-liquid mass transfer in tower; And arrange up and down because two layers of tube bundle assembly adopt, between horizontal tube bundle in every layer of tube bundle assembly, flow area is just similar to venturi shape, greatly can increase the disturbance of gas on horizontal two-dimension direction like this, and the slurries fallen produce the high turbosphere of 100 ~ 300mm above tube bank layer, change conventional " liquid-in-gas " mass transport process, become the mass transport process of " gas-in-liquid ", enhance the mass transfer between gas-liquid significantly, thus can smoke desulfurization efficiency be significantly improved, reduce liquid-gas ratio and power consumption.This tubular type strengthening gas-liquid mass transfer component also has simple, the less scaling blocking of structure, is easy to maintenance, advantage with low cost.Conveniently produce, transport and in-site installation, whole tubular type strengthening gas-liquid mass transfer component adopts modular mode to produce and assembling.
Claims (6)
1. the tubular type strengthening gas-liquid mass transfer component of a desulfuration spray tower, this tubular type strengthening gas-liquid mass transfer component is arranged on the smoke inlet (1) in desulfuration spray tower (3), and be positioned under bottom spraying layer (2), below adopts brace summer to support, it is characterized in that: this strengthening gas-liquid mass transfer component comprises upper strata tube bundle assembly and lower floor's tube bundle assembly, described upper strata tube bundle assembly and lower floor's tube bundle assembly from top to bottom level are fixedly mounted in desulfurizing tower (3), upper strata tube bundle assembly comprises some spaced upper stratas tube bank (4) of horizontal homogeneous, lower floor's tube bundle assembly comprises some spaced lower floors' tube bank (5) of horizontal homogeneous.
2. the tubular type strengthening gas-liquid mass transfer component of a kind of desulfuration spray tower according to claim 1, is characterized in that: the axis of described lower floor's tube bank (5) is mutually vertical with the projection in the horizontal plane of smoke inlet (1) direction.
3. the tubular type strengthening gas-liquid mass transfer component of a kind of desulfuration spray tower according to claim 1 and 2, is characterized in that: the axis projection angle in the horizontal plane that (5) are restrained by the axis of described upper strata tube bank (4) and lower floor is 0 degree to 90 degree.
4. the tubular type strengthening gas-liquid mass transfer component of a kind of desulfuration spray tower according to claim 3, is characterized in that: the axis projection angle in the horizontal plane that (5) are restrained by the axis of described upper strata tube bank (4) and lower floor is 20 degree.
5. the tubular type strengthening gas-liquid mass transfer component of a kind of desulfuration spray tower according to claim 1, is characterized in that: the cross sectional shape of described upper strata tube bank (4) and lower floor's tube bank (5) is circle, ellipse or is inverted water-drop-shaped.
6. the tubular type strengthening gas-liquid mass transfer component of a kind of desulfuration spray tower according to claim 1, is characterized in that: the distance (H) between the upper and lower of described upper strata tube bundle assembly and lower floor's tube bundle assembly is between 50mm to 200mm.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105477896A (en) * | 2015-12-23 | 2016-04-13 | 烟台龙源电力技术股份有限公司 | Wet process desulphurization demisting device and wet process desulphurization device |
| CN106378269A (en) * | 2016-11-10 | 2017-02-08 | 吉首大学 | Efficient spray tower using ellipse optical focus property |
| CN106669407A (en) * | 2017-01-22 | 2017-05-17 | 大唐环境产业集团股份有限公司 | Turbulence device with multi-layered elliptical rods |
| CN114788995A (en) * | 2022-04-28 | 2022-07-26 | 中国华电科工集团有限公司 | Low-resistance energy-saving slurry spraying system for wet desulphurization and desulfurizing tower |
| CN114797409A (en) * | 2022-04-28 | 2022-07-29 | 中国华电科工集团有限公司 | Slurry spraying system for wet desulphurization and integrative tower of wet desulphurization and chimney |
| CN114849436A (en) * | 2022-04-28 | 2022-08-05 | 中国华电科工集团有限公司 | Low-resistance energy-saving wet desulphurization slurry spraying system and desulphurization, dehumidification and integration tower |
-
2015
- 2015-03-25 CN CN201520172065.4U patent/CN204485599U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105477896A (en) * | 2015-12-23 | 2016-04-13 | 烟台龙源电力技术股份有限公司 | Wet process desulphurization demisting device and wet process desulphurization device |
| CN106378269A (en) * | 2016-11-10 | 2017-02-08 | 吉首大学 | Efficient spray tower using ellipse optical focus property |
| CN106378269B (en) * | 2016-11-10 | 2019-04-05 | 吉首大学 | A kind of high-efficiency spray tower using elliptic optical focal property |
| CN106669407A (en) * | 2017-01-22 | 2017-05-17 | 大唐环境产业集团股份有限公司 | Turbulence device with multi-layered elliptical rods |
| CN114788995A (en) * | 2022-04-28 | 2022-07-26 | 中国华电科工集团有限公司 | Low-resistance energy-saving slurry spraying system for wet desulphurization and desulfurizing tower |
| CN114797409A (en) * | 2022-04-28 | 2022-07-29 | 中国华电科工集团有限公司 | Slurry spraying system for wet desulphurization and integrative tower of wet desulphurization and chimney |
| CN114849436A (en) * | 2022-04-28 | 2022-08-05 | 中国华电科工集团有限公司 | Low-resistance energy-saving wet desulphurization slurry spraying system and desulphurization, dehumidification and integration tower |
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Effective date of registration: 20160929 Address after: 150046, Harbin Province, Xiangfang District, the three power road, No. 309, No. Patentee after: Harbin boiler factory environmental protection engineering technology Co., Ltd. Address before: 150040 No. three power Road 39, Xiangfang District, Heilongjiang, Harbin Patentee before: HARBIN ELECTRIC COMPANY LIMITED |