CN207871876U - A kind of wet desulphurization swirling flow atomizing spray equipment - Google Patents

A kind of wet desulphurization swirling flow atomizing spray equipment Download PDF

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Publication number
CN207871876U
CN207871876U CN201721583919.3U CN201721583919U CN207871876U CN 207871876 U CN207871876 U CN 207871876U CN 201721583919 U CN201721583919 U CN 201721583919U CN 207871876 U CN207871876 U CN 207871876U
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CN
China
Prior art keywords
horizontal
spray tube
layer
spray
swirling flow
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Expired - Fee Related
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CN201721583919.3U
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Chinese (zh)
Inventor
贾西部
陈伟雄
高�浩
张双平
袁园
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China Datang Corp Science and Technology Research Institute Co Ltd Northwest Branch
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China Datang Corp Science and Technology Research Institute Co Ltd Northwest Branch
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Abstract

The utility model discloses a kind of wet desulphurization swirling flow atomizing spray equipment, including desulfurizing tower tower body, it is respectively arranged with desulfurization slurry pond from bottom to up in the desulfurizing tower tower body, smoke inlet, spray tube layer, demister and exhanst gas outlet, there is circulating pump by piping connection between the desulfurization slurry pond and the spray tube layer, the spray tube layer includes Multi-layer sprinkling pipe group, it is respectively arranged with multiple nozzles in every layer of spray tube group, wherein, the port of the nozzle in the spray tube group of top is arranged downward, the port of the nozzle in the spray tube group of non-top layer is arranged towards same direction of rotation in the horizontal plane.The wet desulphurization swirling flow atomizing spray equipment of the utility model can be such that desulfurization slurry is tangentially run with concentric circles inside desulfurizing tower, effectively drive the rotation of flue gas, improve the vector flow velocity of flue gas, extend vapour-liquid time of contact, cut down the liquid carry over of flue gas, the effect that can be evenly distributed with flue gas flow rate is also functioned to simultaneously, alleviates the burden of demister.

Description

A kind of wet desulphurization swirling flow atomizing spray equipment
Technical field
The utility model belongs to coal fired power plant Wet Flue Gas Desulfurization Technique field, more particularly, to a kind of wet desulphurization swirling flow atomizing Spray equipment.
Background technology
The SO that coal fired power plant generates2The widely used tower Limestone-gypsum Wet Flue Gas Desulfurization Process technology of pollutant is removed, and is Desulfurizing tower desulfuration efficiency is improved, mostly uses Multi-layer sprinkling layer at present to lime stone slurry atomizing spray, the atomized liquid in desulfurizing tower Drop comes into full contact with flue gas, carries out SO2Pollutant removing.In order to improve the desulfuration efficiency on absorption tower, mainly using:Increase The amount of spray droplet and smoke contacts, that is, improve liquid-gas ratio;Or increase the time of spray droplet and smoke contacts, that is, improve gas Liquid time of contact.And it is single for spraying layer, generally use burner design unidirectionally descended for single head nozzle, double end unidirectionally descend nozzle, The arrangement of the two-way 180 ° of nozzles of double end, spraying layer is nozzle under multilayer installation unidirectionally, the unidirectional lower nozzle of top layer installation+other The modes such as the layer installation two-way 180 ° of nozzle of double end;However, the nozzle arranged in this way is easy that atomized drop is made to be carried by flue gas, To increase desulfurizer mist eliminator load.
Utility model content
In order to solve the above problem, the purpose of this utility model is to provide a kind of wet desulphurization swirling flow atomizing spray equipment, The device can be such that desulfurization slurry is tangentially run with concentric circles inside desulfurizing tower, effectively drive the rotation of flue gas, can be evenly distributed with flue gas Flow velocity, improve the vector flow velocity of flue gas, extend vapour-liquid time of contact, cut down the liquid carry over of flue gas, alleviate the negative of demister Load.
In order to achieve the above object, the utility model is resolved using following technical scheme.
The content of the utility model proposes a kind of wet desulphurization swirling flow atomizing spray equipment, including desulfurizing tower tower body, described Desulfurization slurry pond, smoke inlet, spray tube layer, demister and exhanst gas outlet are respectively arranged in desulfurizing tower tower body from bottom to up, There is circulating pump by piping connection between the desulfurization slurry pond and the spray tube layer, which is characterized in that the spray tube layer Including Multi-layer sprinkling pipe group, it is respectively arranged with multiple nozzles in every layer of spray tube group, wherein the spray tube of top The port of the nozzle in group arranges that the port of the nozzle in the spray tube group of non-top layer is in the horizontal plane downward It is arranged towards same direction of rotation.
Wet desulphurization swirling flow atomizing spray equipment according to the present utility model, the slurries in desulfurization slurry pond are in circulating pump Effect is lower to be sprayed by each nozzle, and spray tube layer includes Multi-layer sprinkling pipe group, is respectively arranged in every layer of spray tube group multiple The port of nozzle, the nozzle in the spray tube group of non-top layer arranges towards same direction of rotation in the horizontal plane, and slurries are from non-top layer Nozzle spray, can tangentially be run with concentric circles inside desulfurizing tower, effectively driven the rotation of desulfurizing tower inside smoke, to inhale It receives the flue gas flow rate inside tower and plays uniformly distributed effect, while ensuring absorption tower inside smoke absolute flow velocity, improve cigarette The vector flow velocity of gas extends the time of contact of spray atomizing drop and flue gas, spray atomizing drop tangential motion, abatement The liquid carry over of flue gas, and then alleviate the burden of demister.Meanwhile the spray tube group of top sprays downwards, can also play and subtract The effect of the carrying amount of spray atomizing drop in few flue gas.The wet desulphurization swirling flow atomizing spray equipment structure letter of the utility model It is single, it is highly practical, in the wet desulphurization device that can be widely used for coal fired power plant.
Preferably, the spray tube group of non-top layer includes horizontal manifold, the middle part phase point of the horizontal manifold Every both ends are respectively arranged with feed inlet, and the both sides horizontal connection of the horizontal manifold has multiple horizontal branch pipees, each level Branch pipe is bent in an arc shape in 180 °, is connected separately with multiple jet pipes on the downside of each horizontal branch pipe, the nozzle is connected to often On the port of a jet pipe.
Preferably, the arc core of multiple horizontal branch pipees of the same side of the horizontal manifold coincides.
Preferably, the horizontal branch pipe of the both sides of the horizontal manifold is in the center of circle with the midpoint of the horizontal manifold It is symmetrical.
Preferably, tangential direction of the port of the nozzle on the jet pipe towards the horizontal branch pipe.
Wet desulphurization swirling flow atomizing spray equipment according to the present utility model, in the spray tube group of non-top layer, horizontal manifold Middle part be mutually separated, both ends are respectively arranged with feed inlet, and the both sides horizontal connection of horizontal manifold, which has, multiple to be in 180 ° and be bent in an arc shape Horizontal branch pipe, the arc core of multiple horizontal branch pipees of the same side of horizontal manifold coincides, and with the midpoint of horizontal manifold in circle The heart is symmetrical;The number of rings of horizontal branch pipe can carry out reasonable Arrangement according to the real radius inside desulfuration absorbing tower.When slurries by When feed inlet enters horizontal manifold, slurries arc in horizontal branch pipe is run, then passes through multiple jet pipes on the downside of horizontal branch pipe Nozzle sprays, since the port of each nozzle is arranged towards same direction of rotation in the horizontal plane, slurries are sprayed from nozzle Afterwards, just the point inside desulfurizing tower using the midpoint with horizontal manifold on same vertical line is tangentially transported as center of circle progress concentric circles Row, when flue gas runs up the slurries for encountering ejection, slurries can drive flue gas to rotate, and the flow velocity of uniformly distributed flue gas extends spray The time of contact of atomized drop and flue gas increases exposure level, cuts down the liquid carry over of flue gas, to alleviate the burden of demister; In addition, in the spray tube group of non-top layer, the nozzle of the horizontal branch pipe of the horizontal sides manifold most outer connection is inscribed within de- as far as possible Thus the inner wall on sulphur absorption tower can weaken or even sprayed slurry is avoided to be washed away to absorbing inner wall of tower.
Description of the drawings
The utility model is described in further details in the following with reference to the drawings and specific embodiments.
Fig. 1 is the overall structure diagram of the wet desulphurization swirling flow atomizing spray equipment of the utility model;
Fig. 2 is the overlooking structure diagram of spray tube group in Fig. 1;
Fig. 3 be in Fig. 1 non-top layer spray tube group along the cross-sectional view of horizontal manifold.
In figs. 1 to 3:1 desulfurization slurry pond;2 smoke inlets;3 spray tube layer;4 demisters;5 exhanst gas outlets;6 cycles Pump;7 spray tube groups;701 horizontal manifold;702 feed inlets;703 horizontal branch pipees;704 jet pipes;8 nozzles.
Specific implementation mode
With reference to figure 1 and Fig. 2, the wet desulphurization swirling flow atomizing that the embodiment of content according to the present utility model is proposed sprays Device, including desulfurizing tower tower body, be respectively arranged with from bottom to up in the desulfurizing tower tower body desulfurization slurry pond 1, smoke inlet 2, Tube layer 3, demister 4 and exhanst gas outlet 5 are sprayed, is had by piping connection between the desulfurization slurry pond 1 and the spray tube layer 3 Circulating pump 6, the spray tube layer 3 include Multi-layer sprinkling pipe group 7, and multiple nozzles are respectively arranged in every layer of spray tube group 7 8, wherein the port of the nozzle 8 in the spray tube group 7 of top arranges downward, the spray tube group 7 of non-top layer On the nozzle 8 port in the horizontal plane towards same direction of rotation arrange.
In the embodiment above, the slurries in desulfurization slurry pond 1 are sprayed under the action of circulating pump 6 by each nozzle 8, It includes Multi-layer sprinkling pipe group 7 to spray tube layer 3, and multiple nozzles 8, the spray tube of non-top layer are respectively arranged in every layer of spray tube group 7 The port of nozzle 8 in group 7 arranges that slurries are sprayed from the nozzle 8 of non-top layer towards same direction of rotation in the horizontal plane, can be de- It is tangentially run with concentric circles inside sulphur tower, as shown in phantom in Figure 2, has effectively driven the rotation of desulfurizing tower inside smoke, to inhaling It receives the flue gas flow rate inside tower and plays uniformly distributed effect, while ensuring absorption tower inside smoke absolute flow velocity, improve cigarette The vector flow velocity of gas, that is, extend the time of contact of spray atomizing drop and flue gas, increases spray atomizing drop and flue gas Exposure level has cut down the liquid carry over of flue gas, and then alleviates the demisting burden of demister.Spray in the spray tube group 7 of top First 8 port arranges that the slurries sprayed touch the slurries that non-top layer sprays out during downward spray, with it downward It can be atomized in desulfurizing tower inner eddy flow with it after mixing, and flue gas driven to rotate, extended the time of contact of flue gas and slurries, increase The big exposure level of spray atomizing drop and flue gas;Meanwhile the spray tube group 7 of top sprays downwards, can also play and subtract The effect of the carrying amount of spray atomizing drop in few flue gas.The wet desulphurization swirling flow atomizing spray equipment structure letter of the utility model It is single, it is highly practical, in the wet desulphurization device that can be widely used for coal fired power plant.
Referring to figs. 2 and 3, the spray tube group 7 of one embodiment according to the present utility model, non-top layer includes The middle part of horizontal manifold 701, the horizontal manifold 701 are mutually separated, and both ends are respectively arranged with feed inlet 702, the horizontal manifold 701 both sides horizontal connection has multiple horizontal branch pipees 703, and each horizontal branch pipe 703 is bent in an arc shape in 180 °, each described The downside of horizontal branch pipe 703 is connected separately with multiple jet pipes 704, and the nozzle 8 is connected to the port of each jet pipe 704 On.
One embodiment according to the present utility model, multiple horizontal branch pipees 703 of the same side of the horizontal manifold 701 Arc core coincides.
One embodiment according to the present utility model, the horizontal branch pipe 703 of the both sides of the horizontal manifold 701 is with institute The midpoint for stating horizontal manifold 701 is symmetrical in the center of circle.
One embodiment according to the present utility model, the port of the nozzle 8 on the jet pipe 704 is towards the horizontal branch pipe 702 tangential direction.
In the embodiment above, in the spray tube group 7 of non-top layer, the middle part of horizontal manifold 701 is mutually separated, and both ends are set respectively It is equipped with feed inlet 702, it is in 180 ° of horizontal branch pipees being bent in an arc shape 703 that the both sides horizontal connection of horizontal manifold 701, which has multiple, horizontal The arc core of multiple horizontal branch pipees 703 of the same side of manifold 701 coincides, and symmetrical in the center of circle with the midpoint of horizontal manifold 701 Distribution;The number of rings of horizontal branch pipe 703 can carry out reasonable Arrangement according to the real radius inside desulfuration absorbing tower.When slurries are by feeding When mouth 702 enters horizontal manifold 701, slurries arc in horizontal branch pipe 703 is run, then passes through the more of 703 downside of horizontal branch pipe The nozzle 8 of a jet pipe 704 sprays, since the port of each nozzle 8 is arranged towards same direction of rotation in the horizontal plane, slurry Liquid is after the ejection of nozzle 8, and just the point inside desulfurizing tower using the midpoint with horizontal manifold 701 on same vertical line is the center of circle It carries out concentric circles tangentially to run, when flue gas runs up the slurries for encountering ejection, slurries can drive flue gas to rotate, uniformly distributed flue gas Flow velocity, extend the time of contact of spray atomizing drop and flue gas, increase exposure level, cut down the liquid carry over of flue gas, to slow Solve the burden of demister;In addition, in the spray tube group 7 of non-top layer, the horizontal branch pipe of 701 sides horizontal manifold most outer connection 703 nozzle 8 is inscribed within the inner wall of desulfuration absorbing tower as far as possible, thus can weaken or even avoid sprayed slurry to absorbing inner wall of tower Wash away;It can be flexibly arranged by the nozzle 8 on the inside each horizontal branch pipe 703 of the horizontal branch pipe 703 of most outer, effectively avoided Interference to the injection of its 703 upper nozzle 8 of outer layer horizontal branch pipe.
Obviously, those skilled in the art can carry out the utility model various modification and variations without departing from this practicality Novel spirit and scope.If in this way, these modification and variations of the utility model belong to the utility model claims and Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.

Claims (5)

1. a kind of wet desulphurization swirling flow atomizing spray equipment, including desulfurizing tower tower body, divide from bottom to up in the desulfurizing tower tower body It is not provided with desulfurization slurry pond (1), smoke inlet (2), spray tube layer (3), demister (4) and exhanst gas outlet (5), the desulfurization There is circulating pump (6) by piping connection between slurry pool (1) and the spray tube layer (3), which is characterized in that the spray tube layer (3) include Multi-layer sprinkling pipe group (7), be respectively arranged with multiple nozzles (8) in every layer of spray tube group (7), wherein top The spray tube group (7) on the port of the nozzle (8) arrange downward, the institute on the spray tube group (7) of non-top layer The port for stating nozzle (8) is arranged towards same direction of rotation in the horizontal plane.
2. wet desulphurization swirling flow atomizing spray equipment according to claim 1, which is characterized in that the spray of non-top layer Pipe group (7) includes (701) horizontal manifold, is mutually separated in the middle part of the horizontal manifold (701), both ends are respectively arranged with feed inlet (702), the both sides horizontal connection of the horizontal manifold (701) has multiple horizontal branch pipees (703), each horizontal branch pipe (703) it is bent in an arc shape in 180 °, multiple jet pipes (704), the spray is connected separately on the downside of each horizontal branch pipe (703) Head (8) is connected on the port of each jet pipe (704).
3. wet desulphurization swirling flow atomizing spray equipment according to claim 2, which is characterized in that the horizontal manifold (701) arc core of multiple horizontal branch pipees (703) of the same side coincides.
4. wet desulphurization swirling flow atomizing spray equipment according to claim 3, which is characterized in that the horizontal manifold (701) horizontal branch pipe (703) of both sides is symmetrical in the center of circle with the midpoint of the horizontal manifold (701).
5. wet desulphurization swirling flow atomizing spray equipment according to any one of claim 2 to 4, which is characterized in that described Tangential direction of the port of nozzle (8) on jet pipe (704) towards the horizontal branch pipe (703).
CN201721583919.3U 2017-11-23 2017-11-23 A kind of wet desulphurization swirling flow atomizing spray equipment Expired - Fee Related CN207871876U (en)

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Application Number Priority Date Filing Date Title
CN201721583919.3U CN207871876U (en) 2017-11-23 2017-11-23 A kind of wet desulphurization swirling flow atomizing spray equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721583919.3U CN207871876U (en) 2017-11-23 2017-11-23 A kind of wet desulphurization swirling flow atomizing spray equipment

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109966903A (en) * 2019-05-16 2019-07-05 大唐东营发电有限公司 A kind of flue gas processing device of thermal power generation station-service
CN111974187A (en) * 2020-08-20 2020-11-24 长春净月潭供热有限公司 Flue gas desulfurization method using magnesium oxide as desulfurizer
CN113773881A (en) * 2021-09-14 2021-12-10 新兴铸管股份有限公司 Desulfurizing tower

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109966903A (en) * 2019-05-16 2019-07-05 大唐东营发电有限公司 A kind of flue gas processing device of thermal power generation station-service
CN109966903B (en) * 2019-05-16 2021-10-15 大唐东营发电有限公司 Flue gas processing apparatus that thermal power plant used
CN111974187A (en) * 2020-08-20 2020-11-24 长春净月潭供热有限公司 Flue gas desulfurization method using magnesium oxide as desulfurizer
CN113773881A (en) * 2021-09-14 2021-12-10 新兴铸管股份有限公司 Desulfurizing tower
CN113773881B (en) * 2021-09-14 2022-06-03 新兴铸管股份有限公司 Desulfurizing tower

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180918

Termination date: 20191123

CF01 Termination of patent right due to non-payment of annual fee