CN207076330U - A kind of spraying device of desulfurizing tower - Google Patents

A kind of spraying device of desulfurizing tower Download PDF

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Publication number
CN207076330U
CN207076330U CN201720700142.8U CN201720700142U CN207076330U CN 207076330 U CN207076330 U CN 207076330U CN 201720700142 U CN201720700142 U CN 201720700142U CN 207076330 U CN207076330 U CN 207076330U
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China
Prior art keywords
nozzle
spray
cone
branch pipe
hollow cone
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CN201720700142.8U
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Chinese (zh)
Inventor
金颖姗
汪洋
赵冰
吕连涛
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China Huadian Engineering Group Co Ltd
Huadian Environmental Protection Engineering and Technology Co Ltd
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China Huadian Engineering Group Co Ltd
Huadian Environmental Protection Engineering and Technology Co Ltd
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Abstract

The utility model discloses a kind of spray equipment, particularly a kind of spraying device of desulfurizing tower.Spray equipment includes at least three groups of spraying layers, every group of spraying layer includes main pipe (4), some branch pipes (5) to be intersected vertically with main pipe (4), a support beam (6) and several nozzles of two parallel arrangements, support beam (6) is placed in the middle part of spraying layer and parallel with main pipe (4), branch pipe (5) is intersected vertically with support beam (6), and nozzle is mounted on main pipe (4) and branch pipe (5).Unidirectional solid-cone (type) nozzle (1) is used on branch pipe (5) of the every group of spraying layer along tower wall, the intermediate region of every group of spraying layer uses hollow cone nozzle, and wherein main pipe (4) bottom uses unidirectional hollow cone nozzle (3).The present apparatus has taken into full account the Flow Field Distribution of different zones in desulfurizing tower, can effectively reduce the liquid-gas ratio of slurries spray, reduced pump flow, improved desulfuration efficiency by optimizing the arrangement of spraying layer top nozzle.

Description

A kind of spraying device of desulfurizing tower
Technical field
A kind of spray equipment is the utility model is related to, particularly a kind of spraying device of desulfurizing tower.
Background technology
The arrangement of nozzle is two kinds in traditional spraying device of desulfurizing tower, is sprayed along the circle of desulfurizing tower tower wall one for solid-cone Mouth, intermediate region are hollow cone nozzle, and each nozzle flow is identical, and the arrangement of nozzle is relatively simple, does not account for desulfurization The Flow Field Distribution of different zones in tower, influences evenly distributing for spraying layer, reduces spray-absorption efficiency, finally have impact on whole The desulfurization of system removes useless effect.
Utility model content
The purpose of this utility model is, there is provided a kind of spraying device of desulfurizing tower, the present apparatus are sprayed by optimizing on spraying layer The arrangement of mouth, the Flow Field Distribution of different zones in desulfurizing tower is taken into full account, can effectively reduce the liquid gas of slurries spray Than reducing pump flow, saving power consumption, improve desulfuration efficiency.
In order to solve the above technical problems, the utility model adopts the following technical scheme that:
A kind of spraying device of desulfurizing tower, the spray equipment are arranged in parallel in desulfurizing tower body, the spray equipment bag At least three groups of spraying layers are included, is covered and is superimposed by Multi-layer sprinkling layer, ensure that flue gas obtains sufficiently in desulfurizing tower on cross section Washing, ensure every layer of spray coverage rate for having abundance.Every group of spraying layer include two parallel arrangement main pipes, some with Branch pipe, a support beam and several nozzles that main pipe intersects vertically, the support beam are placed in the middle part of spraying layer and put down with main pipe OK, the branch pipe intersects vertically with support beam, and the support beam is used to support the main pipe and branch pipe in spraying layer, the main pipe With nozzle is mounted on branch pipe.Wherein every branch pipe is big close to the side diameter of support beam, one end diameter away from support beam Small, i.e., diameter dimension is steps reduces section by section.Every group of spraying layer uses unidirectional solid-cone (type) nozzle along the branch pipe of tower wall, unidirectional real Heart cone nozzle includes a liquid-inlet and a liquid outlet, the central axis of liquid-inlet and the central axis of liquid outlet It is mutually perpendicular to, liquid outlet has certain spreading of spray.Solid-cone (type) nozzle uses solid design, and the spraying ejected is solid Conical by its shape, spraying distribution is well-balanced, and drop footpath size waits until spraying bigger than normal in being.The intermediate region of every group of spraying layer uses Hollow cone nozzle, wherein main pipe bottom use unidirectional hollow cone nozzle.Hollow cone nozzle uses hollow design, the spray ejected Mist is hollow ring shape, and the fog particle ejected is small and uniform, and equal spraying effect can be produced under any pressure Fruit.What is gushed out due to solid-cone (type) nozzle is face, and the intensity to gush out is small with respect to the intensity of hollow cone nozzle, so along tower wall One circle uses solid-cone (type) nozzle, can mitigate and tower wall is washed away.Nozzle in addition to tower wall all uses hollow cone nozzle, hollow The liquid-drop diameter that cone nozzle sprays is small, and specific surface area is big, and desulphurization reaction more effectively occurs.
Every group of foregoing spraying layer is divided into tower entrance proximal end region and tower entrance distal area along smoke inlet direction.Tower entrance Bored on the intermediate region branch pipe of proximal end region using bidirectional hollow cone nozzle, the bidirectional hollow cone nozzle including the first bidirectional hollow Nozzle, the second bidirectional hollow cone nozzle, the 3rd bidirectional hollow cone nozzle and the 4th bidirectional hollow cone nozzle.Bidirectional hollow bores nozzle Including a liquid-inlet and two liquid outlets, two mutually opposing settings of liquid outlet, the central shaft of two liquid outlets The central axis of line and liquid-inlet is mutually perpendicular to, and two liquid outlets have identical spreading of spray, and this kind is arranged such that injection Area coverage is wider, strengthens assimilation effect.Using the first bidirectional hollow cone nozzle, remaining area wherein on the branch pipe of support beam both sides Using the 3rd bidirectional hollow cone nozzle on the branch pipe in domain.
Also using bidirectional hollow cone nozzle, wherein support beam both sides on the intermediate region branch pipe of foregoing tower entrance distal area Branch pipe on using the second bidirectional hollow cone nozzle, using the 4th bidirectional hollow cone nozzle on the branch pipe of remaining area.
Further, the spreading of spray of foregoing unidirectional solid-cone (type) nozzle is 90 °, the angle of scattering in effective jet length It is small, tower wall will not be washed into, the unidirectional solid-cone (type) nozzle is unidirectional double end solid-cone (type) nozzle.The unidirectional hollow cone nozzle bag A liquid-inlet and a liquid outlet are included, the central axis of liquid-inlet and the central axis of liquid outlet are mutually perpendicular to, The spreading of spray of liquid outlet is 120 °, and the unidirectional hollow cone nozzle is that unidirectional double-head hollow bores nozzle.Caused by double swivel nozzle Size droplet diameter is smaller, is capable of the secondary-atomizing effect of intensive lifting spraying layer, lifts the reaction effect of atomized drop most possibly Rate, greatly reduce the energy consumption needed during serum recycle;The exclusive double end of double swivel nozzle reversely rotates technology so that flue gas point Cloth is average, extends the haptoreaction time of gas-liquids, increases desulfurized effect.
Foregoing the first bidirectional hollow cone nozzle is the nozzle of low discharge, and spreading of spray is 90 °, and spray angle is relatively It is small, support beam will not be washed into, extends its service life;The 3rd bidirectional hollow cone nozzle is the nozzle of low discharge, is sprayed Angle is 120 °, and injection area coverage is big, strengthens desulfurized effect, the nozzle flow scope of low discharge is 30-45m3/h。
Further, the second foregoing bidirectional hollow cone nozzle is the nozzle of high flow capacity, and spreading of spray is 90 °, jet angle Spend relatively small, will not also be washed into support beam;The 4th bidirectional hollow cone nozzle is the nozzle of high flow capacity, and spreading of spray is 120 °, injection area coverage is big, further enhances desulfurized effect, the nozzle flow scope of the high flow capacity is 45-60m3/h.Cigarette Gas is in the offside of smoke inlet, i.e. tower entrance distal area produces air-flow high velocity, so using the nozzle of high flow capacity, in tower entrance Proximal end region then uses the nozzle of low discharge.
Compared with prior art, the utility model sprays the spray of flow field simulation analysis optimization according to flue gas in desulfurizing tower and slurries Arrangement of nozzles and nozzle type selecting in drenching layer, spraying layer have been taken into full account different in desulfurizing tower using the nozzle of six kinds of different types The Flow Field Distribution in region, the liquid-gas ratio of slurries spray can be effectively reduced, reduce the flow of circulating pump, save power consumption, improved de- Sulphur removes useless efficiency.
Brief description of the drawings
Fig. 1 is arrangement schematic diagram of the utility model in desulfurizing tower;
Fig. 2 is the structural representation of spraying layer in the utility model;
Fig. 3 is also the structural representation of spraying layer in the utility model;
Fig. 4 is the structural representation of tower entrance proximal end region in Fig. 3;
Fig. 5 is the structural representation of tower entrance distal area in Fig. 3.
The implication of reference:The unidirectional solid-cone (type) nozzles of 1-, 2- bidirectional hollows cone nozzle, the cone spray of the bidirectional hollows of 201- first Mouth, the bidirectional hollows of 202- second cone nozzle, the bidirectional hollows of 203- the 3rd cone nozzle, the bidirectional hollows of 204- the 4th cone nozzle, 3- are mono- To hollow cone nozzle, 4- main pipes, 5- branch pipes, 6- support beams.
The utility model is further described with reference to the accompanying drawings and detailed description.
Embodiment
Embodiment 1 of the present utility model:As shown in Fig. 1~Fig. 5, a kind of spraying device of desulfurizing tower, the parallel cloth of spray equipment It is placed in desulfurizing tower body, spray equipment includes at least three groups of spraying layers, is covered and is superimposed by Multi-layer sprinkling layer, ensures that flue gas exists Sufficiently washed on cross section in desulfurizing tower, ensure every layer of spray coverage rate for having abundance.Every group of spraying layer includes two The main pipe 4 of parallel arrangement, some 5, support beams 6 of branch pipe to be intersected vertically with main pipe 4 and several nozzles, support beam 6 It is placed in the middle part of spraying layer and parallel with main pipe 4, branch pipe 5 intersects vertically with support beam 6, and support beam 6 is used to support in spraying layer Main pipe 4 and branch pipe 5, be mounted on nozzle on main pipe 4 and branch pipe 5.Side diameter of the wherein every branch pipe 5 close to support beam 6 Greatly, one end diameter away from support beam 6 is small, i.e., diameter dimension is steps reduces section by section.On branch pipe 5 of the every group of spraying layer along tower wall Using unidirectional solid-cone (type) nozzle 1, unidirectional solid-cone (type) nozzle 1 includes a liquid-inlet and a liquid outlet, liquid-inlet The central axis of central axis and liquid outlet is mutually perpendicular to, and liquid outlet has certain spreading of spray.Solid-cone (type) nozzle uses Solid design, the spraying ejected are solid cone shaped shapes, and spraying distribution is well-balanced, and drop footpath size waits until spray bigger than normal in being Mist.The intermediate region of every group of spraying layer uses hollow cone nozzle, and the wherein bottom of main pipe 4 uses unidirectional hollow cone nozzle 3.Hollow cone Nozzle uses hollow design, and the spraying ejected is hollow ring shape, and the fog particle ejected is small and uniform, in office Equal spray effect can be produced under what pressure.What is gushed out due to solid-cone (type) nozzle is face, and the intensity to gush out is relative The intensity of hollow cone nozzle is small, so using solid-cone (type) nozzle along the circle of tower wall one, can mitigate and tower wall is washed away.Except tower wall with Outer nozzle all uses hollow cone nozzle, and the liquid-drop diameter that hollow cone nozzle sprays is small, and specific surface area is big, more effectively occurs de- Reaction of Salmon-Saxl.Every group of spraying layer is divided into tower entrance proximal end region and tower entrance distal area along smoke inlet direction.Tower entrance proximal end region Intermediate region branch pipe 5 on using bidirectional hollow cone nozzle 2, bidirectional hollow cone nozzle 2 include the first bidirectional hollow cone nozzle 201st, the second bidirectional hollow cone nozzle 202, the 3rd bidirectional hollow cone nozzle 203 and the 4th bidirectional hollow cone nozzle 204.Two-way sky Heart cone nozzle 2 includes a liquid-inlet and two liquid outlets, two mutually opposing settings of liquid outlet, two liquid outlets Central axis and the central axis of liquid-inlet be mutually perpendicular to, two liquid outlets have identical spreading of spray, this kind arrangement So that injection area coverage is wider, strengthen assimilation effect.Bored wherein on the branch pipe 5 of the both sides of support beam 6 using the first bidirectional hollow Nozzle 201, using the 3rd bidirectional hollow cone nozzle 203 on the branch pipe 5 of remaining area.The intermediate region branch pipe of tower entrance distal area Also, using the second bidirectional hollow cone nozzle 202 wherein on the branch pipe 5 of the both sides of support beam 6, remained using bidirectional hollow cone nozzle 2 on 5 Using the 4th bidirectional hollow cone nozzle 204 on the branch pipe 5 in remaining region.
Wherein, the spreading of spray of unidirectional solid-cone (type) nozzle 1 is 90 °, and the angle of scattering is small in effective jet length, will not wash away To tower wall, unidirectional solid-cone (type) nozzle 1 is unidirectional double end solid-cone (type) nozzle.Unidirectional hollow cone nozzle 3 include a liquid-inlet and One liquid outlet, the central axis of liquid-inlet and the central axis of liquid outlet are mutually perpendicular to, the spreading of spray of liquid outlet For 120 °, unidirectional hollow cone nozzle 3 is that unidirectional double-head hollow bores nozzle.Size droplet diameter is smaller caused by double swivel nozzle, Neng Goumi The secondary-atomizing effect of collection lifting spraying layer, lifts the reaction efficiency of atomized drop, greatly reduces serum recycle most possibly During the energy consumption that needs;The exclusive double end of double swivel nozzle reversely rotates technology so that and smoke distribution is average, extension gas- The haptoreaction time of liquid, increase desulfurized effect.First bidirectional hollow cone nozzle 201 is the nozzle of low discharge, and spreading of spray is equal For 90 °, spray angle is relatively small, will not be washed into support beam 6, extends its service life;3rd bidirectional hollow bores nozzle 203 For the nozzle of low discharge, spreading of spray is 120 °, and injection area coverage is big, strengthens desulfurized effect, the nozzle flow model of low discharge Enclose for 30-45m3/h.Second bidirectional hollow cone nozzle 202 is the nozzle of high flow capacity, and spreading of spray is 90 °, and spray angle is relative It is smaller, it will not also be washed into support beam 6;4th bidirectional hollow cone nozzle 204 is the nozzle of high flow capacity, and spreading of spray is 120 °, It is big to spray area coverage, further enhances desulfurized effect, the nozzle flow scope of high flow capacity is 45-60m3/h.Flue gas is in flue gas The offside of entrance, i.e. tower entrance distal area produce air-flow high velocity, so using the nozzle of high flow capacity, in tower entrance proximal end region then Using the nozzle of low discharge.
Embodiment 2:As shown in Fig. 1~Fig. 5, a kind of spraying device of desulfurizing tower, spray equipment is arranged in parallel in desulfurizing tower sheet In vivo, spray equipment includes at least three groups of spraying layers, is covered and is superimposed by Multi-layer sprinkling layer, ensures that flue gas is transversal in desulfurizing tower Sufficiently washed on face, ensure every layer of spray coverage rate for having abundance.Every group of spraying layer includes the mother of two parallel arrangements Pipe 4, some 5, support beams 6 of branch pipe to be intersected vertically with main pipe 4 and several nozzles, support beam 6 are placed in spraying layer Portion is simultaneously parallel with main pipe 4, and branch pipe 5 intersects vertically with support beam 6, and support beam 6 is used to support main pipe 4 and the branch pipe in spraying layer 5, nozzle is mounted on main pipe 4 and branch pipe 5.Wherein every branch pipe 5 is big close to the side diameter of support beam 6, away from support beam 6 One end diameter it is small, i.e., diameter dimension is steps reduces section by section.Unidirectional solid-cone is used on branch pipe 5 of the every group of spraying layer along tower wall Nozzle 1, unidirectional solid-cone (type) nozzle 1 include a liquid-inlet and a liquid outlet, the central axis and liquid of liquid-inlet The central axis of outlet is mutually perpendicular to, and liquid outlet has certain spreading of spray.Solid-cone (type) nozzle uses solid design, ejects The spraying come is solid cone shaped shape, and spraying distribution is well-balanced, and drop footpath size waits until spraying bigger than normal in being.In every group of spraying layer Between region use hollow cone nozzle, the wherein bottom of main pipe 4 uses unidirectional hollow cone nozzle 3.Hollow cone nozzle uses hollow design, The spraying ejected is hollow ring shape, and the fog particle ejected is small and uniform, can be produced under any pressure Equal spray effect.What is gushed out due to solid-cone (type) nozzle is face, intensity of the intensity to gush out with respect to hollow cone nozzle It is small, so using solid-cone (type) nozzle along the circle of tower wall one, it can mitigate and tower wall is washed away.Nozzle in addition to tower wall is all using sky The heart bores nozzle, and the liquid-drop diameter that hollow cone nozzle sprays is small, and specific surface area is big, and desulphurization reaction more effectively occurs.

Claims (6)

1. a kind of spraying device of desulfurizing tower, the spray equipment is arranged in parallel in desulfurizing tower body, it is characterised in that the spray Shower device includes at least three groups of spraying layers, and every group of spraying layer includes the main pipe (4) of two parallel arrangements, some and main pipe (4) branch pipe (5), a support beam (6) and several nozzles to intersect vertically, the support beam (6) are placed in the middle part of spraying layer simultaneously Parallel with main pipe (4), the branch pipe (5) intersects vertically with support beam (6), is mounted on the main pipe (4) and branch pipe (5) Nozzle;Unidirectional solid-cone (type) nozzle (1) is used on branch pipe (5) of the every group of spraying layer along tower wall, in every group of spraying layer Between region use hollow cone nozzle, wherein main pipe (4) bottom uses unidirectional hollow cone nozzle (3).
2. spraying device of desulfurizing tower according to claim 1, it is characterised in that every group of spraying layer is along smoke inlet side To being divided into tower entrance proximal end region and tower entrance distal area;Two-way sky is used on the intermediate region branch pipe (5) of tower entrance proximal end region Heart cone nozzle (2), the bidirectional hollow cone nozzle (2) include the first bidirectional hollow cone nozzle (201), the cone spray of the second bidirectional hollow Mouth (202), the 3rd bidirectional hollow cone nozzle (203) and the 4th bidirectional hollow cone nozzle (204), wherein support beam (6) both sides Nozzle (201) is bored using the first bidirectional hollow on branch pipe (5), sprayed on the branch pipe (5) of remaining area using the 3rd bidirectional hollow cone Mouth (203).
3. spraying device of desulfurizing tower according to claim 2, it is characterised in that the intermediate region branch pipe of tower entrance distal area (5) also using bidirectional hollow cone nozzle (2) on, using the cone spray of the second bidirectional hollow wherein on the branch pipe (5) of support beam (6) both sides Mouth (202), using the 4th bidirectional hollow cone nozzle (204) on the branch pipe (5) of remaining area.
4. spraying device of desulfurizing tower according to claim 3, it is characterised in that the spray of the unidirectional solid-cone (type) nozzle (1) Fog horn is 90 °, and the unidirectional solid-cone (type) nozzle (1) is unidirectional double end solid-cone (type) nozzle;The spray of the unidirectional hollow cone nozzle (3) Fog horn is 120 °, and the unidirectional hollow cone nozzle (3) is that unidirectional double-head hollow bores nozzle.
5. spraying device of desulfurizing tower according to claim 4, it is characterised in that first bidirectional hollow bores nozzle (201) it is the nozzle of low discharge, spreading of spray is 90 °;The 3rd bidirectional hollow cone nozzle (203) is the nozzle of low discharge, Spreading of spray is 120 °, and the nozzle flow scope of the low discharge is 30-45m3/h。
6. spraying device of desulfurizing tower according to claim 5, it is characterised in that second bidirectional hollow bores nozzle (202) it is the nozzle of high flow capacity, spreading of spray is 90 °;The 4th bidirectional hollow cone nozzle (204) is the nozzle of high flow capacity, Spreading of spray is 120 °, and the nozzle flow scope of the high flow capacity is 45-60m3/h。
CN201720700142.8U 2017-06-15 2017-06-15 A kind of spraying device of desulfurizing tower Active CN207076330U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112973360A (en) * 2021-03-19 2021-06-18 佛山市三叶环保设备工程有限公司 Flue gas dust removal desulfurization system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112973360A (en) * 2021-03-19 2021-06-18 佛山市三叶环保设备工程有限公司 Flue gas dust removal desulfurization system

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