CN219879552U - Novel spraying structure for flue gas desulfurization absorption tower - Google Patents
Novel spraying structure for flue gas desulfurization absorption tower Download PDFInfo
- Publication number
- CN219879552U CN219879552U CN202321321058.7U CN202321321058U CN219879552U CN 219879552 U CN219879552 U CN 219879552U CN 202321321058 U CN202321321058 U CN 202321321058U CN 219879552 U CN219879552 U CN 219879552U
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- CN
- China
- Prior art keywords
- flue gas
- tower body
- gas desulfurization
- pipeline
- pipe network
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Links
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 239000003546 flue gas Substances 0.000 title claims abstract description 50
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 34
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 32
- 230000023556 desulfurization Effects 0.000 title claims abstract description 32
- 238000005507 spraying Methods 0.000 title claims abstract description 21
- 239000007921 spray Substances 0.000 claims abstract description 31
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 12
- 239000002002 slurry Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009826 distribution Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 5
- 239000006096 absorbing agent Substances 0.000 description 4
- 235000019738 Limestone Nutrition 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 230000003009 desulfurizing effect Effects 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 229910052815 sulfur oxide Inorganic materials 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses a novel spraying structure for a flue gas desulfurization absorption tower, which comprises a pipe network and spray heads, wherein the pipe network extends to all parts of the section of the tower body, the spray heads are uniformly arranged on the pipe network, so that a spraying area completely covers the section of the tower body, the pipe network comprises a plurality of layers of pipeline groups which are distributed in an absorption area of the tower body from top to bottom at intervals, the angles of each layer of pipeline groups and an air inlet of the tower body are different, the spray heads are uniformly distributed on each layer of pipeline groups, and atomized liquid in the absorption area of the tower body is kept as uniform as possible through the pipeline groups distributed in multiple layers, so that the contact rate of flue gas and atomized liquid drops is ensured, and the absorption effect is improved. The novel spray structure for the flue gas desulfurization absorption tower has the effect of improving the flue gas desulfurization efficiency.
Description
Technical Field
The utility model relates to the technical field of flue gas purification, in particular to a novel spray structure for a flue gas desulfurization absorption tower.
Background
In industrial production, a large amount of flue gas is discharged, and in order to meet the national emission standard, the flue gas needs to be discharged after desulfurization, and the flue gas desulfurization refers to the removal of sulfur oxides SO2 and SO3 from flue gas or other industrial waste gases.
Limestone gypsum wet desulfurization is the most important technical means for controlling SO2 pollution, and more than 97% of newly built power plants in China adopt wet desulfurization modes. The wet flue gas desulfurization process flow, form and mechanism of the world are different, mainly uses slurry such as limestone (CaCO 3)/lime (CaO), sodium carbonate (MgO), ammonia water (NH 3) and the like as a detergent, and washes the flue gas in a reaction tower SO as to remove SO2 in the flue gas.
The desulfurizing tower is generally designed into a countercurrent mode, and small liquid drops falling in a spraying way can be supported to a certain extent by rising flue gas, so that the residence time of the liquid drops in an absorption area is prolonged, the sufficient contact between the flue gas and an absorbent is enhanced, and the desulfurizing efficiency is improved.
The existing spraying system generally transmits absorption slurry to the tower body through a main pipe communicated with an external circulation assembly, then the slurry is atomized and sprayed out by utilizing a branch pipe and a spray head which are positioned on the same plane, the atomization effect is the same at the same height, but the droplets are spontaneously formed and converged along with the continuous decline of atomized droplets at different heights, so that the absorption effect is poor, and in order to avoid the problems, the setting mode of the spraying system from the existing transverse distribution spray head at the same height is changed into the mode of the longitudinal distribution spray head.
Disclosure of Invention
Aiming at the problems, the novel spraying structure for the flue gas desulfurization absorption tower is provided at present, and aims to solve the problems in the prior art.
The specific technical scheme is as follows:
the utility model provides a flue gas desulfurization absorption tower is with novel structure that sprays, includes pipe network and shower nozzle, the pipe network extends to tower body cross-section everywhere, the shower nozzle evenly set up in on the pipe network, so that spray the regional tower body cross-section that covers completely, the pipe network includes the pipeline group of multilayer distribution, the multilayer pipeline group from last to lower interval distribution in the absorption zone of tower body, and every layer the angle of pipeline group and tower body air inlet is different, shower nozzle evenly distributed in each layer on the pipeline group.
The novel spraying structure for the flue gas desulfurization absorption tower is characterized in that the pipeline groups are respectively and independently communicated with an external spraying slurry driving device, so that the pipeline groups which are adapted to the different layers of the flue gas and controlled by the concentration change of sulfur dioxide can be independently operated.
The beneficial effect of above-mentioned scheme: the pipeline groups of each layer are driven by different external slurry driving devices respectively, so that the pipeline groups of different layers can operate respectively.
The novel spraying structure for the flue gas desulfurization absorption tower has the characteristics that only the spray heads which are countercurrent to the flue gas are arranged on the uppermost pipeline group, and the spray heads which are concurrent and countercurrent to the flue gas are arranged on the rest pipeline groups.
The beneficial effect of above-mentioned scheme: only be provided with decurrent shower nozzle on the pipeline group of the upper strata, prevent that the shower nozzle from spouting atomized liquid to the defroster on, set up the time that the ascending shower nozzle of ability extension spun atomized liquid contacted with the flue gas on the pipeline group of other layers.
The novel spraying structure for the flue gas desulfurization absorption tower is characterized in that the pipeline group is at least 6 layers, and the pipeline group main body positioned on the upper layer of the nozzle is perpendicular to the direction of the air inlet of the tower body.
The beneficial effect of above-mentioned scheme: each time the pipeline groups cover a certain range of the tower body absorption area respectively, and the multi-layer pipeline groups can ensure that the spraying area completely covers the tower body absorption area.
The novel spraying structure for the flue gas desulfurization absorption tower is characterized in that the pipeline group comprises a main pipe and a plurality of branch pipes, the branch pipes are uniformly distributed on two sides of the main pipe and are mutually communicated, the spray heads are uniformly distributed on each branch pipe and are connected with the branch pipes, one end of the main pipe is connected with the side wall of the tower body, and the other end of the main pipe penetrates through the tower body to extend to the outside of the tower body and be communicated with a corresponding external spraying slurry driving device.
The beneficial effect of above-mentioned scheme: the multiple branch pipes are respectively arranged along the same section of the tower body, so that the spray heads on the branch pipes can cover a larger area.
In summary, the beneficial effects of this scheme are:
in the novel spray structure for the flue gas desulfurization absorption tower, the atomized liquid in the tower body absorption area is kept as uniform as possible through the pipeline groups distributed in multiple layers, so that the contact rate of flue gas and atomized liquid drops is ensured, and the absorption effect is improved. The novel spray structure for the flue gas desulfurization absorption tower has the effect of improving the flue gas desulfurization efficiency.
Drawings
FIG. 1 is a schematic diagram showing a front sectional structure of a flue gas desulfurization absorption tower of the present utility model;
FIG. 2 is a schematic view showing a top-down structure of the flue gas desulfurization absorption tower of the present utility model;
fig. 3 is a schematic top view of a pipeline group with a novel spray structure for a flue gas desulfurization absorption tower.
Description of the drawings: 1. a main pipe; 2. a branch pipe; 3. a spray head.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
The utility model will be further illustrated, but is not limited, by the following examples.
Fig. 1 is a schematic front sectional view of a flue gas desulfurization absorber according to the present utility model, fig. 2 is a schematic top sectional view of a flue gas desulfurization absorber according to the present utility model, fig. 3 is a schematic top sectional view of a pipe group of a novel spray structure for a flue gas desulfurization absorber according to the present utility model, and as shown in fig. 1, fig. 2, and fig. 3, the novel spray structure for a flue gas desulfurization absorber according to the present embodiment is provided: including pipe network and shower nozzle 3, the pipe network extends to tower body cross-section everywhere, and shower nozzle 3 evenly sets up on the pipe network to make the region of spraying cover the tower body cross-section completely, the pipe network includes multilayer distributed's pipeline group, and multilayer pipeline group is from last to lower interval distribution in the absorption zone of tower body, and every layer of pipeline group is different with the angle of tower body air inlet, shower nozzle 3 evenly distributed is on every layer of pipeline group.
In the above embodiment, the multi-layer pipeline groups are respectively and independently communicated with the external spraying slurry driving device so as to adapt to the change of the concentration of sulfur dioxide in the flue gas to control the pipeline groups on different layers to independently operate.
In the above embodiment, only the nozzle 3 counter-current to the flue gas is provided on the pipe group at the uppermost layer, and the nozzles 3 counter-current to the flue gas are provided on the pipe groups at the remaining layers.
In the above embodiment, the pipe group is at least 6 layers, and the pipe group main body at the upper layer of the mouth is perpendicular to the direction of the air inlet of the tower body.
In the above embodiment, the pipe group includes one main pipe 1 and a plurality of branch pipes 2, the plurality of branch pipes 2 are uniformly distributed on two sides of the main pipe 1 and are mutually communicated, the spray heads 3 are uniformly distributed on each branch pipe 2 and are connected with the branch pipes 2, one end of the main pipe 1 is connected with the side wall of the tower body, and the other end of the main pipe 1 extends to the outside of the tower body through the tower body and is communicated with the corresponding external spraying slurry driving device.
The operating principle, through the pipeline group of multilayer distribution, spray at corresponding height respectively for the tower body absorbs the high atomizing liquid drop distribution of district and comparatively all with, and only be provided with decurrent shower nozzle 3 on the pipeline group of the upper strata, prevent that shower nozzle 3 from spouting atomizing liquid to the defroster, set up the time that ascending shower nozzle 3 can lengthen spun atomizing liquid and flue gas contact on the pipeline group of other layers, because the pipeline group of every layer is driven by different outside thick liquid drive arrangement respectively, make the pipeline group of different layers can operate respectively.
The foregoing is merely illustrative of the preferred embodiments of the present utility model and is not intended to limit the embodiments and scope of the present utility model, and it should be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the teachings of the present utility model, which are intended to be included within the scope of the present utility model.
Claims (5)
1. The utility model provides a flue gas desulfurization absorption tower is with novel structure of spraying, includes pipe network and shower nozzle (3), the pipe network extends to tower body cross-section everywhere, shower nozzle (3) evenly set up in on the pipe network to make spray the regional tower body cross-section of covering completely, its characterized in that: the pipe network comprises a plurality of layers of pipeline groups which are distributed in the absorption area of the tower body from top to bottom at intervals, the angles of each layer of pipeline group and the air inlet of the tower body are different, and the spray heads (3) are uniformly distributed on each layer of pipeline group.
2. The novel spray structure for a flue gas desulfurization absorption tower according to claim 1, wherein: the multiple layers of pipeline groups are respectively and independently communicated with an external spraying slurry driving device so as to adapt to the change of the concentration of sulfur dioxide in the flue gas to control the independent operation of the pipeline groups in different layers.
3. The novel spray structure for a flue gas desulfurization absorption tower according to claim 2, wherein: the pipeline group at the uppermost layer is only provided with the spray heads (3) which are in countercurrent with the flue gas, and the pipeline groups at the other layers are provided with the spray heads (3) which are in concurrent flow and countercurrent with the flue gas.
4. A novel spray structure for a flue gas desulfurization absorption tower according to claim 3, which is characterized in that: the pipeline group is at least arranged to be 6 layers, and the pipeline group main body positioned on the upper layer of the nozzle is perpendicular to the direction of the air inlet of the tower body.
5. The novel spray structure for a flue gas desulfurization absorption tower according to claim 2, wherein: the pipeline group comprises a main pipe (1) and a plurality of branch pipes (2), wherein the branch pipes (2) are uniformly distributed on two sides of the main pipe (1) and are mutually communicated, the spray heads (3) are uniformly distributed on each branch pipe (2) and are connected with the branch pipes (2), one end of the main pipe (1) is connected with the side wall of the tower body, and the other end of the main pipe (1) penetrates through the tower body and extends to the outside of the tower body to be communicated with a corresponding external spraying slurry driving device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321321058.7U CN219879552U (en) | 2023-05-29 | 2023-05-29 | Novel spraying structure for flue gas desulfurization absorption tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321321058.7U CN219879552U (en) | 2023-05-29 | 2023-05-29 | Novel spraying structure for flue gas desulfurization absorption tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219879552U true CN219879552U (en) | 2023-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321321058.7U Active CN219879552U (en) | 2023-05-29 | 2023-05-29 | Novel spraying structure for flue gas desulfurization absorption tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219879552U (en) |
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2023
- 2023-05-29 CN CN202321321058.7U patent/CN219879552U/en active Active
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