CN206676198U - A kind of novel phosphoric acid washing tail gas structure - Google Patents
A kind of novel phosphoric acid washing tail gas structure Download PDFInfo
- Publication number
- CN206676198U CN206676198U CN201720452070.XU CN201720452070U CN206676198U CN 206676198 U CN206676198 U CN 206676198U CN 201720452070 U CN201720452070 U CN 201720452070U CN 206676198 U CN206676198 U CN 206676198U
- Authority
- CN
- China
- Prior art keywords
- phosphoric acid
- tail gas
- spray liquid
- scrubbing tower
- delivery pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title claims abstract description 106
- 229910000147 aluminium phosphate Inorganic materials 0.000 title claims abstract description 53
- 238000005406 washing Methods 0.000 title claims abstract description 18
- 239000007921 spray Substances 0.000 claims abstract description 41
- 238000005201 scrubbing Methods 0.000 claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 238000005507 spraying Methods 0.000 claims abstract description 23
- 239000006260 foam Substances 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 3
- 238000002386 leaching Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 10
- 239000000126 substance Substances 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 39
- 238000004140 cleaning Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The utility model discloses a kind of novel phosphoric acid washing tail gas structure, including scrubbing tower, spraying layer is internally provided with scrubbing tower, the spraying layer includes multiple first spiral nozzles, first spiral nozzle is connected with one end of the first spray liquid delivery pipe, the other end connection spray liquid supply endless tube of first spray liquid delivery pipe, is provided with the first eddy flow demister above spraying layer；The air inlet connects phosphoric acid tail gas conveyance conduit, is internally provided with second spiral nozzle in the vertical section of phosphoric acid tail gas conveyance conduit, the second spiral nozzle is connected with the second spray liquid delivery pipe, and the second eddy flow demister is provided with above the second spiral nozzle.The utility model in the inside of phosphoric acid tail gas conveyance conduit by setting up spiral nozzle, so as to prevent from forming the accessory substances such as ardealite in phosphoric acid tail gas conveyance conduit, avoid line clogging, the double layers of sprinkling in scrubbing tower is coordinated to set simultaneously, and the reasonable Arrangement of shower nozzle, it can effectively lift the treatment effect to phosphoric acid tail gas.
Description
Technical field
A kind of novel phosphoric acid washing tail gas structure is the utility model is related to, is entered available for existing phosphoric acid tail gas processing equipment
Row upgrading, belong to phosphoric acid tail gas processing equipment field.
Background technology
In the Chemical Manufacture such as chemical fertilizer enterprise, generally require to be related to phosphoric acid tail gas processing.Phosphoric acid tail gas Main Ingredients and Appearance steams for water
Vapour, fluoro-gas, SO2、CO2Deng.Common processing method is that phosphoric acid tail gas first is delivered into one-level waste gas purification through one-level pipe to set
In standby, spray washing is carried out in one-level off-gas cleaning equipment, is then delivered to again through diode in two level off-gas cleaning equipment
Continue with, until qualified discharge.
At present, in phosphoric acid tail gas processing procedure, the purified treatment effect of processing equipment is bad, and due to inevitable
Meeting produce the accessory substance such as ardealite, therefore the situation of pipeline blockage often occurs, so that needing to shut down cleaning, reduces work
Efficiency, improve equipment operating cost.
Utility model content
Based on above-mentioned technical problem, the utility model provides a kind of novel phosphoric acid washing tail gas structure.
Technical solution is used by the utility model：
A kind of novel phosphoric acid washing tail gas structure, including scrubbing tower, the bottom of scrubbing tower is provided with air inlet, washed
Exhaust outlet is provided with the top of tower, in the spraying layer that is internally provided with of scrubbing tower, the spraying layer sprays including multiple first spirals
Head, the first spiral nozzle are connected with one end of the first spray liquid delivery pipe, and the other end of the first spray liquid delivery pipe passes through washing
The tower wall of tower simultaneously connect spray liquid supply endless tube, the inside of scrubbing tower and positioned at spraying layer top position at be provided with first
Eddy flow demister；The air inlet connects phosphoric acid tail gas conveyance conduit, is set inside the vertical section of phosphoric acid tail gas conveyance conduit
There is second spiral nozzle, the second spiral nozzle is connected with the second spray liquid delivery pipe, in hanging down for phosphoric acid tail gas conveyance conduit
The second eddy flow demister is provided with inside straight section and at the top position of the second spiral nozzle；The exhaust outlet connects phosphoric acid
Exhaust emission pipeline.
Preferably, the spraying layer is set two layers up and down altogether in the inside of scrubbing tower, and each layer of spraying layer includes three the
One spiral nozzle, three first spiral nozzles are uniformly distributed in the horizontal cross-section of scrubbing tower.
Preferably, the first eddy flow demister and the second eddy flow demister include multiple swirl vanes, the eddy flow
One end of blade is fixed on centre frame, and the other end is fixed on outer shroud.
Preferably, first spiral nozzle and the second spiral nozzle include helical head body and positioned at sprays
The hollow connector of head bodies top, hollow connector and one end spiral shell of the first spray liquid delivery pipe or the second spray liquid delivery pipe
Line is connected, and one end of the first spray liquid delivery pipe or the second spray liquid delivery pipe empty connector in this connection is bent downwards.
Preferably, it is provided with inspection manhole in the tower wall of the scrubbing tower.
Advantageous effects of the present utility model are：
1st, the utility model in the inside of phosphoric acid tail gas conveyance conduit by setting up spray structure, so as to prevent in phosphoric acid
The accessory substances such as ardealite are formed in exhaust pipe road, avoid line clogging, while coordinate the double layers of sprinkling layer in scrubbing tower to set
Put, and the reasonable Arrangement of shower nozzle, it can effectively lift the treatment effect to phosphoric acid tail gas.
2nd, shower nozzle uses helical design in the utility model, spray liquid can effectively be sprayed to solarization to border, reached in pipeline
Portion space or all standing of scrubbing tower inner space, spraying effect is effectively lifted, while shower nozzle is designed using interior screw thread, with spray
Liquid delivery pipe is threadedly coupled, convenient dismounting.In addition, the utility model shower nozzle also has, flow is big, uniform spraying, spray area
Greatly, the features such as not blocking.
3rd, the utility model is internally provided with eddy flow demister in phosphoric acid tail gas conveyance conduit and scrubbing tower, can effectively carry
Rise eddy flow foam removal effect.
Brief description of the drawings
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings：
Fig. 1 is principle schematic diagram of the present utility model；
Fig. 2 is the connection diagram of the first spiral nozzle and the first spray liquid delivery pipe in the utility model；
Fig. 3 is the structural representation of the first eddy flow demister in the utility model.
Embodiment
With reference to accompanying drawing, a kind of novel phosphoric acid washing tail gas structure, including scrubbing tower 1, be provided with the bottom of scrubbing tower 1 into
Gas port 2, the top of scrubbing tower 1 is provided with exhaust outlet 3, spraying layer 4 is internally provided with scrubbing tower 1.The spraying layer 4 wraps
Multiple first spiral nozzles 5 are included, the first spiral nozzle 5 is connected with one end of the first spray liquid delivery pipe 6, the conveying of the first spray liquid
The other end of pipe 6 passes through the tower wall of scrubbing tower 1 and connects spray liquid supply endless tube 7.In the inside of scrubbing tower 1 and it is located at spraying layer
Top position at be provided with the first eddy flow demister 8.The air inlet 2 connects phosphoric acid tail gas conveyance conduit 9, in phosphoric acid tail gas
The vertical section of conveyance conduit 9 is internally provided with second spiral nozzle 10, and the second spiral nozzle 10 and the second spray liquid convey
Pipe 11 connects, and is set inside the vertical section of phosphoric acid tail gas conveyance conduit 9 and at the top position of the second spiral nozzle 10
There is the second eddy flow demister 12.The exhaust outlet 3 connects phosphoric acid tail gas discharge tube 13, is set on phosphoric acid tail gas discharge tube 13
It is equipped with blower fan 14.
Upper and lower two are set altogether in the inside of scrubbing tower 1 as to further design of the present utility model, the spraying layer 4
Layer, each layer of spraying layer include three the first spiral nozzles 5, and this three the first spiral nozzles 5 are in the horizontal cross-section of scrubbing tower
It is uniformly distributed.
Further, the first eddy flow demister 8 and the second eddy flow demister 12 include multiple swirl vanes 15,
One end of the swirl vane 15 is fixed on centre frame 16, and the other end is fixed on outer shroud 17.
Further, the spiral nozzle 10 of the first spiral nozzle 5 and second includes helical head body 18
With the hollow connector 19 at the top of head body, the hollow spray liquid delivery pipe 6 of connector 19 and first or the second spray liquid
The threaded one end connection of delivery pipe 11, the first spray liquid delivery pipe 6 or the second spray liquid delivery pipe 11 empty connector in this connection
One end bend downwards.
Further, inspection manhole 20, convenient maintenance are provided with the tower wall of the scrubbing tower 1.
The course of work of the present utility model approximately as：
Phosphoric acid tail gas is delivered to the inside of scrubbing tower 1 through phosphoric acid tail gas conveyance conduit 9, in phosphoric acid tail gas conveyance conduit 9
The cleaning solution sprayed with the second spiral nozzle 10 carries out washing and contacted, and completes the primary wash processing of phosphoric acid tail gas, then passes through
Enter after the foam removal of second eddy flow demister 12 in scrubbing tower 1.In scrubbing tower 1, phosphoric acid tail gas sprays with two layers of spraying layer again
Cleaning solution carry out washing contact, complete the plutonic time carrying out washing treatment of phosphoric acid tail gas, the phosphoric acid tail gas after processing is through phosphoric acid tail gas
Discharge tube 13 is discharged, or is delivered to next processing equipment.
The utility model can be entered by setting up one shower nozzle of spray in the inside of phosphoric acid tail gas conveyance conduit 9 to phosphoric acid tail gas
Row pretreatment, while prevented also from the accessory substances such as ardealite are formed in phosphoric acid tail gas conveyance conduit, avoid line clogging.Separately
Outside, the double layers of sprinkling layer in scrubbing tower 1 is coordinated to set, and the reasonable Arrangement of shower nozzle, it can effectively lift the place to phosphoric acid tail gas
Manage effect.
Shower nozzle uses helical design in the utility model, spray liquid can effectively be sprayed to solarization to border, reached inside pipeline
Space or all standing of scrubbing tower inner space, spraying effect is effectively lifted, while shower nozzle is designed using interior screw thread, with spray liquid
Delivery pipe is threadedly coupled, convenient dismounting.In addition, the utility model shower nozzle also has, flow is big, and uniform spraying, spray area is big,
The features such as not blocking.The utility model is internally provided with eddy flow demister phosphoric acid tail gas conveyance conduit and scrubbing tower, can have
Effect lifting eddy flow foam removal effect.
The relevant technology contents do not addressed in aforesaid way are taken or used for reference prior art and can be achieved.
It should be noted that under the teaching of this specification, any equivalent substitute side made by those skilled in the art
Formula, or obvious variant, all should be within the scope of protection of the utility model.
Claims (5)
- A kind of 1. novel phosphoric acid washing tail gas structure, it is characterised in that：Including scrubbing tower, the bottom of scrubbing tower is provided with air inlet Mouthful, exhaust outlet is provided with the top of scrubbing tower, in the spraying layer that is internally provided with of scrubbing tower, the spraying layer includes multiple the One spiral nozzle, the first spiral nozzle are connected with one end of the first spray liquid delivery pipe, the other end of the first spray liquid delivery pipe Through scrubbing tower tower wall and connect spray liquid supply endless tube, the inside of scrubbing tower and positioned at spraying layer top position at set It is equipped with the first eddy flow demister；The air inlet connects phosphoric acid tail gas conveyance conduit, in the vertical section of phosphoric acid tail gas conveyance conduit Second spiral nozzle is internally provided with, the second spiral nozzle is connected with the second spray liquid delivery pipe, is conveyed in phosphoric acid tail gas The second eddy flow demister is provided with inside the vertical section of pipeline and at the top position of the second spiral nozzle；The exhaust outlet Connect phosphoric acid tail gas discharge tube.
- A kind of 2. novel phosphoric acid washing tail gas structure according to claim 1, it is characterised in that：The spraying layer is washing The inside of tower is set two layers up and down altogether, and each layer of spraying layer includes three the first spiral nozzles, and three first spiral nozzles exist It is uniformly distributed in the horizontal cross-section of scrubbing tower.
- A kind of 3. novel phosphoric acid washing tail gas structure according to claim 1, it is characterised in that：The first eddy flow foam removal Device and the second eddy flow demister include multiple swirl vanes, and one end of the swirl vane is fixed on centre frame, the other end It is fixed on outer shroud.
- A kind of 4. novel phosphoric acid washing tail gas structure according to claim 1, it is characterised in that：First spiral nozzle Include helical head body and the hollow connector at the top of head body, hollow connection with the second spiral nozzle Head is connected with the threaded one end of the first spray liquid delivery pipe or the second spray liquid delivery pipe, the first spray liquid delivery pipe or the second spray One end of leaching liquid delivery pipe empty connector in this connection is bent downwards.
- A kind of 5. novel phosphoric acid washing tail gas structure according to claim 1, it is characterised in that：The tower wall of the scrubbing tower On be provided with inspection manhole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720452070.XU CN206676198U (en) | 2017-04-27 | 2017-04-27 | A kind of novel phosphoric acid washing tail gas structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720452070.XU CN206676198U (en) | 2017-04-27 | 2017-04-27 | A kind of novel phosphoric acid washing tail gas structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206676198U true CN206676198U (en) | 2017-11-28 |
Family
ID=60406806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720452070.XU Active CN206676198U (en) | 2017-04-27 | 2017-04-27 | A kind of novel phosphoric acid washing tail gas structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111151134A (en) * | 2020-01-22 | 2020-05-15 | 苏州西热节能环保技术有限公司 | A prevent stifled type ammonia injection grid and SCR denitrification facility for coal fired power plant SCR denitration |
-
2017
- 2017-04-27 CN CN201720452070.XU patent/CN206676198U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111151134A (en) * | 2020-01-22 | 2020-05-15 | 苏州西热节能环保技术有限公司 | A prevent stifled type ammonia injection grid and SCR denitrification facility for coal fired power plant SCR denitration |
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