CN206384976U - The ammonia removal device of desulfurization wastewater containing ammonia - Google Patents
The ammonia removal device of desulfurization wastewater containing ammonia Download PDFInfo
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- CN206384976U CN206384976U CN201621483285.XU CN201621483285U CN206384976U CN 206384976 U CN206384976 U CN 206384976U CN 201621483285 U CN201621483285 U CN 201621483285U CN 206384976 U CN206384976 U CN 206384976U
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- desulfurization wastewater
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Abstract
The utility model is related to desulfurization wastewater ammonia removal device technical field, it is a kind of ammonia removal device of desulfurization wastewater containing ammonia, it includes pipe-line mixer, ammonia-containing water collecting tank, condenser, stripper and sedimentation basin, be installed with respectively on pipe-line mixer communicated with pipe-line mixer enter ammonia-containing water pipeline and enter calcium oxide pipeline, the first pipeline is communicated between the outlet of pipe-line mixer and the import on ammonia-containing water collecting tank top, the second pipeline is communicated between the outlet at bottom of ammonia-containing water collecting tank and the upper feed inlet of stripper, the 3rd pipeline is communicated between stripper top gas outlet and the import of condenser.The utility model reasonable and compact in structure, easy to use, it can not only reclaim the ammonia of removing in the ammonia-removal process of the desulfurization wastewater containing ammonia, prevent emission intensity pollution on the environment in air, and can improve to the desulfurization wastewater containing ammonia except ammonia rate.
Description
Technical field
The utility model is related to desulfurization wastewater ammonia removal device technical field, is a kind of ammonia removal device of desulfurization wastewater containing ammonia.
Background technology
Because thermoelectricity desulphurization denitration SCR device using ammonia is used as reducing medium so that part escape ammonia is dissolved in desulfurization
In waste water water, so as to produce sewage of the ammon amount in 400mg/L to 500mg/L（Desulfurization wastewater）, it is necessary to by sulfur-containing waste water deamination
After up to standard, it could discharge.At present, desulfurization wastewater is except the technique of ammonia is mainly using techniques such as traditional oxidation, absorption；Using tradition
Oxidation technology carry out remove ammonia when, the removal efficiency of ammonia needs to consume substantial amounts of oxidant 40% or so；Using traditional
When absorbing process removes ammonia, the ammonia of removing is not reclaimed, but is thrown into air, thereby results in the pollution to environment.
The content of the invention
The utility model provides a kind of ammonia removal device of desulfurization wastewater containing ammonia, overcomes the deficiency of above-mentioned prior art, its
Existing desulfurization wastewater can effectively be solved except the removal efficiency that there is ammonia during ammonia is not high and the problem of without the ammonia removed is reclaimed.
The technical solution of the utility model is realized by following measures：A kind of ammonia removal device of desulfurization wastewater containing ammonia,
It is fixed respectively on pipe-line mixer to pacify including pipe-line mixer, ammonia-containing water collecting tank, condenser, stripper and sedimentation basin
Enter ammonia-containing water pipeline equipped with what is communicated with pipe-line mixer and enter calcium oxide pipeline, the outlet of pipe-line mixer with containing ammonia
Be communicated with the first pipeline between the import on wastewater collection tank top, ammonia-containing water collecting tank outlet at bottom and stripper it is upper
The second pipeline is communicated between portion's charging aperture, the 3rd pipe is communicated between stripper top gas outlet and the import of condenser
Line, has the 4th pipeline in the outlet of condenser, and the steam port that enters in the bottom of stripper is communicated with into steam pipe line, in vapour
The 5th pipeline is communicated between stripper bottom liquid outlet and sedimentation basin, in the first pipeline, the second pipeline, the 3rd pipeline, the 5th pipe
Line and enter to be installed with valve on steam pipe line.
Here is the further optimization and/or improvements to above-mentioned utility model technical scheme：
The above-mentioned ammonia removal device of desulfurization wastewater containing ammonia also includes heat exchanger, is provided with what is connected with the 5th pipeline in heat exchanger
Heat passage and the cold flow passage connected with the second pipeline, the cold flow passage of heat exchanger are fixedly connected in the second pipeline, heat exchange
The heat passage of device is fixedly connected in the 5th pipeline；It is fixedly mounted on second pipeline at the cold flow passage two ends of heat exchanger
There is valve；Valve is installed with the 5th pipeline at the heat passage two ends of heat exchanger.
The above-mentioned ammonia removal device of desulfurization wastewater containing ammonia also includes the first by-pass line and the second by-pass line；The two ends of first by-pass line
On the second pipeline for being fixedly connected on heat exchanger cold flow passage two ends, at heat exchanger cold flow passage two ends and the first by-pass line two ends
Between the second pipeline on be installed with valve respectively；The two ends of second by-pass line are fixedly connected on exchanger heat circulation road two
It is fixed respectively on the 5th pipeline between exchanger heat circulation road two ends and the second by-pass line two ends to pacify on 5th pipeline at end
Equipped with valve.
Pump one is installed with above-mentioned second pipeline, pump two is installed with the 5th pipeline.
It is above-mentioned enter calcium oxide pipeline import fix and be communicated with calcium oxide throwing device, calcium oxide throwing device is included with entering
The calcium oxide tank of calcium oxide pipeline connection, is installed with pump three on calcium oxide pipeline is entered.
Liquid level gauge is installed with outside the bottom of above-mentioned stripper.
The utility model reasonable and compact in structure, easy to use, it, can not only in the ammonia-removal process of the desulfurization wastewater containing ammonia
The enough ammonia for reclaiming removing, prevents emission intensity pollution on the environment in air, and can improve to desulfurization wastewater containing ammonia
Remove ammonia rate.
Brief description of the drawings
Accompanying drawing 1 is the artwork of the utility model most preferred embodiment.
Coding in accompanying drawing is respectively：1 is pipe-line mixer, and 2 be ammonia-containing water collecting tank, and 3 be condenser, and 4 be stripping
Tower, 5 be sedimentation basin, and 6 be that, into ammonia-containing water pipeline, 7 be that, into calcium oxide pipeline, 8 be the first pipeline, and 9 be the second pipeline, and 10 be the
Three pipelines, 11 be the 4th pipeline, and 12 be that, into steam pipe line, 13 be the 5th pipeline, and 14 be heat exchanger, and 15 be heat passage, and 16 are
Cold flow passage, 17 be the first by-pass line, and 18 be the second by-pass line, and 19 be pump one, and 20 be pump two, and 21 be calcium oxide throwing device,
22 be pump three, and 23 be liquid level gauge.
Embodiment
The utility model is not limited by following embodiments, can according to the technical solution of the utility model and actual conditions come
Determine specific embodiment.In the utility model, unless otherwise instructed, equipment is known in the art public routine and set
Standby, such as heat exchanger is the heat transmission equipment that chemical field is commonly used.
In the utility model, for the ease of description, the description of the relative position relation of each part is according to specification
The Butut mode of accompanying drawing 1 is described, such as：The position relationship of forward and backward, upper and lower, left and right etc. is according to Figure of description 1
Butut direction determine.
The utility model is further described with reference to embodiment and accompanying drawing：
As shown in Figure 1, this, which contains ammonia desulfurization wastewater ammonia removal device, includes pipe-line mixer 1, ammonia-containing water collecting tank 2, cold
Condenser 3, stripper 4 and sedimentation basin 5, be installed with respectively on pipe-line mixer 1 communicated with pipe-line mixer 1 enter to contain
Ammonia waste water pipeline 6 and enter calcium oxide pipeline 7, between the outlet of pipe-line mixer 1 and the import on the top of ammonia-containing water collecting tank 2
The first pipeline 8 is communicated with, is communicated between the outlet at bottom of ammonia-containing water collecting tank 2 and the upper feed inlet of stripper 4
Two pipelines 9, are communicated with the 3rd pipeline 10, in going out for condenser 3 between the top gas outlet of stripper 4 and the import of condenser 3
Mouth is communicated with the 4th pipeline 11, and the steam port that enters in the bottom of stripper 4 is communicated with into steam pipe line 12, in the bottom of stripper 4
The 5th pipeline 13 is communicated between liquid outlet and sedimentation basin 5, in the first pipeline 8, the second pipeline 9, the 3rd pipeline 10, the 5th pipeline
13 and enter on steam pipe line 12 to be installed with valve.
Desulfurization wastewater containing ammonia（Follow-up abbreviation ammonia-containing water）Enter pipe-line mixer 1, oxidation by entering ammonia-containing water pipeline 6
Calcium enters pipe-line mixer 1 by entering calcium oxide pipeline 7, and ammonia-containing water is in pipe-line mixer 1 by adding calcium oxide by pH value
Regulation is to 10.5, and then, the ammonia-containing water of pipe-line mixer 1 is entered in ammonia-containing water collecting tank 2 by the first pipeline 8 to be carried out just
After step precipitation, preliminary sedimentation, the ammonia-containing water in ammonia-containing water collecting tank 2 is delivered to the top of stripper 4 by the second pipeline 9；
Meanwhile, steam is entered in stripper 4 by entering steam pipe line 12, and the ammonia-containing water into stripper 4 is through being steam heated to 65 DEG C
More than, the ammonia in ammonia-containing water is escaped and is formed after gas ammonia enters the condensation of condenser 3 with steam by the 3rd pipeline 10 and obtain
Ammoniacal liquor, ammoniacal liquor is sent into Ammonia vessel by the 4th pipeline 11 and reclaimed；Ammonia-containing water is obtained after steam removes ammonia except ammonia is useless
Water, sends into sedimentation basin 5 by the 5th pipeline 13 except ammonia waste water and precipitates, the clear liquid after precipitation beats to outside sewage plant row, and sediment is fixed
Phase is cleared up to hazardous waste center.
By the above-mentioned course of work, when being handled using the utility model desulfurization wastewater containing ammonia, removing can be reclaimed
Ammonia, prevent emission intensity pollution on the environment in air.
By the utility model removing in ammonia process applied to the desulfurization wastewater containing ammonia, the ammon amount of the desulfurization wastewater containing ammonia（mg/L）
As shown in table 1, by the utility model handle obtain except the ammon amount of ammonia waste water（mg/L）As shown in table 1, accordingly except ammonia
Rate as shown in table 1, except ammonia rate=（The ammon amount of the desulfurization wastewater containing ammonia-except the ammon amount of ammonia waste water）/ the desulfurization wastewater containing ammonia contain ammonia
Amount * 100%.
It can be seen from Table 1 that, the utility model, except ammonia rate reaches more than 89.4%, illustrates this to the desulfurization wastewater containing ammonia
Utility model can be improved removes ammonia rate to the desulfurization wastewater containing ammonia.
By above-mentioned, the utility model can not only reclaim the ammonia of removing, prevent emission intensity in air to environment
The pollution caused, and can improve to the desulfurization wastewater containing ammonia except ammonia rate.
The above-mentioned ammonia removal device of desulfurization wastewater containing ammonia can be made further optimization and/or improvements according to actual needs：
As shown in Figure 1, the ammonia removal device of desulfurization wastewater containing ammonia also includes heat exchanger 14, is provided with heat exchanger 14 and the
The heat passage 15 of five pipelines 13 connection and the cold flow passage 16 connected with the second pipeline 9, the cold flow passage 16 of heat exchanger 14 are consolidated
Surely it is connected in the second pipeline 9, the heat passage 15 of heat exchanger 14 is fixedly connected in the 5th pipeline 13；In the cold of heat exchanger 14
Valve is installed with second pipeline 9 at the two ends of circulation road 16；The 5th pipe at the two ends of heat passage 15 of heat exchanger 14
Valve is installed with line 13.
Ammonia-containing water in second pipeline 9 enter in cold flow passage 16, the 5th pipeline 13 except ammonia waste water enters type of thermal communication
Ammonia-containing water in road 15, cold flow passage 16 with heat passage 15 except ammonia waste water is exchanged heat, after heat exchange, ammonia-containing water
Temperature is lifted, except the temperature of ammonia waste water is reduced.
Heat exchanger 14 is public heat transmission equipment.The setting of heat exchanger 14, can be effectively utilized except ammonia waste water
The initial temperature for the ammonia-containing water that heat lift enters in stripper 4, makes the ammonia-containing water entered in stripper 4 remove faster
Ammonia, improves the speed except ammonia.
As shown in Figure 1, the ammonia removal device of desulfurization wastewater containing ammonia also includes the first by-pass line 17 and the second by-pass line 18；First
The two ends of by-pass line 17 are fixedly connected on second pipeline 9 at the two ends of 14 cold flow passage of heat exchanger 16, logical in the cold flow of heat exchanger 14
Valve is installed with respectively on the second pipeline 9 between the two ends of road 16 and the two ends of the first by-pass line 17；Second by-pass line 18
Two ends are fixedly connected on the 5th pipeline 13 at the two ends of 14 heat passage of heat exchanger 15, the two ends of 14 heat passage of heat exchanger 15 with
Valve is installed with respectively on the 5th pipeline 13 between the two ends of second by-pass line 18.
Second pipeline 9, the fluid of the 5th pipeline 13 do not exchange heat or during more switching heat-exchanger 14, pass through each connected first
The trandfer fluid of 17 and second by-pass line of pipeline 18.
As shown in Figure 1, pump 1 is installed with the second pipeline 9, pump is installed with the 5th pipeline 13
2 20.
As shown in Figure 1, fixed in the import for entering calcium oxide pipeline 7 and be communicated with calcium oxide throwing device 21, entering oxidation
Pump 3 22 is installed with calcium pipeline 7.Calcium oxide throwing device 21 is to be used for setting of adding of calcium oxide in existing known technology
It is standby.
As shown in Figure 1, liquid level gauge 23 is installed with outside the bottom of stripper 4.
Above technical characteristic constitutes most preferred embodiment of the present utility model, and it has stronger adaptability and optimal implementation
Effect, can increase and decrease non-essential technical characteristic according to actual needs, to meet the demand of different situations.
Claims (9)
1. a kind of ammonia removal device of desulfurization wastewater containing ammonia, it is characterised in that including pipe-line mixer, ammonia-containing water collecting tank, condensation
Device, stripper and sedimentation basin, be installed with respectively on pipe-line mixer communicated with pipe-line mixer enter ammonia-containing water
Pipeline and enter calcium oxide pipeline, first is communicated between the outlet of pipe-line mixer and the import on ammonia-containing water collecting tank top
Pipeline, is communicated with the second pipeline between the outlet at bottom of ammonia-containing water collecting tank and the upper feed inlet of stripper, in stripping
The 3rd pipeline is communicated between top of tower gas outlet and the import of condenser, has the 4th pipeline in the outlet of condenser,
The steam port that enters of the bottom of stripper is communicated with into steam pipe line, and is communicated between stripper bottom liquid outlet and sedimentation basin
Five pipelines, in the first pipeline, the second pipeline, the 3rd pipeline, the 5th pipeline and enter to be installed with valve on steam pipe line.
2. the ammonia removal device of desulfurization wastewater containing ammonia according to claim 1, it is characterised in that also including heat exchanger, in heat exchanger
The heat passage connected with the 5th pipeline and the cold flow passage connected with the second pipeline are inside provided with, the cold flow passage of heat exchanger is consolidated
Surely it is connected in the second pipeline, the heat passage of heat exchanger is fixedly connected in the 5th pipeline；In the cold flow passage two of heat exchanger
Valve is installed with second pipeline at end；It is installed with the 5th pipeline at the heat passage two ends of heat exchanger
Valve.
3. the ammonia removal device of desulfurization wastewater containing ammonia according to claim 2, it is characterised in that also including the first by-pass line and
Two by-pass lines；The two ends of first by-pass line are fixedly connected on second pipeline at heat exchanger cold flow passage two ends, cold in heat exchanger
Valve is installed with respectively on the second pipeline between circulation road two ends and the first by-pass line two ends；The two ends of second by-pass line
On the 5th pipeline for being fixedly connected on exchanger heat circulation road two ends, at exchanger heat circulation road two ends and the second by-pass line two ends
Between the 5th pipeline on be installed with valve respectively.
4. the ammonia removal device of desulfurization wastewater containing ammonia according to claim 1 or 2 or 3, it is characterised in that fixed on the second pipeline
Pump one is installed, pump two is installed with the 5th pipeline.
5. the ammonia removal device of desulfurization wastewater containing ammonia according to claim 1 or 2 or 3, it is characterised in that enter calcium oxide pipeline
Import, which is fixed, is communicated with calcium oxide throwing device, and calcium oxide throwing device is included with entering the calcium oxide tank that calcium oxide pipeline is connected,
Pump three is installed with calcium oxide pipeline is entered.
6. the ammonia removal device of desulfurization wastewater containing ammonia according to claim 4, it is characterised in that the import for entering calcium oxide pipeline is consolidated
Surely calcium oxide throwing device is communicated with, calcium oxide throwing device includes and enters the calcium oxide tank that calcium oxide pipeline is connected, and is entering oxygen
Change and be installed with pump three on calcium pipeline.
7. the ammonia removal device of desulfurization wastewater containing ammonia according to claim 1 or 2 or 3 or 6, it is characterised in that the bottom of stripper
It is installed with liquid level gauge outside.
8. the ammonia removal device of desulfurization wastewater containing ammonia according to claim 4, it is characterised in that fixed peace outside the bottom of stripper
Equipped with liquid level gauge.
9. the ammonia removal device of desulfurization wastewater containing ammonia according to claim 5, it is characterised in that fixed peace outside the bottom of stripper
Equipped with liquid level gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621483285.XU CN206384976U (en) | 2016-12-30 | 2016-12-30 | The ammonia removal device of desulfurization wastewater containing ammonia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621483285.XU CN206384976U (en) | 2016-12-30 | 2016-12-30 | The ammonia removal device of desulfurization wastewater containing ammonia |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206384976U true CN206384976U (en) | 2017-08-08 |
Family
ID=59491425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621483285.XU Active CN206384976U (en) | 2016-12-30 | 2016-12-30 | The ammonia removal device of desulfurization wastewater containing ammonia |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206384976U (en) |
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2016
- 2016-12-30 CN CN201621483285.XU patent/CN206384976U/en active Active
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