CN107252618A - Ammonia recycling device in a kind of waste gas - Google Patents
Ammonia recycling device in a kind of waste gas Download PDFInfo
- Publication number
- CN107252618A CN107252618A CN201710502513.6A CN201710502513A CN107252618A CN 107252618 A CN107252618 A CN 107252618A CN 201710502513 A CN201710502513 A CN 201710502513A CN 107252618 A CN107252618 A CN 107252618A
- Authority
- CN
- China
- Prior art keywords
- washing tower
- ammonic washing
- ammonia
- spray equipment
- ammoniacal liquor
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1418—Recovery of products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
- B01D2257/406—Ammonia
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The invention discloses ammonia recycling device in a kind of waste gas, including Ammonic washing tower, the bottom of the Ammonic washing tower is base, base is provided with manhole, storage area is provided with above base, uptake zone is provided with above storage area, spray equipment is provided with above uptake zone, Ammonic washing tower wall above spray equipment is provided with the first exhanst gas outlet, chimney is provided with the top of Ammonic washing tower, several packing layers are provided with the uptake zone, packing support plate is equipped with below each packing layer, multiple holes are equipped with each packing support plate, the uptake zone bottom is provided with gas approach, Ammonic washing tower wall is provided with liquid level gauge outside the uptake zone, the storage area bottom is exported provided with ammoniacal liquor, ammoniacal liquor is exported and soft water source, ammoniacal liquor storage device is connected with the spray equipment of Ammonic washing tower, ammoniacal liquor is exported is provided with pump between spray equipment.The present invention is reasonable in design, and ammonia-contaminated gas is recycled by Ammonic washing tower to ammonia, and can improve ammonia recovery, and pollution-free and zero-emission advantage is reached to waste gas.
Description
Technical field
The present invention relates to waste gas in synthesizing ammonia processing technology field, more particularly, to ammonia recycling device in a kind of waste gas.
Background technology
The waste gas containing gases such as hydrogen, inert gas and ammonias can be produced in synthetic ammonia process, and ammonia is in air
In be oxidized generation NOx, formed acid rain, and and then be oxidized to nitrate, into water circulation system, polluted underground water.Agricultural and
Increase of the development of chemical industry to demands such as ammonia, urea, ammonium phosphate, ammonium nitrate, promotes China's ammonia synthesizing industry quick
Development, year output persistently rises, and the discharge capacity of ammonia-containing gas also further increases.In addition, ammonia can cause danger to health
Evil, severe patient can trigger pulmonary infection and respiratory failure to cause death.Therefore, no matter from environmental, economic angle or it is good for
Health angle, is required for reclaiming the ammonia in ammonia-containing gas.
Ammonia therein is reclaimed using salt solution washing absorption technique, due to the limitation of the technology, ammonia recovery is very low always,
In ammonia-containing gas the ammonia of nearly half washing tail gas in be burned off, waste ample resources, at the same produce ammoniacal liquor because of concentration too
It is dilute and can not handle, exceeded and environmental pollution the serious problems of externally discharged waste water ammonia nitrogen are directly resulted in again.Many companies once attempted
Ammonia in weak aqua ammonia is steamed into recovery, but this kind of method energy consumption is big, and cost is high.
The content of the invention
It is an object of the invention to overcome defect of the prior art, and provide a kind of simple in construction, easy to operate, energy-conservation
Ammonia recycling device in the waste gas of consumption reduction and raising ammonia recovery.
To achieve the above object, present invention employs following technical scheme：
Ammonia recycling device in a kind of waste gas, including Ammonic washing tower, the bottom of the Ammonic washing tower is base, and base is provided with manhole,
It is provided with above base above storage area, storage area and is provided with uptake zone, is provided with above uptake zone above spray equipment, spray equipment
Side Ammonic washing tower wall is provided with the first exhanst gas outlet, and first exhanst gas outlet is set with going flare apparatus to be connected at the top of Ammonic washing tower
Have to be provided with chimney, the uptake zone below several packing layers, each packing layer and be equipped with packing support plate, each packing support
Multiple holes are equipped with plate, the uptake zone bottom is provided with outside gas approach, the uptake zone and set on the Ammonic washing tower wall of side
There is a liquid level gauge, the storage area bottom is exported provided with ammoniacal liquor, ammoniacal liquor outlet ammoniacal liquor storage device and is washed by pipeline and soft water source
The spray equipment of ammonia tower is connected, and the pipeline between ammoniacal liquor outlet and the spray equipment of Ammonic washing tower is provided with pump, chimney bottom, soft water
Between source and pump, between ammoniacal liquor outlet and pump, between the spray equipment of pump and Ammonic washing tower, between ammoniacal liquor storage device and pump and
First exhanst gas outlet and go between flare apparatus to be equipped with valve.
It is preferred that, the Ammonic washing tower is cylinder.
It is preferred that, described filler layer has two.
It is preferred that, the nozzle of the spray equipment is laid according to Ammonic washing tower diameter.
It is preferred that, the nozzle selects spiral nozzle, and spray angles are 120 °.
The beneficial effects of the invention are as follows：
Ammonia-contaminated gas is reclaimed by Ammonic washing tower to ammonia in the present invention, in the uptake zone of Ammonic washing tower provided with two packing layers,
Ammonia can be made fully to be contacted with water, and ammonia is dissolved completely in water.The present invention is simple in construction, reasonable in design and reachable
To pollution-free and zero-emission advantage.In addition, the present invention has also paid close attention to environmental benefit, device while economic benefit is created
Ammonia recovery can be improved and ammoniacal liquor is recycled.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
In figure, Ammonic washing tower 1, base 2, storage area 3, gas approach 4, uptake zone 5, packing layer 6, spray equipment 7, packing support plate
8th, ammoniacal liquor outlet 9, manhole 10, go flare apparatus 11, the first exhanst gas outlet 12, valve 13, chimney 14, ammoniacal liquor storage device 15,
Soft water source 16, pump 17 and liquid level gauge 18.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
As shown in figure 1, ammonia recycling device in a kind of waste gas, including tubular Ammonic washing tower 1, the Ammonic washing tower 1
Bottom is base 2, and base 2 is provided with manhole 10, and the top of base 2 is provided with storage area 3, and the top of storage area 3 is provided with uptake zone 5, inhaled
Receive the top of area 5 and be provided with spray equipment 7, the nozzle of the spray equipment 7 is laid according to the diameter of Ammonic washing tower 1, and the nozzle selects spiral shell
Churning mouth, spray angles are 120 °, and the wall of side Ammonic washing tower 1 of the top of spray equipment 7 is provided with the first exhanst gas outlet 12, institute
The first exhanst gas outlet 12 is stated with going flare apparatus 11 to be connected, the top of Ammonic washing tower 1, which is provided with chimney 14, the uptake zone 5, is provided with two
Individual packing layer 6, each packing layer 6 is equipped with packing support plate 8, each packing support plate 8 is equipped with multiple holes, institute below
The bottom of uptake zone 5 is stated provided with gas approach 4, the wall of 5 outside side Ammonic washing tower of uptake zone 1 is provided with liquid level gauge 18, the storage
The bottom of area 3 is deposited provided with ammoniacal liquor outlet 9, ammoniacal liquor outlet 9 by pipeline and soft water source 16, ammoniacal liquor storage device 15 and Ammonic washing tower 1
Spray equipment 7 is connected, and the pipeline between ammoniacal liquor outlet 9 and the spray equipment 7 of Ammonic washing tower 1 is provided with pump 17, the bottom of chimney 14, soft
Between water source 16 and pump 17, between ammoniacal liquor outlet 9 and pump 17, between the spray equipment 7 of pump 17 and Ammonic washing tower 1, ammoniacal liquor storage fills
Put between 15 and pump 17 and the first exhanst gas outlet 12 and go between flare apparatus 11 to be equipped with valve 13.
Operation principle：Waste gas enters the uptake zone 5 of Ammonic washing tower 1 through gas approach 4, at the same time, opens pump 17 by soft water
The soft water in source 16 is delivered to spray equipment 7, and waste gas is fully contacted with soft water in the packing layer 6 of uptake zone 5, ammonia dissolving
In soft water, storage area 3 is flowed into through the hole on packing support plate 8, residual gas or the first exhanst gas outlet 12 of process are transported to
Go in flare apparatus 11 to handle or discharge by chimney 14.In the course of the work, the ammoniacal liquor in storage area 3 is monitored by liquid level gauge 18
Amount, and the ammonia concn in storage area 3 is measured.When storage area 3 is expired soon, stop the conveying of soft water and waste gas, now
If ammonia concn reaches standard, ammoniacal liquor is transported to ammoniacal liquor storage device 15；If ammonia concn is not up to standard, continue defeated
Waste gas, but ammoniacal liquor of the water from not up to standard that now spray equipment 7 sprays are sent, continues to dissolve ammonia until ammonia concn reaches
Untill standard.
Claims (5)
1. ammonia recycling device in a kind of waste gas, including Ammonic washing tower, it is characterised in that the bottom of the Ammonic washing tower is base, bottom
Seat, which is provided with above manhole, base, is provided with storage area, is provided with above storage area above uptake zone, uptake zone and is provided with spray equipment,
Side Ammonic washing tower wall above spray equipment is provided with the first exhanst gas outlet, and first exhanst gas outlet is with going flare apparatus to connect
Connect, be provided with the top of Ammonic washing tower in chimney, the uptake zone and be provided with several packing layers, packing support is equipped with below each packing layer
Multiple holes are equipped with plate, each packing support plate, the uptake zone bottom is provided with one outside gas approach, the uptake zone
Side Ammonic washing tower wall is provided with liquid level gauge, and the storage area bottom is exported provided with ammoniacal liquor, and ammoniacal liquor outlet passes through pipeline and soft water source, ammonia
Water storage device is connected with the spray equipment of Ammonic washing tower, and the pipeline between ammoniacal liquor outlet and the spray equipment of Ammonic washing tower is provided with
Pump, between chimney bottom, soft water source and pump, between ammoniacal liquor outlet and pump, between the spray equipment of pump and Ammonic washing tower, ammoniacal liquor stores
Between device and pump and the first exhanst gas outlet and go between flare apparatus to be equipped with valve.
2. a kind of ammonia fixed gas retracting device according to claim 1, it is characterised in that the Ammonic washing tower is cylinder
Body.
3. a kind of ammonia fixed gas retracting device according to claim 1, it is characterised in that described filler layer has two.
4. a kind of ammonia fixed gas retracting device according to claim 1, it is characterised in that the nozzle of the spray equipment
Laid according to Ammonic washing tower diameter.
5. a kind of ammonia fixed gas retracting device according to claim 4, it is characterised in that the nozzle is sprayed from spiral
Mouth, spray angles are 120 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710502513.6A CN107252618A (en) | 2017-06-27 | 2017-06-27 | Ammonia recycling device in a kind of waste gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710502513.6A CN107252618A (en) | 2017-06-27 | 2017-06-27 | Ammonia recycling device in a kind of waste gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107252618A true CN107252618A (en) | 2017-10-17 |
Family
ID=60024269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710502513.6A Pending CN107252618A (en) | 2017-06-27 | 2017-06-27 | Ammonia recycling device in a kind of waste gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107252618A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108283865A (en) * | 2018-02-08 | 2018-07-17 | 贵州省德邦环保化工有限公司 | Ammonia processing unit |
| CN108854451A (en) * | 2018-06-21 | 2018-11-23 | 绍兴化工有限公司 | A kind of purification method of the air containing ammonia |
-
2017
- 2017-06-27 CN CN201710502513.6A patent/CN107252618A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108283865A (en) * | 2018-02-08 | 2018-07-17 | 贵州省德邦环保化工有限公司 | Ammonia processing unit |
| CN108854451A (en) * | 2018-06-21 | 2018-11-23 | 绍兴化工有限公司 | A kind of purification method of the air containing ammonia |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171017 |
|
| WD01 | Invention patent application deemed withdrawn after publication |