CN109381970A - A kind of ammonia processing system and method based on venturi principle - Google Patents
A kind of ammonia processing system and method based on venturi principle Download PDFInfo
- Publication number
- CN109381970A CN109381970A CN201811364394.3A CN201811364394A CN109381970A CN 109381970 A CN109381970 A CN 109381970A CN 201811364394 A CN201811364394 A CN 201811364394A CN 109381970 A CN109381970 A CN 109381970A
- Authority
- CN
- China
- Prior art keywords
- ammonia
- liquid
- venturi tube
- venturi
- gas
- 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
Links
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
- B01D53/18—Absorbing units; Liquid distributors therefor
Abstract
The ammonia processing system based on venturi principle that the invention discloses a kind of, including Venturi tube injector, ammonia absorbing liquid is connected by high-pressure hydraulic pump with the liquid inlet of the Venturi tube injector, the exhaust pipe of reaction kettle is connected with the gas access of the Venturi tube injector, and the gas and liquid mixture outlet of the Venturi tube injector is connected with absorption tower.Ammonia processing system of the present invention is used to handle the ammonia in reaction kettle tail gas using the structure of Venturi tube, solve reaction kettle tail gas caliber it is thin, it is long, more than elbow in the case where transmission problem, and the mass transfer problem of reaction kettle high concentration tail gas and absorbing liquid, the treatment effeciency of ammonia is high, high treating effect.The ammonia processing method based on venturi principle that the invention also discloses a kind of.
Description
Technical field
The present invention relates to a kind of exhaust treatment system and methods, and in particular to a kind of ammonia processing based on venturi principle
System and method.
Background technique
Containing a certain amount of containing tail gas such as sour waste gas, ammonias in the reaction kettle of certain Chemical Manufactures, concentration is high, narrow-minded；
Common method uses blower that tail gas is evacuated to spray column as power, carries out treating tail gas with gas-liquid mass transfer method.
Since the tail gas concentration of reaction kettle is high, narrow-minded, the pipeline of transmission is long, thin, and elbow is more, and the crushing of pipeline is big, often
The fan pressure seen is low, tends not in time take tail gas away, and tail gas just escapes in the assembly gap of reaction kettle, causes atmosphere dirty
Dye, in addition handles high-concentration waste gas with the mode of traditional spray column, carries out spray column processing again after common Dilution air, often
Uneven due to diluting, gas-liquid mass transfer contact deficiency causes vent gas treatment not up to standard.
Summary of the invention
It provides it is an object of the invention to overcome in place of the shortcomings of the prior art a kind of based on venturi principle
Ammonia processing system and method.
To achieve the above object, the technical scheme adopted by the invention is as follows: a kind of ammonia processing system based on venturi principle
System, including Venturi tube injector, ammonia absorbing liquid pass through the liquid inlet phase of high-pressure hydraulic pump and the Venturi tube injector
Even, the exhaust pipe of reaction kettle is connected with the gas access of the Venturi tube injector, the Venturi tube injector
Gas and liquid mixture outlet is connected with absorption tower.
As shown in Fig. 1, the exhaust pipe of the present invention reaction kettle connects with the D mouth of Venturi tube injector,
The absorbing liquid of cyclic water tank is mentioned certain pressure by high-pressure hydraulic pump, Venturi tube injector is then entered by the end A, makes water
Stream from the coarse to fine, accelerates flow rate of water flow, so that water flow is formed a vacuum area at the rear side D that Venturi tube injector exports, instead
Venturi tube injector can be entered by this vacuum action by answering the tail gas of kettle, as high pressure water flow flows into diffusion chamber together,
It enables tail gas contact with absorbing liquid mixed at high speed, so that absorbing liquid is carried out physics and chemical biabsorption to tail gas and achieve the purpose that purification.
Ammonia processing system of the present invention is used to handle the ammonia in reaction kettle tail gas, treatment effeciency using the structure of Venturi tube
Height, high treating effect.
As the preferred embodiment of the ammonia processing system of the present invention based on venturi principle, the absorption tower
Liquid outlet is connected with cyclic water tank, and the cyclic water tank passes through the liquid inlet of high-pressure hydraulic pump and the Venturi tube injector
It is connected.
As the preferred embodiment of the ammonia processing system of the present invention based on venturi principle, in the absorption tower
Equipped with coil pipe, the coil pipe is provided with recirculated cooling water.
As the preferred embodiment of the ammonia processing system of the present invention based on venturi principle, the reaction kettle
Surge tank is equipped between exhaust pipe and the gas access of Venturi tube injector.
As the preferred embodiment of the ammonia processing system of the present invention based on venturi principle, on the absorption tower
Equipped with pH detector and liquid level detector, leakage fluid dram, inlet and exhaust outlet；The inlet is clear water entrance, the liquid level
Detector is electrical connected with inlet and leakage fluid dram；The pH detector is electrical connected with leakage fluid dram, and the exhaust outlet, which is set to, to be inhaled
Receive the top of tower.
Another object of the present invention, which also resides in, provides a kind of ammonia processing method based on venturi principle, including following step
Rapid: ammonia absorbing liquid is delivered to the liquid inlet of Venturi tube injector by high-pressure hydraulic pump, and ammonia-contaminated gas is sprayed in Venturi tube
Under the action of device, it is transported to the gas access of Venturi tube injector, ammonia absorbing liquid and ammonia-contaminated gas are sufficiently mixed, and are entered
Absorption tower, ammonia is cooled and absorbs, and obtains waste liquid.
As the preferred embodiment of the ammonia processing method of the present invention based on venturi principle, the waste liquid with contain
The liquid-gas ratio of ammonia exhaust gas is 0.5~1L/m3.Through inventor the study found that when waste liquid and ammonia-contaminated gas use above-mentioned liquid-gas ratio,
Waste liquid fully can be contacted and be mixed with ammonia, reach optimal assimilation effect.
As the preferred embodiment of the ammonia processing method of the present invention based on venturi principle, the waste liquid does not reach
To discharge standard, it is delivered to the liquid inlet of Venturi tube injector.The waste liquid is used as ammonia when not up to discharge standard
The liquid inlet that aspiration liquid continues on to Venturi tube injector carries out cyclic absorption utilization；When waste liquid reaches discharge standard
When, waste liquid is discharged, water is put into as absorbent and carries out next absorption cycle.
As the preferred embodiment of the ammonia processing method of the present invention based on venturi principle, in the absorption tower
Temperature is 23~26 DEG C.Ammonia is dissolved in water heat release, needs to control the temperature in absorption tower, when temperature is controlled at 23~26 DEG C,
98% or more ammonia assimilation effect can be reached on the basis of saving cost.
The beneficial effects of the present invention are: the ammonia processing system based on venturi principle that the present invention provides a kind of.This
It invents the ammonia processing system to be used to handle the ammonia in reaction kettle tail gas using the structure of Venturi tube, solves reaction kettle
Tail gas caliber it is thin, it is long, more than elbow in the case where transmission problem and reaction kettle high concentration tail gas and the mass transfer of absorbing liquid ask
The treatment effeciency of topic, ammonia is high, high treating effect.The present invention also provides a kind of ammonia processing side based on venturi principle
Method.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of Venturi tube injector；
Fig. 2 is the structural schematic diagram of the ammonia processing system based on venturi principle described in embodiment；Wherein, 1, venturi
Pipe inspection device；2, high-pressure hydraulic pump；3, absorption tower；4, coil pipe；5, the first reaction kettle；6, the second reaction kettle；7, surge tank；8, it recycles
Water tank；9, exhaust outlet.
Specific embodiment
To better illustrate the object, technical solutions and advantages of the present invention, below in conjunction with specific embodiments and the drawings pair
The present invention is described further.
Embodiment 1
A kind of embodiment of ammonia processing system of the present invention based on venturi principle, the base described in the present embodiment
It include Venturi tube injector 1 in the ammonia processing system of venturi principle, ammonia absorbing liquid passes through high-pressure hydraulic pump 2 and the text
The liquid inlet of venturi injector 1 is connected, the gas access of the exhaust pipe of reaction kettle and the Venturi tube injector 1
It is connected, the gas and liquid mixture outlet of the Venturi tube injector 1 is connected with absorption tower 3.The gas and liquid mixture outlet is excellent
Choosing is set to the liquid level in absorption tower 3 or less.
It is equipped with coil pipe 4 in the absorption tower 3, the coil pipe 4 is provided with recirculated cooling water.
It is set between the gas access of the exhaust pipe and Venturi tube injector 1 of first reaction kettle 5 and the second reaction kettle 6
There is surge tank 7.
The liquid outlet on the absorption tower 3 is connected with cyclic water tank 8, the cyclic water tank 8 by high-pressure hydraulic pump 2 with it is described
The liquid inlet of Venturi tube injector 1 is connected.
The absorption tower 3 is equipped with pH detector (not shown) and liquid level detector (not shown), leakage fluid dram
(not shown), inlet (not shown) and exhaust outlet 9；The inlet is clear water entrance, the liquid level detector
It is electrical connected with inlet and leakage fluid dram；The pH detector is electrical connected with leakage fluid dram, and the exhaust outlet 9 is set to absorption tower 3
Top.The absorption tower 3 is exported equipped with ammonia absorbing liquid, and the outlet of ammonia absorbing liquid is connected with cyclic water tank 8, the ammonia
Absorbing liquid outlet is electrical connected with pH detector.The pH detector and liquid level detector and leakage fluid dram, inlet and ammonia are inhaled
The electric connection mode for receiving liquid outlet is the common connection type in this field.
The ammonia processing system based on venturi principle is in use, reaction kettle the first reaction kettle 5 and the second reaction kettle 6
The tail gas of generation is delivered to the gas access of Venturi tube injector 1 by exhaust pipe, and ammonia absorbing liquid passes through high pressure water
Pump 2 and the liquid inlet for being delivered to the Venturi tube injector 1, under the structure function of Venturi tube, flow rate of liquid becomes faster,
Near gas inlets are made to generate vacuum area, ammonia-contaminated gas enters Venturi tube injector by this vacuum action, with high pressure
Water flow flows into diffusion chamber together, and ammonia-contaminated gas is contacted with absorbing liquid mixed at high speed, and into absorption tower, ammonia is dissolved in ammonia absorbing liquid
In, under the cooling effect of coil pipe, ammonia is largely dissolved in absorbing liquid, when pH detector detects that ammonia absorbing liquid reaches
When to a certain concentration, i.e. waste liquid is discharged the leakage fluid dram of control 3 bottom of absorption tower, when liquid level detector is detected lower than certain liquid level
When, control leakage fluid dram is closed, and inlet opening is put into clear water into absorption tower 3, when liquid level detector is detected lower than certain liquid level
When, control leakage fluid dram is opened, and inlet is closed；When pH detector detects ammonia absorbing liquid lower than a certain concentration, i.e. control ammonia
The outlet of aspiration liquid, which is opened, drains into cyclic water tank for ammonia absorbing liquid, and the outlet of ammonia absorbing liquid is pumped to venturi by high pressure water
Pipe inspection device 1 is recycled as ammonia absorbing liquid.
Embodiment 2
A kind of embodiment of ammonia processing method of the present invention based on venturi principle, based on text described in the present embodiment
The ammonia processing method of principle in mound are as follows:
Ammonia absorbing liquid is delivered to the liquid inlet of Venturi tube injector by high-pressure hydraulic pump, and ammonia-contaminated gas is in Venturi tube
Under the action of injector, it is delivered to the gas access of Venturi tube injector, ammonia absorbing liquid and ammonia-contaminated gas are sufficiently mixed, into
Enter absorption tower, ammonia is cooled and absorbs, and obtains waste liquid.When the waste liquid in absorption tower is not up to discharge standard, high pressure is continued through
Water pump is delivered to the liquid inlet of Venturi tube injector；When the waste liquid in absorption tower reaches discharge standard, out of absorption tower
It releases, clear water is put into absorption tower, continue cycling through processing, controlling temperature in absorption tower is 23~26 DEG C, while described in control
The liquid-gas ratio of waste liquid and ammonia-contaminated gas is 0.5~1L/m3, under the liquid ratio, be able to achieve waste liquid and exhaust gas come into full contact with and
Mixing, ammonia good absorption effect.Ammonia processing method described in the present embodiment may be implemented absorbing liquid and carry out physics and change to tail gas
It learns biabsorption and achievees the purpose that purification, the purification efficiency of ammonia can be made to can achieve 98% or more with water, and greatly save
The waste liquid dosage of ammonia absorption water and generation is saved.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than protects to the present invention
The limitation of range is protected, although the invention is described in detail with reference to the preferred embodiments, those skilled in the art should
Understand, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the essence of technical solution of the present invention
And range.
Claims (9)
1. a kind of ammonia processing system based on venturi principle, which is characterized in that including Venturi tube injector, ammonia absorbs
Liquid is connected by high-pressure hydraulic pump with the liquid inlet of the Venturi tube injector, the exhaust pipe of reaction kettle and the literary mound
In the gas access of pipe inspection device be connected, the outlet of the gas and liquid mixture of the Venturi tube injector is connected with absorption tower.
2. the ammonia processing system based on venturi principle as described in claim 1, which is characterized in that the liquid on the absorption tower
Outlet is connected with cyclic water tank, and the cyclic water tank passes through the liquid inlet phase of high-pressure hydraulic pump and the Venturi tube injector
Even.
3. the ammonia processing system based on venturi principle as described in claim 1, which is characterized in that be equipped in the absorption tower
Coil pipe, the coil pipe are provided with recirculated cooling water.
4. the ammonia processing system based on venturi principle as described in claim 1, which is characterized in that the tail gas of the reaction kettle
Surge tank is equipped between exhaust pipe and the gas access of Venturi tube injector.
5. the system of the ammonia processing based on venturi principle as described in claim 1, which is characterized in that set on the absorption tower
There are pH detector and liquid level detector, leakage fluid dram, inlet and exhaust outlet；The inlet is clear water entrance, the liquid level inspection
Device is surveyed to be electrical connected with inlet and leakage fluid dram；The pH detector is electrical connected with leakage fluid dram, and the exhaust outlet, which is set to, to be absorbed
The top of tower.
6. a kind of ammonia processing method based on venturi principle, which comprises the following steps: high-pressure hydraulic pump is by ammonia
Absorbing liquid is delivered to the liquid inlet of Venturi tube injector, and ammonia-contaminated gas is conveyed under the action of Venturi tube injector
To the gas access of Venturi tube injector, ammonia absorbing liquid and ammonia-contaminated gas are sufficiently mixed, and into absorption tower, ammonia is cooled
And absorption, obtain waste liquid.
7. the ammonia processing method based on venturi principle as claimed in claim 6, which is characterized in that the waste liquid gives up with containing ammonia
The liquid-gas ratio of gas is 0.5~1L/m3。
8. the ammonia processing method based on venturi principle as claimed in claim 6, which is characterized in that the waste liquid is not up to arranged
Standard is put, the liquid inlet of Venturi tube injector is delivered to.
9. the ammonia processing method based on venturi principle as claimed in claim 6, which is characterized in that temperature in the absorption tower
It is 23~26 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811364394.3A CN109381970A (en) | 2018-11-15 | 2018-11-15 | A kind of ammonia processing system and method based on venturi principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811364394.3A CN109381970A (en) | 2018-11-15 | 2018-11-15 | A kind of ammonia processing system and method based on venturi principle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109381970A true CN109381970A (en) | 2019-02-26 |
Family
ID=65429401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811364394.3A Pending CN109381970A (en) | 2018-11-15 | 2018-11-15 | A kind of ammonia processing system and method based on venturi principle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109381970A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109999646A (en) * | 2019-05-23 | 2019-07-12 | 贾新华 | A kind of SNCR denitration system and method for denitration |
| CN111991994A (en) * | 2020-08-18 | 2020-11-27 | 江苏华昌化工股份有限公司 | Treatment method for volatilizing ammonia gas |
| CN112619374A (en) * | 2020-09-14 | 2021-04-09 | 俞德宏 | Waste gas treatment method |
| EP4021605A4 (en) * | 2020-06-17 | 2022-11-23 | Mohamed Hasan Soliman Abd Elmoez | Method of purification gasses with injection into liquids |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6149137A (en) * | 1998-11-02 | 2000-11-21 | Callidus Technologies, Inc. | Method and apparatus for quenching hot flue gases |
| CN201551956U (en) * | 2009-08-14 | 2010-08-18 | 暨南大学 | Treatment device for nitrogen oxidation in waste gas |
| CN203484035U (en) * | 2013-09-03 | 2014-03-19 | 陕西延长石油兴化化工有限公司 | Recovery device of critical air free ammonia on ammonia mother liquor II barrel top |
| CN205412610U (en) * | 2016-02-17 | 2016-08-03 | 宁夏格瑞精细化工有限公司 | Contain ammonia tail gas absorption system in two sweet phosphine production processes |
-
2018
- 2018-11-15 CN CN201811364394.3A patent/CN109381970A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6149137A (en) * | 1998-11-02 | 2000-11-21 | Callidus Technologies, Inc. | Method and apparatus for quenching hot flue gases |
| CN201551956U (en) * | 2009-08-14 | 2010-08-18 | 暨南大学 | Treatment device for nitrogen oxidation in waste gas |
| CN203484035U (en) * | 2013-09-03 | 2014-03-19 | 陕西延长石油兴化化工有限公司 | Recovery device of critical air free ammonia on ammonia mother liquor II barrel top |
| CN205412610U (en) * | 2016-02-17 | 2016-08-03 | 宁夏格瑞精细化工有限公司 | Contain ammonia tail gas absorption system in two sweet phosphine production processes |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109999646A (en) * | 2019-05-23 | 2019-07-12 | 贾新华 | A kind of SNCR denitration system and method for denitration |
| EP4021605A4 (en) * | 2020-06-17 | 2022-11-23 | Mohamed Hasan Soliman Abd Elmoez | Method of purification gasses with injection into liquids |
| CN111991994A (en) * | 2020-08-18 | 2020-11-27 | 江苏华昌化工股份有限公司 | Treatment method for volatilizing ammonia gas |
| CN112619374A (en) * | 2020-09-14 | 2021-04-09 | 俞德宏 | Waste gas treatment method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109381970A (en) | A kind of ammonia processing system and method based on venturi principle | |
| CN208694518U (en) | Energy-saving printing and dyeing emission-control equipment | |
| CN206378017U (en) | A kind of closed condensate recycling can exhaust steam secondary recovery system | |
| CN107441886A (en) | A kind of water-gas combined processing system of organic exhaust gas spray-absorption | |
| CN206881453U (en) | One kind mixing organic waste-gas purification and energy processing system | |
| CN101575288A (en) | Method for recovering ethyl acetate from wastewater containing ethyl acetate | |
| CN217613822U (en) | Carbon dioxide absorption system | |
| CN106268191A (en) | A kind of low-temperature methanol washing tail-gas water washing device and process thereof | |
| CN207430015U (en) | Integrated VOC exhaust treatment systems based on photocatalysis and membrane separation technique | |
| CN206463975U (en) | Chemical reaction pot waste gas negative pressure recovering device with spraying function | |
| CN105289214A (en) | Ammonia gas and silane mixed exhaust gas comprehensive treatment device | |
| CN201187012Y (en) | Multifunctional papermaking black liquor vacuum concentration apparatus | |
| CN107998836A (en) | A kind of laboratory exhaust gas processing system | |
| CN115040962A (en) | Carbon dioxide absorption system | |
| CN210645198U (en) | High-temperature gas negative pressure suction, condensation and compression treatment device | |
| CN204851391U (en) | Automobile tail gas treatment device | |
| CN208471583U (en) | A kind of station boiler citric acid wastewater enrichment facility | |
| CN107337286A (en) | A kind of continous way aerator | |
| CN209522606U (en) | A kind of evaporator system | |
| CN207699204U (en) | A kind of ammonium hydroxide preparation facilities | |
| CN207722619U (en) | A kind of hydroxide cuprammonium is changed a job the tail gas treatment device of skill | |
| CN201906553U (en) | Waste-gas secondary treatment and purification device with fan | |
| CN206288996U (en) | A kind of multistage continuous aeration processing unit of dichloromethane waste water | |
| CN206985850U (en) | Improve the municipal sewage deep well aeration processing unit of reaction efficiency | |
| CN205235701U (en) | Processing apparatus is synthesized to mixed waste gas of ammonia and silane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190226 |
|
| RJ01 | Rejection of invention patent application after publication |