CN106932531A - A kind of ammonia absorbs and monitoring device and its application method - Google Patents
A kind of ammonia absorbs and monitoring device and its application method Download PDFInfo
- Publication number
- CN106932531A CN106932531A CN201710223220.4A CN201710223220A CN106932531A CN 106932531 A CN106932531 A CN 106932531A CN 201710223220 A CN201710223220 A CN 201710223220A CN 106932531 A CN106932531 A CN 106932531A
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- China
- Prior art keywords
- ammonia
- getter
- absorption bottle
- bottle
- monitoring device
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- 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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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 109
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 55
- 238000012806 monitoring device Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000010521 absorption reaction Methods 0.000 claims abstract description 62
- 239000002253 acid Substances 0.000 claims abstract description 18
- 238000012546 transfer Methods 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 19
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 6
- 239000004327 boric acid Substances 0.000 claims description 5
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229920005479 Lucite® Polymers 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 description 8
- 238000011084 recovery Methods 0.000 description 6
- 235000011114 ammonium hydroxide Nutrition 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000002154 agricultural waste Substances 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 125000005619 boric acid group Chemical group 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000000618 nitrogen fertilizer Substances 0.000 description 1
- 235000021049 nutrient content Nutrition 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/16—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using titration
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Treating Waste Gases (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
Absorbed the present invention relates to a kind of ammonia and monitoring device and its application method, wherein ammonia absorbs and monitoring device includes getter branch road and getter main road, the getter branch road includes getter case, absorption bottle group and surge flask, wherein, absorption bottle group includes one or more absorption bottles, when absorption bottle is for multiple, it is connected in series by exhaust tube between each absorption bottle, equipped with the acid solution for absorbing ammonia in the absorption bottle, air inlet is provided with the getter case, the getter case is tightly connected with one end of transfer tube, the other end of the transfer tube is sealingly disposed in the first described absorption bottle of the absorption bottle group, the last described absorption bottle of the absorption bottle group is connected by the exhaust tube with the surge flask；The getter main road includes hybrid bottle, and the surge flask is tightly connected with the hybrid bottle by connecting tube, and the hybrid bottle is connected by sealing the pipeline for setting with air pump.
Description
Technical field
Absorbed the present invention relates to a kind of ammonia and monitoring device and its application method, belong to field of environment protection.
Background technology
All kinds of ammonia volatilizations are one of the material impact factors for causing air pollution, and the absorption measurement of ammonia has to environmental protection
It is significant.At present, conventional ammonia monitoring method including multiple spot on-line sampling and closed absorption etc., in order that monitoring result
It is more accurate, it is desirable to which that monitored target is in the state freely volatilized, but the ammonia for volatilizing cannot be absorbed, and can not only be made
Into the loss of monitoring object nutrient content in itself, and pollute the environment.Multiple spot on-line sampling monitoring device is due to cost and dimension
Shield is costly, it is impossible to large-scale application；And closed absorption process is used for monitoring the Ammonia valatilization shape of farmland, agricultural wastes etc.
Condition, the device used in monitoring process and test method are difficult the actual ammonia volatilization situation of simulation, accuracy because of device seal difference
It is poor with special specific aim.
The content of the invention
For problem present in background technology, system conclusion and recovery can be provided it is an object of the invention to provide one kind
Rate ammonia high absorbs and monitoring device and its application method.
To achieve the above object, the present invention uses following technical scheme：A kind of ammonia absorbs and monitoring device, and its feature exists
In：Including getter branch road and getter main road, the getter branch road includes getter case, absorption bottle group and surge flask, wherein, absorption bottle
Group includes one or more absorption bottles, when absorption bottle is for multiple, is connected in series by exhaust tube between each absorption bottle,
Equipped with the acid solution for absorbing ammonia in the absorption bottle, air inlet, the getter case and transmission are provided with the getter case
One end of pipe is tightly connected, and the other end of the transfer tube is sealingly disposed in the first described absorption bottle of the absorption bottle group,
The last described absorption bottle of the absorption bottle group is connected by the exhaust tube with the surge flask；The getter main road bag
Hybrid bottle is included, the surge flask is tightly connected with the hybrid bottle by connecting tube, the hybrid bottle is by sealing the pipe for setting
Road is connected with air pump.
The acid solution set in the absorption bottle is boric acid or dilute sulfuric acid, to the transfer tube of the absorption bottle air inlet
Or the entrance point of exhaust tube is arranged at below the liquid level of the acid solution, the exhaust tube conveyed outward from the absorption bottle
The port of export is on the liquid level of the acid solution, and the mouth of pipe of the connecting tube set in the surge flask is higher than the pumping
The mouth of pipe of the mouth of pipe of the connecting tube set in the mouth of pipe of pipe, and the hybrid bottle less than the pipeline.
The getter branch road is no less than three tunnels.
One or more holes are provided with a section that the transfer tube stretches into the getter case.
The getter case includes the closed liquid storage tank of closure and open top bottom of inclined roof construction, the closure
The openend of the liquid storage tank is removably sealingly disposed in, is provided with for being put into hygrosensor on the closure
Temperature sensing hole.
The air inlet is arranged on the closure, and quantity is 12, and scattering device is on four sides.
Barometric damper and flowmeter are provided with the pipeline between the hybrid bottle and the air pump；Described
The bottom of liquid storage tank is provided with sample tap.
The appendix, connecting tube and pipeline are made of lucite.
A kind of ammonia absorbs the application method with monitoring device, comprises the following steps：
1) material for determining ammonia volatilization will be needed to put into getter case or be placed on getter case to be needed to monitor Ammonia valatilization
In environment；
2) air pump is opened；
3) after reaching predetermined soak time, air pump is closed, using in the method detection detection absorption bottle group that acid solution is titrated
The uptake of ammonia.
Due to taking above technical scheme, it has advantages below to the present invention：1st, the getter case in getter branch road of the present invention
It is tightly connected by exhaust tube with absorption bottle and the mouth of pipe of exhaust tube is arranged under the liquid level of absorbing ammonia gasoloid in absorption bottle, because
This ammonia can be fully absorbed in getter branch road, and the rate of recovery is high.2nd, getter branch road of the invention is multiple, each getter branch
Road is finally all connected with the hybrid bottle in getter main road, and hybrid bottle is connected finally by pipeline with air pump, therefore the present apparatus can be same
When ammonia in multiple getter casees is absorbed by multiple getter branch pipes.3rd, absorption bottle of the present invention absorbing ammonia in air pump opening process
Gas, the method that air pump is titrated after closing by acid solution can accurately predict the amount of absorption ammonia in absorption bottle.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present invention；
Fig. 2 is the overall structure diagram of getter case of the present invention；
Fig. 3 is the perspective structure schematic diagram of closure of the present invention；
Fig. 4 is the structural representation of liquid storage tank of the present invention.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1 and Figure 2, the present invention includes getter branch road and getter main road.Getter branch road includes getter case 1, absorption bottle
Group and surge flask 5, wherein, absorption bottle group includes one or more absorption bottles 4, when absorption bottle 4 for it is multiple when, each absorption bottle 4 it
Between be connected in series by exhaust tube 3, in absorption bottle 4 be equipped with acid solution.Air inlet 2, getter case 1 and biography are provided with getter case 1
One end of defeated pipe is tightly connected, and the other end of transfer tube is sealingly disposed in the first absorption bottle 4 of absorption bottle group, absorption bottle group
The last absorption bottle 4 is connected by exhaust tube 3 with surge flask 5.Getter main road includes hybrid bottle 6, surge flask 5 and hybrid bottle 6
It is tightly connected by connecting tube, hybrid bottle 6 is connected by sealing the pipeline for setting with air pump 7.
In above-described embodiment, the acid solution set in absorption bottle 4 is boric acid or dilute sulfuric acid, to the transfer tube of the air inlet of absorption bottle 4
Or the port of export of exhaust tube 3 is arranged at below the liquid level of acid solution, the entrance point of the exhaust tube 3 conveyed outward from absorption bottle 4 is equal
On liquid level in acid solution.Absorbed when the ammonia in getter case 1 enters absorption bottle 4 by transfer tube, absorbed ammonia
Tolerance is detected by the method that sulfuric acid is titrated.The mouth of pipe of the connecting tube set in surge flask 5 is higher than the mouth of pipe of exhaust tube 3, and is mixed
Close the mouth of pipe of the mouth of pipe less than pipeline of the connecting tube set in bottle 6.
In above-described embodiment, getter branch road is no less than three tunnels, and getter branch road finally all by connecting tube and getter main road
In hybrid bottle 6 be tightly connected.
In above-described embodiment, if being provided with dry hole on transfer tube stretch into getter case 1 a section, absorbed air pump 7 is opened
During ammonia, the ammonia in getter case 1 is more easy to be suctioned out by transfer tube.
In above-described embodiment, as shown in figure 3, getter case 1 includes closure 10 and the open top bottom of inclined roof construction
Closed liquid storage tank 11, liquid storage tank 11 is to verify the using effect of product of the present invention, loading ammoniacal liquor during experiment wherein.It is close
Capping 10 is removably sealingly disposed in the openend of liquid storage tank 11, is provided with for being put into hygrosensor on closure 10
Temperature sensing hole 12, hygrosensor is used to measure temperature in getter case 1.
In above-described embodiment, air inlet 2 is arranged on closure 10, and quantity is 12, and scattering device is four sides
On.
In above-described embodiment, barometric damper 8 and flow are provided with the pipeline between hybrid bottle 6 and air pump 7
Meter 9.As shown in figure 4, being provided with sample tap 13 in the bottom of liquid storage tank 11, it is easy to operating personnel that receipts are understood in experimentation
The change of the physical and chemical index of liquid in gas tank 1.
In above-described embodiment, transfer tube, exhaust tube, connecting tube and pipeline are made of lucite.
Absorbed based on above-mentioned ammonia and monitoring device, the present invention also proposes that a kind of ammonia absorbs the user with monitoring device
Method, comprises the following steps：
1) material for determining ammonia volatilization will be needed to put into getter case 1 or be placed on getter case 1 to be needed to monitor Ammonia valatilization
Environment in；
2) air pump 7 is opened；
3) after reaching predetermined soak time, air pump 7 is closed, using in the method detection detection absorption bottle group that acid solution is titrated
The uptake of ammonia.
Effect of the invention is illustrated below by a specific embodiment.
Ammonia is absorbed using boric acid, the method for sulfuric acid titration determines the ammonia quality for absorbing, and the acid solution of absorption is rich in nitrogen
Can be used as nitrogenous fertilizer by treatment.
In order to verify the feasibility of device, deduced by the content of the ammonia element to being absorbed in boric acid device to ammonia
The rate of recovery.According to the data that data in literature arrangement and preliminary experiment are done, actual Ammonia valatilization amount scope, this Setup Experiments are determined
Tri- ammonia total amounts of 100mg, 300mg and 510mg, ventilation set of frequency 4 be followed successively by 5 times/min, 10 times/min, 15 times/min
With 20 times/min, three pumpdown times are set and are followed successively by 10min, 20min and 30min, more than have 36 groups of experiments, every group of experiment altogether
Three parallel laboratory tests are set, totally 108 experiments.
Make Ammonia valatilization in ammoniacal liquor out by being heated to ammoniacal liquor in experimentation, ammoniacal liquor mass concentration is 25%.
Ammonia recovery rate under different pumpdown time ventilation frequencies
The 108 groups of experiments for being carried out using this device as seen from table, each experiment has been above 70% to the rate of recovery of ammonia,
Especially when this occurs between reach 30min, when ventilation frequency reaches 20 times/min, the rate of recovery of three kinds of different ammoniacal liquor mass concentrations is equal
Reach 90%.
The present invention is only illustrated with above-described embodiment, and the structure of each part, set location and its connection all can be have
Changed, on the basis of technical solution of the present invention, all improvement carried out to individual part according to the principle of the invention and equivalent
Conversion, should not exclude outside protection scope of the present invention.
Claims (9)
1. a kind of ammonia absorbs and monitoring device, it is characterised in that：Including getter branch road and getter main road, the getter branch road bag
Getter case, absorption bottle group and surge flask are included, wherein, absorption bottle group includes one or more absorption bottles, when absorption bottle is for multiple,
It is connected in series by exhaust tube between each absorption bottle, it is described equipped with the acid solution for absorbing ammonia in the absorption bottle
Air inlet is provided with getter case, the getter case is tightly connected with one end of transfer tube, the other end sealing of the transfer tube
It is arranged in the first described absorption bottle of the absorption bottle group, the last described absorption bottle of the absorption bottle group is by described
Exhaust tube is connected with the surge flask；The getter main road includes hybrid bottle, and the surge flask is with the hybrid bottle by being connected
The seal of tube is connected, and the hybrid bottle is connected by sealing the pipeline for setting with air pump.
2. a kind of ammonia as claimed in claim 1 absorbs and monitoring device, it is characterised in that：The institute set in the absorption bottle
Acid solution is stated for boric acid or dilute sulfuric acid, is arranged to the transfer tube of the absorption bottle air inlet or the entrance point of exhaust tube described
Below the liquid level of acid solution, the port of export of the exhaust tube conveyed outward from the absorption bottle be in the acid solution liquid level it
On, the mouth of pipe of the mouth of pipe higher than the exhaust tube of the connecting tube set in the surge flask, and set in the hybrid bottle
The connecting tube the mouth of pipe less than the pipeline the mouth of pipe.
3. a kind of ammonia as claimed in claim 1 absorbs and monitoring device, it is characterised in that：The getter branch road is no less than three
Road.
4. a kind of ammonia as claimed in claim 1 absorbs and monitoring device, it is characterised in that：The transfer tube stretches into the receipts
One or more holes are provided with a section in gas tank.
5. a kind of ammonia as claimed in claim 1 absorbs and monitoring device, it is characterised in that：The getter case includes inclined roof
The closed liquid storage tank of closure and open top bottom of structure, the closure is removably sealingly disposed in the liquid storage tank
Openend, the temperature sensing hole for being put into hygrosensor is provided with the closure.
6. a kind of ammonia as claimed in claim 5 absorbs and monitoring device, it is characterised in that：The air inlet is arranged on described
On closure, and quantity is 12, and scattering device is on four sides.
7. a kind of ammonia as claimed in claim 1 absorbs and monitoring device, it is characterised in that：Positioned at the hybrid bottle and institute
State and barometric damper and flowmeter are provided with the pipeline between air pump；The bottom of the liquid storage tank is provided with sample tap.
8. a kind of ammonia as claimed in claim 1 absorbs and monitoring device, it is characterised in that：The appendix, connecting tube and
Pipeline is made of lucite.
9. a kind of ammonia as described in any one of claim 1 to 8 absorbs the application method with monitoring device, comprises the following steps：
1) material for determining ammonia volatilization will be needed to put in getter case or be placed on getter case the environment for needing to monitor Ammonia valatilization into
In；
2) air pump is opened；
3) after reaching predetermined soak time, air pump is closed, using ammonia in the method detection detection absorption bottle group that acid solution is titrated
Uptake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710223220.4A CN106932531A (en) | 2017-04-07 | 2017-04-07 | A kind of ammonia absorbs and monitoring device and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710223220.4A CN106932531A (en) | 2017-04-07 | 2017-04-07 | A kind of ammonia absorbs and monitoring device and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106932531A true CN106932531A (en) | 2017-07-07 |
Family
ID=59426297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710223220.4A Pending CN106932531A (en) | 2017-04-07 | 2017-04-07 | A kind of ammonia absorbs and monitoring device and its application method |
Country Status (1)
| Country | Link |
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| CN (1) | CN106932531A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108008065A (en) * | 2017-11-02 | 2018-05-08 | 潍坊中创生物科技有限公司 | Ammonia gas detection device and ammonia gas detection method |
| CN111773897A (en) * | 2020-07-27 | 2020-10-16 | 北京市农林科学院 | Ammonia gas absorption device and method |
| CN117330699A (en) * | 2023-09-12 | 2024-01-02 | 北京市农林科学院 | Unpowered compost ammonia monitoring device and use method |
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| CN206756768U (en) * | 2017-04-07 | 2017-12-15 | 北京市农林科学院 | A kind of ammonia absorbs and monitoring device |
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| JPH07113796A (en) * | 1993-10-14 | 1995-05-02 | Mitsubishi Heavy Ind Ltd | Automatic gas gathering method and automatic gas analyzing method |
| CN201014973Y (en) * | 2007-01-29 | 2008-01-30 | 江苏江分电分析仪器有限公司 | Two-way atmospheric sampling device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108008065A (en) * | 2017-11-02 | 2018-05-08 | 潍坊中创生物科技有限公司 | Ammonia gas detection device and ammonia gas detection method |
| CN111773897A (en) * | 2020-07-27 | 2020-10-16 | 北京市农林科学院 | Ammonia gas absorption device and method |
| CN111773897B (en) * | 2020-07-27 | 2024-04-30 | 北京市农林科学院 | Ammonia gas absorption device and method |
| CN117330699A (en) * | 2023-09-12 | 2024-01-02 | 北京市农林科学院 | Unpowered compost ammonia monitoring device and use method |
| CN117330699B (en) * | 2023-09-12 | 2024-04-09 | 北京市农林科学院 | Unpowered compost ammonia monitoring device and use method |
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Application publication date: 20170707 |
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