CN209043849U - The on-line analysis system of ammonia - Google Patents
The on-line analysis system of ammonia Download PDFInfo
- Publication number
- CN209043849U CN209043849U CN201821462596.7U CN201821462596U CN209043849U CN 209043849 U CN209043849 U CN 209043849U CN 201821462596 U CN201821462596 U CN 201821462596U CN 209043849 U CN209043849 U CN 209043849U
- Authority
- CN
- China
- Prior art keywords
- pipe
- condenser
- distillation column
- gas chromatograph
- moisture teller
- 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.)
- Active
Links
Landscapes
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The utility model provides a kind of on-line analysis system of ammonia, comprising: ammonia production system；The ammonia production system includes being sequentially connected logical de-light rectification column, de- heavy distillation column and condenser；The de-light rectification column is connected with de- heavy distillation column by first pipe；Gas chromatograph；The gas chromatograph is connected with the de-light rectification column；The gas chromatograph is connected with the first pipe；The gas chromatograph is connected with the de- heavy distillation column；The gas chromatograph is connected with the condenser；Moisture teller；The moisture teller is connected with the de-light rectification column；The moisture teller is connected with the first pipe；The moisture teller is connected with the de- heavy distillation column；The moisture teller is connected with the condenser.Compared with prior art, the utility model can real-time monitoring production process by being connected with moisture teller with four sampled points in ammonia production system using gas chromatograph.
Description
Technical field
The utility model belongs to special gas technical field more particularly to a kind of on-line analysis system of ammonia.
Background technique
In the LED industry to grow at top speed in recent years, ultra-pure ammonia can be used as LED blue green light epitaxial chip in its upstream industry
Manufacture one of most important raw material；In PV (solar battery) industry, ultra-pure ammonia then be can be used as in crystal silicon solar energy battery
The important nitrogen source of silicon nitride film；During manufacturing solar battery and LED chip, require to use a large amount of super
Pure ammonia is as nitrogen source；Application of the ultra-pure ammonia in numerous industries is more and more extensive, and the market demand constantly increases, and has biggish
Market potential and higher economic benefit.
For the analysis of water mainly according to national standard GB/T 14601-93 calcium carbide conversion method in traditional ammonia impurity analysis
The detection of moisture content is carried out, the disadvantages of the method are as follows transformation mechanism and conversion ratio not can determine that, so quantitative inaccuracy, and detect spirit
Sensitivity is low, and for H2、O2、N2、CH4、CO、CO2Analysis also mainly detected and minimum detectable level also exists using TCD detector
Ppm grades, this method is not able to satisfy the analysis of ppb grades of impurity of electronic grade ultrapure ammonia, and traditional superpure nitrogen purity detecting does not have also
There are the on-line monitoring for realizing entire technical process and detection, the detection of bottle bottle or sampling observation can only be carried out to product.This analysis method
Correct judgement cannot be made to the performance of equipment in time, the problem can not be solved in time.
Utility model content
In view of this, the technical problem to be solved by the present invention is to provide a kind of on-line analysis systems of ammonia.
The utility model provides a kind of on-line analysis system of ammonia, comprising:
Ammonia production system；
The ammonia production system includes being sequentially connected logical de-light rectification column, de- heavy distillation column and condenser；It is described de-
Light rectifying column is connected with de- heavy distillation column by first pipe；
Gas chromatograph；The gas chromatograph is connected with the de-light rectification column；The gas chromatograph with it is described
First pipe is connected；The gas chromatograph is connected with the de- heavy distillation column；The gas chromatograph and the condensation
Device is connected；
Moisture teller；The moisture teller is connected with the de-light rectification column；The moisture teller with it is described
First pipe is connected；The moisture teller is connected with the de- heavy distillation column；The moisture teller and the condensation
Device is connected.
It preferably, further include second pipe；
The de-light rectification column, first pipe, de- heavy distillation column and condenser pass through second pipe and the gas phase respectively
Chromatograph is connected；
The de-light rectification column, first pipe, de- heavy distillation column and condenser pass through second pipe and the moisture respectively
Analyzer is connected.
Preferably, the de-light rectification column is connected by the first valve with the second pipe；The first pipe is logical
The second valve is crossed to be connected with the second pipe；The de- heavy distillation column is connected by third valve with the second pipe
It is logical；The condenser is connected by the 4th valve with the second pipe；The second pipe by the 5th valve with it is described
Gas chromatograph is connected；The second pipe is connected by the 6th valve with the moisture teller.
Preferably, buffer is provided on the second pipe；The internal diameter of the buffer is greater than the internal diameter of second pipe.
Preferably, filter is provided on the second pipe.
Preferably, the second pipe is connected by pressure regulator with the gas chromatograph；The second pipe
It is connected by pressure regulator with the moisture teller.
It preferably, further include exhausting pipeline；The exhausting pipeline is connected with the second pipe.
It preferably, further include the 7th valve and check valve；The exhausting pipeline pass sequentially through check valve and the 7th valve with
The second pipe is connected.
It further include preferably the first condenser, the tower top of the de-light rectification column is connected with the first condenser；It is described de-
Light rectifying column is the connectivity part of the first condenser and de-light rectification column with the gas chromatograph place of being connected；The de-light rectification column with
The moisture teller place of being connected is the connectivity part of the first condenser and de-light rectification column；
It further include head tank；The tower top of the de- heavy distillation column is connected with the import of condenser；The condenser goes out
Mouth is connected by head tank with the de- heavy distillation column；The de- heavy distillation column is de- weight essence with the gas chromatograph place of being connected
Evaporate the connectivity part of tower and condenser；The de- heavy distillation column is de- heavy distillation column and condenser with the moisture teller place of being connected
Connectivity part；The condenser is connected by head tank with gas chromatograph；The condenser passes through head tank and determination of moisture
Instrument is connected.
It preferably, further include nitrogen pipeline；The nitrogen pipeline is connected with the moisture teller.
The utility model provides a kind of on-line analysis system of ammonia, comprising: ammonia production system；The ammonia production
System includes being sequentially connected logical de-light rectification column, de- heavy distillation column and condenser；The de-light rectification column and de- heavy distillation column
It is connected by first pipe；Gas chromatograph；The gas chromatograph is connected with the de-light rectification column；The gas phase color
Spectrometer is connected with the first pipe；The gas chromatograph is connected with the de- heavy distillation column；The gas chromatograph
It is connected with the condenser；Moisture teller；The moisture teller is connected with the de-light rectification column；The moisture is surveyed
Determine instrument to be connected with the first pipe；The moisture teller is connected with the de- heavy distillation column；The moisture teller
It is connected with the condenser.Compared with prior art, the utility model by using gas chromatograph and moisture teller with
Four sampled points in ammonia production system are connected can real-time monitoring production process.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of ammonia on-line analysis system provided by the utility model；
Fig. 2 is the structural schematic diagram of production system provided by the utility model；
Fig. 3 is the useless ammonia absorption system schematic diagram that production system provided by the utility model generates.
Specific embodiment
Below in conjunction with the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear, complete
Site preparation description, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
Every other embodiment, fall within the protection scope of the utility model.
The utility model provides a kind of on-line analysis system of ammonia, comprising:
Ammonia production system；
The ammonia production system includes being sequentially connected logical de-light rectification column, de- heavy distillation column and condenser；It is described de-
Light rectifying column is connected with de- heavy distillation column by first pipe；
Gas chromatograph；The gas chromatograph is connected with the de-light rectification column；The gas chromatograph with it is described
First pipe is connected；The gas chromatograph is connected with the de- heavy distillation column；The gas chromatograph and the condensation
Device is connected；
Moisture teller；The moisture teller is connected with the de-light rectification column；The moisture teller with it is described
First pipe is connected；The moisture teller is connected with the de- heavy distillation column；The moisture teller and the condensation
Device is connected.
Referring to Fig. 1 and Fig. 2, Fig. 1 is the structural schematic diagram of ammonia on-line analysis system provided by the utility model, wherein 1
It is first pipe for de-light rectification column, 2,3 be de- heavy distillation column, and 4 be condenser, and 5 be gas chromatograph, and 6 be determination of moisture
Instrument, 7 be second pipe, and 8 be buffer, and 9 be filter, and 10 be pressure regulator, and 11 be third pipeline, and 12 be the first valve,
13 be the second valve, and 14 be third valve, and 15 be the 4th valve, and 16 be the 8th valve, and 17 be the second exhausting pipeline, and 18 be the 9th
Valve, 19 be check valve, and 20 be exhausting pipeline, and 21 be the 7th valve, and 22 be check valve, and 23 be the 5th valve, and 24 be the 6th valve
Door, 25 be nitrogen pipeline.
Fig. 2 is the structural schematic diagram of ammonia production system provided by the utility model.
Ammonia on-line analysis system provided by the utility model includes ammonia production system；The ammonia production system is this
Ammonia production system known to the technical staff of field, has no special limitation, preferably includes self-cleaning processor；The self-cleaning
Processor is connected with de-light rectification column, and the effect of raw material self-cleaning can be made full use of to achieve the purpose that pre- purification.
To provide the efficiency of production system, it is also preferable to include head tank, the self-cleaning processor by head tank with it is described
De-light rectification column is connected.During self-cleaning processor self-cleaning, head tank provides raw material for de-light rectification column.
According to the utility model, it is also preferable to include the first head tanks for the production system；The head tank is high by first
Position slot is connected with the de-light rectification column；Raw material enters de-light rectification column from head tank；The head tank preferably respectively with gas
Chromatography and moisture teller are connected；The moisture teller is that moisture teller well known to those skilled in the art is
Can, special limitation is had no, is preferably Halo moisture teller in the utility model；The tower top of the de-light rectification column and first
Condenser is connected；The de-light rectification column is connected with the connectivity part of the first condenser with gas chromatograph, i.e., described de- light
Rectifying column is the connectivity part of the first condenser and de-light rectification column with the gas chromatograph place of being connected；The de-light rectification column and the
The connectivity part of one condenser is connected with moisture teller, i.e., the described de-light rectification column is first with the moisture teller place of being connected
The connectivity part of condenser and de-light rectification column；The tower bottom of the de-light rectification column is connected with the second reboiler；After self-cleaning processing
Industrial liquid ammonia enter from the middle and upper part of de-light rectification column, when rectifying, the liquid of the first condenser condensation is from tower top along filler table
Face flows downward in film-form, and gas then from bottom to top carries out adverse current differential contacts in filler surface with film at continuous phase, makes
Gas-liquid two-phase is able to carry out good heat and mass transfer process；To come into full contact with gas-liquid two-phase, filling out in the de-light rectification column
Material is preferably stainless steel cloth, more preferably 316L stainless steel cloth；The mesh of the stainless steel cloth is more than or equal to 70 mesh；Institute
It is identical to state the height of highly preferred and de-light rectification column of filler.By gas-liquid exchange repeatedly in de-light rectification column, by ammonia
Light component in gas is separated with heavy constituent, and light component H is discharged in the top of the distillation column2、O2Deng tower bottom moisture accumulation distillates water, metal
Heavy constituent is discharged in the heavy constituents impurity such as ion, achievees the purpose that remove the impurity such as micro oil, water and metal ion.It is described de-
The discharge port of light rectifying column is preferably placed at the tower reactor side line of de-light rectification column.By the N in de-light rectification column product2、H2、CO、
CO2Equal impurity have eliminated substantially.
The discharge port of the de-light rectification column is connected by first pipe with the de- heavy distillation column；By taking off light rectifying
Afterwards, it is greater than 99.99% from the tower reactor lateral line withdrawal function concentration of de-light rectification column, moisture content is 19 ppm, and temperature is 49 DEG C~52
DEG C ammonia saturated vapor be passed through in de- heavy distillation column；For the gas phase for maintaining charging, the discharge port of the de-light rectification column and de- weight
The first pipe that rectifying column feed inlet is connected is preferably provided with attemperator and/or heating device, to guarantee the temperature of gas
Higher than 49 DEG C without being liquefied.The first pipe is connected with gas chromatograph and moisture teller respectively；The moisture is surveyed
It is same as above to determine instrument, details are not described herein.
The tower top of the de- heavy distillation column is preferably connected with the import of condenser；The de- heavy distillation column and condenser
Connectivity part is preferably connected with gas chromatograph, i.e., the described de- heavy distillation column is de- heavy distillation column with the gas chromatograph place of being connected
With the connectivity part of condenser；The de- heavy distillation column is preferably connected with moisture teller with the connectivity part of condenser, i.e., described
De- heavy distillation column is the connectivity part for taking off heavy distillation column and condenser with the moisture teller place of being connected, and enters condenser to measure
The ingredient of material；The tower bottom of the de- heavy distillation column is connected with the second reboiler；It is repeatedly carried out simultaneously in de- heavy distillation column
Partial gasification, partial condensation, gas-liquid two-phase realize heat and mass transfer separation in tower, by repeatedly gas-liquid exchange, by ammonia with
The heavy constituents such as moisture are separated；The tower top of de- heavy distillation column continuously discharges on a small quantity, micro- to prevent from coming in de-light rectification column
The light component of amount is assembled in tower top；De- heavy distillation column tower bottom moisture accumulation, is discharged heavy constituent, reaches dewatered purpose
According to the utility model, it is also preferable to include head tanks；The outlet of the condenser preferably passes through head tank and takes off with described
Heavy distillation column is connected.The liquid come out from condenser arrives first head tank, and then a part returns to de- heavy distillation column, and a part is made
For finished product, it is collected into finished pot；Therefore, the condenser preferably passes through head tank and gas chromatograph and moisture teller phase
Connection.
To improve the efficiency detected in ammonia production process, four samplings are arranged in the utility model in ammonia production system
Point, using light component and the content of moisture in gas chromatograph and moisture teller test sample；The moisture teller is this
Moisture teller known to the technical staff of field has no special limitation, and preferably Halo moisture is surveyed in the utility model
Determine instrument.
For simplified control program, the on-line analysis system further includes second pipe；The de-light rectification column, the first pipe
Road, de- heavy distillation column pass through second pipe with condenser respectively and are connected with the gas chromatograph；The de-light rectification column,
One pipeline, de- heavy distillation column pass through second pipe with condenser respectively and are connected with the moisture teller；It is highly preferred that described
De-light rectification column is connected by the first valve with the second pipe, and the first pipe passes through the second valve and described second
Pipeline is connected；The de- heavy distillation column is connected by third valve with the second pipe；The condenser passes through the 4th
Valve is connected with the second pipe；More preferably, the on-line analysis system further includes third pipeline, described to take off light rectifying
Tower is connected by the first valve with the third pipeline, and the first pipe is connected by the second valve with the third pipeline
It is logical；The de- heavy distillation column is connected by third valve with the third pipeline；The condenser passes through the 4th valve and institute
Third pipeline is stated to be connected；The third pipeline is connected with second pipe；The third pipeline preferably pass through the 8th valve with
The second pipe is connected；Buffer is preferably provided on the second pipe；The internal diameter of the buffer is greater than the second pipe
The internal diameter in road；The length of the buffer is preferably 100~1000mm, more preferably 100~600mm, further preferably for 200~
400 mm, most preferably 200~300mm；Buffer can guarantee that sample enters the steady of gas chromatographicanalyzer and moisture teller
It is qualitative；Filter is preferably additionally provided on the second pipe；The filter is preferably placed at buffer and gas chromatographic analysis
Between instrument and moisture teller；Filter can reduce the impurity into gas chromatograph and moisture teller；In the filter
The aperture of filter membrane is preferably 0.01~0.1 μm, and more preferably 0.01~0.08 μm, be further preferably 0.02~0.06 μm, most preferably
It is 0.03~0.04 μm.
According to the utility model, it is also preferable to include pressure regulators for the on-line analysis system；The second pipe passes through
Pressure regulator is connected with the gas chromatograph；The second pipe passes through pressure regulator and the moisture teller phase
Connection；Pressure regulator enters the pressure of gas chromatograph and moisture teller to adjust sample；To be convenient for control sample
Into gas chromatograph or moisture teller；The second pipe preferably passes sequentially through pressure regulator and the 5th valve and institute
Gas chromatograph is stated to be connected；The second pipe preferably passes sequentially through pressure regulator and the 6th valve and the determination of moisture
Instrument is connected.
In the present invention, it is also preferable to include exhausting pipelines；The exhausting pipeline is connected with the second pipe, more
It is preferred that being connected by pressure regulator with second pipe, i.e., one end remote apart from filter with pressure regulator is connected；Institute
State that exhausting pipeline preferably passes sequentially through check valve and the 7th valve is connected with the second pipe.Exhausting pipeline can be used for every
Sample after secondary detection in exhausting pipeline.The exhausting pipeline is preferably connected with absorption tower, to absorb the sample of discharge.
It is also preferable to include the second exhausting pipelines；Second exhausting pipeline preferably pass through triple valve simultaneously with third pipeline and
Second pipe is connected；The 9th valve and single-phase valve are preferably provided on second exhausting pipeline；The check valve is located at second and puts
Vacant duct exit end；Second exhausting pipeline is used for the sample after detecting every time in exhausting pipeline.Second blow-down pipe
Road is preferably connected with absorption tower, to absorb the sample of discharge.
According to the utility model, it is also preferable to include ultra-pure ammonia tank cars；The discharging of the ultra-pure ammonia tank car and the condenser
Mouth is connected.Directly ultra-pure ammonia is filled in ultra-pure ammonia tank car by way of pressure difference, cost tank is needed not move through, then uses again
Pump squeezes into the process of tank car, would not there is the pollution problem of pump leakage.
According to the utility model, it is also preferable to include low temperature recycling cans for the production system；The low temperature recycling can passes through the
One condenser is connected with the tower top of the de-light rectification column；The low temperature recycling can preferably also by the first reboiler with it is described
The tower bottom of de-light rectification column is connected.The low temperature recycling can is provided with refrigerating plant, in order to recycle the gas phase of rectifying column.
According to the utility model, it is also preferable to include useless industrial ammonia tanks for the production system；The low temperature recycling can with it is described
Useless industrial ammonia tank be connected, after the liquid level in low temperature recycling can reach a certain height, be driven by cryogenic liquid pump useless
Industrial ammonia tank.The repeatable recycling of heavy constituent of the light component and tower bottom discharge of the tower top discharge of de-light rectification column is to prepare industry
Liquefied ammonia.
According to the utility model, the tower top of the de- heavy distillation column preferably passes through condenser and is connected with low temperature recycling can；
The tower bottom of the de- heavy distillation column preferably pass through the second reboiler be connected with low temperature recycling can unconventional heavy distillation column tower top discharge
Light component and tower bottom discharge the repeatable recycling of heavy constituent to prepare industrial liquid ammonia.
In order to guarantee the accuracy of moisture teller；It is also preferable to include nitrogen for on-line analysis system provided by the utility model
Pipeline；The nitrogen pipeline is connected with the moisture teller, after each test sample, is filled with nitrogen by nitrogen pipeline
Gas purges moisture teller.
In order to realize production system ammonia zero-emission, achieve the purpose that clean manufacturing, it is also preferable to include first grade absorption towers；Institute
It states first grade absorption tower and is connected with the multiple points for generating useless ammonia in system；Since ammonia has greatly during being absorbed as ammonium hydroxide
The heat of amount generates, and can increase the solubility of ammonia additionally by the temperature for reducing water, therefore ammonium hydroxide needs to pass through condenser
Cooling, the first grade absorption tower preferably pass through circulating pump and are connected with the 4th condenser.It is useless from production system various pieces
Ammonia enters in first grade absorption tower, is come into full contact with by the cold water of circulation, and the ammonia of total amount 90% is absorbed as 25%
It is saturated ammonium hydroxide；The liquid outlet of the first grade absorption tower is preferably connected with tank used for storing ammonia；It is continuous to absorb ammonia, when level-one is inhaled
It receives ammonium hydroxide in tower to squeeze into tank used for storing ammonia by cyclic ammonia water pump when reaching 25% saturated concentration, then by 25% saturated ammonia
Water process gives the producer for having qualification recycling ability to recycle.
In order to improve absorption efficiency, it is also preferable to include two-level absorption towers；The two-level absorption tower includes gas feed and liquid
Body outlet；The gas feed of the two-level absorption tower is connected with the first grade absorption tower, the liquid discharge of the two-level absorption tower
Mouth is connected with the first grade absorption tower.The ammonia less than 15% is not absorbed in first grade absorption tower to pass through in two-level absorption tower
The water of lower circulation carries out coming into full contact with absorption, and the water after then absorbing flows into first grade absorption tower through liquid outlet again to be inhaled
It receives, until the saturation ammonium hydroxide that absorption strength is 25%.
It is further preferred that further including three-level absorption tower；The three-level absorption tower includes gas feed and liquid outlet；The three-level
The gas vent on absorption tower is connected with the two-level absorption tower, and the liquid outlet on the three-level absorption tower and the second level absorb
Tower is connected.Unabsorbed ammonia carries out coming into full contact with suction by the water recycled up and down in three-level absorption tower in two-level absorption tower
It receives, is then absorbing the ammonium hydroxide in three-level absorption tower by pumping to be driven into two-level absorption tower.
It more preferably, further include level Four absorption tower；The level Four absorption tower includes gas feed；The level Four absorption tower
Gas feed is connected with the three-level absorption tower；Dilution heat of sulfuric acid is provided in the level Four absorption tower.In three-level absorption tower
The dilution heat of sulfuric acid that unabsorbed 1% ammonia continues the low concentration recycled up and down is come into full contact with, and is neutralized and is
Ammonium sulfate realizes ammonia zero-emission, achievees the purpose that clean manufacturing.
Referring to Fig. 3, Fig. 3 is the useless ammonia absorption system schematic diagram that production system provided by the utility model generates.
Industrial liquid ammonia self-cleaning is first achieved the effect that pre- purification by the utility model, is then gone out light group through de-light rectification column
Point, the heavy constituents such as moisture, heavy metal further are removed through de- heavy distillation column, the process for refining of ultra-pure ammonia is simplified, reduces
The energy consumption of entire production technology, and improve production efficiency；Simultaneously by utilizing gas chromatograph and moisture teller and ammonia
Four sampled points in production system are connected can real-time monitoring production process.
In order to further illustrate the utility model, with reference to embodiments to online point of ammonia provided by the utility model
Analysis system is described in detail.
Reagent used in following embodiment is commercially available.
Embodiment 1
Analysis instrument: GC9560PDHID, HALO-LP.
Operating process is as follows:
Claims (10)
1. a kind of on-line analysis system of ammonia characterized by comprising
Ammonia production system；
The ammonia production system includes being sequentially connected logical de-light rectification column, de- heavy distillation column and condenser；The de- light essence
It evaporates tower and is connected with de- heavy distillation column by first pipe；
Gas chromatograph；The gas chromatograph is connected with the de-light rectification column；The gas chromatograph and described first
Pipeline is connected；The gas chromatograph is connected with the de- heavy distillation column；The gas chromatograph and the condenser phase
Connection；
Moisture teller；The moisture teller is connected with the de-light rectification column；The moisture teller and described first
Pipeline is connected；The moisture teller is connected with the de- heavy distillation column；The moisture teller and the condenser phase
Connection.
2. on-line analysis system according to claim 1, which is characterized in that further include second pipe；
The de-light rectification column, first pipe, de- heavy distillation column and condenser pass through second pipe and the gas-chromatography respectively
Instrument is connected；
The de-light rectification column, first pipe, de- heavy distillation column and condenser pass through second pipe and the determination of moisture respectively
Instrument is connected.
3. on-line analysis system according to claim 2, which is characterized in that the de-light rectification column by the first valve with
The second pipe is connected；The first pipe is connected by the second valve with the second pipe；The de- rectifying again
Tower is connected by third valve with the second pipe；The condenser is connected by the 4th valve with the second pipe
It is logical；The second pipe is connected by the 5th valve with the gas chromatograph；The second pipe by the 6th valve with
The moisture teller is connected.
4. on-line analysis system according to claim 2, which is characterized in that be provided with buffer on the second pipe；
The internal diameter of the buffer is greater than the internal diameter of second pipe.
5. on-line analysis system according to claim 2, which is characterized in that be provided with filter on the second pipe.
6. on-line analysis system according to claim 2, which is characterized in that the second pipe by pressure regulator with
The gas chromatograph is connected；The second pipe is connected by pressure regulator with the moisture teller.
7. on-line analysis system according to claim 2, which is characterized in that further include exhausting pipeline；The exhausting pipeline
It is connected with the second pipe.
8. on-line analysis system according to claim 7, which is characterized in that further include the 7th valve and check valve；It is described
Exhausting pipeline passes sequentially through check valve and the 7th valve is connected with the second pipe.
9. on-line analysis system according to claim 1, which is characterized in that it further include the first condenser, the de- light essence
The tower top for evaporating tower is connected with the first condenser；The de-light rectification column and the gas chromatograph place of being connected be the first condenser with
The connectivity part of de-light rectification column；The de-light rectification column is the first condenser and de-light rectification column with the moisture teller place of being connected
Connectivity part；
It further include head tank；The tower top of the de- heavy distillation column is connected with the import of condenser；The outlet of the condenser is logical
Head tank is crossed to be connected with the de- heavy distillation column；The de- heavy distillation column is de- heavy distillation column with the gas chromatograph place of being connected
With the connectivity part of condenser；The de- heavy distillation column is the connection for taking off heavy distillation column and condenser with the moisture teller place of being connected
Place；The condenser is connected by head tank with gas chromatograph；The condenser passes through head tank and moisture teller phase
Connection.
10. on-line analysis system according to claim 1, which is characterized in that further include nitrogen pipeline；The nitrogen pipeline
It is connected with the moisture teller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821462596.7U CN209043849U (en) | 2018-09-07 | 2018-09-07 | The on-line analysis system of ammonia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821462596.7U CN209043849U (en) | 2018-09-07 | 2018-09-07 | The on-line analysis system of ammonia |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209043849U true CN209043849U (en) | 2019-06-28 |
Family
ID=67032523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821462596.7U Active CN209043849U (en) | 2018-09-07 | 2018-09-07 | The on-line analysis system of ammonia |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209043849U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114506859A (en) * | 2022-02-18 | 2022-05-17 | 中船(邯郸)派瑞特种气体股份有限公司 | Preparation method of high-purity deuterated ammonia |
| CN116983704A (en) * | 2023-09-27 | 2023-11-03 | 上海良薇机电工程有限公司 | Condensing device and method |
-
2018
- 2018-09-07 CN CN201821462596.7U patent/CN209043849U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114506859A (en) * | 2022-02-18 | 2022-05-17 | 中船(邯郸)派瑞特种气体股份有限公司 | Preparation method of high-purity deuterated ammonia |
| CN116983704A (en) * | 2023-09-27 | 2023-11-03 | 上海良薇机电工程有限公司 | Condensing device and method |
| CN116983704B (en) * | 2023-09-27 | 2023-12-22 | 上海良薇机电工程有限公司 | Condensing device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209043849U (en) | The on-line analysis system of ammonia | |
| CN101703841B (en) | Device for collecting and recovering oil gas by condensation and absorption | |
| CN107082407B (en) | A kind of method of purification of anhydrous hydrofluoric acid | |
| CN103773529B (en) | Pry-mounted associated gas liquefaction system | |
| CN107576148A (en) | The energy-saving production method of high-purity special gas and system based on LNG cold energy | |
| CN210448142U (en) | Nitrogen aeration rectification equipment | |
| CN102502699A (en) | Purification device for electronic grade ultra-pure ammonia and electronic grade ultra-pure ammonia automatic online detection device | |
| CN208297436U (en) | A kind of condensing unit of food inspection azotometer | |
| CN109966770A (en) | A kind of novel three-in-one rectifying column process units of industry hydrogen peroxide enrichment facility | |
| CN205627145U (en) | Novel reaction rectifying column | |
| CN102442647B (en) | Method for preparing high-purity oxygen from liquid oxygen | |
| CN205346877U (en) | Vertical multistage strip tower | |
| CN109813055A (en) | NO in a kind of rectifying recovered flue gas2And SO2Method and apparatus | |
| CN208893981U (en) | A kind of technical grade produces the device of 18O isotope using cryogenic rectification | |
| CN207180156U (en) | A kind of device for ensureing monocrystalline silicon richness argon tail gas purification high-purity argon gas quality of filling gas | |
| CN209263489U (en) | A kind of coalbed methane containing oxygen low temperature distillation system for avoiding explosion limit | |
| CN207294188U (en) | Rectification and purification device prepared by high-purity carbon dioxide | |
| CN207085371U (en) | A kind of vacuum distillation apparatus for activated thioester of cefixime side chain intermediate | |
| CN207307224U (en) | The decompression distillation system of hexamethyldisiloxane and hexamethyldisilazane | |
| CN109592656A (en) | A kind of preparation method of impurity analysis acid | |
| CN219662914U (en) | Ethanol recovery tank | |
| CN209900738U (en) | Steam condensate recovery device capable of replacing drain valve | |
| CN220424575U (en) | Lithium power plant coating NMP miniaturized purification equipment | |
| CN218923833U (en) | Chemical intermediate condensation and concentration device | |
| CN212347775U (en) | Gas phase condensation sampling and recycling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 215152 Anmin Road, Panyang Industrial Park, Huangdai Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: Jinhong Gas Co.,Ltd. Address before: 215152 No. 6 Anmin Road, Panyang Industrial Park, Huangdi Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: SUZHOU JINHONG GAS Co.,Ltd. |
|
| CP03 | Change of name, title or address |