CN108654131A - A kind of liquefied ammonia rectifying column with clean and reuse function - Google Patents
A kind of liquefied ammonia rectifying column with clean and reuse function Download PDFInfo
- Publication number
- CN108654131A CN108654131A CN201810222311.0A CN201810222311A CN108654131A CN 108654131 A CN108654131 A CN 108654131A CN 201810222311 A CN201810222311 A CN 201810222311A CN 108654131 A CN108654131 A CN 108654131A
- Authority
- CN
- China
- Prior art keywords
- rectifying column
- water tank
- liquefied ammonia
- rectification tower
- ammonia
- 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
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physical Water Treatments (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The present invention provides a kind of liquefied ammonia rectifying column with clean and reuse function, it includes rectification tower body, for to being cleaned in rectification tower body cleaning device and by the retracting device of the recovery ammonia in the liquid after cleaning, the rectification tower body is equipped with liquefied ammonia import and ammonia outlet, the cleaning device includes water tank, water pump, flow pipe and nozzle, the water pump is arranged in water tank, flow pipe one end connection another end head of water pump is connected with the nozzle of several different directions and stretches into rectification tower body, the retracting device includes heating water tank and intermediate storage tank, it is connected by recovery tube between the heating water tank and intermediate storage tank, rectification tower body bottom has the outlet pipe being connect with heating water tank, heat conduction plate is equipped with below heating water tank, there is electric wire guide and conductive fluid in heat conduction plate.The rectifying column has cleaning device and retracting device, can utilize the Liquid Residue recovery ammonia in rectifying column, and practicability is high.
Description
Technical field
The invention belongs to liquefied ammonia rectifying column cleaning technique fields, more particularly, to a kind of liquefied ammonia with clean and reuse function
Rectifying column.
Background technology
Liquefied ammonia is special product, is that liquid is presented under high pressure, low temperature in ammonia.Ammonia is former as a kind of important chemical industry
Material, to transport and storing facility, usually obtains liquid ammonia by gaseous ammonia by pressurizeing or cooling down.Liquefied ammonia is industrially applied
Extensively, there is corrosivity and readily volatilized.
High purity ammonia gas is in the manufacturing process of liquid crystal display (LCD display) and compound semiconductor (LED)
The special gas used as nitride film formation gas.LED is used for the background light of general illumination and liquid crystal display, removes at present
Outside general illumination, markets of the LED for Landscape Lighting and large-screen is also constantly expanding.As Asia is to high purity ammonia gas
Expanded demand, it is imperative to enhance production capacities.
In the prior art, after using rectifying column for a long time, liquefied ammonia residual, present rectifying column one are had in rectifying column
As remaining liquefied ammonia is not cleaned out to the device of recycling.
Invention content
The object of the present invention is to provide a kind of liquefied ammonia rectifying column with clean and reuse function, which there is cleaning to fill
It sets and retracting device, the Liquid Residue recovery ammonia in rectifying column can be utilized, practicability is high.
The technical scheme is that：A kind of liquefied ammonia rectifying column with clean and reuse function, it include rectification tower body,
For to being cleaned in rectification tower body cleaning device and by the retracting device of the recovery ammonia in the liquid after cleaning, it is special
Sign is that the rectification tower body is equipped with liquefied ammonia import and ammonia outlet, and the cleaning device includes water tank, water
Pump, flow pipe and nozzle, the water pump are arranged in water tank, if flow pipe one end connection another end head of water pump is connected with
It does the nozzle of different directions and stretches into rectification tower body, the retracting device includes heating water tank and intermediate storage tank, institute
It is connected by recovery tube between the heating water tank stated and intermediate storage tank, rectification tower body bottom, which has, to be connect with heating water tank
Outlet pipe, heating water tank lower section are equipped with heat conduction plate, have electric wire guide and conductive fluid in heat conduction plate.
First, rectification tower body is stopped, starts the water pump in water tank, water pump passes through water from flow pipe submitting
Water is sprayed in rectification tower body by nozzle, from water outlet after remaining liquefied ammonia is swept away the inner wall of rectification tower body and is mixed with water
Pipe is emitted into heating water tank, at this point, opening the heat conduction plate in heating water tank, electric heating wire is powered to heat conductive fluid,
Temperature is passed to heat conduction plate and to ammonium hydroxide heat by conductive fluid again makes its separation, and ammonia, which rises from recovery tube, enters intermediate storage
Tank storage is deposited, is being utilized when being collected into enough liquefied ammonia.The rectifying column has cleaning and two big functions of recycling, practicability
By force.
Further, the intermediate storage tank includes cylinder type tank body, elastic protecting sleeve and sealing shroud, the cylinder
There is end cap, end cap to be threaded on cylinder type tank body, cylinder type tank body outer surface is coated with resilient protection above type tank body
Set, elastic protecting sleeve inner surface reclines with cylinder type tank body outer surface, and for the sealing shroud in bottle cap shape, it is annular by two
Sealing block and the sheet rubber of annular composition, elastic protecting sleeve and end cap upper end all have the groove being caught in for sealing block, sheet rubber
It is equipped with gas nozzle, is connected on gas nozzle and sealing shroud inside air is evacuated and the sealing shroud is made to be fitted in end cap and cylinder type tank body
On air exhauster, set on sealing shroud there are four the L-shaped pressing plate for pushing down sealing shroud, each L-shaped pressing plate is bolted, and elasticity is protected
The junction of sheath and sealing shroud is fixed equipped with ring-shaped clip.It is connected at the end cap of the intermediate storage tank and cylinder type tank body close
Big envelope, and sealing shroud inside air is evacuated and the sealing shroud is made to be fitted in end cap and cylinder type tank body, further lift-off seal
Property, and sealing shroud is fixed by L-shaped pressing plate and ring-shaped clip, so that sealing shroud is will not fall off.
Further, the liquefied ammonia import and ammonia outlet are equipped with check valve.
Further, the flow pipe is equipped with solenoid valve.
Further, the outlet pipe is equipped with check-valves.Prevent ammonium hydroxide from flowing back.
This has the advantages that the liquefied ammonia rectifying column of clean and reuse function has：
1. the rectifying column has cleaning device and retracting device, the Liquid Residue recovery ammonia in rectifying column can be utilized, it is real
With property height.
2. being connected with sealing shroud at the end cap of the intermediate storage tank and cylinder type tank body, and sealing shroud inside air is evacuated
And the sealing shroud is made to be fitted in end cap and cylinder type tank body, further lift-off seal.
3. liquefied ammonia intermediate storage tank is exclusively used in reaching the storage of the high-purity ammon of 7N (99.99999%) standard, it is dedicated to full
The quality requirement of the industries such as sufficient photovoltaic, LED, OLED, liquid crystal display.
Description of the drawings
Fig. 1 is the liquefied ammonia rectifying tower structure schematic diagram for having clean and reuse function.
In figure：1, water tank；2, flow pipe；3, solenoid valve；4, ammonia outlet；5, nozzle；6, water pump；7, liquefied ammonia import；
8, check valve；9, check-valves；10, outlet pipe；11, rectification tower body；12, heating water tank；13, air exhauster；14, recovery tube；15、
Gas nozzle；16, sealing block；17, L-shaped pressing plate；18, end cap；19, sheet rubber；20, groove；21, ring-shaped clip；22, cylinder type tank
Body；23, elastic protecting sleeve；24, heat conduction plate；25, electric heating wire；26, conductive fluid.
Specific implementation mode
As shown in Figure 1, the technical scheme is that a kind of liquefied ammonia rectifying column with clean and reuse function, it includes essence
Evaporate tower ontology 11, for being cleaned in rectification tower body 11 cleaning device and by the recovery ammonia in the liquid after cleaning
Retracting device, which is characterized in that the rectification tower body 11 is equipped with liquefied ammonia import 7 and ammonia outlet 4, cleaning dress
It sets including water tank 1, water pump 6, flow pipe 2 and nozzle 5, the water pump 6 is arranged in water tank 1, the connection of 2 one end of flow pipe
6 another end head of water pump is connected with the nozzle 5 of several different directions and stretches into rectification tower body 11, the retracting device packet
Heating water tank 12 and intermediate storage tank are included, is connected by recovery tube 14 between the heating water tank 12 and intermediate storage tank, essence
Evaporating 11 bottom of tower ontology, there is the outlet pipe 10 being connect with heating water tank 12,12 lower section of heating water tank to be equipped with heat conduction plate 24, lead
There is electric wire guide and conductive fluid 26 in hot plate block 24.
The intermediate storage tank includes cylinder type tank body 22, elastic protecting sleeve 23 and sealing shroud, the cylinder type tank
There is 22 top of body end cap 18, end cap 18 to be threaded on cylinder type tank body 22, and 22 outer surface of cylinder type tank body is coated with bullet
Property protective case 23,23 inner surface of elastic protecting sleeve reclines with 22 outer surface of cylinder type tank body, and the sealing shroud is in bottle cap shape, it
It is made of the sheet rubber 19 of two annular sealing blocks 16 and annular, elastic protecting sleeve 23 and 18 upper end of end cap all have for sealing
The groove 20 that block 16 is caught in, sheet rubber 19 are equipped with gas nozzle 15, are connected on gas nozzle 15 and sealing shroud inside air is evacuated and made
The sealing shroud is fitted in the air exhauster 13 on end cap 18 and cylinder type tank body 22, sets that there are four push down the L of sealing shroud on sealing shroud
Shape pressing plate 17, each L-shaped pressing plate 17 are bolted, and elastic protecting sleeve 23 and the junction of sealing shroud are equipped with ring-shaped clip 21
It is fixed.It is connected with sealing shroud at the end cap 18 of the intermediate storage tank and cylinder type tank body 22, and sealing shroud inside air is evacuated
And the sealing shroud is made to be fitted in end cap 18 and cylinder type tank body 22, further lift-off seal, and pass through L-shaped pressing plate 17 and annular
Clip 21 fixes sealing shroud, and sealing shroud is made to will not fall off.
The liquefied ammonia import 7 and ammonia outlet 4 is equipped with check valve 8.The flow pipe 2 is equipped with solenoid valve 3.Institute
The outlet pipe 10 stated is equipped with check-valves 9.Prevent ammonium hydroxide from flowing back.
The rectifying column has cleaning device and retracting device, can utilize the Liquid Residue recovery ammonia in rectifying column, practical
Property it is high.
This liquefied ammonia intermediate storage tank is exclusively used in reaching the storage of the high-purity ammon of 7N (99.99999%) standard, is dedicated to meeting
The quality requirement of the industries such as photovoltaic, LED, OLED, liquid crystal display.
First, rectification tower body 11 is stopped, starts the water pump 6 in water tank 1, water pump 6 send water from flow pipe 2
Go out and water is sprayed in rectification tower body 11 by nozzle 5, remaining liquefied ammonia is swept away to the inner wall and and water of rectification tower body 11
It is emitted into heating water tank 12 from outlet pipe 10 after mixing, at this point, the heat conduction plate 24 in heating water tank 12 is opened, by electric heating wire
25 are powered to heat conductive fluid 26, and temperature is passed to heat conduction plate 24 and to ammonium hydroxide heat by conductive fluid 26 again makes its point
From ammonia, which rises from recovery tube 14, enters the storage of intermediate storage tank, is being utilized when being collected into enough liquefied ammonia.The rectifying
Tower has cleaning and two big functions of recycling, highly practical.
Claims (5)
1. a kind of liquefied ammonia rectifying column with clean and reuse function, it include rectification tower body, for in rectification tower body into
The cleaning device of row cleaning and by the retracting device of the recovery ammonia in the liquid after cleaning, which is characterized in that the rectifying column
Ontology is equipped with liquefied ammonia import and ammonia outlet, and the cleaning device includes water tank, water pump, flow pipe and nozzle, described
Water pump be arranged in water tank, flow pipe one end connection another end head of water pump is connected with the nozzle of several different directions and stretches
Enter in rectification tower body, the retracting device includes heating water tank and intermediate storage tank, and the heating water tank is stored up with intermediate
It deposits and is connected by recovery tube between tank, rectification tower body bottom has outlet pipe connect with heating water tank, heating water tank lower section
Equipped with heat conduction plate, there is electric wire guide and conductive fluid in heat conduction plate.
2. a kind of liquefied ammonia rectifying column having clean and reuse function according to claim 1, it is characterised in that：The centre
Holding vessel includes cylinder type tank body, elastic protecting sleeve and sealing shroud, has end cap, end cap screw thread above the cylinder type tank body
It is connected on cylinder type tank body, cylinder type tank body outer surface is coated with elastic protecting sleeve, elastic protecting sleeve inner surface and cylinder type
Tank body outer surface reclines, and the sealing shroud is in bottle cap shape, it is made of the sheet rubber of two annular sealing blocks and annular, bullet
Property protective case and end cap upper end all there is the groove that is caught in for sealing block, sheet rubber to be equipped with gas nozzle, being connected on gas nozzle will be close
Big envelope inside air evacuates and the sealing shroud is made to be fitted in the air exhauster on end cap and cylinder type tank body, set on sealing shroud there are four
The L-shaped pressing plate of sealing shroud is pushed down, each L-shaped pressing plate is bolted, and the junction of elastic protecting sleeve and sealing shroud is equipped with ring
Shape clip is fixed.
3. a kind of liquefied ammonia rectifying column having clean and reuse function according to claim 1, it is characterised in that：The liquefied ammonia
Import and ammonia outlet are equipped with check valve.
4. a kind of liquefied ammonia rectifying column having clean and reuse function according to claim 1, it is characterised in that：Described send water
Pipe is equipped with solenoid valve.
5. a kind of liquefied ammonia rectifying column having clean and reuse function according to claim 1, it is characterised in that：The water outlet
Pipe is equipped with check-valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810222311.0A CN108654131A (en) | 2018-03-19 | 2018-03-19 | A kind of liquefied ammonia rectifying column with clean and reuse function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810222311.0A CN108654131A (en) | 2018-03-19 | 2018-03-19 | A kind of liquefied ammonia rectifying column with clean and reuse function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108654131A true CN108654131A (en) | 2018-10-16 |
Family
ID=63783867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810222311.0A Pending CN108654131A (en) | 2018-03-19 | 2018-03-19 | A kind of liquefied ammonia rectifying column with clean and reuse function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108654131A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114379942A (en) * | 2020-10-20 | 2022-04-22 | 中国石油天然气股份有限公司 | Storage tank |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4279703A (en) * | 1978-08-16 | 1981-07-21 | Bethlehem Steel Corporation | Apparatus for the distillation of weak ammonia liquor |
| JP2002316816A (en) * | 2001-04-19 | 2002-10-31 | Mitsui Chemicals Inc | Method for separating ammonia by distillation |
| CN204563650U (en) * | 2015-04-28 | 2015-08-19 | 陕西凯利清洗有限公司 | A kind of 360 ° of rectifying column of cleaning are without dead angle spray equipment |
| CN205127716U (en) * | 2015-11-12 | 2016-04-06 | 九江善水科技有限公司 | Ammonia recovery tower |
| CN205633537U (en) * | 2016-05-06 | 2016-10-12 | 黄秀剑 | Sealing cover |
| CN107303437A (en) * | 2016-04-22 | 2017-10-31 | 湖北强达环保科技股份有限公司 | A kind of liquid ammonia evaporation system |
-
2018
- 2018-03-19 CN CN201810222311.0A patent/CN108654131A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4279703A (en) * | 1978-08-16 | 1981-07-21 | Bethlehem Steel Corporation | Apparatus for the distillation of weak ammonia liquor |
| JP2002316816A (en) * | 2001-04-19 | 2002-10-31 | Mitsui Chemicals Inc | Method for separating ammonia by distillation |
| CN204563650U (en) * | 2015-04-28 | 2015-08-19 | 陕西凯利清洗有限公司 | A kind of 360 ° of rectifying column of cleaning are without dead angle spray equipment |
| CN205127716U (en) * | 2015-11-12 | 2016-04-06 | 九江善水科技有限公司 | Ammonia recovery tower |
| CN107303437A (en) * | 2016-04-22 | 2017-10-31 | 湖北强达环保科技股份有限公司 | A kind of liquid ammonia evaporation system |
| CN205633537U (en) * | 2016-05-06 | 2016-10-12 | 黄秀剑 | Sealing cover |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114379942A (en) * | 2020-10-20 | 2022-04-22 | 中国石油天然气股份有限公司 | Storage tank |
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|---|---|---|---|
| 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: 20181016 |
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| RJ01 | Rejection of invention patent application after publication |