CN109821432A - The device of ammonium hydroxide is prepared with liquefied ammonia - Google Patents
The device of ammonium hydroxide is prepared with liquefied ammonia Download PDFInfo
- Publication number
- CN109821432A CN109821432A CN201910211122.8A CN201910211122A CN109821432A CN 109821432 A CN109821432 A CN 109821432A CN 201910211122 A CN201910211122 A CN 201910211122A CN 109821432 A CN109821432 A CN 109821432A
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- China
- Prior art keywords
- tower body
- ammonium hydroxide
- liquefied ammonia
- liquid
- pieces
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Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/022—Preparation of aqueous ammonia solutions, i.e. ammonia water
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
Abstract
The invention discloses a kind of devices that ammonium hydroxide is prepared with liquefied ammonia, including tower body, the top of the tower body is provided with the gas vent for tail gas discharge tower body, the upper end of the tower body is provided with the liquid-inlet for entering tower body for desalted water, the upper end of the tower body is provided with the filler below liquid-inlet, the lower end of the tower body is provided with the gas feed for entering tower body for ammonia synthesis system periodic off-gases, the bottom end of the tower body is provided with the liquid outlet for ammonium hydroxide discharge tower body, the tower body is provided with the liquefied ammonia import entered between filler and gas feed for liquefied ammonia.The invention has the benefit that the device has cost of investment low, the high feature of ammonium hydroxide yield realizes energy-saving and environment-friendly purpose.
Description
Technical field
The present invention relates to chemical reaction device, in particular to a kind of device that ammonium hydroxide is prepared with liquefied ammonia.
Background technique
Ammonia is important industrial chemicals, can be used to produce nitric acid, chemical fertilizer, explosive.In the production process of ammonia, tail gas
It generates inevitable.Enterprise needs to handle with meet the requirement of environmental protection ammonia synthesis system tail gas.
Ammonia synthesis system tail gas main processing ways are to carry out recycling using ammonia absorber to generate ammonium hydroxide.And ammonia synthesis system
Ammonia content is lower in tail gas, and the ammonium hydroxide yield of ammonia absorber is often lower.Currently, ammonium hydroxide market demand rapid development, for not answering
It asks.How ammonium hydroxide yield is promoted under the premise of cost of investment is lower, be enterprise's problem urgently to be resolved.
Summary of the invention
The object of the present invention is to provide a kind of devices that ammonium hydroxide is prepared with liquefied ammonia.The device has cost of investment low, ammonium hydroxide
The high feature of yield, realizes energy-saving and environment-friendly purpose.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of device preparing ammonium hydroxide with liquefied ammonia, including tower body, the top of the tower body are provided with for tail gas discharge tower body
Gas vent, the upper end of the tower body are provided with the liquid-inlet for entering tower body for desalted water, the upper end setting of the tower body
There is the filler being located at below liquid-inlet, the lower end of the tower body is provided with the gas for entering tower body for ammonia synthesis system periodic off-gases
Body import, the bottom end of the tower body are provided with the liquid outlet for ammonium hydroxide discharge tower body, and the tower body is provided with positioned at filler
The liquefied ammonia import entered between gas feed for liquefied ammonia.
By using above-mentioned technical proposal, if not set liquefied ammonia import, tower body are only used for ammonia synthesis system periodic off-gases
Absorption.And ammonia content is lower in periodic off-gases, causes ammonium hydroxide yield lower.Liquefied ammonia import is set on tower body, thus absorbing
Liquefied ammonia is absorbed while ammonia synthesis system periodic off-gases, without increasing ammonium hydroxide yield under the premise of increasing additional tower body.Therefore, should
Device has cost of investment low, and the high feature of ammonium hydroxide yield realizes energy-saving and environment-friendly purpose.
The present invention is further arranged to: the lower end of the tower body is provided with the disk to cool down for being passed through recirculated water to ammonium hydroxide
Pipe, the water inlet of the coil pipe are lower than the water outlet of coil pipe.
By using above-mentioned technical proposal, counter current contacting reactive absorption generates ammonia at filler with desalted water after liquid ammonia gasification
Heat can be released during water.And ammonium hydroxide is contacted with the coil pipe for being connected with recirculated water, so that recirculated water is transferred heat to, it is real
Now the heat exchange of itself is cooling.
The present invention is further arranged to: being provided with the general pipeline being connected to liquid-inlet in the tower body and is connected to general pipeline
Branch pipe, the general pipeline and branch pipe are located above filler, and the general pipeline and branch pipe are communicated with more separating tubes, the every liquid separation
Pipe is connected with liquid separation dish, and more declining liquid tubes are provided in each liquid separation dish, and the more declining liquid tubes are evenly distributed on to divide
Liquid pipe is on the circumference in the center of circle.
By using above-mentioned technical proposal, desalted water successively enters general pipeline from liquid-inlet, enters branch pipe from general pipeline, from total
Pipe and branch pipe enter separating tube, enter liquid separation dish from separating tube, enter declining liquid tube from liquid separation dish, to realize the effect of uniform liquid separation
Fruit.
The present invention is further arranged to: the separating tube includes the upper semisection and lower semisection of flanged joint, the upper semisection
It is provided between lower semisection for controlling the restriction orifice for entering liquid separation dish fluid flow, is provided on the restriction orifice logical
Hole.
By using above-mentioned technical proposal, the fluid flow of liquid separation dish is entered using restriction orifice control.
The present invention is further arranged to: the restriction orifice is provided with two pieces, and the center point of two pieces of restriction orifices is equal
It is provided with location hole, is equipped in two location holes and is kept fixed with two pieces of restriction orifices along location hole direction of axis line
Same a positioning rod, when two pieces of restriction orifices relatively rotate around locating rod, the through-holes of two pieces of restriction orifices is from alignment
State becomes misaligned state.
By using above-mentioned technical proposal, under normal circumstances, the through-hole that people need to have aperture different by replacement
Restriction orifice realizes the adjusting to liquid separation dish fluid flow is entered.At this point, the through-hole that people need to prepare to have aperture different
Restriction orifice.And the relative rotation between two pieces of restriction orifices is utilized to realize the adjusting to two through-hole overlapping region sizes, from
And realize the adjusting to liquid separation dish fluid flow is entered, without the restriction orifice for the through-hole for preparing to have aperture different, drop
Low production cost.
The present invention is further arranged to: every piece of restriction orifice is provided with multiple through-holes, and multiple through-holes uniformly divide
Cloth is on the circumference using location hole as the center of circle.
By using above-mentioned technical proposal, restriction orifice integrally can be enhanced current limliting by the proportionality action power of desalted water
The stability of orifice plate.
The present invention is further arranged to: one end of the locating rod is connected with positioning plate, and the locating rod is far from fixed
The location hole rear thread that one end of position plate passes through two pieces of restriction orifices is connected with location nut, the location nut and adjacent limit
Gasket is provided between discharge orifice plate, the gasket is provided with the mounting hole passed through for locating rod.
By using above-mentioned technical proposal, realization is threadedly coupled using location nut and locating rod and consolidates two pieces of restriction orifices
It is scheduled between location nut and positioning plate.And location nut and positioning plate generate two pieces of restriction orifices to squeeze and are capable of fixing two pieces
Position after restriction orifice relative rotation, to enable to fix into liquid separation dish fluid flow.
The present invention is further arranged to: the gasket is provided with the detent slot being connected to mounting hole, the location nut card
Enter in detent slot and closely abutted with detent groove groove wall, the location nut be hex nut, the gasket along gasket side
Along being provided with towards the annular protrusion extended away from restriction orifice direction, the locating rod is socketed with anti-close to one end of location nut
Sheath, the protective jacket include the cap body and body of integrally connected, and the body and annular protrusion interference are socketed.
It by using above-mentioned technical proposal, is socketed using body and annular protrusion interference, thus by locating rod and positioning spiral shell
The part of box thread connection and location nut are enclosed in closed area, avoid the contact with desalted water, fixed so as to delay
Position bar and location nut corrosion, so as to extend the time that two pieces of restriction orifices are relatively rotatable to each other.And location nut is caught in
It detent slot and closely abuts with detent groove groove wall, is rotated so as to limit gasket around the axial line of mounting hole.And gasket by
To the extruding of restriction orifice and location nut, the axial line that can also limit gasket around mounting hole is rotated.In body and annular
When raised interference is socketed, there are biggish interaction forces between body and annular protrusion.The rotation of limitation gasket can be conducive to
The interference of body and annular protrusion is socketed.
The present invention is further arranged to: the body be provided be caught in for pessum protrusion interference it is oblique inside body
Face.
By using above-mentioned technical proposal, inclined-plane can pessum protrusion interference be caught in inside body.
The present invention is further arranged to: it is convex that the fixation extended towards annular protrusion direction is connected with inside the body
Edge, the annular protrusion are caught between fixed flange and body and are threadedly coupled with fixed flange, and the fixed flange is located at fixed
On the outside of the nut of position.
By using above-mentioned technical proposal, the connection of body and annular protrusion does not only rely on the interference of body and annular protrusion
Socket also relies on the threaded connection of fixed flange and annular protrusion, enhances the bonding strength of body and annular protrusion.
In conclusion the invention has the following advantages:
The device has cost of investment low, and the high feature of ammonium hydroxide yield realizes energy-saving and environment-friendly purpose.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the overlook direction structural schematic diagram of general pipeline and manifold portion in the embodiment of the present invention；
Fig. 3 is the cross-sectional view in the direction A-A in Fig. 2；
Fig. 4 is the structural schematic diagram of liquid separation dish part in the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of separating tube upper semisection and lower semisection separation in the embodiment of the present invention；
Fig. 6 is the structural schematic diagram that restriction orifice is partially separated in the embodiment of the present invention；
Fig. 7 is the structural schematic diagram of shim portions in the embodiment of the present invention；
Fig. 8 is the structural schematic diagram of protective jacket part in the embodiment of the present invention.
Appended drawing reference: 1, tower body；2, gas vent；3, liquid-inlet；4, filler；5, gas feed；6, liquid outlet；7,
Liquefied ammonia import；8, coil pipe；9, general pipeline；10, branch pipe；11, separating tube；12, liquid separation dish；13, declining liquid tube；14, upper semisection；15, under
Half section；16, restriction orifice；17, location hole；18, through-hole；19, locating rod；20, positioning plate；21, location nut；22, gasket；
23, mounting hole；24, detent slot；25, annular protrusion；26, protective jacket；27, cap body；28, body；29, fixed flange；30, tiltedly
Face.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Referring to Fig.1, a kind of device preparing ammonium hydroxide with liquefied ammonia, including tower body 1.The top of tower body 1 is provided with for tail gas
The gas vent 2 of tower body 1 is discharged, the upper end of tower body 1 is provided with the liquid-inlet 3 for entering tower body 1 for desalted water.Tower body 1
Upper end is provided with the filler 4 positioned at 3 lower section of liquid-inlet, and the lower end of tower body 1 is provided with to be entered for ammonia synthesis system periodic off-gases
The gas feed 5 of tower body 1.The bottom end of tower body 1 is provided with the liquid outlet 6 for ammonium hydroxide discharge tower body 1.Tower body 1 is provided with position
The liquefied ammonia import 7 entered between filler 4 and gas feed 5 for liquefied ammonia.If not set liquefied ammonia import 7, tower body 1 can only be used
In the absorption of ammonia synthesis system periodic off-gases.And ammonia content is lower in periodic off-gases, causes ammonium hydroxide yield lower.It is arranged on tower body 1
Liquefied ammonia import 7, so that liquefied ammonia is absorbed while absorbing ammonia synthesis system periodic off-gases, in the premise without increasing additional tower body 1
Lower increase ammonium hydroxide yield.Therefore, which has cost of investment low, and the high feature of ammonium hydroxide yield realizes energy-saving and environment-friendly purpose.
The lower end of tower body 1 is provided with the coil pipe 8 to cool down for being passed through recirculated water to ammonium hydroxide.The water inlet of coil pipe 8 is lower than the water outlet of coil pipe 8
Mouthful.Heat can be released during counter current contacting reactive absorption generates ammonium hydroxide at filler 4 with desalted water after liquid ammonia gasification.And ammonia
Water is contacted with the coil pipe 8 for being connected with recirculated water again, to transfer heat to recirculated water, realizes that the heat exchange of itself is cooling.
Referring to Fig. 2,3 and 4, the general pipeline 9 being connected to liquid-inlet 3 and the branch pipe being connected to general pipeline 9 are provided in tower body 1
10.General pipeline 9 and branch pipe 10 are located at 4 top of filler.General pipeline 9 and branch pipe 10 are communicated with more separating tubes 11.Every separating tube 11
It is connected with liquid separation dish 12, more declining liquid tubes 13 are provided in each liquid separation dish 12.More declining liquid tubes 13 are evenly distributed on liquid separation
Pipe 11 is on the circumference in the center of circle.Desalted water successively enters general pipeline 9 from liquid-inlet 3, enters branch pipe 10 from general pipeline 9, from 9 He of general pipeline
Branch pipe 10 enters separating tube 11, enters liquid separation dish 12 from separating tube 11, enters declining liquid tube 13 from liquid separation dish 12, to realize uniform
The effect of liquid separation.
Referring to Fig. 5, separating tube 11 includes the upper semisection 14 and lower semisection 15 of flanged joint.Upper semisection 14 and lower semisection 15 it
Between be provided with for control enter 12 fluid flow of liquid separation dish two pieces of identical restriction orifices 16.Every piece of restriction orifice 16 is in circle
Location hole 17 is provided at the heart.Meanwhile every piece of restriction orifice 16 is provided with multiple through-holes 18.Multiple through-holes 18 be evenly distributed on
Location hole 17 is on the circumference in the center of circle.Restriction orifice 16 is whole to be enhanced restriction orifice by the proportionality action power of desalted water
16 stability.
Referring to Fig. 6, same a positioning rod 19 is equipped in the location hole 17 of two pieces of restriction orifices 16.One end one of locating rod 19
Body is connected with positioning plate 20, and 17 rear thread of location hole that the other end passes through two pieces of restriction orifices 16 is connected with location nut 21.It is fixed
Position nut 21 is hex nut.Under normal circumstances, the restriction orifice for the through-hole 18 that people need to have aperture different by replacement
16 realize the adjusting to 12 fluid flow of liquid separation dish is entered.At this point, people need to prepare the limit for the through-hole 18 for having aperture different
Discharge orifice plate 16.And the relative rotation between two pieces of restriction orifices 16 is utilized to realize the tune to two 18 overlapping region sizes of through-hole
It saves, recycles location nut 21 and locating rod 19 to be threadedly coupled realization and two pieces of restriction orifices 16 are fixed on location nut 21 and are determined
Between the plate 20 of position.Meanwhile location nut 21 and positioning plate 20 generate two pieces of restriction orifices 16 to squeeze and are capable of fixing two pieces of current limlitings
It realizes to enable to fix into 12 fluid flow of liquid separation dish to entrance liquid separation dish 12 position after orifice plate 16 relatively rotates
The adjusting of fluid flow reduces production cost without the restriction orifice 16 for the through-hole 18 for preparing to have aperture different.Positioning
Gasket 22 is provided between nut 21 and adjacent restriction orifice 16.Gasket 22 is provided with the mounting hole passed through for locating rod 19
23。
Referring to Fig. 7 and 8, gasket 22 is provided with the detent slot 24 being connected to mounting hole 23.Location nut 21 is caught in detent slot
It is closely abutted in 24 and with 24 cell wall of detent slot.Gasket 22 is provided with along the edge of gasket 22 towards away from 16 direction of restriction orifice
The annular protrusion 25 of extension.Locating rod 19 is socketed with protective jacket 26 close to one end of location nut 21.Protective jacket 26 includes one
The cap body 27 and body 28 of connection.The fixed flange 29 extended towards 25 direction of annular protrusion is connected with inside body 28.Gu
Determine flange 29 and is located at 21 outside of location nut.Annular protrusion 25 be caught between fixed flange 29 and body 28 and with fixed flange 29
It is threadedly coupled.Body 28, which is provided with, is caught in inclined-plane 30 inside body 28 for raised 25 interference of pessum, to make body
28 and 25 interference of annular protrusion socket.The connection of body 28 and annular protrusion 25 does not only rely on fixed flange 29 and annular protrusion 25
Threaded connection, also rely on the interference socket of body 28 and annular protrusion 25, the connection for enhancing body 28 and annular protrusion 25 is strong
Degree.Be socketed using body 28 and 25 interference of annular protrusion, thus part that locating rod 19 is threadedly coupled with location nut 21 and
Location nut 21 is enclosed in closed area, avoids the contact with desalted water, so as to delay locating rod 19 and location nut
21 corrosions, so as to extend the time that two pieces of restriction orifices 16 are relatively rotatable to each other.And location nut 21 is caught in detent slot 24
And closely abutted with 24 cell wall of detent slot, it is rotated so as to limit gasket 22 around the axial line of mounting hole 23.And gasket 22
By the extruding of restriction orifice 16 and location nut 21, the axial line that can also limit gasket 22 around mounting hole 23 is rotated.?
When body 28 and 25 interference of annular protrusion are socketed, there are biggish interaction forces between body 28 and annular protrusion 25.Limitation
The rotation of gasket 22 can be conducive to threaded connection and body 28 and the annular protrusion 25 of fixed flange 29 and annular protrusion 25
Interference socket.Inclined-plane 30 can raised 25 interference of pessum be caught in inside body 28.
The course of work: liquefied ammonia and ammonia synthesis system periodic off-gases enter tower body 1 from liquefied ammonia import 7 and gas feed 5 respectively, take off
Salt water enters tower body 1 from liquid-inlet 3.Desalted water successively enters general pipeline 9 from liquid-inlet 3, enters branch pipe 10 from general pipeline 9, from
General pipeline 9 and branch pipe 10 enter separating tube 11, enter liquid separation dish 12 from separating tube 11, enter declining liquid tube 13 from liquid separation dish 12, realize
Top-down spray dispersion.Cloth is punished in filler 4 with top-down desalted water counter current contacting from bottom to top after liquid ammonia gasification
Reactive absorption releases heat and generates ammonium hydroxide.Ammonium hydroxide is contacted with the coil pipe 8 for being connected with recirculated water, so that recirculated water is transferred heat to,
It realizes and leaves tower body 1 from liquid outlet 6 after the heat exchange of itself is cooling.And tail gas leaves tower body 1 from gas vent 2.
When needing that desalination water flow is adjusted, first the flange of the upper semisection 14 of separating tube 11 and lower semisection 15 is connected
Capable dismounting is tapped into, then protective jacket 26 is driven to rotate the fractionation for realizing protective jacket 26 and annular protrusion 25 relative to restriction orifice 16,
Unscrew location nut 21 again.At this point, it is big to through-hole 18 that two pieces of restriction orifices 16 can be driven to relatively rotate around locating rod 19
It is small when meeting traffic requirement, location nut 21 is caught in the detent slot 24 of gasket 22 and screwed in place nut 21.Then make ring
Part between shape 25 alignment and fixation flanges 29 of protrusion and body 28, driving 26 opposed annular protrusion 25 of protective jacket turn to body
28 and annular protrusion 25 occur interference adjust.
The present embodiment is only explanation of the invention, is not limitation of the present invention, and those skilled in the art exist
It can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as in the present invention
Scope of the claims in all by the protection of Patent Law.
Claims (10)
1. a kind of device for preparing ammonium hydroxide with liquefied ammonia, including tower body (1), the top of the tower body (1) is provided with arranges for tail gas
The upper end of the gas vent (2) of tower body (1) out, the tower body (1) is provided with the liquid-inlet for entering tower body (1) for desalted water
(3), the upper end of the tower body (1) is provided with the filler (4) below liquid-inlet (3), the lower end setting of the tower body (1)
There is the gas feed (5) for entering tower body (1) for ammonia synthesis system periodic off-gases, the bottom end of the tower body (1) is provided with for ammonia
The liquid outlet (6) of tower body (1) is discharged in water, it is characterized in that: the tower body (1) is provided with positioned at filler (4) and gas feed (5)
Between for liquefied ammonia enter liquefied ammonia import (7).
2. the device according to claim 1 for preparing ammonium hydroxide with liquefied ammonia, it is characterized in that: the lower end of the tower body (1) is arranged
There is the coil pipe (8) to cool down for being passed through recirculated water to ammonium hydroxide, the water inlet of the coil pipe (8) is lower than the water outlet of coil pipe (8).
3. the device according to claim 1 for preparing ammonium hydroxide with liquefied ammonia, it is characterized in that: be provided in the tower body (1) with
The general pipeline (9) of liquid-inlet (3) connection and the branch pipe (10) being connected to general pipeline (9), the general pipeline (9) and branch pipe (10), which are located at, to be filled out
Expect above (4), the general pipeline (9) and branch pipe (10) are communicated with more separating tubes (11), every separating tube (11) connection
Have liquid separation dish (12), more declining liquid tubes (13) are provided in each liquid separation dish (12), the more declining liquid tubes (13) are uniform
Be distributed in is on the circumference in the center of circle with separating tube (11).
4. the device according to claim 3 for preparing ammonium hydroxide with liquefied ammonia, it is characterized in that: the separating tube (11) includes flange
The upper semisection (14) and lower semisection (15) of connection are provided between the upper semisection (14) and lower semisection (15) and enter for controlling
The restriction orifice (16) of liquid separation dish (12) fluid flow is provided with through-hole (18) on the restriction orifice (16).
5. the device according to claim 4 for preparing ammonium hydroxide with liquefied ammonia, it is characterized in that: the restriction orifice (16) is provided with
Two pieces, the center point of two pieces of restriction orifices (16) is provided with location hole (17), is worn in two location holes (17)
There is the same a positioning rod (19) being kept fixed with two pieces of restriction orifices (16) along location hole (17) direction of axis line, is limited when two pieces
When discharge orifice plate (16) relatively rotates around locating rod (19), the through-hole (18) of two pieces of restriction orifices (16) becomes from aligned condition
At misaligned state.
6. the device according to claim 5 for preparing ammonium hydroxide with liquefied ammonia, it is characterized in that: every piece of restriction orifice (16) sets
It is equipped with multiple through-holes (18), it is on the circumference in the center of circle with location hole (17) that multiple through-holes (18), which are evenly distributed on,.
7. the device according to claim 5 for preparing ammonium hydroxide with liquefied ammonia, it is characterized in that: one end one of the locating rod (19)
Body is connected with positioning plate (20), and one end of the remotely located plate of the locating rod (19) (20) is determined across two pieces restriction orifice (16)
Position hole (17) rear thread is connected with location nut (21), is arranged between the location nut (21) and adjacent restriction orifice (16)
Have gasket (22), the gasket (22) is provided with the mounting hole (23) passed through for locating rod (19).
8. the device according to claim 7 for preparing ammonium hydroxide with liquefied ammonia, it is characterized in that: the gasket (22) is provided with and pacifies
The detent slot (24) of hole (23) connection is filled, the location nut (21) is caught in detent slot (24) and tight with detent slot (24) cell wall
Close abutting, the location nut (21) are hex nut, and the gasket (22) is provided with court along the edge of gasket (22) and deviates from
The annular protrusion (25) that restriction orifice (16) direction extends, the locating rod (19) are socketed with close to the one end of location nut (21)
Protective jacket (26), the protective jacket (26) include the cap body (27) and body (28) of integrally connected, the body (28) and annular
Raised (25) interference socket.
9. the device according to claim 8 for preparing ammonium hydroxide with liquefied ammonia, it is characterized in that: the body (28) is provided with and is used for
Pessum protrusion (25) interference is caught in the internal inclined-plane (30) of body (28).
10. the device according to claim 8 for preparing ammonium hydroxide with liquefied ammonia, it is characterized in that: the internal one of the body (28)
Be connected with towards annular protrusion (25) direction extend fixed flange (29), the annular protrusion (25) be caught in fixed flange (29) and
It is threadedly coupled between body (28) and with fixed flange (29), the fixed flange (29) is located on the outside of location nut (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910211122.8A CN109821432A (en) | 2019-03-20 | 2019-03-20 | The device of ammonium hydroxide is prepared with liquefied ammonia |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910211122.8A CN109821432A (en) | 2019-03-20 | 2019-03-20 | The device of ammonium hydroxide is prepared with liquefied ammonia |
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| CN109821432A true CN109821432A (en) | 2019-05-31 |
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| CN201910211122.8A Pending CN109821432A (en) | 2019-03-20 | 2019-03-20 | The device of ammonium hydroxide is prepared with liquefied ammonia |
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| CN205550070U (en) * | 2016-04-26 | 2016-09-07 | 山东晋煤明升达化工有限公司 | Dual -purpose aqueous ammonia of gas ammonia and liquid ammonia preparation pipe and aqueous ammonia preparation facilities |
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| US9751773B1 (en) * | 2017-02-07 | 2017-09-05 | Hunan Anchun Advanced Technology Co., Ltd. | Ammonia synthesis system and method |
| CN208032236U (en) * | 2018-01-11 | 2018-11-02 | 中石化南京工程有限公司 | A kind of system for ammonia in absorbing ammonia nitrogen mixed gas |
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