CN208735266U - A kind of liquid ammonia vaporization device - Google Patents
A kind of liquid ammonia vaporization device Download PDFInfo
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- CN208735266U CN208735266U CN201821487490.2U CN201821487490U CN208735266U CN 208735266 U CN208735266 U CN 208735266U CN 201821487490 U CN201821487490 U CN 201821487490U CN 208735266 U CN208735266 U CN 208735266U
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Abstract
The utility model provides a kind of liquid ammonia vaporization device, is related to liquefied ammonia applied technical field, including cylinder and set on the vaporization heat-exchange inner container of the inner barrel；The cylinder upper end is equipped with gas ammonia outlet, the external side of the cylinder is equipped with steam inlet and liquefied ammonia import, opposite side is from top to bottom successively arranged overflow port, water inlet and sewage draining exit, the inner barrel is equipped with steam pipe and liquefied ammonia inlet tube, the steam pipe is connected with the steam inlet, and the liquefied ammonia inlet tube is connected with the liquefied ammonia import；The vaporization heat-exchange inner container includes the first gas bag and the second gas bag, second gas bag is connected with the liquefied ammonia inlet tube, the side of second gas bag and first gas bag is respectively equipped with several third circular holes and the second circular hole, the third circular hole is connect by spiral heat exchange pipe coil with second circular hole, and first gas bag is connect with the gas ammonia outlet.The utility model vaporization efficency is high, vaporization even results are good, can effectively reduce impurity accumulation.
Description
Technical field
The utility model belongs to liquefied ammonia applied technical field, and in particular to a kind of liquid ammonia vaporization device.
Background technique
Ammonia is one of the inorganic compound that yield is most in the world, can be used for manufacturing as a kind of important industrial chemicals
The products such as ammonium hydroxide, nitrogenous fertilizer (urea, ammonium bicarbonate etc.), nitric acid, ammonium salt, soda ash, are widely used in chemical industry, light industry, chemical fertilizer, pharmacy, conjunction
At various fields such as fibers, in the techniques such as silicon steel production, alkaline process denitration and preparing hydrogen by ammonia decomposition, ammonia also plays critically important work
With.To transport and storing convenience, liquid ammonia is usually converted by pressurization or cooling by gaseous ammonia, in use, usually
It needs liquid ammonia vaporization to be gaseous ammonia.The vaporization of liquefied ammonia is completed by vapourizing unit, and currently used vapourizing unit is main
Including electric heating carburetor and two kinds of steam vaporizer, the energy conservation of steam vaporizer and environmental protection, but scene is needed to have steam condition,
Electric heating carburetor application is convenient, is not limited by on-site steam resource.
However either electric heating carburetor or steam vaporizer, it is usually all using water-bath type indirect heat exchange by liquefied ammonia
It vaporizes, has vaporization heat-exchange inner container in vapourizing unit, liquefied ammonia is in tube side, and water is in shell side.Make heat vapourizer case by electricity or steam
Intracorporal coolant-temperature gage increases, and the heat in water passes to the liquefied ammonia in tube side by vaporizing the heat exchanger tube of heat-exchange inner container, makes its turn
Turn to gaseous ammonia.The structure for vaporizing heat-exchange inner container is different, and the vaporization efficency of vaporizer is then different, at present the vaporization of liquid ammonia vaporization device
Heat-exchange inner container is all the seamless pipe by using carbon steel or stainless steel mostly as heat exchanger tube, and the structure for vaporizing heat-exchange inner container has
Diversified forms often improve the vaporization efficency of vaporizer by converting specification and the length of seamless pipe, but due in overall heat exchange
Bladder structure Change of types is little, so the raising of the vaporization efficency of vaporizer is not obvious.Further, since liquid ammonia vaporization changes at present
Line size on hot liner is all relatively small, and when impurity is more in raw materials ammonia, impurity can deposit in generating tube, for a long time
Accumulation can block vaporizer, influence the using effect of vaporizer.
Therefore it is badly in need of providing the liquefied ammonia vapour that a kind of vaporization efficency is high, vaporization even results are good, can effectively reduce impurity accumulation
Change device.
Utility model content
The purpose of this utility model is the deficiency for existing liquid ammonia vaporization device, provides that a kind of vaporization efficency is high, vaporization is equal
Even effect is good, can effectively reduce the liquid ammonia vaporization device of impurity accumulation.
The utility model provides the following technical solution:
A kind of liquid ammonia vaporization device, including cylinder and set on the vaporization heat-exchange inner container of the inner barrel；On the cylinder
End is equipped with gas ammonia outlet, and the external side of the cylinder is equipped with steam inlet and liquefied ammonia import, and opposite side is from top to bottom successively set
There are overflow port, water inlet and sewage draining exit, the inner barrel is equipped with steam pipe and liquefied ammonia inlet tube, the steam pipe and the steaming
Vapor inlet is connected, and the liquefied ammonia inlet tube is connected with the liquefied ammonia import；The vaporization heat-exchange inner container includes the first gas bag and the
Two gas bags, second gas bag are connect with the liquefied ammonia inlet tube, the side difference of second gas bag and first gas bag
Equipped with several third circular holes and the second circular hole, the third circular hole is connect by spiral heat exchange pipe coil with second circular hole, institute
The first gas bag is stated to connect with the gas ammonia outlet.
Preferably, first gas bag and second gas bag are made of two ellipsoidal heads respectively, second gas
Packet includes upper cover and lower head, and outer tube is equipped in the lower head, and the upper cover is equipped with perforative inner tube, said inner tube
One end is connected with the liquefied ammonia inlet tube, and the other end protrudes into the outer tube.Using sleeve type structure, liquefied ammonia enters second gas
It is flowed out after packet relative retention from the outer tube, the impurity in liquefied ammonia stoste is deposited in second gas bag, does not influence vaporizer
Using effect.
Preferably, it is equipped with support tube between first gas bag and second gas bag, plays fixed function, keeps described the
The distance between one gas bag and second gas bag are constant.
Preferably, the quantity of second circular hole is equal with the quantity of the third circular hole, makes each second circular hole
Pass through spiral heat exchange pipe coil with the third circular hole to connect.
Preferably, the spiral heat exchange pipe coil is weldless pipe, and the spiral heat exchange pipe coil is coiled in first gas bag
Between second gas bag, increase the vaporization time of liquefied ammonia, improves vaporization efficency.
Preferably, the steam pipe includes that the transverse tube positioned at the cylinder roof and two positioned at the cylinder lateral wall are perpendicular
Pipe, the transverse tube are connect by elbow with the vertical tube, are connected in the middle part of the transverse tube with the steam inlet, and the vertical tube goes out
Mouth end is equipped with sealing plate, and the outlet end tube wall of the vertical tube is equipped with several first circular holes, and steam uniformly enters the cylinder, right
Water body is evenly heated, and whole vaporization effect is improved.
Preferably, bimetallic temperature is successively arranged on the cylinder body outer wall between the steam inlet and the liquefied ammonia import
Degree meter mouth, the first platinum resistance mouth and the second platinum resistance mouth, monitoring and temperature when adjustment vaporizer work.
Preferably, the cylinder inboard wall is equipped with heat-preservation cotton, reduces the heat loss of the inner barrel.
The beneficial effects of the utility model are:
(1) vaporization heat-exchange inner container structure uses gas bag form, increases amount of storage and vaporization heat exchange of the liquefied ammonia in vaporizer
The heat exchange area of pipe improves vaporization efficency.
(2) heat exchanger tube vaporized on heat-exchange inner container uses spiral coil, increases stroke of the liquefied ammonia in heat exchanger tube, extends liquid
Vaporization time of the ammonia in vaporizer, vaporizes liquefied ammonia sufficiently.
(3) steam pipework extend into the bottom of vaporizer, and outlet end is provided with aperture, uniformly enters steam in cylinder,
Vaporization effect is more preferable.
(4) the second gas bag for vaporizing heat-exchange inner container uses sleeve type structure, after liquefied ammonia is from inner tube into the second gas bag, from gas
The outer tube wrapped flows out, and the impurity in raw materials ammonia can be largely deposited in the second gas bag, effectively reduces miscellaneous in vaporizer
Matter accumulation.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the main view of the utility model；
Fig. 2 is the schematic internal view of the utility model；
Fig. 3 is the structural schematic diagram that heat-exchange inner container is vaporized in Fig. 2；
Fig. 4 is the vertical view schematic diagram of internal structure of the utility model；
Fig. 5 is the enlarged diagram of the first gas bag in Fig. 2；
Fig. 6 is the enlarged diagram of the second gas bag in Fig. 2；
Fig. 7 is the decomposition diagram of the second gas bag in Fig. 2.
In the figure, it is marked as 1, spiral heat exchange pipe coil；2, gas ammonia outlet；3, the first gas bag；4, steam pipe；5, the second gas
Packet；6, overflow port；7, water inlet；8, cylinder；9, steam inlet；10, bimetallic thermometer mouth；11, liquefied ammonia import；12, second
Circular hole；13, inner tube；14, upper cover；15, lower head；16, the first platinum resistance mouth；17, the second platinum resistance mouth；18, outer tube；19,
Heat-preservation cotton；20, heat-exchange inner container is vaporized；21, liquefied ammonia inlet tube；22, sewage draining exit；23, sealing plate；24, the first circular hole；25, support tube；
26, third circular hole；27, transverse tube；28, vertical tube；29, elbow.
Specific embodiment
As shown in Figures 1 to 7, a kind of liquid ammonia vaporization device, including cylinder 8 and inside cylinder 8 vaporization heat exchange in
Gallbladder 20；8 upper end of cylinder is equipped with gas ammonia outlet 2, the external side of cylinder 8 equipped with steam inlet 9 and liquefied ammonia import 11, opposite side by
It is successively arranged overflow port 6, water inlet 7 and sewage draining exit 22 under, is equipped with steam pipe 4 and liquefied ammonia inlet tube 21 inside cylinder 8, steams
Steam pipe 4 is connected with steam inlet 9, and liquefied ammonia inlet tube 21 is connected with liquefied ammonia import 9；Vaporizing heat-exchange inner container 20 includes the first gas bag 3
With the second gas bag 5, the second gas bag 5 is connect with liquefied ammonia inlet tube 21, and the second gas bag 5 is connect with liquefied ammonia inlet tube 21, the second gas bag 5
Several third circular holes 26 and the second circular hole 12 are respectively equipped with the side of the first gas bag 3, third circular hole 26 passes through spiral heat exchange plate
Pipe 1 is connect with the second circular hole 12, and the first gas bag 3 is connect with gas ammonia outlet 2.
First gas bag 3 and the second gas bag 5 are made of two ellipsoidal heads respectively, and the second gas bag 5 includes 14 He of upper cover
Lower head 15, lower head 15 is interior to be equipped with outer tube 18, and upper cover 14 is equipped with perforative inner tube 13, one end of inner tube 13 and liquefied ammonia import
Pipe 21 is connected, and the other end protrudes into outer tube 18.Using sleeve type structure, liquefied ammonia enters after 5 relative retention of the second gas bag from outer tube 18
It flows out, the impurity in liquefied ammonia stoste is deposited in the second gas bag 5, does not influence the using effect of vaporizer.First gas bag 3 and second
It is equipped with support tube 25 between gas bag 5, plays fixed function, keeps the distance between the first gas bag 3 and the second gas bag 5 constant.Second
The quantity of circular hole 12 is equal with the quantity of third circular hole 26, and each second circular hole 12 is made to exchange heat by spiral with third circular hole 26
Coil pipe 1 connects.Spiral heat exchange pipe coil 1 is weldless pipe, spiral heat exchange pipe coil 1 be coiled in the first gas bag 3 and the second gas bag 5 it
Between, increase the vaporization time of liquefied ammonia, improves vaporization efficency.Steam pipe 4 includes positioned at the transverse tube 27 of 8 roof of cylinder and positioned at cylinder
Two vertical tubes 28 of 8 side walls, transverse tube 27 are connect by elbow 29 with vertical tube 28, and 27 middle part of transverse tube is connected with steam inlet 9, vertical tube
28 outlet end is equipped with sealing plate 23, and the outlet end tube wall of vertical tube 28 is equipped with several first circular holes 24, and steam uniformly enters cylinder
Body 8, is evenly heated water body, improves whole vaporization effect.Outside cylinder 8 between steam inlet 9 and liquefied ammonia import 11
Bimetallic thermometer mouth 10, the first platinum resistance mouth 16 and the second platinum resistance mouth 17, monitoring and adjustment vaporizer are successively arranged on wall
Temperature when work.8 inner wall of cylinder is equipped with heat-preservation cotton 19, reduces heat loss.
The working principle of the utility model are as follows: water is injected into cylinder 8 by water inlet 7, adding to water can flow from overflow port 6
Out.Steam is heated by the first circular hole 24 into water body by steam inlet 9, when being heated to the temperature of setting, in liquefied ammonia
Inlet tube 21 is passed through liquefied ammonia, flows into the second gas bag 5, liquefied ammonia relative retention in the lower head 15 of the second gas bag 5, big portion under deposition
Divide impurity, spiral heat exchange pipe coil 1 is then flowed by third circular hole 26, liquefied ammonia sufficiently vaporizes in spiral heat exchange pipe coil 1, vaporizes
Gaseous ammonia afterwards enters the first gas bag 3, after gas ammonia buffers in the first gas bag 3, flows out and vaporizes eventually by gas ammonia outlet 2
Device completes vaporescence.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, although ginseng
The utility model is described in detail according to previous embodiment, it for those skilled in the art, still can be with
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.It is all
Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in practical
Within novel protection scope.
Claims (8)
1. a kind of liquid ammonia vaporization device, which is characterized in that including cylinder and set on the vaporization heat-exchange inner container of the inner barrel；
The cylinder upper end is equipped with gas ammonia outlet, and the external side of the cylinder is equipped with steam inlet and liquefied ammonia import, opposite side
It is from top to bottom successively arranged overflow port, water inlet and sewage draining exit, the inner barrel is equipped with steam pipe and liquefied ammonia inlet tube, described
Steam pipe is connected with the steam inlet, and the liquefied ammonia inlet tube is connected with the liquefied ammonia import；
The vaporization heat-exchange inner container includes the first gas bag and the second gas bag, and second gas bag is connected with the liquefied ammonia inlet tube,
The side of second gas bag and first gas bag is respectively equipped with several third circular holes and the second circular hole, and the third circular hole is logical
It crosses spiral heat exchange pipe coil to connect with second circular hole, first gas bag is connect with the gas ammonia outlet.
2. a kind of liquid ammonia vaporization device according to claim 1, which is characterized in that first gas bag and second gas bag
It being made of respectively two ellipsoidal heads, second gas bag includes upper cover and lower head, it is equipped with outer tube in the lower head,
The upper cover is equipped with perforative inner tube, and one end of said inner tube is connected with the liquefied ammonia inlet tube, and the other end protrudes into described outer
Pipe.
3. a kind of liquid ammonia vaporization device according to claim 1, which is characterized in that first gas bag and second gas bag
Between be equipped with support tube.
4. a kind of liquid ammonia vaporization device according to claim 1, which is characterized in that the quantity of second circular hole and described the
The quantity of three circular holes is equal.
5. a kind of liquid ammonia vaporization device according to claim 1, which is characterized in that the spiral heat exchange pipe coil is no-welding-seam
Pipe.
6. a kind of liquid ammonia vaporization device according to claim 1, which is characterized in that the steam pipe includes being located at the cylinder
The transverse tube of roof and two vertical tubes positioned at the cylinder lateral wall, the transverse tube are connect by elbow with the vertical tube, the cross
It is connected in the middle part of pipe with the steam inlet, the outlet end of the vertical tube is equipped with sealing plate, and the outlet end tube wall of the vertical tube is equipped with
Several first circular holes.
7. a kind of liquid ammonia vaporization device according to claim 1, which is characterized in that the steam inlet and the liquefied ammonia import
Between the cylinder body outer wall be successively arranged bimetallic thermometer mouth, the first platinum resistance mouth and the second platinum resistance mouth.
8. a kind of liquid ammonia vaporization device according to claim 1, which is characterized in that the cylinder inboard wall is equipped with heat-preservation cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821487490.2U CN208735266U (en) | 2018-09-12 | 2018-09-12 | A kind of liquid ammonia vaporization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821487490.2U CN208735266U (en) | 2018-09-12 | 2018-09-12 | A kind of liquid ammonia vaporization device |
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| Publication Number | Publication Date |
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| CN208735266U true CN208735266U (en) | 2019-04-12 |
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ID=66033497
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821487490.2U Active CN208735266U (en) | 2018-09-12 | 2018-09-12 | A kind of liquid ammonia vaporization device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110180357A (en) * | 2019-06-11 | 2019-08-30 | 淮南聚生化工科技有限公司 | A kind of denitrating flue gas liquid ammonia evaporator |
-
2018
- 2018-09-12 CN CN201821487490.2U patent/CN208735266U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110180357A (en) * | 2019-06-11 | 2019-08-30 | 淮南聚生化工科技有限公司 | A kind of denitrating flue gas liquid ammonia evaporator |
| CN110180357B (en) * | 2019-06-11 | 2021-12-14 | 淮南聚生化工科技有限公司 | Liquid ammonia evaporator for flue gas denitration |
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