CN215569703U - Filling device of high-purity ammonia - Google Patents
Filling device of high-purity ammonia Download PDFInfo
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- CN215569703U CN215569703U CN202023336122.8U CN202023336122U CN215569703U CN 215569703 U CN215569703 U CN 215569703U CN 202023336122 U CN202023336122 U CN 202023336122U CN 215569703 U CN215569703 U CN 215569703U
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- pipe
- filling
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- heating pipe
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Abstract
The utility model provides a filling device of high-purity ammonia, which comprises a filling pipe, a liquefier, a pumping pump and a vaporizer, and is characterized in that one section of the filling pipe is connected with the vaporizer, the other end of the filling pipe is connected with the liquefier, the vaporizer is connected with the pumping pump, a heating pipe is wound on the outer surface of the filling pipe, the outer surface of the heating pipe is provided with a heat insulation layer which completely wraps the heating pipe and the filling pipe, a refrigerant medium is arranged in the heating pipe, one end of the heating pipe is closed, the other end of the heating pipe is connected with a heating component, and an arc-shaped liquid outlet pipe which is bent downwards is arranged at the outlet of the liquefier. This fill dress device is through the heating pipe of wound form and wrap up the heat preservation, makes the required temperature of the gaseous state of the inside gaseous state ammonia maintenance of filling pipe, fills the dress efficiently.
Description
Technical Field
The utility model belongs to the technical field of high-purity ammonia, and particularly relates to a filling device for high-purity ammonia.
Background
Liquid ammonia, also called anhydrous ammonia, is a colorless liquid with strong pungent odor, ammonia is an important chemical raw material, and for convenience in transportation and storage, gaseous ammonia is usually pressurized or cooled to obtain liquid ammonia, the ammonia is easily dissolved in water, and forms ammonium ions NH4+ and hydroxyl ions OH < - >, which are dissolved in water to form an alkaline solution, and the liquid ammonia is a special product and is in a liquid state at high pressure and low temperature. However, liquid ammonia is extremely unstable: the gas is explosive, toxic and volatile, and is particularly easy to gasify when being heated, so that the gas pressure is increased, and the explosion risk is brought.
In the prior art, ammonia in a filling pipe is kept to be gaseous at any time in the filling process of high-purity ammonia, and if the ammonia is liquefied and easy to flow back, the filling efficiency is not high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-purity ammonia filling device, which ensures that gaseous ammonia in a filling pipe maintains the required temperature of a gaseous state through a winding type heating pipe and an insulating layer wrapped on the winding type heating pipe, and has high filling efficiency.
The technical scheme of the utility model is as follows: the filling device for the high-purity ammonia comprises a filling pipe, a liquefier, a pumping pump and a vaporizer, and is characterized in that one section of the filling pipe is connected with the other end of the vaporizer and is connected with the liquefier, the vaporizer is connected with the pumping pump, a heating pipe is wound on the outer surface of the filling pipe, a heat insulation layer which completely wraps the heating pipe and the filling pipe is arranged on the outer surface of the heating pipe, a heat-conducting medium is arranged in the heating pipe, one end of the heating pipe is closed, the other end of the heating pipe is connected with a heating component, and an arc-shaped liquid outlet pipe which is bent downwards is arranged at the outlet of the liquefier.
The filling device pumps vaporized ammonia into a filling pipe through a pumping pump, prevents the ammonia from being liquefied too early through a vaporizer again, heats a heating pipe through a heating component on the surface of the filling pipe to transfer heat into the filling pipe, so that the ammonia in the filling pipe is heated and always keeps in a gaseous state, the outer surface of the heating pipe is provided with a heat insulation layer which completely wraps the heating pipe and the filling pipe, the heat insulation layer prevents the heat from dissipating outwards to influence the gaseous ammonia in the filling pipe, the gaseous ammonia is conveyed by the power of the pumping pump and is changed into liquid ammonia through the liquefier when being conveyed to the tail end of the filling pipe, and the liquid ammonia flows downwards into an external storage tank for transportation through an arc-shaped liquid outlet pipe which is bent downwards, the surface of the filling pipe is provided with a winding-type heating pipe and a heat insulation layer which is wrapped, so that the gaseous ammonia in the filling pipe maintains the required temperature, the filling efficiency is high, and the residual ammonia in the filling pipe is greatly reduced, reduce loss and reduce ammonia recovery.
Furthermore, the heat-insulating layer is a polyurethane heat-insulating pipe, and the thickness of the heat-insulating pipe is 2.0-5.0 mm. The polyurethane heat-insulating pipe has low heat loss, saves energy and has long service life.
Furthermore, the surface of the filling pipe is provided with an arc-shaped concave part for the heating pipe to lean against according to the winding direction of the heating pipe. The area of the surface of the heating pipe attached to the charging pipe is increased, and the heating effect is good.
Furthermore, the heating component is an electric heater and an electric heating wire, the electric heating wire is arranged inside the heating pipe, and the electric heater is arranged at the outer end of the heating pipe.
Further, the heat-conducting medium is water.
This fill dress device of high-purity ammonia's advantage has:
1. this fill dress device is through the heating pipe of wound form and wrap up the heat preservation, makes the required temperature of the gaseous state of the inside gaseous state ammonia maintenance of filling pipe, fills the dress efficiently.
2. The polyurethane heat-insulating pipe has low heat loss, saves energy and has long service life.
3. The area of the surface of the heating pipe attached to the filling pipe is increased at the sunken part of the filling pipe, and the heating effect is good.
Drawings
FIG. 1 is a schematic view showing the construction of a high-purity ammonia charging apparatus.
Fig. 2 is a schematic view of a filling pipe.
In the figure: 1. a pump; 2. a vaporizer; 3. an electric heater; 4. an electric heating wire; 5. Filling a pipe; 6. heating a tube; 7. a heat-insulating layer; 8. a liquefier; 9. a liquid outlet pipe; 10. and (4) a concave part.
Detailed Description
As shown in fig. 1, the technical scheme of the utility model is a filling device for high-purity ammonia, which comprises a filling pipe 5, a liquefier 8, a pumping pump 1 and a vaporizer 2, and is characterized in that one section of the filling pipe 5 is connected with the vaporizer 2, the other end of the filling pipe is connected with the liquefier 8, the vaporizer 2 is connected with the pumping pump 1, a heating pipe 6 is wound on the outer surface of the filling pipe 5, an insulating layer 7 which completely wraps the heating pipe 6 and the filling pipe 5 is arranged on the outer surface of the heating pipe 6, a heat-conducting medium is arranged in the heating pipe 6, one end of the heating pipe 6 is closed, the other end of the heating pipe is connected with a heating assembly, and an arc-shaped and downward bent liquid outlet pipe 9 is arranged at the outlet of the liquefier 8.
The heat-insulating layer 7 is a polyurethane heat-insulating pipe, and the thickness of the heat-insulating pipe is 2.0-5.0 mm. The polyurethane heat-insulating pipe has low heat loss, saves energy and has long service life.
The surface of the filling pipe 5 is provided with an arc-shaped concave part 10 for the heating pipe 6 to lean against according to the winding direction of the heating pipe 6. The area of the surface of the heating pipe 6 attached to the filling pipe 5 is enlarged, and the heating effect is good.
The heating assembly comprises an electric heater 3 and an electric heating wire 4, the electric heating wire 4 is arranged inside the heating pipe 6, and the electric heater 3 is arranged at the outer end of the heating pipe 6.
The heat-conducting medium is water.
The filling device ensures that gaseous ammonia in the filling pipe 5 maintains the required temperature of gaseous ammonia through the winding type heating pipe 6 and the wrapping upper heat-insulating layer 7, and the filling efficiency is high.
The filling device pumps vaporized ammonia into a filling pipe 5 through a pumping pump 1, prevents the ammonia from being liquefied prematurely through a vaporizer 2, heats a heating pipe 6 through a heating component on the surface of the filling pipe 5 to transfer heat into the filling pipe 5, so that the internal ammonia is heated and always keeps in a gaseous state, a heat insulation layer 7 completely wraps the heating pipe 6 and the filling pipe 5 is arranged on the outer surface of the heating pipe 6, the heat insulation layer 7 prevents the heat from dissipating outwards to influence the gaseous ammonia in the filling pipe 5, the gaseous ammonia is conveyed by the power of the pumping pump 1, is changed into liquid ammonia through a liquefier 8 when being conveyed to the tail end of the filling pipe 5 and flows downwards into an external transportation storage tank through an arc-shaped and downwards-bent liquid outlet pipe 9, the surface of the filling pipe 5 is provided with a winding type heating pipe 6 and the heat insulation layer 7 on the wrapping, so that the gaseous ammonia in the filling pipe 5 maintains the required temperature of the gaseous ammonia, the filling efficiency is high, and the residual ammonia in the filling pipe 5 is greatly reduced, the loss is reduced, and the ammonia recovery is reduced.
Claims (5)
1. The filling device for the high-purity ammonia comprises a filling pipe, a liquefier, a pumping pump and a vaporizer, and is characterized in that one end of the filling pipe is connected with the vaporizer and the other end of the filling pipe is connected with the liquefier, the vaporizer is connected with the pumping pump, a heating pipe is wound on the outer surface of the filling pipe, a heat insulation layer which completely wraps the heating pipe and the filling pipe is arranged on the outer surface of the heating pipe, a heat-conducting medium is arranged in the heating pipe, one end of the heating pipe is closed, the other end of the heating pipe is connected with a heating component, and an arc-shaped liquid outlet pipe which is bent downwards is arranged at the outlet of the liquefier.
2. The filling apparatus for high purity ammonia according to claim 1, wherein: the heat-insulating layer is a polyurethane heat-insulating pipe, and the thickness of the heat-insulating pipe is 2.0-5.0 mm.
3. The filling apparatus for high purity ammonia according to claim 1, wherein: the surface of the filling pipe is provided with an arc-shaped concave part for the heating pipe to lean against according to the winding direction of the heating pipe.
4. The filling apparatus for high purity ammonia according to claim 1, wherein: the heating assembly comprises an electric heater and an electric heating wire, the electric heating wire is arranged in the heating pipe, and the electric heater is arranged at the outer end of the heating pipe.
5. The filling apparatus for high purity ammonia according to claim 1, wherein: the heat-conducting medium is water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023336122.8U CN215569703U (en) | 2020-12-30 | 2020-12-30 | Filling device of high-purity ammonia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023336122.8U CN215569703U (en) | 2020-12-30 | 2020-12-30 | Filling device of high-purity ammonia |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215569703U true CN215569703U (en) | 2022-01-18 |
Family
ID=79816037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023336122.8U Active CN215569703U (en) | 2020-12-30 | 2020-12-30 | Filling device of high-purity ammonia |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215569703U (en) |
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2020
- 2020-12-30 CN CN202023336122.8U patent/CN215569703U/en active Active
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