CN212109209U - Nitrogen making device for sodium methoxide - Google Patents
Nitrogen making device for sodium methoxide Download PDFInfo
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- CN212109209U CN212109209U CN202020703206.1U CN202020703206U CN212109209U CN 212109209 U CN212109209 U CN 212109209U CN 202020703206 U CN202020703206 U CN 202020703206U CN 212109209 U CN212109209 U CN 212109209U
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- nitrogen
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- sodium methoxide
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Abstract
The utility model discloses a nitrogen generator for sodium methoxide, last air intlet and the first pipeline of being provided with of air cleaner, the other end setting of first pipeline is on air compressor, the last second pipeline that is provided with of air compressor, be provided with dirty nitrogen heat exchanger and water cooler on the second pipeline, the other end setting of second pipeline is on the precooler group, be provided with the third pipeline on the precooler group, be provided with fourth and fifth pipeline on the third pipeline, be provided with molecular sieve separator and main heat exchanger on the fourth pipeline, the other end setting of fourth pipeline is in on the rectifying column, be provided with the pipeline of giving vent to anger on the rectifying column. Through passing the pipeline through the water cooler, the heat exchanger realizes that all fluids can carry out heat transfer subcooling, through setting up the valve, makes to adjust more nimble, through setting up eighth pipeline and subcooler, can produce high-purity nitrogen gas and liquid nitrogen simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the system nitrogen, concretely relates to system nitrogen device for sodium methoxide.
Background
With the rapid development of various industries such as glass industry, metallurgy, metal processing industry, chemical industry, new material industry and the like, the demand of nitrogen, especially liquid nitrogen, is more and more large, and the liquid nitrogen has good low-temperature effect on things needing low-temperature preservation, and sodium methoxide is one of the nitrogen and the liquid nitrogen, so that the production of the nitrogen and the liquid nitrogen is very important.
In the prior art, nitrogen and liquid nitrogen are manufactured by an air separation plant at present, but the air separation plant has high energy consumption, and the consumption is high due to long-term operation, in addition, partial expansion and other throttling are adopted, a fan is adopted for braking and emptying when work output by an expansion agent is boosted, and night sky is not supercooled or is simply subjected to heat exchange and supercooling with part of fluid, so that the equipment is not flexible to adjust, the yield is insufficient, and the production cannot be ensured.
SUMMERY OF THE UTILITY MODEL
To prior art not enough, the utility model provides a nitrogen generator for sodium methoxide through passing the water cooler with the pipeline, and the heat exchanger realizes that all fluids can carry out the heat transfer subcooling, through setting up the valve, makes to adjust more nimble, through setting up eighth pipeline and subcooler, can produce high-purity nitrogen gas and liquid nitrogen simultaneously.
In order to achieve the above purpose, the utility model discloses a concrete scheme as follows:
a nitrogen making device for sodium methoxide comprises an air filter, a main heat exchanger and a rectifying tower, wherein an air inlet and a first pipeline are arranged on the air filter, the other end of the first pipeline is arranged on an air compressor, a second pipeline is arranged on the air compressor, a waste nitrogen heat exchanger and a water cooler are arranged on the second pipeline, the other end of the second pipeline is arranged on a precooling unit, a third pipeline is arranged on the precooling unit, a fourth pipeline and a fifth pipeline are arranged on the third pipeline, a molecular sieve separator and the main heat exchanger are arranged on the fourth pipeline, the other end of the fourth pipeline is arranged on the rectifying tower, the other end of the fifth pipeline is arranged on an expander, a sixth pipeline is arranged on the expander, and the other end of the sixth pipeline is arranged on the rectifying tower; and an air outlet pipeline is arranged on the rectifying tower.
Preferably, the bottom of the rectifying tower is provided with a heating device, the top of the rectifying tower is provided with a condenser, the lower part of the condenser is provided with a first gas outlet and a second gas outlet, the first gas outlet is provided with a first gas outlet pipeline, the second gas outlet is provided with a second gas outlet pipeline, and the second gas outlet pipeline is provided with a subcooler.
Preferably, a seventh pipeline is further arranged at the lower part of the condenser, and the other end of the seventh pipeline is arranged above the condenser.
Preferably, an eighth pipeline is arranged at the top of the rectifying tower, and the other end of the eighth pipeline is arranged on the sixth pipeline.
Preferably, a first valve is arranged on the sixth pipeline, a second valve is arranged on the fourth pipeline, and a third valve is arranged on the eighth pipeline.
Preferably, the second pipe and the fourth pipe are provided with electric heaters for heating the second pipe and the fourth pipe.
Preferably, the second pipeline is provided with a first waste nitrogen exhaust pipe, the fourth pipeline is provided with a second waste nitrogen exhaust pipe, the first waste nitrogen exhaust pipe is arranged between the air compressor and the waste nitrogen heat exchanger, and the second waste nitrogen exhaust pipe is arranged between the molecular sieve and the third pipeline.
Preferably, the eighth pipeline passes through the inside of the main heat exchanger, and nitrogen gas coming out of the eighth pipeline enters the bottom of the rectifying tower again to obtain high-purity nitrogen gas.
Preferably, the first gas outlet pipeline is further provided with a ninth pipeline, the other end of the ninth pipeline is arranged on the second gas outlet pipeline, and the ninth pipeline penetrates through the subcooler so as to obtain more liquid nitrogen.
Preferably, the condenser is filled with liquid nitrogen, and the seventh pipeline transmits a part of the nitrogen gas into the condenser to be condensed into the liquid nitrogen so as to supplement the content of the liquid nitrogen in the condenser.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a nitrogen generator for sodium methoxide through setting up dirty nitrogen heat exchanger, can get rid of the nitrogen gas polluted gas in the air, obtains comparatively pure air, and the rethread rectifying column obtains higher purity nitrogen gas, through setting up the eighth pipeline, passes through the rectifying column once more to the nitrogen gas that produces, can further improve the purity of nitrogen gas and liquid nitrogen.
2. The utility model discloses a nitrogen making device for sodium methoxide, through setting up air compressor and expander, can provide low pressure nitrogen gas according to customer's actual demand, make compressor pressure low, make whole energy consumption descend obvious then, and the night sky is by behind various cold fluid heat transfer undercooling such as dirty nitrogen gas and nitrogen gas, the moisture content of air has been reduced, the extraction rate of nitrogen has been improved, and adopt the expander to produce more refrigerating capacities, can effectual control compressor load, the production nitrogen gas and the liquid nitrogen of having realized the ultralow energy consumption.
3. The utility model discloses a system nitrogen device for sodium methoxide through setting up the valve, adjusts nimble reliable, and the technical implementation is simple, and is effectual, can realize the economic benefits maximize, increases investment minimizing, is applicable to the system nitrogen trade.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a nitrogen generator for sodium methoxide according to the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1 according to the present invention.
In the figure: 1 an air filter; 2 an air compressor; 3, a first waste nitrogen exhaust pipe; 4, a waste nitrogen heat exchanger; 5, a water cooler; 6, precooling the machine set; 7 an expander; 8, a second waste nitrogen exhaust pipe; 9 a molecular screener; 10 a primary heat exchanger; 11 a third valve; 12 a first valve; 13 a second valve; 14 a subcooler; 15 a rectifying tower; 16 a condenser; 17 a first conduit; 18 a second conduit; 19 a third conduit; 20 a fifth conduit; 21 a fourth conduit; 22 a sixth conduit; 23 an eighth conduit; 24 a first outlet duct; 25 a ninth conduit; 26 a second outlet duct; 27 seventh conduit.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention will be combined to clearly and completely describe the technical solutions of the embodiments of the present invention. It is to be understood that the described embodiments are only a few embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-2, a nitrogen generator for sodium methoxide includes an air filter 1, a main heat exchanger 10, and a rectifying tower 15, where the air filter 1 is provided with an air inlet and a first pipeline 17, the other end of the first pipeline 17 is disposed on an air compressor 2, the air compressor 2 is provided with a second pipeline 18, the second pipeline 18 is provided with a waste nitrogen heat exchanger 4 and a water cooler 5, the other end of the second pipeline 18 is disposed on a pre-cooling unit 6, the pre-cooling unit 6 is provided with a third pipeline 19, the third pipeline 19 is provided with fourth and fifth pipelines, the fourth pipeline 21 is provided with a molecular sieve 9 and the main heat exchanger 10, the other end of the fourth pipeline 21 is disposed on the rectifying tower 15, the other end of the fifth pipeline 20 is disposed on an expander 7, the expander 7 is provided with a sixth pipeline 22, the other end of the sixth pipeline 22 is arranged on the rectifying tower 15; and an air outlet pipeline is arranged on the rectifying tower 15.
The utility model discloses a condenser, including rectifying column 15, 16, gas outlet pipe 26, 15, be provided with heating device in the bottom of rectifying column, 15, the top of rectifying column is provided with condenser 16, 16 lower parts of condenser are provided with first gas outlet and second gas outlet, be provided with first gas outlet pipe 24 on the first gas outlet, be provided with second gas outlet pipe 26 on the second gas outlet, be provided with subcooler 14 on the second gas outlet pipe.
A seventh pipeline 27 is further arranged at the lower part of the condenser 16, and the other end of the seventh pipeline 27 is arranged above the condenser 16; an eighth pipeline 23 is arranged at the top of the rectifying tower 15, and the other end of the eighth pipeline 23 is arranged on the sixth pipeline 22.
A first valve 12 is arranged on the sixth pipeline 22, a second valve 13 is arranged on the fourth pipeline 21, and a third valve 11 is arranged on the eighth pipeline 23; the second pipe 18 and the fourth pipe 21 are provided with electric heaters for heating the second pipe 18 and the fourth pipe 21.
Be provided with first dirty nitrogen air exhaust pipe 3 on the second pipeline 18, be provided with second dirty nitrogen air exhaust pipe 8 on the fourth pipeline 21, first dirty nitrogen air exhaust pipe 3 sets up between air compressor 2 and dirty nitrogen heat exchanger 4, second dirty nitrogen air exhaust pipe 8 sets up between molecular sieve 9 and third pipeline 19.
The eighth pipeline 23 penetrates through the interior of the main heat exchanger 10, and nitrogen discharged from the eighth pipeline 23 enters the bottom of the rectifying tower 15 again to obtain high-purity nitrogen; a ninth pipeline 25 is further arranged on the first gas outlet pipeline 24, the other end of the ninth pipeline 25 is arranged on the second gas outlet pipeline 26, and the ninth pipeline 25 penetrates through the subcooler 14 so as to obtain more liquid nitrogen; the condenser 16 is filled with liquid nitrogen, and the seventh pipe 27 transfers a part of the nitrogen gas into the condenser 16 to be condensed into liquid nitrogen to supplement the content of the liquid nitrogen in the condenser 16.
In the working process, the air passes through the air filter 1, filters impurity gas in the air, then passes through air compressor 2, dirty nitrogen heat exchanger 4, water cooler 5, precooling unit 6 back, becomes liquid to pure air, then passes through expander 7 gets into rectifying column 15 bottom, obtains nitrogen gas, exports from rectifying column 15 upper portion, and some nitrogen gas of output form the liquid nitrogen after subcooler 14 for the low temperature preserves sodium methoxide.
When the expander 7 is damaged, the gas can enter the bottom of the rectifying tower 15 through the molecular sieve 9 and the main heat exchanger 10, and then the nitrogen and the liquid nitrogen are output.
Furthermore, a part of the nitrogen gas in the rectifying tower 15 enters the top of the rectifying tower 15 through the seventh pipeline 27, a part of the nitrogen gas passes through the condenser 16 to form liquid nitrogen to supplement the content of the liquid nitrogen in the condenser 16, and the other part of the nitrogen gas passes through the eighth pipeline 23 and passes through the main heat exchanger 10 to be input to the bottom of the rectifying tower 1 again, so as to improve the content of the nitrogen gas.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a nitrogen plant for sodium methoxide, includes air cleaner (1), main heat exchanger (10), rectifying column (15), its characterized in that: the air purifier is characterized in that an air inlet and a first pipeline (17) are arranged on the air filter (1), the other end of the first pipeline (17) is arranged on the air compressor (2), a second pipeline (18) is arranged on the air compressor (2), a waste nitrogen heat exchanger (4) and a water cooler (5) are arranged on the second pipeline (18), the other end of the second pipeline (18) is arranged on a precooling unit (6), a third pipeline (19) is arranged on the precooling unit (6), a fourth pipeline (21) and a fifth pipeline (20) are arranged on the third pipeline (19), a molecular sieve (9) and a main heat exchanger (10) are arranged on the fourth pipeline (21), the other end of the fourth pipeline (21) is arranged on the rectifying tower (15), the other end of the fifth pipeline (20) is arranged on the expander (7), a sixth pipeline (22) is arranged on the expansion machine (7), and the other end of the sixth pipeline (22) is arranged on the rectifying tower (15); an air outlet pipeline is arranged on the rectifying tower (15).
2. The nitrogen generator for sodium methoxide as claimed in claim 1, wherein: the utility model discloses a solar energy heat pump water heater, including rectifying column (15), condenser (16) are provided with at rectifying column (15) top, condenser (16) lower part is provided with first gas outlet and second gas outlet, be provided with first pipeline (24) of giving vent to anger on the first gas outlet, be provided with second pipeline (26) of giving vent to anger on the second gas outlet, be provided with subcooler (14) on second pipeline (26) of giving vent to anger.
3. The nitrogen generator for sodium methoxide as claimed in claim 2, wherein: the lower part of the condenser (16) is also provided with a seventh pipeline (27), and the other end of the seventh pipeline (27) is arranged above the condenser (16).
4. The nitrogen generator for sodium methoxide as claimed in claim 1, wherein: an eighth pipeline (23) is arranged at the top of the rectifying tower (15), and the other end of the eighth pipeline (23) is arranged on the sixth pipeline (22).
5. The nitrogen generator for sodium methoxide as claimed in claim 4, wherein: the sixth pipeline (22) is provided with a first valve (12), the fourth pipeline (21) is provided with a second valve (13), and the eighth pipeline (23) is provided with a third valve (11).
6. The nitrogen generator for sodium methoxide as claimed in claim 1, wherein: electric heaters are arranged on the second pipeline (18) and the fourth pipeline (21) and used for heating the second pipeline (18) and the fourth pipeline (21).
7. The nitrogen generator for sodium methoxide as claimed in claim 1, wherein: be provided with first dirty nitrogen air exhaust pipe (3) on second pipeline (18), be provided with second dirty nitrogen air exhaust pipe (8) on the fourth pipeline (21), first dirty nitrogen air exhaust pipe (3) set up between air compressor (2) and dirty nitrogen heat exchanger (4), second dirty nitrogen air exhaust pipe (8) set up between molecular sieve separator (9) and third pipeline (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020703206.1U CN212109209U (en) | 2020-04-30 | 2020-04-30 | Nitrogen making device for sodium methoxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020703206.1U CN212109209U (en) | 2020-04-30 | 2020-04-30 | Nitrogen making device for sodium methoxide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212109209U true CN212109209U (en) | 2020-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020703206.1U Active CN212109209U (en) | 2020-04-30 | 2020-04-30 | Nitrogen making device for sodium methoxide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212109209U (en) |
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2020
- 2020-04-30 CN CN202020703206.1U patent/CN212109209U/en active Active
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