CN218936033U - Nitrogen monoxide purification collection device and filling system - Google Patents
Nitrogen monoxide purification collection device and filling system Download PDFInfo
- Publication number
- CN218936033U CN218936033U CN202223238868.4U CN202223238868U CN218936033U CN 218936033 U CN218936033 U CN 218936033U CN 202223238868 U CN202223238868 U CN 202223238868U CN 218936033 U CN218936033 U CN 218936033U
- Authority
- CN
- China
- Prior art keywords
- light
- air inlet
- nitric oxide
- removal
- air outlet
- 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.)
- Active
Links
Images
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Separation By Low-Temperature Treatments (AREA)
Abstract
The utility model discloses a nitric oxide purification and collection device and a filling system, wherein the nitric oxide purification and collection device comprises: the heavy removal rectifying tower is provided with a first air inlet and a first air outlet; the first removes light material receiving tank, and its inboard is equipped with the material chamber of receiving, still is equipped with second air inlet, second gas outlet and second gas vent on the first removes light material receiving tank, still is equipped with temperature regulating device in the first removes light material receiving tank. The nitric oxide raw material gas enters a heavy removal rectifying tower to remove heavy components; then, nitric oxide and light components enter a receiving cavity of the first light component removing and receiving tank from a second air inlet, so that the nitric oxide is liquefied or solidified and remains in the receiving cavity, and the light components are discharged from a second air outlet, thereby achieving the effect of removing the light components; then, the temperature adjusting device adjusts the temperature of the material receiving cavity to be higher than the vaporization temperature of nitric oxide, so that high-purity nitric oxide gas is obtained, the light-removal and material receiving are integrated in the first light-removal material receiving tank, and the structure of the purification system is simplified.
Description
Technical Field
The utility model relates to the technical field of nitric oxide production, in particular to a nitric oxide purifying and collecting device and a filling system.
Background
Nitric oxide gas is a special gas widely applied to the electronic semiconductor industry and the medical field. In some production processes of nitric oxide, heavy component impurities such as nitrogen dioxide, nitrous oxide and the like are generated, and light component impurities such as hydrogen, helium, nitrogen and the like are also introduced. In some applications, a higher purity of nitric oxide gas is required, but the current systems for nitric oxide purification are more complex. It is desirable for those skilled in the art to have a nitric oxide purification and collection device and a filling system that have a better purification effect, and that have a simpler system structure, and that are capable of better removing the heavy and light components of nitric oxide to increase the purity of the nitric oxide product.
Disclosure of Invention
The utility model mainly aims to provide a nitric oxide purifying and collecting device and a filling system, and aims to solve the technical problem that a nitric oxide purifying system is complex in the prior art.
To achieve the above object, the present utility model provides a nitric oxide purifying and collecting device, comprising:
the heavy removal rectifying tower is provided with a first air inlet and a first air outlet, and the first air outlet is arranged on the upper side of the heavy removal rectifying tower;
the first removes light material receiving tank, and its inboard is equipped with receives the material chamber, still be equipped with on the first removes light material receiving tank with receive second air inlet, second gas outlet and the second gas vent of material chamber intercommunication, be equipped with the second admission valve on the second air inlet, be equipped with the second air outlet valve on the second gas outlet, be equipped with the second discharge valve on the second gas vent, first gas outlet with the second air inlet is connected, still be equipped with temperature regulating device in the first removes light material receiving tank, temperature regulating device is used for right receive the material chamber and cool down or heat.
The nitrogen monoxide raw material gas to be purified enters the heavy removal rectifying tower from the first gas inlet, the heavy component flows towards the lower side of the heavy removal rectifying tower, and the nitrogen monoxide and the light component flow towards the upper side of the heavy removal rectifying tower and flow out of the first gas outlet, so that the heavy component in the nitrogen monoxide raw material can be removed; then, nitric oxide and light components enter a receiving cavity of the first light removal receiving tank from a second air inlet, a second air outlet valve is firstly opened, a second air outlet valve is closed, the temperature in the receiving cavity is regulated by a temperature regulating device to be lower than the melting point or boiling point of nitric oxide, so that the nitric oxide is liquefied or solidified, meanwhile, the light components are kept as gas, the light components are discharged from a second air outlet, and liquid or solidified nitric oxide is left in the receiving cavity, so that the effect of removing the light components is achieved; then, after collecting a certain amount of nitric oxide, closing the second air inlet valve and the second air outlet valve, opening the second air outlet valve, and regulating the temperature of the material receiving cavity by the temperature regulating device to be higher than the vaporization temperature of nitric oxide, so that nitric oxide is changed into gas and flows out from the second air outlet, thereby obtaining high-purity nitric oxide gas, and the light removal and material receiving are integrated in the first light removal material receiving tank, so that the structure of the purification system is simplified.
Preferably, the number of the first light-removal material receiving tanks is two, and the two first light-removal material receiving tanks are arranged in parallel.
When nitric oxide is produced, the second air inlet valve and the second air outlet valve of one first light removal material receiving tank are opened, the second air outlet valve is closed, the temperature regulating device is cooled, nitric oxide enters the first light removal material receiving tank to remove light and is collected, the second air inlet valve and the second air outlet valve of the other first light removal material receiving tank are closed, the second air outlet valve is opened, the temperature regulating device is heated, nitric oxide becomes gas to flow out from the second air outlet, and thus the two first light removal material receiving tanks can be alternately used, the influence on continuous production of nitric oxide is small, and the production efficiency is improved.
Preferably, the nitric oxide purification and collection device further comprises a second light removal and collection tank, the second light removal and collection tank is provided with a fourth air inlet, a fourth air outlet and a fourth air outlet, a fourth air inlet valve is arranged on the fourth air inlet, a fourth air outlet valve is arranged on the fourth air outlet, the nitric oxide purification and collection device further comprises a main air inlet pipe, the fourth air inlet and the first air inlet are connected with the main air inlet pipe, a first air inlet valve is arranged on the first air inlet pipe, and the first air inlet valve and the fourth air inlet valve can be switched so that the air of the main air inlet pipe enters the first air inlet pipe or the fourth air inlet pipe.
The first air inlet valve and the fourth air inlet valve can be switched to be opened or closed, gas from the main air inlet pipe can be switched to enter the heavy removal rectifying tower or the second light removal receiving tank, and heavy removal and light removal treatment is carried out when the gas enters the heavy removal rectifying tower, so that the production of high-purity nitric oxide can be met; when the nitrogen oxide enters the second light removal material receiving tank, only light removal treatment is carried out, and the production of nitrogen oxide with low purity requirements can be met, so that the production of more nitrogen oxide gas with different purity requirements can be met.
Preferably, the temperature adjusting device comprises a refrigerant pipe arranged in the material receiving cavity and a temperature detector, the first light-removal material receiving tank is further provided with a refrigerant inlet and a refrigerant outlet which are communicated with the refrigerant pipe, and the temperature detector is used for detecting the temperature of the material receiving cavity.
The refrigerant enters the refrigerant pipe from the refrigerant inlet and exchanges heat with the material receiving cavity, and then flows out from the refrigerant outlet, and the temperature detector detects the temperature of the material receiving cavity so as to control the flow of the refrigerant, thereby realizing the control of the temperature.
Preferably, the first light-removal material receiving tank is further provided with an air pressure detector, and the air pressure detector is used for detecting air pressure in the material receiving cavity.
In the process of collecting nitric oxide in the first light-removal material collecting tank, the air pressure in the first light-removal material collecting tank is increased along with the increase of the collection amount of the nitric oxide; when the air pressure detector detects that the air pressure in the material receiving cavity is higher than the set air pressure value, the nitric oxide cannot be liquefied or solidified any more, the first light-removal material receiving tank is full-load, material receiving can be stopped at the moment, and therefore operators can conveniently know material receiving conditions.
Preferably, the second exhaust port is further connected with a negative pressure pipe, a negative pressure valve is arranged on the negative pressure pipe, the second air inlet is further connected with a replacement air pipe, and the replacement air pipe is provided with a replacement valve.
Before the first light material receiving tank is used for receiving materials, a replacement valve and a negative pressure valve are firstly opened, a second air inlet valve and a second air outlet valve are closed, a negative pressure pipe generates negative pressure, replacement air enters a material receiving cavity from a replacement air pipe, gas impurities in the material receiving cavity are firstly replaced and extracted, then the material receiving is carried out, and the purity of nitric oxide can be improved.
Preferably, the nitric oxide purifying and collecting device further comprises a light removal rectifying tower, wherein the light removal rectifying tower is provided with a third air inlet and a third air outlet, the third air outlet is arranged on the lower side of the light removal rectifying tower, and the third air outlet is connected with the first air inlet. The light component removing rectifying tower is used for removing part of light components in the nitric oxide raw material first, so that the purity of nitric oxide is improved.
Preferably, the nitric oxide purification and collection device further comprises a weighing device, wherein the first light removal and collection tank is arranged on the weighing device, and the weighing device is used for weighing the weight of the first light removal and collection tank. The weighing device can weigh the amount of nitric oxide collected by the first light-removal collecting tank, so that the collection amount can be conveniently known.
In another aspect of the present utility model, a filling system with the above-mentioned nitric oxide purification and collection device is also provided, and the filling system further comprises a filling pipe, and the filling pipe is connected with the second air outlet. By adopting the nitric oxide purifying and collecting device, the structure of the nitric oxide purifying system can be simplified.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the solutions of the prior art, the drawings which are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained from the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the nitric oxide purification and collection device and the filling system of the present utility model;
fig. 2 is a schematic structural view of a first light-weight removal receiving tank according to the present utility model.
In the accompanying drawings: 1-heavy removal rectifying tower, 11-first air inlet, 12-first air outlet, 13-first air inlet valve, 2-first light removal material receiving tank, 21-material receiving cavity, 22-second air inlet, 221-second air inlet valve, 23-second air outlet, 231-second air outlet valve, 24-second air outlet, 241-second air outlet valve, 251-refrigerant pipe, 252-refrigerant inlet, 253-refrigerant outlet, 254-temperature detector, 26-air pressure detector, 27-negative pressure pipe, 271-negative pressure valve, 28-replacement air pipe, 281-replacement valve, 3-second light removal material receiving tank, 31-fourth air inlet, 311-fourth air inlet valve, 32-fourth air outlet valve, 321-fourth air outlet valve, 33-fourth air outlet valve, 331-fourth air outlet valve, 4-total air inlet pipe, 5-light removal rectifying tower, 51-third air inlet, 52-third air outlet, 6-weighing device, 7-filling pipeline and 8-air bottle.
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
In addition, if a directional instruction such as up, down, left, right, front, rear, etc. is referred to in the embodiment of the present utility model, the directional instruction is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional instruction is changed accordingly.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base the implementation on the basis of those skilled in the art, and when the technical solutions are contradictory or cannot be implemented, it should be considered that the combination of the technical solutions does not exist and is not within the scope of protection claimed by the present utility model.
As shown in fig. 1 and 2, a nitric oxide purifying and collecting device comprises a heavy removal rectifying tower 1 and a first light removal material receiving tank 2.
The heavy removal rectifying tower 1 is provided with a first air inlet 11 and a first air outlet 12, and the first air outlet 12 is arranged on the upper side of the heavy removal rectifying tower 1. The heavy component removing rectifying tower 1 is used for removing heavy components such as nitrogen dioxide, nitrous oxide and the like in the nitric oxide gas raw material, and the boiling points of nitric oxide and the heavy components are utilized to change the heavy components into liquid to flow to the lower side of the heavy component removing rectifying tower 1, and gaseous nitric oxide and light components flow to the upper side of the heavy component removing rectifying tower 1, so that the effect of removing the heavy components is achieved.
The inboard of first removing light material receiving tank 2 is equipped with receives material chamber 21, still be equipped with on the first removing light material receiving tank 2 with receive material chamber 21 intercommunication second air inlet 22, second gas outlet 23 and second gas vent 24, be equipped with second admission valve 221 on the second air inlet 22, be equipped with second air outlet valve 231 on the second gas outlet 23, be equipped with second discharge valve 241 on the second gas vent 24, first gas outlet 12 is connected with second air inlet 22, still be equipped with temperature regulating device in the first removing light material receiving tank 2, temperature regulating device is used for cooling or heating to receiving material chamber 21.
The nitric oxide raw material gas to be purified enters the heavy removal rectifying tower 1 from the first gas inlet 11, the heavy component flows towards the lower side of the heavy removal rectifying tower 1, the nitric oxide and the light component flow towards the upper side of the heavy removal rectifying tower 1 and flow out of the first gas outlet 12, so that the heavy component in the nitric oxide raw material can be removed. Then, nitric oxide and light components enter the material receiving cavity 21 of the first light removal material receiving tank 2 from the second air inlet 22, the second air outlet valve 241 is firstly opened, the second air outlet valve 231 is firstly closed, the temperature in the material receiving cavity 21 is regulated by the temperature regulating device to be lower than the melting point or boiling point of nitric oxide, so that the nitric oxide is liquefied or solidified, meanwhile, the light components are kept as gases, such as hydrogen, helium, nitrogen and the like, the light components are discharged from the second air outlet 24, and the liquid or solidified nitric oxide is remained in the material receiving cavity 21 to play a role in removing the light components; then, after a certain amount of nitric oxide is collected, the second air inlet valve 221 and the second air outlet valve 241 are closed, the second air outlet valve 231 is opened, the temperature adjusting device adjusts the temperature of the material receiving cavity 21 to be higher than the vaporization temperature of nitric oxide, so that nitric oxide is changed into gas and flows out from the second air outlet 23, thereby obtaining high-purity nitric oxide gas, and the light-removal and material receiving materials are integrated in the first light-removal material receiving tank 2, so that the structure of the purification system is simplified.
In some embodiments, the number of first light ends removal tanks 2 is two, and the two first light ends removal tanks 2 are arranged in parallel.
During the production of nitric oxide, the second air inlet valve 221 and the second air outlet valve 241 of one first light removal and collection tank 2 are opened, the second air outlet valve 231 is closed, the temperature regulating device is cooled, nitric oxide enters the first light removal and collection tank 2 for removal and collection, the second air inlet valve 221 and the second air outlet valve 241 of the other first light removal and collection tank 2 are closed, the second air outlet valve 231 is opened, the temperature regulating device is heated, and nitric oxide becomes gas to flow out from the second air outlet 23. The two first light removal material receiving tanks 2 can be used alternately, nitric oxide gas enters one of the two first light removal material receiving tanks 2 to remove light and collect, and the other first light removal material receiving tank 2 can emit high-purity nitric oxide for filling or subsequent procedures, so that the influence on continuous production of the nitric oxide is small, and the production efficiency is improved.
In some embodiments, the nitric oxide purifying and collecting device further comprises a second light-removal material receiving tank 3, the second light-removal material receiving tank 3 is provided with a fourth air inlet 31, a fourth air outlet 32 and a fourth air outlet 33, a fourth air inlet valve 311 is arranged on the fourth air inlet 31, a fourth air outlet valve 321 is arranged on the fourth air outlet 32, a fourth air outlet valve 331 is arranged on the fourth air outlet 33, the nitric oxide purifying and collecting device further comprises a main air inlet pipe 4, the fourth air inlet 31 and the first air inlet 11 are connected with the main air inlet pipe 4, the first air inlet 11 is provided with a first air inlet valve 13, and the first air inlet valve 13 and the fourth air inlet valve 311 can switch the air of the main air inlet pipe 4 to enter the first air inlet 11 or the fourth air inlet 31.
The nitric oxide gas raw material to be purified enters the main air inlet pipe 4, the first air inlet valve 13 and the fourth air inlet valve 311 can be switched to be opened or closed, the gas entering the heavy removal rectifying tower 1 or the second light removal collecting tank 3 from the main air inlet pipe 4 can be switched to enter the heavy removal rectifying tower 1 for heavy removal and light removal treatment, and the production of high-purity nitric oxide can be satisfied; when the nitrogen oxide enters the second light removal material receiving tank 3, only light removal treatment is carried out, so that the production of nitrogen oxide with low purity requirements can be met, and the production of more nitrogen oxide gas with different purity requirements can be met.
In some embodiments, referring to fig. 2, the temperature adjusting device includes a refrigerant pipe 251 disposed in the receiving cavity 21, and a temperature detector 254, and the first light-component receiving tank 2 is further provided with a refrigerant inlet 252 and a refrigerant outlet 253 that are communicated with the refrigerant pipe 251, and the temperature detector 254 is used for detecting the temperature of the receiving cavity 21.
The refrigerant enters the refrigerant pipe 251 from the refrigerant inlet 252, exchanges heat with the material receiving cavity 21, flows out from the refrigerant outlet 253, and the temperature detector 254 detects the temperature of the material receiving cavity 21 so as to control the flow rate of the refrigerant, thereby realizing temperature control. The refrigerant can be liquid nitrogen or nitrogen, when the temperature needs to be reduced, the low-temperature liquid nitrogen is kept to flow through the refrigerant pipe 251, so that the temperature of the material receiving cavity 21 can be reduced; when the temperature needs to be raised, nitrogen gas can be supplied and the temperature of the nitrogen gas can be raised, and the temperature of the material receiving cavity 21 can be raised.
In some embodiments, the first light-component material receiving tank 2 is further provided with an air pressure detector 26, and the air pressure detector 26 is used for detecting the air pressure in the material receiving cavity 21.
In the process of collecting nitric oxide in the first light-removal material collecting tank 2, the air pressure in the first light-removal material collecting tank 2 is increased along with the increase of the collection amount of the nitric oxide; when the air pressure detector 26 detects that the air pressure in the receiving cavity 21 is higher than the set air pressure value, it indicates that the nitric oxide cannot be liquefied or solidified any more, and the first light-removal receiving tank 2 is full, at this time, the receiving can be stopped, so that an operator can know the receiving condition conveniently.
In some embodiments, the second exhaust port 24 is further connected to a negative pressure pipe 27, a negative pressure valve 271 is disposed on the negative pressure pipe 27, the second air inlet 22 is further connected to a replacement air pipe 28, and the replacement air pipe 28 is provided with a replacement valve 281.
Before the first light-removal material receiving tank 2 receives materials, the replacement valve 281 and the negative pressure valve 271 are opened, the second air inlet valve 221 and the second air outlet valve 241 are closed, the negative pressure pipe 27 generates negative pressure, the replacement air enters the material receiving cavity 21 from the replacement air pipe 28, the gas impurities in the material receiving cavity are replaced and pumped out, and then the materials are received, so that the purity of nitric oxide can be improved.
In some embodiments, the nitric oxide purifying and collecting device further comprises a light-removal rectifying tower 5, wherein the light-removal rectifying tower 5 is provided with a third air inlet 51 and a third air outlet 52, the third air outlet 52 is arranged at the lower side of the light-removal rectifying tower 5, and the third air outlet 52 is connected with the first air inlet 11. The light component removal rectifying tower 5 is used for removing part of light components in the nitric oxide raw material at first, so that the purity of nitric oxide is improved.
Further, when the main air inlet pipe 4 and the second light component removal material receiving tank 3 are adopted, the main air inlet pipe 4 is connected with the third air inlet 51, and the main air inlet pipe passes through the light component removal rectifying tower 5 and then enters the first air inlet 11.
In some embodiments, the nitric oxide purification and collection device further comprises a weighing device 6, the first light-removal material receiving tank 2 is arranged on the weighing device 6, and the weighing device 6 is used for weighing the first light-removal material receiving tank 2. The weighing device 6 can weigh the amount of the nitric oxide collected by the first light-removal material receiving tank 2, so that the collection amount can be conveniently known in real time.
On the other hand, a filling system with the above-mentioned nitric oxide purification and collection device, the filling system further comprises a filling pipe 7, and the filling pipe 7 is connected with the second air outlet 23. By adopting the nitric oxide purification and collection device, the purity of nitric oxide gas can be improved, and the system structure is simpler. The filling pipeline 7 is connected with the gas cylinder 8 to be filled, the second gas outlet valve 231 is opened to release high-purity nitric oxide gas, and the high-purity nitric oxide gas can be filled into the gas cylinder 8, so that the operation is simple.
In some embodiments, the filling duct 7 is also connected to a fourth air outlet 32, which can be filled with air when the second light ends receiving tank 3 is used.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (9)
1. A nitric oxide purification and collection device, comprising:
the heavy removal rectifying tower (1) is provided with a first air inlet (11) and a first air outlet (12), and the first air outlet (12) is arranged on the upper side of the heavy removal rectifying tower (1);
the first light-removal material receiving tank (2) is provided with a material receiving cavity (21) on the inner side, the first light-removal material receiving tank (2) is further provided with a second air inlet (22), a second air outlet (23) and a second air outlet (24) which are communicated with the material receiving cavity (21), the second air inlet (22) is provided with a second air inlet valve (221), the second air outlet (23) is provided with a second air outlet valve (231), the second air outlet (24) is provided with a second air outlet valve (241), the first air outlet (12) is connected with the second air inlet (22), and the first light-removal material receiving tank (2) is also provided with a temperature regulating device which is used for cooling or heating the material receiving cavity (21).
2. The nitric oxide purification and collection device according to claim 1, wherein the number of the first light removal and collection tanks (2) is two, and the two first light removal and collection tanks (2) are arranged in parallel.
3. The nitric oxide purification and collection device according to claim 1, further comprising a second light-removal receiving tank (3), wherein the second light-removal receiving tank (3) is provided with a fourth air inlet (31), a fourth air outlet (32) and a fourth air outlet (33), a fourth air inlet valve (311) is arranged on the fourth air inlet (31), a fourth air outlet valve (321) is arranged on the fourth air outlet (32), a fourth air outlet valve (331) is arranged on the fourth air outlet (33), the nitric oxide purification and collection device further comprises a total air inlet pipe (4), the fourth air inlet (31) and the first air inlet (11) are connected with the total air inlet pipe (4), a first air inlet valve (13) is arranged on the first air inlet (11), and the first air inlet valve (13) and the fourth air inlet valve (311) can switch the air of the total air inlet pipe (4) into the first air inlet (11) or the fourth air inlet (31).
4. The nitric oxide purifying and collecting device according to claim 1, wherein the temperature adjusting device comprises a refrigerant pipe (251) arranged in the receiving cavity (21) and a temperature detector (254), the first light-removal receiving tank (2) is further provided with a refrigerant inlet (252) and a refrigerant outlet (253) which are communicated with the refrigerant pipe (251), and the temperature detector (254) is used for detecting the temperature of the receiving cavity (21).
5. The nitric oxide purification and collection device according to claim 1, wherein the first light-removal material receiving tank (2) is further provided with an air pressure detector (26), and the air pressure detector (26) is used for detecting air pressure in the material receiving cavity (21).
6. The nitric oxide purification and collection device according to claim 1, wherein the second air outlet (24) is further connected with a negative pressure pipe (27), a negative pressure valve (271) is arranged on the negative pressure pipe (27), the second air inlet (22) is further connected with a replacement air pipe (28), and the replacement air pipe (28) is provided with a replacement valve (281).
7. The nitric oxide purification and collection device according to claim 1, further comprising a light ends removal rectifying tower (5), wherein the light ends removal rectifying tower (5) is provided with a third air inlet (51) and a third air outlet (52), the third air outlet (52) is arranged at the lower side of the light ends removal rectifying tower (5), and the third air outlet (52) is connected with the first air inlet (11).
8. The nitric oxide purification and collection device according to claim 1, further comprising a weighing device (6), said first light removal and collection tank (2) being arranged on said weighing device (6), said weighing device (6) being adapted to weigh said first light removal and collection tank (2).
9. A filling system comprising the nitric oxide purification and collection device according to any of claims 1 to 8, further comprising a filling duct (7), said filling duct (7) being connected to said second air outlet (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223238868.4U CN218936033U (en) | 2022-11-30 | 2022-11-30 | Nitrogen monoxide purification collection device and filling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223238868.4U CN218936033U (en) | 2022-11-30 | 2022-11-30 | Nitrogen monoxide purification collection device and filling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218936033U true CN218936033U (en) | 2023-04-28 |
Family
ID=86064395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223238868.4U Active CN218936033U (en) | 2022-11-30 | 2022-11-30 | Nitrogen monoxide purification collection device and filling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218936033U (en) |
-
2022
- 2022-11-30 CN CN202223238868.4U patent/CN218936033U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6109825B2 (en) | Liquefaction apparatus with pressure controlled liquefaction chamber | |
| CN107302119B (en) | Air cooling device and method for battery box of electric vehicle | |
| KR102510686B1 (en) | Liquefied gas preliminary system and liquefied gas preliminary supply method | |
| CN107120961B (en) | Dewaxing device for sintering furnace | |
| CN218936033U (en) | Nitrogen monoxide purification collection device and filling system | |
| KR200446520Y1 (en) | Air Compressing System | |
| CN201111964Y (en) | On-line purifying system of sodium-cooled fast reactor secondary circuit sodium | |
| CN110181055A (en) | A kind of metal 3D printer intelligence deoxygenation circulation purifying method and equipment | |
| CN209027188U (en) | A kind of helium purification cold recovery utilizes system | |
| CN210668556U (en) | Cooling water pressure control system of fuel cell engine | |
| CN204035497U (en) | A kind of highly efficient cooling device of neodymium iron boron processing | |
| CN210463763U (en) | N2O purification device and production system | |
| US20030074916A1 (en) | Apparatus and methods for low pressure cryogenic cooling | |
| JP2011522208A (en) | Multiple refrigerant cooling system with refrigerant composition adjustment function | |
| CN208312875U (en) | A kind of device improving existing space division liquid yield | |
| JPH0464869A (en) | Helium gas refining device | |
| JP5123880B2 (en) | Simple liquid nitrogen production equipment | |
| CN205980123U (en) | Large -scale refrigerating system | |
| WO2019053525A1 (en) | Process for utilizing of multi stage compressors intercoolers blowdown as a coolant for process air | |
| CN211753652U (en) | Condensation recovery system | |
| CN220907142U (en) | Nitrogen recovery device for air compression station | |
| CN220038903U (en) | Expansion machine with high refrigerating effect | |
| CN219868776U (en) | Liquefied air preparation system | |
| CN114216301B (en) | Device and method for cryogenic separation and production of high-purity liquid nitrogen | |
| CN208374168U (en) | A kind of low-pressure casting mold with intelligent temperature control function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |