Device for efficiently filling nitrous oxide
By designing an efficient filling device, the leakage and contamination problems of the nitrous oxide filling system were solved, and the efficient recovery and purification of raw materials were achieved, ensuring the stability and purity of the filling process.
Patent Information
- Application Number
- CN202422933284.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-11-29
AI Technical Summary
Existing nitrous oxide filling systems are prone to leakage when switching cylinders, leading to raw material loss and reduced purity, and are also susceptible to contamination during the filling process.
An efficient filling device was designed, comprising a feed pipe, a cryogenic liquid pump, a collection tank, a filter pipe, a vaporizer, a purifier, and a liquefaction unit. Leaking gas is collected through the collection tank, impurities are filtered, and the gas is vaporized and purified before being returned to the filling pipe, ensuring pressure stability. Insulation material is used to reduce vaporization loss.
It reduces raw material loss, prevents contamination, ensures pressure stability and purity during the filling process, and improves filling efficiency.
Smart Images
Figure CN223726063U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a technical field of nitrogen monoxide filling, especially to a device for filling nitrogen monoxide with high efficiency. BACKGROUND
[0002] Nitrogen monoxide, also known as laughing gas, is a colorless sweet gas, which is an oxidant and can support combustion under certain conditions (same as oxygen, because laughing gas can be decomposed into nitrogen and oxygen at high temperature), but stable at room temperature, has a slight narcotic effect and can make people laugh, and is widely used in various fields. At present, when the existing nitrogen monoxide filling system needs to be switched when the cylinder is filled, nitrogen monoxide is easily leaked, and when the leaked nitrogen monoxide is recovered, although the loss of raw materials can be reduced, the nitrogen monoxide is contaminated, resulting in a decrease in purity and affecting subsequent use. SUMMARY
[0003] The utility model provides a device for filling nitrogen monoxide with high efficiency, in order to solve the deficiency existing in the prior art.
[0004] The technical implementation scheme of the utility model is: a device for filling nitrogen monoxide with high efficiency, which comprises a feed pipe, one end of the feed pipe is an inlet end, the feed pipe is provided with a valve one, the other end of the feed pipe is communicated to the input end of a low-temperature liquid pump one, the output end of the low-temperature liquid pump one is communicated to a filling pipe, a collection tank is arranged in a container, a plurality of steel cylinders are arranged in the collection tank, a guide pipe is arranged on each steel cylinder, one end of the guide pipe extends into the steel cylinder, the other end of the guide pipe is communicated to the filling pipe, a recovery pipe is communicated to the collection tank at one end, the recovery pipe is provided with a valve two, the other end of the recovery pipe is communicated to the input end of a low-temperature liquid pump two, the output end of the low-temperature liquid pump two is communicated to one end of a filter pipe, a filter assembly is arranged in the filter pipe, the other end of the filter pipe is provided with a valve three and communicated to the filling pipe.
[0005] Further, a safety valve and a pressure gauge are arranged on the filling pipe.
[0006] Further, a metering valve is arranged on each guide pipe.
[0007] Further, a vaporizer, a purifier and a liquefier are arranged in the filter pipe in sequence.
[0008] Further, a pressure stabilizer is arranged in the filter pipe, and the pressure stabilizer is located on the side of the filter pipe close to the input end of the valve three.
[0009] Further, the outer wall of the filter pipe is wrapped with a heat preservation material, and the heat preservation material is located between the pressure stabilizer and the liquefier.
[0010] The utility model has the advantages of the following: 1, the utility model discloses a collection groove collects the nitrogen monoxide of leakage, when the nitrogen monoxide of leakage enters the filter pipe, the impurity in the nitrogen monoxide is filtered through the filter component, then the nitrogen monoxide is vaporized by the vaporizer, the vaporized nitrogen monoxide enters the purifier and is purified, and the liquefied nitrogen monoxide is returned to the filling pipe, which can reduce the loss of raw materials and prevent the nitrogen monoxide from being polluted.
[0011] 2, through the pressure stabilizer, the pressure of the nitrogen monoxide delivered to the filling end is kept balanced, the stability of the pressure during filling is guaranteed, the pressure gauge is convenient for the staff to observe the pressure value at the place, in case of overpressure during filling, the safety valve can be used for pressure relief, the inside of the filling system is kept in the normal pressure range, the heat exchange between the liquid nitrogen monoxide and the pipeline during the delivery process is reduced, that is, the possibility of vaporization of the liquid nitrogen monoxide is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a structural schematic view of the utility model.
[0013] In the above drawings: 1: feed pipe, 01: valve one, 2: filling pipe, 2221: low-temperature liquid pump one, 3: safety valve, 4: pressure gauge, 5: container warehouse, 51: steel cylinder, 52: conduit, 53: metering valve, 6: collection groove, 7: recovery pipe, 71: valve two, 8: low-temperature liquid pump two, 9: filter component, 10: vaporizer, 11: filter pipe, 12: purifier, 13: liquefier, 14: pressure stabilizer, 15: heat preservation material, 16: valve three. DETAILED DESCRIPTION
[0014] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0015] Embodiment 1: a high-efficiency filling device for nitrogen monoxide, referring to Figure 1, including a feeding pipe 1, one end of the feeding pipe 1 being a feeding end, the feeding pipe 1 being provided with a valve 01, the other end of the feeding pipe 1 being communicated to an input end of a low-temperature liquid pump 21, an output end of the low-temperature liquid pump 21 being communicated to a filling pipe 2, the container 5 being provided with a collecting groove 6, the collecting groove 6 being provided with a plurality of steel cylinders 51, each of the steel cylinders 51 being provided with a guide pipe 52, one end of the guide pipe 52 extending into the steel cylinder 51, the other end of the guide pipe 52 being communicated to the filling pipe 2, one end of a recovery pipe 7 being communicated to the collecting groove 6, the recovery pipe 7 being provided with a valve 71, the other end of the recovery pipe 7 being communicated to an input end of a low-temperature liquid pump 8, an output end of the low-temperature liquid pump 8 being communicated to one end of a filtering pipe 11, the filtering pipe 11 being provided with a filtering assembly 9, the other end of the filtering pipe 11 being provided with a valve 16 and being communicated to the filling pipe 2.
[0016] Preferably, the filling pipe 2 is provided with a safety valve 3 and a pressure gauge 4, the safety valve 3 being capable of safety pressure relief, so as to ensure that the inside of the refilling system is within a normal pressure range, and the pressure gauge 4 being convenient for an operator to observe the pressure value at the position.
[0017] Preferably, each of the guide pipes 52 is provided with a metering valve 53.
[0018] Preferably, the filtering pipe 11 is provided, in sequence, with a vaporizer 10, a purifier 12 and a liquefier 13.
[0019] Preferably, the filtering pipe 11 is provided with a pressure stabilizer 14, the pressure stabilizer 14 being located below the valve 16, the pressure stabilizer 14 ensuring that the pressure of the nitrogen monoxide delivered to the filling end is kept balanced, so as to ensure that the pressure is stable during filling.
[0020] Preferably, an outer wall of the filtering pipe 11 is wrapped with a heat-insulating material 15, the heat-insulating material 15 being located between the pressure stabilizer 14 and the liquefier 13, and the heat-insulating material 15 reducing the possibility of vaporization of the liquid nitrogen monoxide.
[0021] Working principle: through low temperature liquid pump one 21 nitrous oxide is pumped into the feed pipe 1, then into the filling pipe 2, then through the conduit 52 is filled into the steel cylinder 51, through the metering valve 53 on the conduit 52 to measure the filling amount of nitrous oxide, when reaching the preset amount, the metering valve 53 is closed to replace the steel cylinder 51, the collection tank 6 collects the leaked nitrous oxide, through low temperature liquid pump two 8, the nitrous oxide in the collection tank 6 is pumped into the recovery pipe 7, then into the filter pipe 11, through the filter assembly 9 to filter the impurities in the nitrous oxide, then the vaporizer 10 vaporizes the nitrous oxide, the vaporized nitrous oxide enters the purifier 12 to purify the vaporized nitrous oxide, then through the liquefier 13 is liquefied into liquid nitrous oxide to return to the filling pipe 2, which can reduce the loss of raw materials, and can prevent the nitrous oxide from being contaminated. Through the pressure stabilizer 14, the pressure of the nitrous oxide delivered to the filling end is kept balanced, the stability of the pressure during filling is ensured, the pressure gauge 4 facilitates the observation of the pressure value at the place by the staff, in the case of overpressure during filling, the safety valve 3 can be used for pressure relief, to ensure that the inside of the filling system is in the normal pressure range, by setting the heat preservation material 15, the heat exchange between the liquid nitrous oxide and the pipeline during transportation is reduced, that is, the possibility of vaporization of the liquid nitrous oxide is reduced.
[0022] The above only describes the embodiments of the present application, and does not limit the patent range of the present application, any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, are all included in the patent protection range of the present application.
Claims
1. A device for efficiently filling nitrous oxide, characterized in that: The utility model relates to a kind of liquid gas filling device, including feed pipe (1), the feed pipe (1) one end is into the end, the feed pipe (1) is equipped with valve one (01), the feed pipe (1) other end is connected to the input end of low-temperature liquid pump one (21), the output end of low-temperature liquid pump one (21) is connected to filling pipe (2), set up collection tank (6) in container warehouse (5), collection tank (6) is equipped with several steel cylinders (51), each steel cylinder (51) is equipped with conduit (52), conduit (52) one end extends into steel cylinder (51), conduit (52) other end is connected to filling pipe (2), recovery pipe (7) one end is connected to collection tank (6), recovery pipe (7) is equipped with valve two (71), recovery pipe (7) other end is connected to the input end of low-temperature liquid pump two (8), the output end of low-temperature liquid pump two (8) is connected to one end of filter pipe (11), filter pipe (11) is equipped with filter assembly (9), the other end of filter pipe (11) is equipped with valve three (16) and is connected to filling pipe (2).
2. A high efficiency nitrous oxide filling device according to claim 1, characterised in that: Safety valve (3) and pressure gauge (4) are installed on filling pipe (2).
3. A high efficiency nitrous oxide filling apparatus according to claim 2, wherein: Each high pipe is equipped with metering valve (53).
4. A high efficiency nitrous oxide filling apparatus as defined in claim 3, wherein: Filter pipe (11) is equipped with vaporizer (10), purifier (12) and liquefier (13) in sequence.
5. A high efficiency nitrous oxide filling apparatus as defined in claim 4, wherein: Filter pipe (11) is provided with pressure stabilizer (14), and the pressure stabilizer (14) is located on the side of the filter pipe (11) close to the input end of the valve three (16).
6. A high efficiency nitrous oxide filling apparatus according to claim 5, wherein: The outer wall of filter pipe (11) is wrapped with heat insulating material (15), and the heat insulating material (15) is located between the pressure stabilizer (14) and the liquefier (13).