CN210721156U - Multi-component gas simulation mixing system - Google Patents
Multi-component gas simulation mixing system Download PDFInfo
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- CN210721156U CN210721156U CN201922186852.5U CN201922186852U CN210721156U CN 210721156 U CN210721156 U CN 210721156U CN 201922186852 U CN201922186852 U CN 201922186852U CN 210721156 U CN210721156 U CN 210721156U
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Abstract
The utility model discloses a gaseous simulation hybrid system of multicomponent belongs to gaseous simulation mixing technical field. After each component gas independently enters the rotary mixer, the component gases are fully and uniformly mixed in the annular gas mixing chamber, water vapor is added through the water vapor generation unit, and after relevant parameters of the multi-component gas and the water vapor are adjusted through data fed back by the monitoring unit, simulated mixed gas is obtained and is connected into a required system. The system has reasonable design, improves the concentration and the flow velocity distribution uniformity of the multi-component gas, can realize the accurate regulation and control of the moisture, and has wide application range, simple and convenient operation and high efficiency.
Description
Technical Field
The utility model belongs to the technical field of the gas simulation mixes, concretely relates to gaseous simulation hybrid system of multicomponent.
Background
The multi-component gas simulation mixing is widely applied to laboratory research, industrial scale-up tests and actual industrial production, the simulation mixing effect directly influences the test conclusion and the industrial production, and the important effect is obvious. The common gas simulated mixing mainly adopts a special geometric shape to enable fluid to flow transversely or disorderly so as to achieve the mixing purpose, and the concentration distribution and the flow velocity distribution of the simulated mixed gas are key indexes for evaluating the simulated mixing effect.
In scientific experiments and amplified experimental researches, general multi-component gas simulation mixing is easy to realize, but when more components or special components are aimed at, the multi-component gas simulation mixing brings difficulty to people, and the existing gas simulation method has some problems and defects. 1. When more than four components are simulated, the gas concentration distribution uniformity is poor, so that the simulated mixed gas is unstable in property; 2. the flow rate deviation is large, and the fluctuation of the gas component mixing ratio is large; 3. when moisture is used as one of the component gases, the problems of difficult moisture addition and difficult control of the water vapor concentration exist; 4. the problems of unstable pressure of multi-component gas, large temperature fluctuation, difficult adjustment of single component and the like exist.
Disclosure of Invention
In order to solve the problem, the utility model aims to provide a gaseous simulation hybrid system of multicomponent, reasonable in design has improved the gaseous concentration of multicomponent and velocity distribution homogeneity to can realize the accurate regulation and control of moisture, application scope is wide, easy and simple to handle, efficient.
The utility model discloses a realize through following technical scheme:
the utility model discloses a multi-component gas simulation mixing system, which comprises a gas mixing unit, a water vapor generation unit and a monitoring unit which are sequentially connected through a main system pipeline, and a gas inlet unit connected with the gas mixing unit;
the air inlet unit comprises a plurality of air inlet pipelines;
the gas mixing unit comprises a rotary mixer and a central cylinder; the upper part of the rotary mixer is a cylindrical cylinder, and the lower part of the rotary mixer is a conical cylinder; the inlet end of the central cylinder is positioned in the cylindrical cylinder and communicated with the interior of the cylindrical cylinder, and the outlet end of the central cylinder is connected with a system main pipeline; an annular gas mixing chamber is formed between the central cylinder and the cylindrical cylinder, all gas inlet pipelines are connected with the cylindrical cylinder, and the gas inlet pipelines are arranged in the tangential direction of the cylindrical cylinder;
the water vapor generation unit comprises a heating device and a water storage device, the heating device is connected with the water storage device, the water storage device is connected with a weight measuring device for measuring the water quantity of the water storage device, and the water storage device is connected with a main system pipeline through a connecting pipe;
the monitoring unit is used for monitoring relevant parameters of the multi-component gas;
a preheater is arranged between the gas mixing unit and the water vapor generation unit, and a heater is arranged between the water vapor generation unit and the monitoring unit.
Preferably, the air inlet unit comprises a plurality of air storage devices, the air storage devices are connected with the cylindrical barrel through air inlet pipelines, and the air inlet pipelines are sequentially provided with a switch, a flow setter and an air inlet regulating valve.
Preferably, the central cylinder is arranged concentrically with the cylindrical cylinder.
Preferably, the central cylinder is adjustable in length inside the cylindrical cylinder.
Preferably, a mixed gas return pipeline is connected between the outlet end of the central cylinder and the lower part of the rotary mixer, and a mixed gas return valve is arranged on the mixed gas return pipeline.
Preferably, a water vapor return pipeline is connected between the connecting pipe and the water storage device, and a water vapor return valve is arranged on the water vapor return pipeline.
Preferably, the connection tube is a fluororubber hose.
Preferably, the preheater is connected with a first temperature controller, and the heater is connected with a second temperature controller.
Preferably, the outer wall of the main pipeline of the system is provided with a heat preservation layer, and the inner wall of the main pipeline of the system is provided with a hydrophobic layer.
Preferably, the monitoring unit comprises a pressure gauge and a flow meter, the flow meter having real-time flow and cumulative flow monitoring functions.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model discloses a gaseous simulation hybrid system of multicomponent, multicomponent are gaseous through the unit entering of admitting air mix the gas cell after mixing, add steam by steam generating unit again, through the data conditioning multicomponent of monitoring unit feedback and the relevant parameter of steam after, obtain simulation mist, access required system. The component gases enter the rotary mixer independently, and each component gas parameter is controllable. After each component gas enters the rotary mixer along the tangential direction and is mixed in the annular gas mixing chamber, the space of the conical cylinder is reduced, so that each component gas can be efficiently, fully and uniformly mixed, and the concentration distribution deviation of the mixed gas is avoided. The water vapor generation unit can accurately control the temperature and the concentration of water vapor through the temperature control of the heating device and the mass change of water quantity, and the accurate addition of the water vapor in the multi-component simulation mixed gas is ensured. The preheater and the heater can control the temperature of the mixed gas before and after the water vapor is added, and the water vapor condensation is avoided. The system has reasonable design, improves the concentration and the flow velocity distribution uniformity of the multi-component gas, can realize the accurate regulation and control of the moisture, and has wide application range, simple and convenient operation and high efficiency.
Furthermore, each component gas in the gas inlet unit can further improve the control accuracy and the simulation result through the flow setter and the gas inlet regulating valve.
Furthermore, the central cylinder and the cylindrical cylinder are concentrically arranged, so that the central cylinder and the cylindrical cylinder form a uniform annular gas mixing chamber, the mixing uniformity of the multi-component gas is further improved, and the concentration distribution deviation is reduced.
Furthermore, the length of the central cylinder inside the cylindrical cylinder is adjustable, and the size of the annular gas mixing chamber can be adjusted according to the distribution range of the actual gas inlet pipeline, so that the mixing is more efficient.
Furthermore, the mixed gas return pipeline and the mixed gas return valve can adjust the amount of the surplus mixed gas and ensure the stable output of the system.
Furthermore, a water vapor return pipeline and a water vapor return valve can control the backflow of redundant water vapor, so that the steam is stably added into the main pipeline of the system, and the addition amount is more accurate and controllable.
Furthermore, the connecting pipe adopts a fluorine rubber hose, so that the fluctuation of the concentration of the output water vapor is reduced to the maximum extent, and the connection is stable and reliable.
Furthermore, the first temperature controller can accurately control the heating temperature of the preheater in real time and control the temperature of the mixed gas; the second temperature controller can accurately control the heating temperature of the heater in real time, and the temperature stability of the system output gas is ensured.
Furthermore, the outer wall of the main pipeline of the system is provided with a heat-insulating layer, so that the temperature change range of the mixed gas is reduced; the inner wall is provided with a hydrophobic layer to prevent water vapor condensation loss.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: the device comprises a gas storage device 1, a switch 2, a flow setting device 3, an air inlet adjusting valve 4, a rotary mixer 5, a central cylinder 6, a first control valve 7, a mixed gas return valve 8, a switch valve 9, a preheater 10, a first temperature controller 11, a heating device 12, a steam return valve 13, a connecting pipe 14, a steam adjusting valve 15, a heater 16, a second temperature controller 17, a second control valve 18, a pressure gauge 19 and a flow meter 20.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, which are included to illustrate and not to limit the present invention:
as shown in fig. 1, the multi-component gas simulation mixing system of the present invention comprises a gas mixing unit, a water vapor generation unit and a monitoring unit which are sequentially connected through a main system pipeline, and a gas inlet unit connected to the gas mixing unit;
the air inlet unit comprises a plurality of air storage devices 1, the air storage devices 1 are respectively connected with the cylindrical barrel through air inlet pipelines, and the air inlet pipelines are sequentially provided with a switch 2, a flow setter 3 and an air inlet regulating valve 4.
The gas mixing unit comprises a rotary mixer 5 and a central cylinder 6; the upper part of the rotary mixer 5 is a cylindrical cylinder, and the lower part of the rotary mixer is a conical cylinder; the inlet end of the central cylinder 6 is located inside the cylinder and communicates with the inside of the cylinder, preferably the central cylinder 6 is located inside the cylinder with an adjustable length, and the central cylinder 6 is arranged concentrically with the cylinder. An annular gas mixing chamber is formed between the central cylinder 6 and the cylindrical cylinder, all gas inlet pipelines are connected with the cylindrical cylinder, and the gas inlet pipelines are arranged in the tangential direction of the cylindrical cylinder. The outlet end of the central cylinder 6 is connected with a system main pipeline, a mixed gas return pipeline is connected between the outlet end of the central cylinder 6 and the lower part of the rotary mixer 5, and a mixed gas return valve 8 is arranged on the mixed gas return pipeline.
The water vapor generation unit comprises a heating device 12 and a water storage device, wherein the heating device 12 is connected with the water storage device, the water storage device is connected with a weight measuring device for measuring the water quantity of the water storage device, and the weight measuring device can adopt an electronic scale or a weight sensor; the water storage device is connected with a system main pipeline through a connecting pipe 14, and a water vapor regulating valve 15 is arranged on the connecting pipe 14; a water vapor return pipeline is also connected between the connecting pipe 14 and the water storage device, and a water vapor return valve 13 is arranged on the water vapor return pipeline. The connection tube 14 is preferably a fluororubber hose.
A preheater 10 is arranged between the gas mixing unit and the water vapor generation unit, the preheater 10 is connected with a first temperature controller 11, and a control valve 7 and a switch valve 9 are sequentially arranged between the central cylinder 6 and the preheater 10. A heater 16 is arranged between the water vapor generating unit and the monitoring unit, and the heater 16 is connected with a second temperature controller 17. A second control valve 18 is arranged between the second temperature controller 17 and the monitoring unit.
The monitoring unit comprises a pressure gauge 19 and a flow meter 20, and the flow meter 20 has real-time flow and accumulated flow monitoring functions.
The outer wall of the system main pipeline is provided with a heat insulation layer, such as asbestos, polyurethane foam and the like; the inner wall of the system main pipeline is provided with a hydrophobic layer, such as fluorine-containing polymer (PTFE, fluorinated polyethylene and fluorocarbon wax), high molecular melt polymer (polyolefin, polycarbonate, polyamide and polyacrylonitrile) and the like.
Use the utility model discloses an operating method of two functions of multicomponent gas simulation hybrid system is right for the example below the utility model discloses a working process explains:
The system generates a moisture-free multi-component simulated gas: the method comprises the steps that preset concentration of each component gas is set in a flow setter 3, a switch 2, an air inlet adjusting valve 4 and a first control valve 7 are opened, a second control valve 18 and a water vapor adjusting valve 15 are closed, a mixed gas reflux valve 8 is adjusted, the temperatures of a first temperature controller 11 and a second temperature controller 12 are set, a preheater 10 and a heater 16 are opened, the second control valve 18 is opened, the flow is set, a switch valve 9 is opened, after real-time flow reading of a flow meter 20 is stable, reading of a pressure gauge 19 and reading of the second temperature controller 12 are recorded, and the mixed gas is simulated to be connected into a required system.
The system generates a multi-component simulated gas containing moisture: and (3) starting the heating device 12, adjusting the water adding amount through the heating temperature and the mass change rate, opening the water vapor reflux valve 13, setting the temperature of the second temperature controller 12, starting the water vapor regulating valve 15 and the second control valve 18, and allowing the real-time flow reading of the flow meter 20 to be stable. Setting the preset concentration of each component gas in a flow setter 3, starting a switch 2, an air inlet regulating valve 4 and a first control valve 7, closing a second control valve 18, adjusting a mixed gas reflux valve 8, setting the temperature of a first temperature controller 11 and a second temperature controller 12, starting a preheater 10 and a heater 16, starting the second control valve 18 and setting the flow, starting a switch valve 9, recording the reading of a pressure gauge 19 and the reading of the second temperature controller 12 after the real-time flow reading of a flow meter 20 is stable, and simulating the mixed gas to be accessed into a required system.
While the foregoing is directed to embodiments of the present invention, other and further modifications and embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (10)
1. A multi-component gas simulation mixing system is characterized by comprising a gas mixing unit, a water vapor generation unit and a monitoring unit which are sequentially connected through a main system pipeline, and a gas inlet unit connected with the gas mixing unit;
the air inlet unit comprises a plurality of air inlet pipelines;
the gas mixing unit comprises a rotary mixer (5) and a central cylinder (6); the upper part of the rotary mixer (5) is a cylindrical cylinder, and the lower part of the rotary mixer is a conical cylinder; the inlet end of the central cylinder (6) is positioned in the cylindrical cylinder and communicated with the interior of the cylindrical cylinder, and the outlet end of the central cylinder (6) is connected with a system main pipeline; an annular gas mixing chamber is formed between the central cylinder (6) and the cylindrical cylinder, all gas inlet pipelines are connected with the cylindrical cylinder, and the gas inlet pipelines are arranged in the tangential direction of the cylindrical cylinder;
the water vapor generation unit comprises a heating device (12) and a water storage device, the heating device (12) is connected with the water storage device, the water storage device is connected with a weight measuring device for measuring the water quantity of the water storage device, and the water storage device is connected with a system main pipeline through a connecting pipe (14);
the monitoring unit is used for monitoring relevant parameters of the multi-component gas;
a preheater (10) is arranged between the gas mixing unit and the water vapor generation unit, and a heater (16) is arranged between the water vapor generation unit and the monitoring unit.
2. The multi-component gas simulation mixing system according to claim 1, wherein the gas inlet unit comprises a plurality of gas storage devices (1), the gas storage devices (1) are connected with the cylindrical barrel through gas inlet pipelines, and the gas inlet pipelines are sequentially provided with a switch (2), a flow setter (3) and a gas inlet regulating valve (4).
3. The multi-component gas analog mixing system of claim 1, wherein the central cartridge (6) is disposed concentrically with the cylindrical cartridge.
4. The multi-component gas analog mixing system of claim 1, wherein the length of the central cartridge (6) inside the cylindrical cartridge is adjustable.
5. The multi-component gas simulation mixing system according to claim 1, wherein a mixture gas return line is connected between the outlet end of the central cylinder (6) and the lower portion of the rotary mixer (5), and a mixture gas return valve (8) is arranged on the mixture gas return line.
6. The multi-component gas simulation mixing system according to claim 1, wherein a water vapor return line is connected between the connecting pipe (14) and the water storage device, and a water vapor return valve (13) is arranged on the water vapor return line.
7. The multi-component gas simulation mixing system of claim 1, wherein the connecting tube (14) is a fluoroelastomer hose.
8. The multi-component gas simulation mixing system according to claim 1, wherein the preheater (10) is connected to a first thermostat (11) and the heater (16) is connected to a second thermostat (17).
9. The multi-component gas simulation mixing system according to claim 1, wherein the outer wall of the main system pipeline is provided with an insulating layer, and the inner wall of the main system pipeline is provided with a hydrophobic layer.
10. The multi-component gas analog hybrid system of claim 1, wherein the monitoring unit comprises a pressure gauge (19) and a flow meter (20), the flow meter (20) having real-time flow and cumulative flow monitoring capabilities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922186852.5U CN210721156U (en) | 2019-12-09 | 2019-12-09 | Multi-component gas simulation mixing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922186852.5U CN210721156U (en) | 2019-12-09 | 2019-12-09 | Multi-component gas simulation mixing system |
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| CN210721156U true CN210721156U (en) | 2020-06-09 |
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| CN201922186852.5U Active CN210721156U (en) | 2019-12-09 | 2019-12-09 | Multi-component gas simulation mixing system |
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