CN209034131U - Propane and air high temperature pre-mixing apparatus - Google Patents
Propane and air high temperature pre-mixing apparatus Download PDFInfo
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- CN209034131U CN209034131U CN201821450167.8U CN201821450167U CN209034131U CN 209034131 U CN209034131 U CN 209034131U CN 201821450167 U CN201821450167 U CN 201821450167U CN 209034131 U CN209034131 U CN 209034131U
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- propane
- high temperature
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Abstract
The utility model belongs to experimental rig field, to solve the problems, such as to realize propane and air high temperature premix and making premixed gas precision lower, the utility model provides a kind of propane and air high temperature pre-mixing apparatus, it include: controller, the first air inlet main road, the second air inlet main road, outlet main road and mixed gas tank, gas to be mixed is introduced into mixed gas tank and is mixed by the first air inlet main road and the second air inlet main road, and testing equipment is drawn out to from outlet main road, to realize propane and air high temperature premix, and make premixed gas precision higher.
Description
Technical field
The utility model belongs to experimental rig field, in particular to a kind of propane and air high temperature pre-mixing apparatus.
Background technique
It realizes propane and air pre-mixing is to carry out the important component part of correlation test, propane and air in the prior art
Premix mostly use the mode of partial pressure ratio or Devince By Dynamic Gas Ration Method to be premixed, these methods be equipped with premixed gas precision compared with
Difference, and can not achieve propane and air high temperature premix, hence for later period test, there are biggish security risks.
Thus, it is desirable to have a kind of technical solution overcomes or at least mitigates at least one drawbacks described above of the prior art.
Utility model content
In order to solve the above problem in the prior art, in order to solve to realize propane and air high temperature premix and make
The lower problem of premixed gas precision.For this purpose, the utility model provides a kind of propane and air high temperature pre-mixing apparatus, comprising:
Controller；First air inlet main road, including sequentially connected gas source, the first air inlet stop valve, warmer, pressure stabilizing gas tank, second into
Gas stop valve, check valve, the first charge flow rate regulating valve and the first mass air flow meter are provided on the pressure stabilizing gas tank
One temperature sensor；Second air inlet main road, including sequentially connected high pressure gas cylinder, the second mass air flow meter, the second air inlet
Flow control valve；Outlet main road, including sequentially connected third flow control valve, third mass air flow meter and back-fire relief
Valve；Mixed gas tank is provided with the first air inlet, the second air inlet, first row port, second exhaust port and second temperature sensing
Device；Wherein, first mass air flow meter is connect with first air inlet, the second charge flow rate regulating valve and institute
The connection of the second air inlet is stated, the first row port is connect with the third flow control valve, is connected at the second exhaust port
There is vacuum pump；Third temperature sensor is provided between the third mass air flow meter and the fire insulation valve；The control
Device processed respectively with the warmer, first temperature sensor, the first charge flow rate regulating valve, the first air inlet matter
Measure flowmeter, the second temperature sensor, second mass air flow meter, the second charge flow rate regulating valve, institute
State third flow control valve, the third mass air flow meter and third temperature sensor electrical connection.
Preferably, it is provided with exhaust pipe on the pressure stabilizing gas tank, hot-air emptying motor-driven valve is provided on the exhaust pipe.
Preferably, the propane and air high temperature pre-mixing apparatus further include exhaust branch, and one end of the exhaust branch connects
It is connected between the gas source and the first air inlet stop valve, the other end is connected to the hot-air emptying motor-driven valve far from described
One end of pressure stabilizing gas tank.
Preferably, pressure reducer is provided between the high pressure gas cylinder and second mass air flow meter.
Preferably, gas concentration detector is provided in the mixed gas tank.
Preferably, safety valve is provided in the mixed gas tank.
The utility model is easy to operate, service efficiency is high, can be realized the propane and air pre-mixing of high temperature, and propane and
It is high that air pre-mixing concentration controls precision.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the propane that the embodiments of the present invention provide and air premixing apptss.
Wherein:
1, gas source；2, the first air inlet stop valve；3, warmer；4, pressure stabilizing gas tank；5, cold air is vented motor-driven valve；6, heat is empty
Gas is vented motor-driven valve；7, the second air inlet stop valve；8, check valve；9, the first charge flow rate regulating valve；10, the first air mass stream
Meter；11, mixed gas tank；12, safety valve；13, gas concentration detector；14, high pressure gas cylinder；15, the second air-mass flow
Meter；16, the second charge flow rate regulating valve；17, third flow control valve；18, third mass air flow meter；19, fire insulation valve；
20, controller；21, the first temperature sensor；22, the first air inlet；23, the second air inlet；24, first row port；25, second
Exhaust outlet；26, second temperature sensor；27, third temperature sensor.
Specific embodiment
Preferred embodiments of the present invention are described with reference to the accompanying drawings.It should be understood by those skilled in the art that
It is that these embodiments are used only for explaining the technical principle of the utility model, it is not intended that limit the protection of the utility model
Range.
It should be noted that term " first ", " second ", " third " are only used for describing in the description of the present invention,
Purpose is not understood to indicate or imply relative importance.
In addition it is also necessary to explanation, in the description of the present invention, unless otherwise clearly defined and limited, art
Language " connection ", " setting " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.To those skilled in the art, above-mentioned term can be understood at this as the case may be
Concrete meaning in utility model.
Fig. 1 is the structural schematic diagram of the device of the propane that the embodiments of the present invention provide and air pre-mixing.Such as Fig. 1 institute
Show, the device of propane and air pre-mixing includes controller 20, the first air inlet main road, the second air inlet main road, outlet main road and mixing
Gas tank 11, the first air inlet main road are used for for introducing propane, mixed gas tank 11 by air for introducing air, the second air inlet main road
It is mixed with propane, outlet main road is used to mixed air and propane drawing mixed gas tank 11, to make mixed air
It is entered in testing equipment with propane, to complete subsequent test.
Wherein, the first air inlet main road includes sequentially connected gas source 1, the first air inlet stop valve 2, warmer 3, pressure stabilizing gas tank
4, the second air inlet stop valve 7, check valve 8, the first charge flow rate regulating valve 9 and the first mass air flow meter 10, pressure stabilizing gas
The first temperature sensor 21 is provided on tank 4.
Second air inlet main road includes being sequentially connected high pressure gas cylinder 14, the second mass air flow meter 15 and the second inlet air flow
Adjustable valve 16.
Outlet main road includes sequentially connected third flow control valve 17, third mass air flow meter 18 and fire insulation valve
19。
The first air inlet 22, the second air inlet 23, first row port 24, second exhaust port 25 are provided in mixed gas tank 11
And second temperature sensor 26.
First mass air flow meter 10 is connect with the first air inlet 22, the second charge flow rate regulating valve 16 and the second air inlet
Mouth 23 connects, and first row port 24 is connect with third flow control valve 17, and vacuum pump is connected at second exhaust port.
Third temperature sensor 27 is provided between third mass air flow meter 18 and fire insulation valve 19.
Controller 20 respectively with warmer 3, the first temperature sensor 21, the first charge flow rate regulating valve 9, the first air inlet matter
Measure flowmeter 10, second temperature sensor 26, the second mass air flow meter 15, the second charge flow rate regulating valve 16, third stream
Adjustable valve 17, third mass air flow meter 18 and third temperature sensor 27 are electrically connected.
In the present embodiment, gas source 1 introduces air from testing ground, and controller 20 controls warmer 3 and adds to air
Heat is passed so that having certain temperature into the gas in pressure stabilizing gas tank 4 by the first temperature being arranged on pressure stabilizing gas tank 4
Sensor 21 can detect the temperature of the air in pressure stabilizing gas tank 4 in real time, and controller 20 is adjusted by the first charge flow rate of control
Valve 9 and the first mass air flow meter 10, can control the amount that air enters in mixed gas tank 11.
Be pre-charged with propane in high pressure gas cylinder 14, by second mass air flow meter 15 of the control of controller 20 and second into
Air-flow adjustable valve 16, so as to control the amount that propane enters in mixed gas tank 14.
In the present embodiment, before being mixed to air and propane, need by vacuum pump to mixed gas tank 14 into
After vacuumizing, air and propane are introduced into mixed gas tank 14 for row vacuumize process, and are detected by second temperature sensor 26
The temperature of mixed gas, when temperature reaches setting value, controller 20 controls third flow control valve 17 and third air mass
Flowmeter 18, so that mixed gas, which is introduced testing equipment, carries out subsequent test.
Testing equipment may generate flame during the test, for safety, in outlet main road joint test equipment
One end is provided with fire insulation valve 19, to prevent flame from propagating to the device direction of propane and air pre-mixing.
It is provided with exhaust pipe on pressure stabilizing gas tank 4, hot-air emptying motor-driven valve 6 is provided on exhaust pipe, propane and air are high
Warm pre-mixing apparatus further includes exhaust branch, and cold air emptying motor-driven valve 5 is provided on the exhaust branch.One end of exhaust branch connects
It is connected between gas source 1 and the first air inlet stop valve 2, the other end is connected to one of hot-air emptying motor-driven valve 6 far from pressure stabilizing gas tank 4
End.
Due to being filled with the propane of high pressure in high pressure gas cylinder 14, therefore, it is necessary in high pressure gas cylinder 14 and the second air mass stream
Pressure reducer is provided between meter 15.
Optionally, gas concentration detector 13 and safety valve 12 are provided in mixed gas tank 11.
So far, it has been combined preferred embodiment shown in the drawings and describes the technical solution of the utility model, still, this
Field technical staff is it is easily understood that the protection scope of the utility model is expressly not limited to these specific embodiments.?
Under the premise of the principles of the present invention, those skilled in the art can make equivalent change to the relevant technologies feature
Or replacement, the technical solution after these changes or replacement are fallen within the protection scope of the utility model.
Claims (6)
1. a kind of propane and air high temperature pre-mixing apparatus, which is characterized in that including
Controller (20)；
First air inlet main road, including sequentially connected gas source (1), the first air inlet stop valve (2), warmer (3), pressure stabilizing gas tank
(4), the second air inlet stop valve (7), check valve (8), the first charge flow rate regulating valve (9) and the first mass air flow meter
(10), the first temperature sensor (21) are provided on the pressure stabilizing gas tank (4)；
Second air inlet main road, including sequentially connected high pressure gas cylinder (14), the second mass air flow meter (15) and the second air inlet
Flow control valve (16)；
Outlet main road, including sequentially connected third flow control valve (17), third mass air flow meter (18) and back-fire relief
Valve (19)；
Mixed gas tank (11) is provided with the first air inlet (22), the second air inlet (23), first row port (24), second exhaust
Mouth (25) and second temperature sensor (26)；
Wherein, first mass air flow meter (10) connect with first air inlet (22), second charge flow rate
Regulating valve (16) is connect with second air inlet (23), the first row port (24) and the third flow control valve (17)
It connects, is connected with vacuum pump at the second exhaust port (25)；
Third temperature sensor (27) are provided between the third mass air flow meter (18) and the fire insulation valve (19)；
The controller (20) respectively with the warmer (3), first temperature sensor (21), first charge flow rate
Regulating valve (9), first mass air flow meter (10), the second temperature sensor (26), second air mass
Flowmeter (15), the second charge flow rate regulating valve (16), the third flow control valve (17), the third air mass
Flowmeter (18) and the third temperature sensor (27) electrical connection.
2. propane according to claim 1 and air high temperature pre-mixing apparatus, which is characterized in that be arranged on the pressure stabilizing gas tank
There is exhaust pipe, hot-air emptying motor-driven valve (6) is provided on the exhaust pipe.
3. propane according to claim 2 and air high temperature pre-mixing apparatus, which is characterized in that the propane and air high temperature
Pre-mixing apparatus further includes exhaust branch, and cold air emptying motor-driven valve (5) is provided on the exhaust branch；
One end of the exhaust branch is connected between the gas source (1) and the first air inlet stop valve (2), other end connection
In the one end of hot-air emptying motor-driven valve (6) far from the pressure stabilizing gas tank (4).
4. propane according to claim 1 and air high temperature pre-mixing apparatus, which is characterized in that the high pressure gas cylinder (14) and
Pressure reducer is provided between second mass air flow meter (15).
5. propane according to claim 1 and air high temperature pre-mixing apparatus, which is characterized in that on the mixed gas tank (11)
It is provided with gas concentration detector (13).
6. propane according to claim 5 and air high temperature pre-mixing apparatus, which is characterized in that on the mixed gas tank (11)
It is provided with safety valve (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821450167.8U CN209034131U (en) | 2018-09-05 | 2018-09-05 | Propane and air high temperature pre-mixing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821450167.8U CN209034131U (en) | 2018-09-05 | 2018-09-05 | Propane and air high temperature pre-mixing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209034131U true CN209034131U (en) | 2019-06-28 |
Family
ID=67032407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821450167.8U Active CN209034131U (en) | 2018-09-05 | 2018-09-05 | Propane and air high temperature pre-mixing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209034131U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110639376A (en) * | 2019-09-10 | 2020-01-03 | 国营洛阳丹城无线电厂 | Method for mixing high-speed and high-pressure flowing air at different temperatures |
-
2018
- 2018-09-05 CN CN201821450167.8U patent/CN209034131U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110639376A (en) * | 2019-09-10 | 2020-01-03 | 国营洛阳丹城无线电厂 | Method for mixing high-speed and high-pressure flowing air at different temperatures |
| CN110639376B (en) * | 2019-09-10 | 2022-02-15 | 国营洛阳丹城无线电厂 | Method for mixing high-speed and high-pressure flowing air at different temperatures |
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